Metal Film, Cylindrical Resistors

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CENTRAL

CTMFCR Series

05.05.08

ENVIRONMENTAL CHARACTERISTICS

Test Item

Requirements Permissible Change (

ΔΔR)

Test Method

0.25%

0.50%

0.50%

Stability for

product

types

CTMFCR0204

50

Ω

Ω~220KΩ

Ω

10

Ω

Ω~<50Ω

Ω

>220K

Ω

Ω

CTMFCR0207

50

Ω

Ω~1MΩ

Ω

10

Ω

Ω~<50Ω

Ω

>1M

Ω

Ω

Temperature Coefficient of

Resistance

As Spec

MIL-STD-202F Method 304

+25/-55/+25/+125/+25°C

Short Time Overload

ΔR±0.1%

JIS-C-5202-5.5

RCWV*2.5 or Max Overloading Voltage

5 seconds

no visible damage

Thermal Shock

ΔR±0.1%

ΔR±0.25%

ΔR±0.1%

MIL-STD-202F Method 107G

-55°C~150°C, 100 cycles

no visible damage

Load Life

ΔR±0.25%

ΔR±0.25%

ΔR±0.50%

MIL-STD-202F Method 108A

RCWV, 70°C, 1.5 hours ON, 0.5 hours OFF, total

1000~1048 hours

Humidity (Steady State)

ΔR±0.25%

ΔR±0.50%

ΔR±0.50%

MIL-STD-202F Method 103B

40°C, 90~95%RH,RCWV 1.5 hours ON, 0.5 hours

OFF, total 1000~1048 hours

no visible damage

Resistance to Dry Heat

ΔR±0.50%

ΔR±1.00%

ΔR±1.00%

JIS-C-5202-7.2

96 hours @ +155°C without load

Low Temperature Operation

ΔR±0.25%

ΔR±0.50%

ΔR±0.50%

JIS-C-5202-7.1

1 hour, -65°C, followed by 45 minutes of RCWV

no visible damage

Solderability

95%min coverage

MIL-STD-202F Method 208H

245°C±5°C, 2±0.5 (sec)

Resistance to Soldering Heat

ΔR±0.10%

ΔR±0.25%

ΔR±0.10%

MIL-STD-202F Method 210E

260±5°C, 10±1 seconds

no visible damage

*Storage Temperature: 25±3°C; Humidity <80%RH