CRHA

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Vishay Techno

Revision: 19-May-2021

2

Document Number: 68048

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

Note

• Reference only: not for all values specified. Consult factory for

your size and value

MECHANICAL SPECIFICATIONS

Resistive element

Ruthenium oxide

Encapsulation

Glass

Substrate

96 % alumina

Termination

Nickel barrier (standard)

Solder finish

Pure tin

ENVIRONMENTAL SPECIFICATIONS

Operating temperature

-55 °C to +155 °C

Life

Less than 1.0 % change when

tested at full rated power

Short time overload

Less than 0.5 %

ΔR

DERATING CURVE

10

100

1000

10000

0

20

40

60

80

100

120

-55

-25

0

25

50

100 125

175

Axis Title

Ambient Temperature (°C)

70

155

VOLTAGE COEFFICIENT OF RESISTANCE CHART

SIZE

VALUE (

Ω)

VCR (ppm/V)

CRHA1206

2M to 100M

25

CRHA1210

4M to 100M

25

CRHA2010

6M to 100M

15

CRHA2510

10M to 99M

10

100M to 500M

15

CRHA2512

10M to 500M

10

DIMENSIONS in inches (millimeters)

MODEL

LENGTH (L)

± 0.006 (0.152)

WIDTH (W)

± 0.006 (0.152)

THICKNESS (T)

± 0.004 (0.102)

CRHA1206

0.125

0.063

0.025

CRHA1210

0.125

0.100

0.025

CRHA2010

0.200

0.100

0.025

CRHA2510

0.250

0.100

0.025

CRHA2512

0.250

0.126

0.025

0.025 (0.635)

max.

L

T

W

Termination Style A

(3-sided wraparound)

W

T

L

Termination Style B

(top conductor only)

0.025 (0.635)

max.