VHP203 (Z-Foil)

Resistors with TCR of 0.05 ppm/°C, Tolerance of ± 0.001 % and

Load Life Stability of ± 0.005 %, Unaffected by Humidity

www.vishay.com

For any questions, contact: foil@vishay.com

Document Number: 63146

2

Revision: 06-May-08

Note

• See next page for numbered footnotes

Note

• See next page for numbered footnotes

TABLE 2 - MODEL SELECTION

MODEL

NUMBER

RESISTANCE

RANGE

(

Ω)

MAXIMUM

WORKING

POWER

RATING

at + 25 °C

AVERAGE

WEIGHT

(g)

CONSTRUCTION

BRIEF

DIMENSIONS

INCHES

mm

VHP203

VHP203J

10 to 66K

66K to 150K

300

0.3 W

0.2 W

1.4

Oil-filled, tinned

copper leads, nickel

shell, kovar and

glass header

W: 0.185 ± 0.020

L: 0.435 ± 0.020

H: 0.375 ± 0.020

LL: 1.000 ± 0.125

ST: 0.095 Max.

4.70 ± 0.51

11.05 ± 0.51

10.92 ± 0.51

25.4 ± 3.18

3.81 ± 0.25

2.41 Max.

TABLE 3 - STANDARD RESISTANCE TOLERANCE

TIGHTEST (

Ω)

LOOSEST (%)

1K to 150K

500R to 1K

50R to 500R

30R to 50R

20R to 30R

10R to 20R

± 0.001

± 0.0025

± 0.005

± 0.01

± 0.02

± 0.05

FIGURE 2 - TYPICAL TCR CURVE Z-FOIL

+ 500

+ 200

+ 100

0

- 100

- 200

- 300

- 500

- 55

- 25

+ 25

+ 60

+ 75

+ 100

+ 125

Ambient Temperature (°C)

∆R

R

(ppm)

0

0.05 ppm/°C

- 0.1 ppm/°C

0.1 ppm/°C

0.14 ppm/°C

0.2 ppm/°C

- 0.16 ppm/°C

- 400

+ 300

+ 400

FIGURE 3 - POWER DERATING CURVE

+ 100

+ 75

+ 50

+ 25

0

- 50

- 25

0

+ 25 + 50 + 75 + 100 + 125 + 150 + 175

- 55 °C

Ambient Temperature (°C)

FIGURE 4 - STANDARD IMPRINTING AND DIMENSIONS

LS

Model

Number

VISHAY

XXXX

ST

H

L

Date Code

W

Front View

Rear View

Lead Material

#22 AWG Round

Solder Coated Copper

Resistance

Value Code

Tolerance

Serial No.

100R01

0.01%

XXXX

06

Week

07

Year

LL

VHP203