Datasheet > WSR3R0300FTB

WSR3R0300FTB

更新时间： 2025-09-17 18:56:47

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
3页	238K
描述
电阻阻值(Ω):30 mOhms;元器件封装:4527;电阻精度(%):±1%;额定功率(W):3W;温度系数(ppm/℃):±75ppm/°C;工作温度最小值(℃):-65°C;工作温度最大值(℃):275°C;

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WSR3R0300FTB 数据手册

WSR

Vishay Dale

Power Metal Strip^®Resistors,

Low Value (down to 0.001 Ω), Surface Mount

FEATURES

• Molded high temperature encapsulation

Pb-free

• 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 Ω)

Available

RoHS*

COMPLIANT

• 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)

• Lead (Pb)-free version is RoHS compliant

STANDARD ELECTRICAL SPECIFICATIONS

POWER RATING

RESISTANCE RANGE

GLOBAL

MODEL

SIZE

P_{70 °C}

2.0

3.0 ⁽¹⁾

0.ꢀ ꢁ

0.01 - 1.0

0.01 - 0.2

1.0 ꢁ

WSR2

WSR3

4527

0.001 - 1.0

0.001 - 0.2

Note

⁽¹⁾The WSR3 requires a minimum of 1050 sq. mil. circuit traces connecting to the recommended solder pad

• Part Marking: DALE, Model, Value, Tolerance, Date Code

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

WSR2 & WSR3

0.005 Ω - 0.0099 Ω = 110

0.010 Ω - 1.0 Ω = 75

Temperature Coefficient

ppm/°C

Dielectric Withstanding Voltage

Insulation Resistance

V_AC

> 500

> 10⁹

Operating Temperature Range

Maximum Working Voltage

Weight/1000 pieces (typical)

°C

- 65 to + 275

(P x R)^1/2

440

GLOBAL PART NUMBER INFORMATION

NEW GLOBAL PART NUMBERING: WSR2ꢀL000FTA (PREFERRED PART NUMBERING FORMAT)

ꢀ

GLOBAL MODEL

WSR2

VALUE

L = mΩ*

R = Decimal

ꢀL000 = 0.005 Ω

R0100 = 0.01 Ω

TOLERANCE

D = 0.5 %

F = 1.0 %

J = 5.0 %

PACKAGING

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

EK = Lead (Pb)-free, bulk

TA = Tin/lead, tape/reel (R86)

BA = Tin/Lead, bulk (B43)

SPECIAL

(Dash Number)

(up to 2 digits)

From 1 - 99 as

applicable

WSR3

* use “L” for resistance

values < 0.01 Ω

HISTORICAL PART NUMBER EXAMPLE: WSR2 0.00ꢀ Ω 1 % R86 (WILL CONTINUE TO BE ACCEPTED)

WSR2

0.00ꢀ Ω

1 %

R86

HISTORICAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING

* Pb containing terminations are not RoHS compliant, exemptions may apply

www.vishay.com

For technical questions, contact: ww2bresistors@vishay.com

Document Number: 30101

Revision: 26-Mar-07

12 3

中文翻译

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与WSR3R0300FTB相关器件

型号	品牌	获取价格	描述	数据表
WSR3R0300JTA	VISHAY	获取价格	电阻阻值(Ω):30 mOhms;元器件封装:4527;电阻精度(%):±5%;温度系数(
WSR3R0301FEK	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 75 ppm, 0.0301 ohm, SURFACE MOUNT, 4527, C
WSR3R0301FTA	VISHAY	获取价格	电阻阻值(Ω):30.1 mOhms;元器件封装:4527;电阻精度(%):±1%;额定功
WSR3R0310DTA	VISHAY	获取价格	Fixed Resistor, Metal Strip, 3W, 0.031ohm, 0.5% +/-Tol, -75,75ppm/Cel, 4627
WSR3R0310FBA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 75 ppm, 0.031 ohm, SURFACE MOUNT, 4527, CH
WSR3R0310FEK	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 75 ppm, 0.031 ohm, SURFACE MOUNT, 4527, CH
WSR3R0320FBA	VISHAY	获取价格	电阻阻值(Ω):32 mOhms;元器件封装:4527;电阻精度(%):±1%;温度系数(
WSR3R0320FEA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 75 ppm, 0.032 ohm, SURFACE MOUNT, 4527, CH
WSR3R0320FEK	VISHAY	获取价格	电阻阻值(Ω):32 mOhms;元器件封装:4527;电阻精度(%):±1%;额定功率(
WSR3R0320FTA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 75 ppm, 0.032 ohm, SURFACE MOUNT, 4527, CH

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