AC01 [NXP]
Cemented wirewound resistors; 水泥线绕电阻器
| 型号： | AC01 |
| 厂家： | 
NXP |
| 描述： | Cemented wirewound resistors |
| 文件： | 总24页 (文件大小：402K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
BCcomponents
DATA SHEET
AC0 1/0 3 /0 4 /0 5 /0 7 /10 /15 /2 0
Ce m e nt e d wire wou nd re s is t ors
Product specification
2000 Oct 20
Supersedes data of 17th November 1998
File under BCcomponents, BC08
BCcomponents
Product specification
Ce m e n t e d w ir e w o u n d r e s is t o r s AC0 1/0 3 /0 4 /0 5 /0 7 /10 /15 /2 0
FEATURES
DESCRIPTION
The resistor is coated with a green
silicon cement which is not resistant to
aggressive fluxes. The coating is
non-flammable, will not drip even at
high overloads and is resistant to most
commonly used cleaning solvents, in
accordance with “MIL-STD-202E,
method 215” and “IEC 60068-2-45”.
• High power dissipation in
small volume
The resistor element is a resistive wire
which is wound in a single layer on a
ceramic rod. Metal caps are pressed
over the ends of the rod.
The ends of the resistance wire and the
leads are connected to the caps by
welding. Tinned copper-clad iron
leads with poor heat conductivity are
employed permitting the use of
relatively short leads to obtain stable
mounting without overheating the
solder joint.
• High pulse load handling
capabilities.
APPLICATIONS
• Ballast switching
• Shunt in small electric motors
• Power supplies.
QUICK REFERENCE DATA
VALUE
AC05 AC07
0.1 Ω 0.68 Ω 0.82 Ω 1.2 Ω
to to to to
DESCRIPTION
AC01
AC03
AC04
AC10
AC15
AC20
Resistance range
0.1 Ω
to
0.1 Ω
to
0.1 Ω
to
0.1 Ω
to
2.4 kΩ 5.1 kΩ 6.8 kΩ 10 kΩ 15 kΩ 27 kΩ 39 kΩ 56 kΩ
Resistance tolerance
±5%; E24 series
350 °C
Maximum permissible body temperature
Rated dissipation at Tamb = 40 °C
Rated dissipation at Tamb = 70 °C
Climatic category (IEC 60 068)
Basic specification
1 W
3 W
4 W
5 W
7 W
10 W
15 W
20 W
0.9 W 2.5 W 3.5 W 4.7 W 5.8 W 8.4 W 12.5 W 16 W
40/200/56
IEC 60115-1
Stability after:
load, 1000 hours
∆R/R max.: ±5% + 0.1 Ω
∆R/R max.: ±1% + 0.05 Ω
∆R/R max.: ±2% + 0.1 Ω
climatic tests
short time overload
2000 Oct 20
2
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
ORDERING INFORMATION
Table 1 Ordering code indicating resistor type and packaging
ORDERING CODE 23.. ... .....
LOOSE IN BOX
STRAIGHT LEADS
100 units
BANDOLIER IN AMMOPACK
STRAIGHT LEADS
TY PE
RADIAL
2 500 units
500 units
1 000 units
AC01
−
06 328 90...(2)
−
06 328 33...
AC03(1)
AC04(1)
AC05(1)
AC07(1)
AC10
−
−
−
−
−
−
−
−
22 329 03...
22 329 04...
22 329 05...
22 329 07...
22 329 10...
−
−
−
−
−
−
−
−
−
−
−
−
AC15
22 329 15...
22 329 20...
AC20
−
Notes
1. Products with bent leads and loose in box, are available on request.
2. Last 3 digits available on request.
Ordering code (12NC)
Table 2 Last digit of 12NC
ORDERING EXAMPLE
• The resistors have a 12-digit
ordering code starting with 23
The ordering code of an AC01 resistor,
value 47 Ω, supplied in ammopack of
1000 units is: 2306 328 33479.
RESISTANCE
DECADE
LAST DIGIT
• The subsequent 7 digits indicate the
resistor type and packaging;
see Table 1.
0.1 to 0.91 Ω
1 to 9.1 Ω
7
8
9
1
2
3
Product specifications deviating
from the standard values are available
on request.
10 to 91 Ω
• The remaining 3 digits indicate the
resistance value:
100 to 910 Ω
1 to 9.1 kΩ
10 to 56 kΩ
–
–
The first 2 digits indicate the
resistance value.
The last digit indicates the
resistance decade in accordance
with Table 2.
2000 Oct 20
3
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
FUNCTIONAL DESCRIPTION
Product characterization
Standard values of nominal resistance are taken from the E24 series for resistors with a tolerance of ±5%.
The values of the E24 series are in accordance with “IEC publication 60063”.
Limiting values
LIMITING POWER
(1)
LIMITING VOLTAGE
(W)
TYP E
(V)
Tamb = 40 °C
Tamb = 70 °C
AC01
AC03
AC04
AC05
AC07
AC10
AC15
AC20
1
3
0.9
2.5
4
3.5
5
4.7
V =
Pn × R
7
5.8
10
15
20
8.4
12.5
16.0
Note
1. The maximum voltage that may be continuously applied to the resistor element, see “IEC publication 60266”.
The maximum permissible hot-spot temperature is 350 °C.
DERATING
The power that the resistor can dissipate depends on the operating temperature; see Fig.1.
100
90
MRA574
P
max
(%)
50
0
o
40
0
40
70
200
T
( C)
amb
Fig.1 Maximum dissipation (Pmax) as a function of the ambient temperature (Tamb).
2000 Oct 20
4
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
PULSE LOADING CAPABILITIES
How to generate the maximum allowed pulse-load from the graphs composed for wirewound resistors of the AC-types.
Single pulse condition; see Fig.3
Repetitive pulse condition; see Fig.2
1. If the applied pulse energy in Joules or Wattseconds is
known and also the R-value to be used in the
With these graphs we can determine the allowed
pulse-energy in Watts depending on the impulse- time ti and
the repetition time tp of the pulses. The parameter is the
Resistance Value. If the pulse shape is known (impulse-time
ti and repetition time tp), draw a line vertically from the
X-axis at the mentioned ti to the line of the involved R-value.
From the intersection the horizontal line to the Y- axis
indicates the maximum allowed pulse-load at a certain tp/ti.
If the vertical line from the X-axis crosses the applied tp/ti
before reaching the R-line, this tp/ti line gives the maximum
allowed pulse-energy at the Y-axis. If the applied
application; take the R-value on the X-axis and go
vertically to the curved line. From this point go
horizontally to the Y-axis, this point gives the maimum
allowed pulse energy in Joules/ohm or Wattsec./ohm.
By multiplying this figure with -value in use gives the
maximum allowed pulse-energy in Joules or Wattsec. If
this figure is higher than the applied pulse-energy the
application is allowed. Otherwise take one of the other
graphs belonging to AC-types with higher Pn.
2. If, contrary to the information above, the applied
peak-voltage and impulse times ti are known. Calculate
the pulse-energy (Ep) in Joules or Wattsec. by the use of
the following formula:
pulse-energy is known (in Watts) and the impulse-time ti
also, draw a line horizontally from the Y-axis to the crossing
with the pulse-line (ti) and find the possible R-value needed
in this application. The horizontal tp/ti lines give the
maximum allowed pulse-load till they reach the R-line, that
point indicates the maximum allowed impulse-time ti at the
horizontal axis.
Vp2
---------
Ep =
× ti (Vp = peak voltage; ti = impulse-time)
R
By dividing this result with the Rn-value of the R in use,
gives the value Wattsec./ohm on the Y-axis. Draw a line
horizontally to the curved line and at the intersection
the vertical line to the X-axis gives the maximum
allowed Rn-value to be used in the application. If this
Rn-value is higher than the R-value to be used in the
application, the application is allowed. If not, take one
of the other graphs belonging to AC-types with higher Pn
or change the Rn-value to be used.
2000 Oct 20
5
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB370
4
10
ˆ
P
max
(W)
3
tp/ti = 1000
10
tp/ti = 200
tp/ti = 50
2
10
10
tp/ti = 10
tp/ti = 2
0.1 Ω
1 Ω
10 Ω
100 Ω
2 kΩ
1
−1
10
−4
−3
−2
−1
10
10
10
10
1
t
(s)
i
AC01
ˆ
Fig.2 Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as
a function of pulse duration (ti).
CCB371
2
10
pulse
energy
(Ws/Ω)
10
1
−1
10
−2
10
−3
−4
10
10
−1
2
3
4
10
1
10
10
10
10
R
(Ω)
n
AC01
Fig.3 Pulse capability; Ws as a function of Rn.
2000 Oct 20
6
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB372
1500
ˆ
V
max
(V)
1000
500
0
10
−6
−5
−4
−3
−2
−1
10
10
10
10
10
1
t
(s)
i
AC01
ˆ
Fig.4 Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as
a function of pulse duration (ti).
CCB373
4
3
2
10
ˆ
P
max
tp/ti = 1000
(W)
10
tp/ti = 200
tp/ti = 50
10
tp/ti = 10
tp/ti = 2
0.1 Ω
10
1 Ω
10 Ω
110 Ω
4.7 kΩ
1
−1
10
−4
−3
−2
−1
10
10
10
10
1
t
(s)
i
AC03
ˆ
Fig.5 Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as
a function of pulse duration (ti).
2000 Oct 20
7
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB374
3
10
pulse
energy
(Ws/Ω)
2
10
10
1
−1
10
−2
10
−3
10
−4
10
−1
2
3
4
10
1
10
10
10
10
R
(Ω)
n
AC03
Fig.6 Pulse capability; Ws as a function of Rn.
CCB375
2000
ˆ
V
max
(V)
1500
1000
500
0
10
−6
−5
−4
−3
−2
−1
10
10
10
10
10
1
t
(s)
i
AC03
ˆ
Fig.7 Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as
a function of pulse duration (ti).
2000 Oct 20
8
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB376
4
10
tp/ti = 1000
ˆ
P
max
(W)
3
10
tp/ti = 200
tp/ti = 50
2
10
tp/ti = 10
tp/ti = 2
0.1 Ω
1 Ω
10
10 Ω
100 Ω
6.8 kΩ
1
−1
10
−4
−3
−2
−1
10
10
10
10
1
t
(s)
i
AC04
ˆ
Fig.8 Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as
a function of pulse duration (ti).
CCB377
3
2
10
pulse
energy
(Ws/Ω)
10
10
1
−1
10
−2
−3
10
10
−4
10
−1
2
3
4
10
1
10
10
10
10
R
(Ω)
n
AC04
Fig.9 Pulse capability; Ws as a function of Rn.
2000 Oct 20
9
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB378
2500
ˆ
V
max
(V)
2000
1500
1000
500
0
10
−6
−5
−4
−3
−2
−1
10
10
10
10
10
1
t
(s)
i
AC04
ˆ
Fig.10 Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as
a function of pulse duration (ti).
CCB379
4
3
2
10
tp/ti = 1000
ˆ
P
max
(W)
tp/ti = 200
tp/ti = 50
10
10
tp/ti = 10
tp/ti = 2
0.1 Ω
1.1 Ω
11 Ω
100 Ω
8.2 kΩ
10
1
−1
10
−4
−3
−2
−1
10
10
10
10
1
t
(s)
i
AC05
ˆ
Fig.11 Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as
a function of pulse duration (ti).
2000 Oct 20
10
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB380
3
10
pulse
energy
(Ws/Ω)
2
10
10
1
−1
10
−2
10
−3
10
−4
10
−1
2
3
4
10
1
10
10
10
10
R
(Ω)
n
AC05
Fig.12 Pulse capability; Ws as a function of Rn.
CCB381
2500
ˆ
V
max
(V)
2000
1500
1000
500
0
10
−6
−5
−4
−3
−2
−1
10
10
10
10
10
1
t
(s)
i
AC05
ˆ
Fig.13 Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as
a function of pulse duration (ti).
2000 Oct 20
11
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB382
4
10
tp/ti = 1000
P
max
(W)
tp/ti = 200
tp/ti = 50
3
10
2
10
tp/ti = 10
tp/ti = 2
0.1 Ω
1 Ω
11 Ω
100 Ω
15 kΩ
10
1
−4
−3
−2
−1
10
10
10
10
1
t
(s)
i
AC07
ˆ
Fig.14 Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as
a function of pulse duration (ti).
CCB383
3
10
pulse
energy
(Ws/Ω)
2
10
10
1
−1
10
−2
−3
10
10
−4
10
−1
2
3
4
5
10
1
10
10
10
10
10
R
(Ω)
n
AC07
Fig.15 Pulse capability; Ws as a function of Rn.
12
2000 Oct 20
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB384
5000
ˆ
V
max
(V)
4000
3000
2000
1000
0
10
−6
−5
−4
−3
−2
−1
10
10
10
10
10
1
t
(s)
i
AC07
ˆ
Fig.16 Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as
a function of pulse duration (ti).
CCB385
5
4
10
ˆ
P
max
(W)
tp/ti = 1000
10
tp/ti = 200
tp/ti = 50
3
2
10
tp/ti = 10
tp/ti = 2
10
0.22 Ω
2.2 Ω
33 Ω
240 Ω
15 kΩ
10
1
−4
−3
−2
−1
10
10
10
10
1
t
(s)
i
AC10
ˆ
Fig.17 Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as
a function of pulse duration (ti).
2000 Oct 20
13
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB386
3
10
pulse
energy
(Ws/Ω)
2
10
10
1
−1
10
−2
10
−3
10
−4
10
−1
2
3
4
5
10
1
10
10
10
10
10
R
(Ω)
n
AC10
Fig.18 Pulse capability; Ws as a function of Rn.
CCB387
5000
ˆ
V
max
(V)
4000
3000
2000
1000
0
10
−6
−5
−4
−3
−2
−1
10
10
10
10
10
1
t
(s)
i
AC10
ˆ
Fig.19 Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as
a function of pulse duration (ti).
2000 Oct 20
14
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB388
5
10
ˆ
P
max
(W)
tp/ti = 1000
4
10
tp/ti = 200
tp/ti = 50
3
10
10
tp/ti = 10
tp/ti = 2
0.33 Ω
2
4.3 Ω
33 Ω
330 Ω
39 kΩ
10
1
−4
−3
−2
−1
10
10
10
10
1
t
(s)
i
AC15
ˆ
Fig.20 Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as
a function of pulse duration (ti).
CCB389
3
2
10
pulse
energy
(Ws/Ω)
10
10
1
−1
10
−2
−3
10
10
−4
10
−1
2
3
4
5
10
1
10
10
10
10
10
R
(Ω)
n
AC15
Fig.21 Pulse capability; Ws as a function of Rn.
15
2000 Oct 20
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB390
7000
ˆ
V
max
(V)
6000
5000
4000
3000
2000
1000
0
10
−6
−5
−4
−3
−2
−1
10
10
10
10
10
1
t
(s)
i
AC15
ˆ
Fig.22 Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as
a function of pulse duration (ti).
CCB391
5
4
10
ˆ
P
max
(W)
tp/ti = 1000
10
tp/ti = 200
tp/ti = 50
3
2
10
tp/ti = 10
tp/ti = 2
0.47 Ω
10
5.1 Ω
47 Ω
470 Ω
56 kΩ
10
1
−4
−3
−2
−1
10
10
10
10
1
t
(s)
i
AC20
ˆ
Fig.23 Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as
a function of pulse duration (ti).
2000 Oct 20
16
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
CCB392
3
10
pulse
energy
(Ws/Ω)
2
10
10
1
−1
10
−2
10
−3
10
−4
10
−1
2
3
4
5
10
1
10
10
10
10
10
R
(Ω)
n
AC20
Fig.24 Pulse capability; Ws as a function of Rn.
CCB393
10000
ˆ
V
max
(V)
8000
6000
4000
2000
0
10
−6
−5
−4
−3
−2
−1
10
10
10
10
10
1
t
(s)
i
AC20
ˆ
Fig.25 Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as
a function of pulse duration (ti).
2000 Oct 20
17
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
Application information
MGB730
350
∆T at
hot spot
(K)
300
AC04
AC05
AC07
AC15
AC03
AC10
AC20
250
200
150
100
50
0
AC01
0
4
8
12
16
20
24
P (W)
Fig.26 Temperature rise of the resistor body as a function of the dissipation.
MRA573
MGB731
25
25
lead
length
(mm)
lead
length
(mm)
∆T = 40 K
50 K 60 K
20
15
10
20
∆T = 10 K
20 K
30 K
70 K
80 K
15
10
0
0.2
0.4
0.6
0.8
1.0
0
1
2
3
P (W)
P (W)
AC01
AC03
Fig.27 Lead length as a function of the dissipation
with the temperature rise at the end of the
lead (soldering spot) as a parameter.
Fig.28 Lead length as a function of the dissipation
with the temperature rise at the end of the
lead (soldering spot) as a parameter.
2000 Oct 20
18
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
MGB732
MGB733
25
25
50 K 60 K
50 K
60 K
70 K
∆T = 40 K
∆T = 40 K
lead
length
(mm)
lead
length
(mm)
80 K
20
20
70 K
90 K
15
10
15
10
80 K
100 K
0
1
2
3
4
0
1
2
3
4
5
P (W)
P (W)
AC04
AC05
Fig.29 Lead length as a function of the dissipation
with the temperature rise at the end of the
lead (soldering spot) as a parameter.
Fig.30 Lead length as a function of the dissipation
with the temperature rise at the end of the
lead (soldering spot) as a parameter.
MGB734
MGB735
25
25
∆T = 40 K
50 K
lead
length
(mm)
∆T = 40 K
50 K 60 K
70 K
lead
length
(mm)
60 K
70 K
80 K
80 K
20
20
90 K
15
10
15
10
0
2
4
6
8
0
5
10
15
20
P (W)
P (W)
AC07
AC10
Fig.31 Lead length as a function of the dissipation
with the temperature rise at the end of the
lead (soldering spot) as a parameter.
Fig.32 Lead length as a function of the dissipation
with the temperature rise at the end of the
lead (soldering spot) as a parameter.
2000 Oct 20
19
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
MGB737
MGB736
25
25
lead
length
(mm)
lead
length
(mm)
50 K 60 K 70 K
∆T = 40 K
∆T = 40 K
50 K
60 K 70 K
20
20
15
10
15
10
0
5
10
15
20
0
5
10
15
20
P (W)
P (W)
AC15
AC20
Fig.33 Lead length as a function of the dissipation
with the temperature rise at the end of the
lead (soldering spot) as a parameter.
Fig.34 Lead length as a function of the dissipation
with the temperature rise at the end of the
lead (soldering spot) as a parameter.
MOUNTING
The resistor is suitable for processing on cutting and bending machines. Ensure that the temperature rise of the resistor
body does not affect nearby components or materials by conducted or convected heat. Figure 26 shows the hot-spot
temperature rise of the resistor body as a function of dissipated power. Figures 27 to 34 show the lead length as a function
of dissipated power and temperature rise.
2000 Oct 20
20
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
MECHANICAL DATA
Mass per 100 units
Outlines
Table 3 Resistor type and relevant physical dimensions; see Figs 35 and 36
D
L
S
B
MASS
(g)
d
b
h
P
TYPE
TY PE MAX. MAX.
(mm) (mm)
MAX. MAX.
(mm) (mm)
(mm)
(mm) (mm) (mm)
AC01
AC03
AC04
AC05
AC07
AC10
AC15
AC20
55
AC01
AC03
AC04
AC05
AC07
AC10
AC15
AC20
4.3
5.5
5.7
7.5
7.5
8
10
13
17
17
25
44
51
67
−
−
−
−
−
110
140
10e
220
1.3
8
2
1.2
300
0.8 ±0.03
13e
−
530
−
−
−
−
−
−
−
−
−
−
−
−
840
10
10
−
1090
−
Marking
The resistor is marked with the
nominal resistance value, the
tolerance on the resistance and the
rated dissipation at Tamb = 40 °C.
L
For values up to 910 Ω, the R is used as
the decimal point.
O D
Od
For values of 1 kΩ and upwards, the
letter K is used as the decimal point for
the kΩ indication.
MRA571
For dimensions see Table 3.
Fig.35 Type with straight leads.
O D
P
0.5
2
h
0
L
1
0
O d
5
2 min
O B
0.1
MLB677
P
4
b
0
P
S
MLB676
Dimensions in mm.
For dimensions see Table 3.
Available on request for types: AC03, AC04, AC05 and AC07.
Fig.36 Type with cropped and formed leads.
2000 Oct 20
21
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
P
1 ±0.5
P1 ±0.5
D
h + 2
L
max
+1
0
4.5
(1)
b1
b2
d
S
B ±0.07
JW29
P
2 ±3
Dimensions in mm.
For dimensions see Table 4.
0.8 to 1.4.
Fig.37 Type with double kink.
Table 4 Resistor type and relevant physical dimensions; see Fig.37
L
MAX.
(mm)
S
D
(mm)
b1
(mm)
b2
(mm)
h
P1
(mm)
P2
(mm)
B
(mm)
TYPE
LEAD STYLE
MAX.
(mm)
(mm)
AC03
AC04
AC05
double kink
large pitch
0.8 ±0.03
0.8 ±0.03
10
1.30
1.65
8
8
25.4
22.0
25.4
20.0
2
1.0
+0.25/-0.20 +0.25/-0.20
AC03
AC04
AC05
double kink
small pitch
10
1.30
2.15
2
1.0
+0.25/-0.20 +0.25/-0.20
2000 Oct 20
22
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
TESTS AND REQUIREMENTS
In Table 5 the tests and requirements are listed with
reference to the relevant clauses of
“IEC publications 60115-1, 115-4 and 68” ; a short
description of the test procedure is also given. In some
instances deviations from the IEC recommendations were
necessary for our method of specifying.
Essentially all tests are carried out in accordance with the
schedule of “IEC publications 60115-1 and 60115-4”,
category 40/200/56 (rated temperature range −40 °C to
+200 °C; damp heat, long term, 56 days). The testing also
covers the requirements specified by EIA and EIAJ.
All soldering tests are performed with mildly activated flux.
The tests are carried out in accordance with IEC publication
60 068, “Recommended basic climatic and mechanical
robustness testing procedure for electronic components”
and under standard atmospheric conditions according to
“IEC 60 068-1”, subclause 5.3.
Table 5 Test procedures and requirements
IEC
IEC
60068
TEST
METHOD
60115-1
CLAUSE
TEST
PROCEDURE
REQUIREMENTS
Tests in accordance with the schedule of IEC publication 60115-1
4.15
robustness of
resistor body
load 200 ±10 N
no visible damage
∆R/R max.: ±0.5% + 0.05 Ω
load
R = 6 mm
MBB179
4.16
U
robustness of
terminations:
Ua
Ub
tensile all samples load 10 N; 10 s
bending half
load 5 N 90°, 180°, 90°
number of samples
Uc
torsion other half of 2 × 180° in opposite directions
no visible damage
samples
∆R/R max.: ±0.5% + 0.05 Ω
4.17
4.18
Ta
solderability
2 s; 235 °C; flux 600
good tinning; no damage
Tb
resistance to soldering thermal shock: 3 s; 350 °C;
∆R/R max.: ±0.5% + 0.05 Ω
heat
2.5 mm from body
4.19
4.22
14 (Na)
Fc
rapid change of
temperature
30 minutes at −40 °C and
30 minutes at +200 °C; 5 cycles
no visible damage
∆R/R max.: ±1% + 0.05 Ω
vibration
frequency 10 to 500 Hz; displacement
0.75 mm or acceleration 10 g;
no damage
∆R/R max.: ±0.5% + 0.05 Ω
3 directions; total 6 hours (3 × 2 hours)
4.20
Eb
bump
4000 ±10 bumps; 390 m/s2
no damage
∆R/R max.: ±0.5% + 0.05 Ω
2000 Oct 20
23
BCcomponents
Product specification
Ce m e nt e d wire wound re s is t ors
AC0 1/0 3 /0 4 /0 5 /0 7/10 /15 /2 0
IEC
IEC
60068
TEST
METHOD
60115-1
CLAUSE
TEST
PROCEDURE
REQUIREMENTS
4.23
climatic sequence:
dry heat
4.23.2
4.23.3
Ba
16 hours; 200 °C
Db
damp heat
24 hours; 55 °C; 95 to 100% RH
(accelerated)
1
st cycle
4.23.4
4.23.5
4.23.6
Aa
M
cold
2 hours; −40 °C
low air pressure
1 hour; 8.5 kPa; 15 to 35 °C
5 days; 55 °C; 95 to 100% RH
Db
damp heat
∆R/R max.: ±1% + 0.05 Ω
(accelerated)
remaining cycles
4.24.2
3 (Ca)
damp heat
(steady state)
56 days; 40 °C; 90 to 95% RH;
dissipation ≤0.01 Pn
no visible damage
∆R/R max.: ±1% + 0.05 Ω
4.8.4.2
temperature
coefficient
at 20/−40/20 °C, 20/200/20 °C:
R < 10 Ω
TC ≤ ±600 × 10−6/K
R ≥ 10 Ω
−80 × 10−6 ≤ TC
TC ≤ +140 × 10−6/K
temperature rise
horizontally mounted, loaded with Pn
hot-spot temperature less
than maximum body
temperature
4.13
short time overload
room temperature; dissipation 10 × Pn;
5 s (voltage not more than
1000 V/25 mm)
∆R/R max.: ±2% + 0.1 Ω
4.25.1
4.25.1
4.23.2
endurance (at 40 °C) 1000 hours loaded with Pn;
no visible damage
∆R/R max.: ±5% + 0.1 Ω
1.5 hours on and 0.5 hours off
endurance (at 70 °C) 1000 hours loaded with 0.9Pn;
no visible damage
∆R/R max.: ±5% + 0.1 Ω
1.5 hours on and 0.5 hours off
27 (Ba)
endurance at upper
category temperature
1000 hours; 200 °C; no load
no visible damage
∆R/R max.: ±5% + 0.1 Ω
Other tests in accordance with IEC 60115 clauses and IEC 60 068 test method
4.29
4.18
4.17
45 (Xa)
20 (Tb)
20 (Tb)
component solvent
resistance
70% 1.1.2 trichlorotrifluoroethane and
30% isopropyl alcohol; H20
no visible damage
resistance to soldering 10 s; 260 ±5 °C; flux 600
heat
∆R/R max.: ±0.5% + 0.05 Ω
solderability
(after ageing)
16 hours steam or 16 hours at 155 °C;
2 ±0.5 s in solder at 235 ±5 °C;
good tinning (≥95%
covered); no damage
flux 600
4.5
tolerance on
resistance
applied voltage (±10%):
R < 10 Ω: 0.1 V
R − Rnom: ±5% max.
10 Ω ≤ R < 100 Ω: 0.3 V
100 Ω ≤ R < 1 kΩ: 1 V
1 kΩ ≤ R < 10 kΩ: 3 V
10 kΩ ≤ R ≤ 33 kΩ: 10 V
2000 Oct 20
24
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