WSR21L330FTA [VISHAY]

RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00133 ohm, SURFACE MOUNT, 4527, CHIP;


型号：	WSR21L330FTA
厂家：	VISHAY
描述：	RESISTOR, CURRENT SENSE, METAL STRIP, 2 W, 1 %, 0.00133 ohm, SURFACE MOUNT, 4527, CHIP 电阻器
文件：	总3页 (文件大小：79K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

WSR

Vishay Dale

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⁾

• Compliant to RoHS Directive 2002/95/EC

Note

(1)

Flame retardance test may not be applicable to some resistor

technologies.

STANDARD ELECTRICAL SPECIFICATIONS

RESISTANCE VALUE RANGE

POWER RATING

WEIGHT

(typical)

GLOBAL



SIZE

P_{70 °C}

MODEL

g/1000 pieces

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.

•

(2)

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

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

WSR2 AND WSR3

110 for 0.005  to 0.0099 

75 for 0.010  to 1.0 

Temperature coefficient

ppm/°C

Dielectric withstanding voltage

Insulation resistance

V_AC



> 500

> 10⁹

Operating temperature range

Maximum working voltage

°C

- 65 to + 275

(P x R)^1/2

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: WSR2ꢀL000FTA

ꢀ

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 (R86)

BA = Tin/lead, bulk (B43)

* Use “L” for resistance

values < 0.01 

Historical Part Numbering example: WSR2 0.00ꢀ  1 ꢁ R86

WSR2

0.00ꢀ 

1 ꢁ

R86

HISTORICAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

PACKAGING CODE

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

** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902

www.vishay.com

436

For technical questions, contact: ww2bresistors@vishay.com

Document Number: 30101

Revision: 26-Jan-11

WSR

Vishay Dale

Power Metal Strip^®Resistors,

Low Value (down to 0.001 ), Surface Mount

DIMENSIONS

DIMENSIONS in inches (millimeters)

MODEL

WSR2

W₁

0.455 0.032 0.095 0.005 0.100 0.010 0.275 0.005 0.215 0.005

WSR3 (11.56 0.813) (2.41 0.127) (2.54 0.254) (6.98 0.127) (5.46 0.127)

SOLDER PAD DIMENSIONS in inches (millimeters)

MODEL

WSR2

WSR3

0.155

(3.94)

0.230

(5.84)

0.205

(5.21)

DERATING

120

100

- 65

- 25

125

175

225

275

Ambient Temperature °C

PERFORMANCE

TEST LIMITS

TEST

CONDITIONS OF TEST

WSR2

WSR3

Thermal shock

- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme

(0.5 ꢀ + 0.0005



)

R

(0.5 ꢀ + 0.0005

(2.0 ꢀ + 0.0005

(0.5 ꢀ + 0.0005

(1.0 ꢀ + 0.0005

)

R

WSR2: 5 x rated power for 5 s

WSR3: 4 x rated power for 5 s

Short time overload

(0.5 ꢀ + 0.0005

(1.0 ꢀ + 0.0005

)

Low temperature storage - 65 °C for 24 h

)

High temperature

1000 h at + 275 °C

exposure

)

Bias humidity

Mechanical shock

Vibration

+ 85 °C, 85 ꢀ RH, 10 ꢀ bias, 1000 h

(0.5 ꢀ + 0.0005

(1.0 ꢀ + 0.0005

(0.5 ꢀ + 0.0005



)

R

(0.5 ꢀ + 0.0005

(2.0 ꢀ + 0.0005

(0.5 ꢀ + 0.0005

)

R

100 g’s for 6 ms, 5 pulses

)

Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h

1000 h at rated power, + 70 °C, 1.5 h “ON”, 0.5 h “OFF”

)

Load life

)

Resistance to solder heat + 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence

)

MIL-STD-202, method 106, 0 ꢀ power, 7a and 7b not

Moisture resistance

required

(0.5 ꢀ + 0.0005

)

R

(0.5 ꢀ + 0.0005

)

R

PACKAGING

REEL

MODEL

TAPE WIDTH

DIAMETER

PIECES/REEL

CODE

WSR2 and WSR3

24 mm/embossed plastic

330 mm/13"

1500

Note

Embossed Carrier Tape per EIA-481.

•

Document Number: 30101

Revision: 26-Jan-11

For technical questions, contact: ww2bresistors@vishay.com

www.vishay.com

437

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Disclaimer

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provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All

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including but not limited to the warranty expressed therein.

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Document Number: 91000

Revision: 11-Mar-11

www.vishay.com

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