WR02X472_PTLJ
更新时间:2024-09-18 23:13:59
品牌:WALSIN
描述:Thick Film General purpose chip resistors Automotive AEC Q-200 compliant
WR02X472_PTLJ 概述
Thick Film General purpose chip resistors Automotive AEC Q-200 compliant
WR02X472_PTLJ 数据手册
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PDF下载Approval sheet
WR02X(W)_J
±5%, ±1%
Thick Film General purpose chip resistors
Automotive AEC Q-200 compliant
Size 0201
*Contents in this sheet are subject to change without prior notice.
Page 1 of 7
ASC_WR02X_J_AUTO_V01
May - 2014
Approval sheet
FEATURE
1. Automotive grade AEC Q-200 compliant with 100% CCD visual inspection
2. High reliability and stability
3. Reduced size of final equipment
4. Suitable for high density print circuit board assembly
5. Higher component and equipment reliability
6. Lead free product
APPLICATION
•
•
•
•
•
•
Automotive
Mobile phone
PDA
Camcorders
Palmtop computers
Hybrid module
DESCRIPTION
The resistors are constructed in a high grade ceramic body (aluminum oxide). Internal metal electrodes are
added at each end and connected by a resistive paste that is applied to the top surface of the substrate. The
composition of the paste is adjusted to give the approximate resistance required and the value is trimmed to
nominated value within tolerance which controlled by laser trimming of this resistive layer.
The resistive layer is covered with a protective coat. Finally, the two external end terminations are added. For
ease of soldering the outer layer of these end terminations is a pure Tin.
Fig 1. Construction of Chip-R WR02X
Page 2 of 7
ASC_WR02X_J_AUTO_V01
May - 2014
Approval sheet
QUICK REFERENCE DATA
Item
Series No.
General Specification
WR02X(W)_J
Size code
0201(0603)
Resistance Range
1Ω~10MΩ ( ±5% tolerance ), Jumper
1Ω~ 10MΩ ( ±1% tolerance )
Resistance Tolerance
±1%
±5%
E24
E96/E24
TCR (ppm/°C)
10Ω - 10MΩ, ≤±200ppm
4.02 - 9.76Ω, +350 ~ -100ppm
1 – 3.92Ω, +600 ~ -200ppm
Max. dissipation @ Tamb=70°C
Max. Operation Voltage
Max. Overload Voltage
Operation temperature
Note :
1/20 W
25V
50V
-55 ~ +125’C
1.
This is the maximum voltage that may be continuously supplied to the resistor element, see “IEC publication
60115-8”
2.
Max. Operation Voltage : So called RCWV (Rated Continuous Working Voltage) is determined by
or Max. RCWV listed above, whichever is lower.
RCWV = RatedPower×ResistanceValue
DIMENSION(unit : mm)
Protective coat
WR02X(W)
0.60 ± 0.03
0.30 ± 0.03
0.23 ± 0.03
0.15 ± 0.05
0.10 ± 0.05
T
L
W
T
End termination
Tb
Resistive layer
Tt
Ceramic Substrate
Tb
Tt
W
L
MARKING
WR02X(W) has no marking.
Page 3 of 7
ASC_WR02X_J_AUTO_V01
May - 2014
Approval sheet
FUNCTIONAL DESCRIPTION
Product characterization
Standard values of nominal resistance are taken from the E24/E96 series for resistors with a tolerance of ±5%
& ±1%. The values of the E24/E96 series are in accordance with “IEC publication 60063”
Derating
The power that the resistor can dissipate depends on the operating temperature; see Fig.2
Figure 2. Maximum dissipation in percentage of rated power
As a function of the ambient temperature
MOUNTING
Due to their rectangular shapes and small tolerances, Surface Mountable Resistors are suitable for handling by
automatic placement systems.
Chip placement can be on ceramic substrates and printed-circuit boards (PCBs).
Electrical connection to the circuit is by individual soldering condition.
The end terminations guarantee a reliable contact.
SOLDERING CONDITION
The robust construction of chip resistors allows them to
be completely immersed in a solder bath of 260°C for 10
seconds. Therefore, it is possible to mount Surface
Mount Resistors on one side of a PCB and other
discrete components on the reverse (mixed PCBs).
Surface Mount Resistors are tested for solderability at
235°C during 2 seconds. The test condition for no
leaching is 260°C for 30 seconds. Typical examples of
soldering processes that provide reliable joints without
any damage are given in Fig 3.
Fig 3. Infrared soldering profile for Chip Resistors WR02X(W)
Page 4 of 7
ASC_WR02X_J_AUTO_V01
May - 2014
Approval sheet
CATALOGUE NUMBERS
The resistors have a catalogue number starting with :
WR02
X
472_
J
A
L
J
Size code
Type code
Resistance code
Tolerance
J : ±5%
Packaging code
Termination code Special code
WR02 : 0201 X : Normal
W : 1% For
5%, E24: 2 significant
digits followed by
no. of zeros
A
: 7” Reeled
L
= Sn base (lead
J
= Automotive
grade & 100%
CCD visual
inspection
(15Kpcs/Reel)
free)
F : ±1%
T
: 7” Reeled
<10Ω / >1MΩ
P : Jumper
(10Kpcs/Reel)
100Ω = 101_
10KΩ = 103
D
: 7” Reeled
(20Kpcs/Reel)
1%, E24+E96: 3
significant digits
followed by no. of
zeros
G
: 13” Reeled
(70Kpcs/Reel)
100Ω =1000
37.4KΩ =3742
Page 5 of 7
ASC_WR02X_J_AUTO_V01
May - 2014
Approval sheet
TEST AND REQUIREMENTS (AEC Q-200 REV.D 2010)
REQUIREMENT
Resistor
TEST
PROCEDURE / TEST METHOD
0Ω
Within the specified tolerance
Refer to “QUICK
Electrical Characteristics
-
-
DC resistance values measurement
Temperature Coefficient of Resistance (T.C.R)
REFERENCE DATA”
Natural resistance change per change in degree
centigrade.
JISC5201-1: 1998
Clause 4.8
<50mΩ
R2 − R
×106 (ppm/°C) t1 : 20°C+5°C-1°C
1
R
(
t2 − t1
)
1
R1 : Resistance at reference temperature (20°C+5°C/-
1°C)
R2 : Resistance at test temperature (-55°C or +125°C)
Un-mounted chips completely immersed for 10±1second
in a SAC solder bath at 260℃±5ºC
Resistance to soldering
heat(R.S.H)
ΔR/R max. ±(1%+0.05Ω)
<50mΩ
no visible damage
AEC Q200-15
Solderability
AEC Q200-18
95% coverage min., good tinning and no
visible damage
a. 4hrs @ 155’C, 235’C , 5 secs
b. 8hrs steam, 235’C, 5secs
30 minutes at -55°C±3°C, 2~3 minutes at 20°C+5°C-1°C,
30 minutes at +125°C±3°C, 2~3 minutes at 20°C+5°C-
1°C, total 1000 continuous cycles
Temperature cycling
∆R/R max. ±(1%+0.05Ω)
∆R/R max. ±(5%+0.10Ω)
< 50mΩ
< 50mΩ
AEC Q200-4
1000 +48/-0 hours, in humidity chamber controller at +85
Bias Humidity
℃/85%RH, 10% rated power
AEC Q200-7
1000+48/-0 hours; 35% of operation power, 125±2°C
1000 hrs @ 125℃, un-powered
∆R/R max. ±(5%+0.10Ω)
∆R/R max. ±(5%+0.10Ω)
Operational Life
< 50mΩ
MIL-STD-202 method
108
High Temperature
Exposure
< 50mΩ
< 50mΩ
AEC Q200-3
Resistors mounted on a 90mm glass epoxy resin No visual damaged,
Bending strength
AEC Q200 -21
Terminal strength
AEC Q200-22
PCB(FR4), bending once 2mm for 60sec.
∆R/R max. ±(1%+0.05Ω)
No remarkable damage or removal of the
terminations
Pressurizing force: 3N, Test time: 10±1sec.
△R/R max≦±(1%+0.05Ω)
< 50mΩ
Vibration
5 g's for 20 min , 12 cycles each of 3 orientations
AEC Q200-14
and no visible damage
△R/R max≦±(1%+0.05Ω)
< 50mΩ
Mechanical Shock
Shock machine, half sine,
100G, 6msec, XX'YY'ZZ', 10times each
AEC Q200-13
and no visible damage
∆R/R max. ±(5%+0.10Ω)
ESD (HBM)
Human body model, 1.5 Kohm, 100 pF, 0.4KV
< 50mΩ
AEC Q200-002
Page 6 of 7
ASC_WR02X_J_AUTO_V01
May - 2014
Approval sheet
PACKAGING
Paper Tape specifications (unit :mm)
Series No.
WR02X
A
B
W
F
E
0.67±0.05
0.37±0.05
8.00±0.20
3.50±0.05
1.75±0.10
Series No.
WR02X
P1
P0
T
ΦD
+0.1
2.00±0.05
4.00±0.05
0.45±0.05
Φ1.50
−0.0
Reel dimensions
Symbol
A
B
C
D
7” Reel
13.0±0.2
13.0±0.2
9.0±0.5
9.0±0.5
Φ178.0±0.2
Φ330.0±2.0
Φ60.0±1.0
13” Reel
Φ100.0±1.0
Taping quantity and Tape material
-
-
Chip resistors 10,000 / 15,000 / 20,000 pcs 7” Reel, Paper tape.
Chip resistors 70,000 pcs 13” Reel, Paper tape.
Page 7 of 7
ASC_WR02X_J_AUTO_V01
May - 2014
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