VSR Series

with TCR of ± 4 ppm/°C and Tolerance of ± 0.01 %

www.vishay.com

For any questions, contact: foil@vishay.com

Document Number: 63009

2

Revision: 16-Jul-07

Note

1. 0.200 inches (5.08 mm) lead spacing available - specify VSRJ.

FIGURE 3 - IMPRINTING AND DIMENSIONS

LS

Model Number

VISHAY

XXXX

VSR4

ST

H

L

Date Code

W

Front View

Lead Material #22AWG

Round Solder Coated Copper

10

Week

07

Year

Rear View

Resistance

Value Code

Tolerance

100R01

0.01 %

LL

SW

TABLE 1 - MODEL SELECTION

MODEL

NUMBER

RESISTANCE

(

Ω)

POWER

at

+ 70 °C

POWER

at

+ 125 °C

MAXIMUM

WORKING

VOLTAGE

DIMENSIONS

LOAD LIFE

STABILITY

(MAXIMUM

ΔR)

MAXIMUM

TEMPERATURE

COEFFICIENT

OF RESISTANCE

(+ 25 °C REF.)

TIGHTEST

TOLERANCE %

VS. LOWEST

RESISTANCE

VALUE (

Ω)

INCHES

mm

VSR

1 to 150K

0.3 W

0.2 W

300

W: 0.105 ± 0.010

L: 0.300 ± 0.010

H: 0.326 ± 0.010

ST: 0.010 Minimum

SW: 0.040 ± 0.005

LL: 1.000 ± 0.125

2.67 ± 0.25

7.62 ± 0.25

8.28 ± 0.25

0.254 Minimum

1.02 ± 0.13

25.4 ± 3.18

3.81 ± 0.13

0.05 %

2000 hours

at + 125 °C

0 °C to + 60 °C

± 4 ppm/°C

- 55 °C to + 125 °C

± 8 ppm/°C

± 0.01/25

± 0.02/12

± 0.05/5

± 0.1/2

± 0.25/2

± 0.5/1

± 1/1

up to 100K

0.25 W

0.15 W

over 100K

VSR4

1 to 500K

0.5 W

0.4 W

350

W: 0.160 Maximum

L: 0.575 Maximum

H: 0.413 Maximum

ST: 0.035 ± 0.005

SW: 0.050 ± 0.005

LL: 1.000 ± 0.125

LS: 0.400 ± 0.020

4.06 Maximum

14.61 Maximum

10.49 Maximum

0.89 ± 0.13

1.27 ± 0.13

25.4 ± 3.18

10.16 ± 0.51

± 0.005/30

± 0.01/20

± 0.02/10

± 0.05/5

± 0.1/1

± 0.25/1

± 0.5/1

± 1/1

up to 200K

0.25 W

0.2 W

over 200K

VSR5

1 to 750K

0.75 W

0.6 W

350

W: 0.160 Maximum

L: 0.820 Maximum

H: 0.413 Maximum

ST: 0.035 ± 0.005

SW: 0.050 ± 0.005

LL: 1.000 ± 0.125

LS: 0.650 ± 0.020

4.06 Maximum

20.83 Maximum

10.49 Maximum

0.89 ± 0.13

1.27 ± 0.13

25.4 ± 3.18

16.51 ± 0.51

up to 300K

0.4 W

0.3 W

over 300K

VSR6

0.5 to 1M

1.0 W

0.8 W

500

W: 0.260 Maximum

L: 1.200 Maximum

H: 0.413 Maximum

ST: 0.035 ± 0.005

SW: 0.050 ± 0.005

LL: 1.000 ± 0.125

LS: 0.900 ± 0.020

6.60 Maximum

30.48 Maximum

10.49 Maximum

0.89 ± 0.13

1.27 ± 0.13

25.4 ± 3.18

22.86 ± 0.51

up to 400K

0.5 W

0.4 W

over 400K

FIGURE 4 - TEMPERATURE COEFFICIENT OF RESISTANCE

+ 400

+ 200

0

- 200

- 400

0

+ 25

- 140

Temperature, °C

+ 140

+ 100

- 100

ΔR

R

(ppm)

+ 60

+ 4 ppm/°C

- 4 ppm/°C