WSLS2512, Improved Stability

www.vishay.com

Vishay Dale

Revision: 05-Mar-14

1

Document Number: 30123

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

(0.25 % and 0.5 %), Low Value, Surface Mount

FEATURES

• Current sensing in high-temperature (+ 125 °C)

applications

• Greater

stability

with maximum

resistance

change of 0.25 % or 0.5 % through 2000 h

workload

• Ideal for all types of current sensing, voltage

division

and

pulse

applications

including

switching

and

linear

power

supplies,

instruments, power amplifiers and shunts

• Proprietary

processing

technique

produces

extremely low resistance values (0.01

 to 0.1 )

• All welded construction

• Solid metal nickel-chrome resistive element with low TCR

(< 20 ppm/°C)

• Very low inductance 0.5 neH to 2 nH

• Excellent frequency response to 50 MHz

• Low thermal EMF (< 3 μV/°C)

• Material categorization: For definitions of compliance

Note

technologies.

Note

• Part marking: Value, RTC/stability code.

STANDARD ELECTRICAL SPECIFICATIONS

GLOBAL MODEL

SIZE

POWER RATING

W

TOLERANCE

± %

RESISTANCE

VALUE RANGE



WEIGHT

(typical)

g/1000 pieces

WSLS2512

2512

1.0

0.5, 1.0, 5.0

0.01 to 0.1

63.6

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RESISTOR CHARACTERISTICS

Temperature coefficient

ppm/°C

± 75

Element TCR

ppm/°C

< 20

Operating temperature range

°C

- 65 to + 170

Maximum working voltage

V

GLOBAL PART NUMBER INFORMATION

Global Part Numbering example: WSLS2512R0100FHEA

GLOBAL MODEL

RESISTANCE VALUE

TOLERANCE CODE

RTC/STABILITY

PACKAGING CODE

SPECIAL

WSLS2512

R = Decimal

R0100 = 0.01



D = ± 0.5 %

F = ± 1.0 %

J = ± 5.0 %

G = 75 ppm,

0.25 % stability

H = 75 ppm,

0.5 % stability

EA = Lead (Pb)-free,

tape/reel

EK = Lead (Pb)-free,

bulk

(Dash number)

(up to 2 digits)

From 1 to 99 as

applicable

S

L

S

2

5

1

2

R

0

1

0

0

F

H

W

E

A