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WSLT3921

型号：

WSLT3921

描述：

功率金属金光大道®电阻器，耐高温（ 275 ℃）低的值（低至0.001 Ω ） ，表面贴装[ Power Metal Strip® Resistors, High Temperature (275 °C) Low Value (down to 0.001 Ω), Surface Mount ]

品牌：

VISHAY[ VISHAY ]

页数：

3 页

PDF大小：

251 K

下载PDF手册
WSLT3921 and WSLT5931  
Vishay Dale  
Power Metal Strip® Resistors, High Temperature (275 °C)  
Low Value (down to 0.001 Ω), Surface Mount  
FEATURES  
• Ideal for all types of current sensing, voltage  
division and pulse applications including  
switching and linear power supplies, instruments  
and power amplifiers  
RoHS  
COMPLIANT  
• Proprietary processing technique produces extremely low  
resistance values, down to 0.001 Ω  
• Specially selceted and stabilized materials allow for high  
temperature derating (to + 275 °C)  
• All welded construction  
• Solid metal nickel-chrome alloy resistive element with low  
TCR (< 20 ppm/°C)  
• Very low inductance (< 5 ηH)  
• Excellent frequency response to 50 MHz  
• Low thermal EMF (< 3 µV/°C)  
STANDARD ELECTRICAL SPECIFICATIONS  
RESISTANCE VALUES  
AVAILABLE  
mΩ  
WEIGHT  
(typical)  
g/1000 pieces  
POWER RATING  
GLOBAL  
MODEL  
TOLERANCE  
%
P70 °C  
WSLT3921  
WSLT5931  
3.0  
5.0  
1.0 and 5.0  
1.0 and 5.0  
2, 3, 4  
1, 2, 3  
281  
398  
Note  
• Part Marking: no part marking on these parts  
TECHNICAL SPECIFICATIONS  
PARAMETER  
UNIT  
ppm/°C  
°C  
WSLT3921 AND WSLT5931  
Temperature Coefficient  
Operating Temperature Range  
Maximum Working Voltage  
75  
- 65 to + 275  
(P/R)1/2  
A
GLOBAL PART NUMBER INFORMATION  
GLOBAL PART NUMBERING: WSLT39212L000FEA  
W
S
L
T
3
9
2
1
2
L
0
0
0
F
E
A
GLOBAL MODEL  
RESISTANCE VALUE  
TOLERANCE CODE  
PACKAGING CODE  
SPECIAL  
WSLT3921  
WSLT5931  
L = mΩ  
2L000 = 0.002 Ω  
F = 1.0 %  
J = 5.0 %  
EA = Lead (Pb)-free, tape/reel  
EK = Lead (Pb)-free, bulk  
Reserved for  
future specials  
www.vishay.com  
18  
For technical questions, contact: ww2bresistors@vishay.com  
Document Number: 30136  
Revision: 03-Dec-07  
WSLT3921 and WSLT5931  
Power Metal Strip® Resistors, High Temperature (275 °C)  
Low Value (down to 0.001 Ω), Surface Mount  
Vishay Dale  
DIMENSIONS  
DIMENSIONS in inches [millimeters]  
MODEL  
L
W
H
T
H
0.394 0.010 0.205 0.010 0.020 0.080 0.010  
[10.0 0.254] [5.20 0.254] [0.5] [2.00 0.254]  
D
WSLT3921  
WSLT5931  
L
W
0.020  
0.591 0.010 0.305 0.010  
[15.0 0.254] [7.75 0.254]  
0.157 0.010  
[4.00 0.254]  
0.010  
[0.5]  
T
SOLDER PAD DIMENSIONS  
in inches [millimeters]  
MODEL  
I
d
b
L
b
0.106 0.010  
[2.70 0.254]  
0.244 0.010  
[6.20 0.254]  
0.220 0.005  
[5.60 0.13]  
d
WSLT3921  
WSLT5931  
0.205 0.010  
[5.20 0.254]  
0.344 0.010  
[8.75 0.254]  
0.220 0.005  
[5.60 0.13]  
120  
100  
80  
RESISTANCE  
VALUE  
GLOBAL  
MODEL  
“D”  
THICKNESS  
ELEMENT  
MATERIAL  
mΩ  
WSLT3921  
WSLT3921  
WSLT3921  
WSLT5931  
WSLT5931  
WSLT5931  
2.0  
3.0  
4.0  
1.0  
2.0  
3.0  
0.0270  
0.0170  
0.0130  
0.0330  
0.0155  
0.0105  
Fe-Cr  
Fe-Cr  
Fe-Cr  
Fe-Cr  
Fe-Cr  
Fe-Cr  
60  
40  
20  
0
- 65 - 25  
25  
75  
70  
125  
175  
225  
275  
Ambient Temperature in °C  
Derating  
PERFORMANCE  
TEST  
CONDITIONS OF TEST  
TEST LIMITS  
Thermal Shock  
- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme  
5 x rated power for 5 s  
(1.0 % + 0.0005 Ω) ΔR  
(0.5 % + 0.0005 Ω) ΔR  
(0.5 % + 0.0005 Ω) ΔR  
(1.0 % + 0.0005 Ω) ΔR  
(0.5 % + 0.0005 Ω) ΔR  
(0.5 % + 0.0005 Ω) ΔR  
(0.5 % + 0.0005 Ω) ΔR  
(1.0 % + 0.0005 Ω) ΔR  
(0.5 % + 0.0005 Ω) ΔR  
(0.5 % + 0.0005 Ω) ΔR  
Short Time Overload  
Low Temperature Storage  
- 65 °C for 45 min  
High Temperature Exposure  
Bias Humidity  
1000 h at + 275 °C  
+ 85 °C, 85 % RH, 10 % Bias, 1000 h  
100 g’s for 6 ms, 5 pulses  
Mechanical Shock  
Vibration  
Frequency varied 10 to 2000 Hz in 1 min, 3 directions, 12 h  
1000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF”  
260 °C Solder, 10 - 12 s dwell, 25 mm/s emergence  
MIL-STD-202, Method 106, 0 % power, 7a and 7b not required  
Load Life  
Resistance to Solder Heat  
Moisture Resistance  
PACKAGING  
REEL  
MODEL  
TAPE WIDTH  
DIAMETER  
330 mm/13"  
330 mm/13"  
PIECES/REEL  
CODE  
EA  
WSLT3921  
WSLT5931  
16 mm/embossed plastic  
16 mm/embossed plastic  
3000  
1500  
EA  
Note  
• Embossed carrier tape per EIA-481-2  
Document Number: 30136  
Revision: 03-Dec-07  
For technical questions, contact: ww2bresistors@vishay.com  
www.vishay.com  
19  
Legal Disclaimer Notice  
Vishay  
Disclaimer  
All product specifications and data are subject to change without notice.  
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf  
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein  
or in any other disclosure relating to any product.  
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any  
information provided herein to the maximum extent permitted by law. The product specifications do not expand or  
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed  
therein, which apply to these products.  
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this  
document or by any conduct of Vishay.  
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless  
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such  
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting  
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding  
products designed for such applications.  
Product names and markings noted herein may be trademarks of their respective owners.  
Document Number: 91000  
Revision: 18-Jul-08  
www.vishay.com  
1
厂商 型号 描述 页数 下载

VISHAY

 		WSL 功率金属金光大道®电阻，低的值（低至0.001 Ω ） ，表面贴装[ Power Metal Strip® Resistors, Low Value (down to 0.001 Ω), Surface Mount ] 3 页

VISHAY

 		WSL-1206.0182OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.0182 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

VISHAY

 		WSL-1206.0232OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.0232 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

VISHAY

 		WSL-1206.0255OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.0255 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

VISHAY

 		WSL-1206.0261OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.0261 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

VISHAY

 		WSL-1206.0267OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.0267 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

VISHAY

 		WSL-1206.028OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.028 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

VISHAY

 		WSL-1206.0309OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.0309 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

VISHAY

 		WSL-1206.0316OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.0316 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

VISHAY

 		WSL-1206.0392OHM+/-1% [ RESISTOR, CURRENT SENSE, METAL STRIP, 0.25 W, 1 %, 75 ppm, 0.0392 ohm, SURFACE MOUNT, 1206, CHIP ] 1 页

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