WSLT5931LFEK [VISHAY]

Power Metal Strip® Resistors, High Temperature (275 °C) Low Value (down to 0.001 Ω), Surface Mount; 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


型号：	WSLT5931LFEK
厂家：	VISHAY
描述：	Power Metal Strip® Resistors, High Temperature (275 °C) Low Value (down to 0.001 Ω), Surface Mount 功率金属金光大道®电阻器，耐高温（ 275 ℃）低的值（低至0.001 Ω ），表面贴装电阻器
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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

P_{70 °C}

WSLT3921

WSLT5931

3.0

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

- 65 to + 275

(P/R)^1/2

GLOBAL PART NUMBER INFORMATION

GLOBAL PART NUMBERING: WSLT39212L000FEA

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

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

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]

WSLT3921

WSLT5931

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]

SOLDER PAD DIMENSIONS

in inches [millimeters]

MODEL

0.106 0.010

[2.70 0.254]

0.244 0.010

[6.20 0.254]

0.220 0.005

[5.60 0.13]

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

RESISTANCE

VALUE

GLOBAL

MODEL

“D”

THICKNESS

ELEMENT

MATERIAL

mΩ

WSLT3921

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

- 65 - 25

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

(1.0 % + 0.0005 Ω) ΔR

(0.5 % + 0.0005 Ω) ΔR

(1.0 % + 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"

PIECES/REEL

CODE

WSLT3921

WSLT5931

16 mm/embossed plastic

3000

1500

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

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

WSLT5931LFEK [VISHAY]

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