WSR21L250FEA datasheet, PDF - EEWORLD Datasheet

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WSR21L250FEA: DescriptionRESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00125 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT; CategoryPassive components The resistor; File Size95KB，3 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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WSR21L250FEA Overview

RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00125 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT

WSR21L250FEA Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Vishay
package instruction	, 4527
Reach Compliance Code	compliant
ECCN code	EAR99
JESD-609 code	e2
Installation features	SURFACE MOUNT
Number of terminals	2
Maximum operating temperature	275 °C
Minimum operating temperature	-65 °C
Package shape	RECTANGULAR PACKAGE
method of packing	TR, EMBOSSED PLASTIC, 13 INCH
Rated power dissipation(P)	2 W
Rated temperature	70 °C
resistance	0.00125 Ω
Resistor type	FIXED RESISTOR
size code	4527
surface mount	YES
technology	METAL STRIP
Terminal surface	Tin/Silver (Sn96Ag4)
Terminal shape	WRAPAROUND
Tolerance	1%
Base Number Matches	1

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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

Available

division and pulse applications including

switching and linear power supplies,

instruments, power amplifiers

•

Proprietary processing technique produces

extremely low resistance values (down to

RoHS*

COMPLIANT

0.001

Ω)

•

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

GLOBAL

MODEL

SIZE

POWER RATING

70 °C

2.0

3.0

RESISTANCE RANGE

± 0.5 %

± 1.0 %

0.01 - 1.0

0.001 - 1.0

0.01 - 0.2

0.001 - 0.2

WSR2

4527

WSR3

4527

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

Temperature Coefficient

Dielectric Withstanding Voltage

Insulation Resistance

Operating Temperature Range

Maximum Working Voltage

Weight/1000 pieces (typical)

UNIT

ppm/°C

°C

WSR2 & WSR3

0.005

- 0.0099

= ± 110

0.010

- 1.0

= ± 75

> 500

> 10

- 65/+ 275

(P x

1/2

440

GLOBAL PART NUMBER INFORMATION

New Global Part Numbering: WSR25L000FTA (preferred part numbering format)

GLOBAL MODEL

WSR2

WSR3

SPECIAL

(Dash

Number)

(up to 2 digits)

From

1 - 99

applicable

VALUE

= Milliohm*

= Decimal

5L000

= 0.005

R0100

= 0.01

use

“L” for resistance

values

< 0.01

TOLERANCE

= ± 0.5 %

= ± 1.0 %

= ± 5.0 %

PACKAGING

= Lead (Pb)-free, Tape/Reel

= Lead (Pb)-free, Bulk

= Tin/Lead, Tape/Reel (R86)

= Tin/Lead, Bulk (B43)

Historical Part Number example: WSR2 0.005

R86 (will continue to be accepted)

WSR2

HISTORICAL MODEL

0.005

RESISTANCE

VALUE

TOLERANCE CODE

R86

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

WSR21L250FEA Related Products

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Description	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00125 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT	RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 0.00167 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00125 ohm, SURFACE MOUNT, 4527, CHIP	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 75 ppm, 0.376 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 75 ppm, 0.376 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT	RESISTOR, CURRENT SENSE, METAL STRIP, 3 W, 1 %, 75 ppm, 0.18 ohm, SURFACE MOUNT, 4527, CHIP	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.0086 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.0083 ohm, SURFACE MOUNT, 4527, CHIP, ROHS COMPLIANT	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 110 ppm, 0.0083 ohm, SURFACE MOUNT, 4527, CHIP
Is it lead-free?	Lead free	Lead free	Contains lead	Lead free	Lead free	Contains lead	Lead free	Lead free	Contains lead
Is it Rohs certified?	conform to	conform to	incompatible	conform to	conform to	incompatible	conform to	conform to	incompatible
package instruction	, 4527	, 4527	, 4527	, 4527	, 4527	SMT, 4527	SMT, 4527	SMT, 4527	SMT, 4527
Reach Compliance Code	compliant	compliant	compliant	compliant	compliant	compliant	compliant	compliant	compli
JESD-609 code	e2	e2	e0	e2	e2	e0	e2	e2	e0
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Number of terminals	2	2	2	2	2	2	2	2	2
Maximum operating temperature	275 °C	275 °C	275 °C	275 °C	275 °C	275 °C	275 °C	275 °C	275 °C
Minimum operating temperature	-65 °C	-65 °C	-65 °C	-65 °C	-65 °C	-65 °C	-65 °C	-65 °C	-65 °C
Package shape	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE
method of packing	TR, EMBOSSED PLASTIC, 13 INCH	TR, EMBOSSED PLASTIC, 13 INCH	TR	TR, EMBOSSED PLASTIC, 13 INCH	BULK	TR	TR, EMBOSSED PLASTIC, 13 INCH	TR, EMBOSSED PLASTIC, 13 INCH	TR
Rated power dissipation(P)	2 W	3 W	2 W	2 W	2 W	3 W	2 W	2 W	2 W
Rated temperature	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C
resistance	0.00125 Ω	0.00167 Ω	0.00125 Ω	0.376 Ω	0.376 Ω	0.18 Ω	0.0086 Ω	0.0083 Ω	0.0083 Ω
Resistor type	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR	FIXED RESISTOR
size code	4527	4527	4527	4527	4527	4527	4527	4527	4527
surface mount	YES	YES	YES	YES	YES	YES	YES	YES	YES
technology	METAL STRIP	METAL STRIP	METAL STRIP	METAL STRIP	METAL STRIP	METAL STRIP	METAL STRIP	METAL STRIP	METAL STRIP
Terminal surface	Tin/Silver (Sn96Ag4)	Tin/Silver (Sn96Ag4)	Tin/Lead (Sn/Pb)	Tin/Silver (Sn/Ag)	Tin/Silver (Sn/Ag)	Tin/Lead (Sn/Pb)	Tin/Silver (Sn/Ag)	Tin/Silver (Sn/Ag)	Tin/Lead (Sn/Pb)
Terminal shape	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND	WRAPAROUND
Tolerance	1%	1%	1%	1%	1%	1%	1%	1%	1%
Maker	Vishay	-	Vishay	-	-	Vishay	Vishay	Vishay	Vishay
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	-	EAR99	EAR99	EAR99
Base Number Matches	1	1	1	1	1	-	-	-	-
Temperature Coefficient	-	-	-	75 ppm/°C	75 ppm/°C	75 ppm/°C	110 ppm/°C	110 ppm/°C	110 ppm/°C

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