Reliability data

Tests of SMD NTC thermistors are based on AEC-Q200 Rev-C. The parts are mounted on

standardized PCB.

Test

Standard

Test conditions

∆R

(typical)

Remarks

Pre- and

post-stress

electrical test

Resistance at: 25

°C and 100 °C

High temperature

exposure

(storage)

MIL-STD-202

Method 108

Test temperature: 150

°C

Duration: 1000 h

Unpowered

< 5%

Temperature

cycling

JESD22

Method JA-104

Lower test temperature:

40

°C

Upper test temperature: 150

°C

Number of cycles: 1000

< 5%

Moisture

resistance

MIL-STD-202

Method 106

Lower test temperature: 25

°C

Upper test temperature: 65

°C

Rel. humidity of air: 90% ... 98%

(during cooling phase: 80% ... 98%)

Duration of 1 cycle: 24 h

Number of cycles: 10

Unpowered

< 5%

Biased humidity

MIL-STD-202

Method 103

Test temperature: 85

°C

Rel. humidity of air: 85%

Duration: 1000 h

Test voltage: V = 0.3 V DC

< 5%

Operational life

MIL-STD-202

Method 108

Test temperature: 150

°C

Duration: 1000 h

< 5%

External visual

MIL-STD-883E

Method 2009

Visual inspection

Physical

dimensions

JESD22

Method

JB-100

Measured with calibers

Within the

specified

values

Therminal

strength

(leaded)

MIL-STD-202

Method 211

Not applicable for SMD thermistors

Resistance to

solvents

MIL-STD-202

Method 215

Not applicable for SMD thermistors

(component has no marking, color

coding or coating)

Mechanical shock

MIL-STD-202

Method 213

Peak value: 1500 g

Half sine

Condition F

< 5%

Temperature measurement and compensation

B574**V5

SMD NTC thermistors for automotive, case size 0805 (2012)

Automotive

Page 3 of 19

Please read Cautions and warnings and

Important notes at the end of this document.