AS73 datasheet(3/5 Pages) MERITEK

3 / 5 page

Rev. 7

Thin Film Anti-Sulfurated Chip Resistor

MERITEK

AS73 Series

Environmental Characteristics

Item

Requirement

Test Method

Tol. ≦ 0.05%

Tol. > 0.05%

Temperature Coefficient of Resistance

(T.C.R.)

As Spec.

MIL-STD-202F Method 304

+25/-55/+25/+125/+25

C

Short Time Overload

∆R±0.05%

∆R±0.2%

JIS-C-5201-1 5.5

RCWV*2.5 or Max. overload voltage for 5 seconds

∆R±0.2% for high power rating

Insulation Resistance

>1000 MΩ

MIL-STD-202F Method 302

Apply 100VDC for 1 minute

Endurance

∆R±0.05%

∆R±0.2%

MIL-STD-202F Method 108A

2C, Max. working voltage for 1000 hrs with 1.5 hrs

“ON” and 0.5 hrs “OFF”

>7kΩ ∆R±0.5%

∆R±0.5% for high power rating

Damp Heat with Load

∆R±0.05%

∆R±0.3%

MIL-STD-202F Method 103B

2C, 90~95% R.H. Max. working voltage for 1000

hrs with 1.5 hrs “ON” and 0.5 hrs “OFF”

∆R±0.5% for high power rating

Bending Strength

∆R±0.05%

∆R±0.2%

JIS-C-5201-1 6.1.4

Bending amplitude 3 mm for 10 seconds

Solderability

95% min. coverage

MIL-STD-202F Method 208H

245

5C for 3 seconds

Resistance to Soldering Heat

∆R±0.05%

∆R±0.2%

MIL-STD-202F Method 210E

260±5

C for 10 seconds

Dielectric Withstand Voltage

By Type

MIL-STD-202F Method 301

Max. overload voltage for 1 minute

Thermal Shock

∆R±0.05%

∆R±0.25%

MIL-STD-202F Method 107G

-55

C ~150C, 100 cycles

Low Temperature Operation

∆R±0.05%

∆R±0.2%

JIS-C-5201-1 7.1

1 hour, -65

C, followed by 45 minutes of RCWV

∆R±0.5% for high power rating

Sulfur Test

 0.5%

ASTM-B-809-95

3~5ppm H2S, 50

2C, 91~93% R.H., no power

rating for 1000 hrs

Storage Temperature: 25±3

C; Humidity < 80%RH

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