Datasheet > WSR21L250FEA

WSR21L250FEA

更新时间： 2024-09-16 20:47:27

品牌	Logo	应用领域
威世 - VISHAY		电阻器
页数	文件大小	规格书
3页	94K
描述
RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00125 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT

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WSR21L250FEA 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	, 4527
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8533.21.00.30	风险等级：	5.75
JESD-609代码：	e2	安装特点：	SURFACE MOUNT
端子数量：	2	最高工作温度：	275 °C
最低工作温度：	-65 °C	封装形状：	RECTANGULAR PACKAGE
包装方法：	TR, EMBOSSED PLASTIC, 13 INCH	额定功率耗散 (P)：	2 W
额定温度：	70 °C	电阻：	0.00125 Ω
电阻器类型：	FIXED RESISTOR	尺寸代码：	4527
表面贴装：	YES	技术：	METAL STRIP
端子面层：	Tin/Silver (Sn96Ag4)	端子形状：	WRAPAROUND
容差：	1%	Base Number Matches：	1

WSR21L250FEA 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

3.0¹⁾

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/+ 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 = Milliohm*

R = Decimal

ꢀL000 = 0.005 Ω

R0100 = 0.01 Ω

TOLERANCE

D = 0.5 %

F = 1.0 %

J = 5.0 %

PACKAGING

SPECIAL

EA = Lead (Pb)-free, Tape/Reel

EK = Lead (Pb)-free, Bulk

TA = Tin/Lead, Tape/Reel (R86)

BA = Tin/Lead, Bulk (B43)

(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WSR21L250FEA相关器件

型号	品牌	获取价格	描述	数据表
WSR21L250FTA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00125 ohm, SURFACE MOUNT, 4527, CHIP
WSR21L270FBA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00127 ohm, SURFACE MOUNT, 4527, CHIP
WSR21L270FEA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00127 ohm, SURFACE MOUNT, 4527, CHIP, GR
WSR21L270FEK	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00127 ohm, SURFACE MOUNT, 4527, CHIP, GR
WSR21L270FTA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00127 ohm, SURFACE MOUNT, 4527, CHIP
WSR21L300FEA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.0013 ohm, SURFACE MOUNT, 4527, CHIP, GRE
WSR21L300FEK	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.0013 ohm, SURFACE MOUNT, 4527, CHIP, GRE
WSR21L330FBA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00133 ohm, SURFACE MOUNT, 4527, CHIP
WSR21L330FEA	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00133 ohm, SURFACE MOUNT, 4527, CHIP, GR
WSR21L330FEK	VISHAY	获取价格	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00133 ohm, SURFACE MOUNT, 4527, CHIP, GR

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