Datasheet > WSR_15

WSR_15

更新时间： 2024-09-17 01:26:35

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
3页	84K
描述
Power Metal StripÂ® Resistors,Low Value (down to 0.001 ï), Surface Mount

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WSR_15 数据手册

WSR

Vishay Dale

www.vishay.com

Power Metal Strip^®Resistors,

Low Value (down to 0.001 ), Surface Mount

FEATURES

• Molded high temperature encapsulation

• Ideal for all types of current sensing, voltage

division and pulse applications including

switching and linear power supplies,

instruments, power amplifiers

• Proprietary processing technique produces

extremely low resistance values (down to

0.001 )

• All welded construction

• Solid metal nickel-chrome or manganese-

copper alloy resistive element with low TCR

(< 20 ppm/°C)

• Solderable terminations

• Very low inductance 0.5 nH to 5 nH

• Excellent frequency response to 50 MHz

• Low thermal EMF (< 3 μV/°C)

• AEC-Q200 qualified ⁽¹⁾

• Material categorization: For definitions of compliance

please see www.vishay.com/doc?99912

Notes

* Lead (Pb)-containing terminations are not RoHS-compliant.

Exemptions may apply.

⁽¹⁾Flame retardance test may not be applicable to some resistor

technologies.

STANDARD ELECTRICAL SPECIFICATIONS

RESISTANCE VALUE RANGE

POWER RATING

WEIGHT

(typical)

g/1000 pieces

GLOBAL

MODEL



SIZE

P_{70 °C}

Tol. 0.ꢀ ꢁ

0.005 to 1.0

0.005 to 0.2

Tol. 1.0 ꢁ

0.001 to 1.0

0.001 to 0.2

WSR2

WSR3

4527

2.0

3.0 ⁽²⁾

440

Notes

•

Part marking: DALE, model, value, tolerance, date code.

The WSR3 requires a minimum of 1050 sq. mil. circuit traces connecting to the recommended solder pad.

(2)

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

WSR2 AND WSR3 RESISTOR CHARACTERISTICS

75 for 0.010  to 1.0 ; 110 for 0.005  to 0.0099 ;

300 for 0.004  to 0.0049  450 for 0.003  to 0.0039 ;

ꢀ00 for 0.002  to 0.0029 ; 750 for 0.001  to 0.0019 

Temperature coefficient

ppm/°C

Element TCR

Dielectric withstanding voltage

Insulation resistance

ppm/°C

V_AC



< 20

> 500

> 10⁹

Operating temperature range

Maximum working voltage

°C

- ꢀ5 to + 275

(P x R)^1/2

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: WSR2ꢀL000FEA

ꢀ

GLOBAL MODEL

VALUE

TOLERANCE CODE

PACKAGING CODE

SPECIAL

WSR2

WSR3

L = m*

D = 0.5 ꢁ

F = 1.0 ꢁ

J = 5.0 ꢁ

EA = Lead (Pb)-free, tape/reel

EK = Lead (Pb)-free, bulk

(Dash number)

(Up to 2 digits)

From 1 to 99 as

applicable

R = Decimal

ꢀL000 = 0.005 

R0100 = 0.01 

TA = Tin/lead, tape/reel (R8ꢀ)

BA = Tin/lead, bulk (B43)

* Use “L” for resistance

values < 0.01 

Historical Part Numbering example: WSR2 0.00ꢀ  1 ꢁ EA

WSR2

0.00ꢀ 

1 ꢁ

HISTORICAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING CODE

Revision: 17-Jan-13

Document Number: 30101

For technical questions, contact: ww2bresistors@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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