BZX85B47TA [TAK_CHEONG]
Zener Diode, 47V V(Z), 2%, 1.3W, Silicon, Unidirectional, DO-41, HERMETIC SEALED, GLASS, DO-204AL, 2 PIN;
| 型号： | BZX85B47TA |
| 厂家： | 
Tak Cheong Electronics (Holdings) Co.,Ltd |
| 描述： | Zener Diode, 47V V(Z), 2%, 1.3W, Silicon, Unidirectional, DO-41, HERMETIC SEALED, GLASS, DO-204AL, 2 PIN |
| 文件： | 总7页 (文件大小：846K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
Licensed by ON Semiconductor,
A trademark of semiconductor
TAK CHEONG
Components
Industries,
LLC
for
Zener Technology and Products.
1.3 Watt DO-41 Hermetically
Sealed Glass Zener Voltage
Regulators
Maximum Ratings
Rating
Symbol
Value
Units
Maximum Steady State Power Dissipation
W
PD
1.3
@TL≤50℃, Lead Length = 3/8”
8.67
mW/℃
Derate Above 50℃
Operating and Storage
Temperature Range
TJ, Tstg
-65 to +200
°C
Specification Features:
Zener Voltage Range = 3.3V to 100V
ESD Rating of Clas 3 (>6 KV) per Human Body Model
DO-41 Package (DO-204AL)
Double Slug Type Construction
Metallurgical Bonded Construction
Oxide Passivated Die
Cathode
Anode
Specification Features:
Case
Finish
: Double slug type, hermetically sealed glass
: All external surfaces are corrosion resistant and leads are readily solderable
Polarity : Cathode indicated by polarity band
Mounting: Any
L
85C
xxx
Maximum Lead Temperature for Soldering Purposes
230℃, 1/16” from the case for 10 seconds
L
= Logo
= Device Code
85Cxxx
Ordering Information
Device
BZX85Cxxx
Package
Axial Lead
Axial Lead
Axial Lead
Axial Lead
Axial Lead
Quantity
2000 Units / Box
BZX85CxxxRL
BZX85CxxxRL2*
BZX85CxxxTA
BZX85CxxxTA2*
6000 Units / Tape & Reel
6000 Units / Tape & Reel
4000 Units / Tape & Ammo
4000 Units / Tape & Ammo
* The “2” suffix refer to 26mm tape spacing.
Devices listed in bold italic are Tak Cheong Preferred
devices. Preferred devices are recommended choices
for future use and best overall value.
December 2005 / B
http://takcheong.com
1
BZX85C3V3 through BZX85C100 Series
ELECTRICAL CHARACTERISTICS (TA
= 25ºC unless
otherwise noted. VF = 1.2 V Max @ IF = 200mA for all types)
Symbol
VZ
Parameter
Reverse Zener Voltage @ IZT
Reverse Zener Current
IZT
ZZT
IZk
Maximum Zener Impedance @ IZT
Reverse Zener Current
ZZk
IR
Maximum Zener Impedance @ IZk
Reverse Leakage Current @ VR
Reverse Voltage
VR
IF
Forward Current
VF
Forward Voltage @ IF
Ir
Surge Current @ TA = 25ºC
ELECTRICAL CHARACTERISTICS (TA = 25ºC unless otherwise noted, VF = 1.2 V Max @ IF = 200mA for all types)
(Note 2 & 3.)
(Note 4.)
Zener Voltage
VZ (Volts)
Zener Impedance
Leakage Current
IR @ VR
Ir
@ IZT
ZZT @ IZT
ZZK @ IZK
(Note 5.)
Device
Device
Min
Nom
Max
(mA)
(mA)
(Volts)
(mA)
Marking
(Ω)
(Ω)
(µA Max)
(Note 1.)
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
3.1
3.4
3.7
4
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
3.5
3.8
4.1
4.6
5
80
60
60
50
45
45
45
35
35
35
25
25
25
20
20
20
15
15
13
13
10
7
400
500
500
500
600
500
400
300
300
200
200
200
200
300
350
1
1
60
30
5
1
1
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
1
1
1
3
1
4.4
4.8
5.2
5.8
6.4
7
1
3
1.5
2
5.4
6
1
1
1
1
2
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
4
1
1
3
3.5
3
1
1
4
0.5
0.5
0.5
0.5
0.5
0.5
1
4.5
5
7.7
8.5
9.4
10.4
11.4
5
1
5
1
6.5
7
7
0.5
0.5
0.5
BZX85C11
BZX85C11
11
8
7.7
8.4
BZX85C12
BZX85C12
12
9
1. TOLERANCE AND TYPE NUMBER DESIGNATION
Tolerance designation – the type numbers listed have zener voltage min/max limits as shown. Device tolerance of ±2% are
indicated by a “B” instead of a “C”.
2. SPECIALS AVAILABLE INCLUDE
Nominal zener voltages between the voltages shown and tighter voltage tolerances. For detailed information on price,
availability and delivery, contact your nearest Tak Cheong representative.
3. ZENER VOLTAGE (VZ) MEASUREMENT
VZ is measured after the test current has been applied to 40 ±10msec., while maintaining the lead temperature (TL) at 30°C
±1°C and 3/8” lead length.
4. ZENER IMPEDANCE (ZZ) DERIVATION
The zener impedance is derived from the 60 cycle AC voltage, which results when an AC current having an RMS value
equal to 10% of the DC zener current (IZT or IZK) is superimposed on IZT or IZK
.
5. SURGE CURRENT (Ir) NON-REPETITIVE
The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of ½ square
wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current IZT per JEDEC registration;
however, actual device capability is as described in figure 5 of the General Data DO-41 Glass.
http://www.takcheong.com
2
BZX85C3V3 through BZX85C100 Series
ELECTRICAL CHARACTERISTICS (TA = 25ºC unless otherwise noted, VF = 1.2 V Max @ IF = 200mA for all types)
(Note 7 & 8.)
(Note 9.)
Zener Voltage
VZ (Volts)
Zener Impedance
Leakage Current
IR @ VR
Ir
@ IZT
ZZT @ IZT
ZZK @ IZK
(Note 10.)
Device
Device
Min
Nom
Max
(mA)
(mA)
(Volts)
(mA)
Marking
(Ω)
(Ω)
(µA Max)
(Note 6.)
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56
BZX85C62
BZX85C68
BZX85C75
BZX85C82
BZX85C91
BZX85C100
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56
BZX85C62
BZX85C68
BZX85C75
BZX85C82
BZX85C91
BZX85C100
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
14.1
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32
20
15
15
15
10
10
10
8
10
15
400
500
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
9.1
10.5
11
344
304
285
250
225
205
190
170
150
135
125
115
110
95
15
500
0.5
20
500
0.5
12.5
14
24
600
0.5
25
600
0.5
15.5
17
25
600
0.5
30
750
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
19
8
30
1000
1000
1000
1000
1000
1500
1500
2000
2000
2000
2000
3000
3000
3000
21
31
35
8
35
23
34
38
8
40
25
37
41
6
45
27
40
46
6
50
30
44
50
4
90
33
48
54
4
115
120
125
130
150
200
250
350
36
90
52
60
4
39
80
58
66
4
43
70
64
72
4
47
65
70
80
4
51
60
77
87
2.7
2.7
2.7
56
55
85
96
62
50
96
106
68
45
6. TOLERANCE AND TYPE NUMBER DESIGNATION
Tolerance designation – the type numbers listed have zener voltage min/max limits as shown. Device tolerance of ±2% are
indicated by a “B” instead of a “C”.
7. SPECIALS AVAILABLE INCLUDE
Nominal zener voltages between the voltages shown and tighter voltage tolerances. For detailed information on price,
availability and delivery, contact your nearest Tak Cheong representative.
8. ZENER VOLTAGE (VZ) MEASUREMENT
VZ is measured after the test current has been applied to 40 ±10msec., while maintaining the lead temperature (TL) at 30°C
±1°C and 3/8” lead length.
9. ZENER IMPEDANCE (ZZ) DERIVATION
The zener impedance is derived from the 60 cycle AC voltage, which results when an AC current having an RMS value
equal to 10% of the DC zener current (IZT or IZK) is superimposed on IZT or IZK
.
10. SURGE CURRENT (Ir) NON-REPETITIVE
The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of ½ square
wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current IZT per JEDEC registration;
however, actual device capability is as described in figure 5 of the General Data DO-41 Glass.
http://www.takcheong.com
3
BZX85C3V3 through BZX85C100 Series
1.7
1.3
0.9
0.5
0.1
120
T , LEAD TEMPERATURE (°C)
0
60
80
160
20
40
100
140
180
200
L
Figure 1. Power Temperature Derating Curve
http://www.takcheong.com
4
BZX85C3V3 through BZX85C100 Series
a. Range for Units to 12 Volts
b. Range for Units to 12 to 100 Volts
100
+12
+10
+8
+6
+4
+2
0
70
50
30
20
RANGE
V
@ I
Z ZT
10
7
5
V
@ I
ZT
Z
RANGE
3
2
-2
1
-4
10
11
12
10
20
30
V , ZENER VOLTAGE (VOLTS)
Z
50
70
100
6
4
7
8
9
3
2
5
V
, ZENER VOLTAGE (VOLTS)
Z
Figure 2. Temperature Coefficients
(-55 °C to +150 °C temperature range; 90% of the units are in the ranges indicated.)
+6
175
150
V
@ I
Z
= 25 °C
Z
+4
+2
T
A
125
100
20 mA
75
50
0
0.01 mA
1 mA
-2
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS
NOTE: CHANGES IN ZENER CURRENT DO NOT
NOTE: EFFECT TEMPERATURE COEFFICIENTS
25
0
-4
4
7
8
3
0
0.1
0.2
0.3
0.4
0.5
0.60.7
0.8
0.9
1
6
5
V
, ZENER VOLTAGE (VOLTS)
Z
L, LEAD LENGTH TO HEAT SINK (INCHES)
Figure 3. Typical Thermal Resistance
versus Lead Length
Figure 4. Effect of Zener Current
100
70
50
RECT ANGULAR
WAVEFORM
11 V - 100 V NONREPETITIVE
3.3 V - 10 V NONREPETITIVE
T
= 25°C PRIOR TO
J
30
20
5% DUTY CYCLE
INITIAL PULSE
10
7
10% DUTY CYCLE
20% DUTY CYCLE
5
3
2
1
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
500
1000
PW, PULSE WIDTH (ms)
This graph represents 90 percentile data points.
For worst case design characteristics, multiply surge power by 2/3.
Figure 5. Maximum Surge Power
http://www.takcheong.com
5
BZX85C3V3 through BZX85C100 Series
1000
500
1000
700
500
T
i
= 25 °C
(rms) = 0.1 I (dc)
T
i
= 25 °C
J
J
Z
V
= 2.7 V
(rms) = 0.1 I (dc)
Z
Z
Z
Z
f = 60 Hz
f = 60 Hz
I
= 1 mA
Z
200
200
100
47 V
27 V
100
50
5 mA
70
50
20 mA
20
10
20
10
7
5
6.2 V
5
2
1
2
1
0.1
0.2
0.5
1
2
5
10
20
50 100
1
2
3
5
7
10
V , ZENER VOLTAGE (V)
Z
20
30
50 70 100
I
, ZENER CURRENT (mA)
Z
Figure 6. Effect of Zener Current
on Zener Impedance
Figure 7. Effect of Zener Voltage
on Zener Impedance
10000
7000
5000
400
300
200
100
50
TYPICAL LEAKAGE CURRENT
AT 80% OF NOMINAL
2000
1000
0 V BIAS
1 V BIAS
BREAKDOWN VOLTAGE
700
500
200
20
100
70
50
10
8
50% OF BREAKDOWN BIAS
20
10
4
1
2
5
10
20
50
100
7
5
V
, NOMINAL V (VOLTS)
Z
Z
Figure 9. Typical Capacitance versus VZ
2
1
0.7
0.5
1000
500
MINIMUM
MAXIMUM
+125 °C
0.2
200
100
50
0.1
0.07
0.05
0.02
0.01
0.007
0.005
20
10
75°C
+25°C
25°C
0°C
5
150°C
0.002
0.001
2
1
0.4
0.5
0.6
0.7
V , FORWARD VOLTAGE (VOLTS)
F
0.8
0.9
1
1.1
3
4
5
6
7
8
9
10
11
12
13
14
15
V
, NOMINAL ZENER VOLTAGE (VOLTS)
Z
Figure 8. Typical Leakage Current
Figure 10. Typical Forward Characteristics
http://www.takcheong.com
6
BZX85C3V3 through BZX85C100 Series
APPLICATION NOTE
Since the actual voltage available from a given zener
∆T is the increase in junction temperature above the lead
JL
diode is temperature dependent, it is necessary to determine
junction temperature under any set of operating conditions
in order to calculate its value. The following procedure is
recommended:
temperature and may be found as follows:
∆TJL = θJLPD.
θ
may be determined from Figure 3 for dc power
JL
conditions. For worst-case design, using expected limits of
I , limits of P and the extremes of T (∆T ) may be
Lead Temperature, T , should be determined from:
L
Z
D
J
J
TL = θLAPD + TA.
estimated. Changes in voltage, V , can then be found from:
Z
θ
is the lead-to-ambient thermal resistance (°C/W) and P
D
LA
∆V = θVZ ∆TJ.
is the power dissipation. The value for θ will vary and
LA
θ
, the zener voltage temperature coefficient, is found
VZ
depends on the device mounting method. θ is generally 30
LA
from Figure 2.
to 40°C/W for the various clips and tie points in common use
and for printed circuit board wiring.
Under high power-pulse operation, the zener voltage will
vary with time and may also be affected significantly by the
zener resistance. For best regulation, keep current
excursions as low as possible.
Surge limitations are given in Figure 5. They are lower
than would be expected by considering only junction
temperature, as current crowding effects cause temperatures
to be extremely high in small spots, resulting in device
degradation should the limits of Figure 5 be exceeded.
The temperature of the lead can also be measured using a
thermocouple placed on the lead as close as possible to the
tie point. The thermal mass connected to the tie point is
normally large enough so that it will not significantly
respond to heat surges generated in the diode as a result of
pulsed operation once steady-state conditions are achieved.
Using the measured value of T , the junction temperature
L
may be determined by:
TJ = TL + ∆TJL
.
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7
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