B59721A0080A062 datasheet(6/37 Pages) EPCOS

Part #	B59721A0080A062

Description	PTC thermistors as limit temperature sensors

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Manufacturer	EPCOS [EPCOS]

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Reliability data

Test

Standard

Test conditions

∆R

25/R25

Electrical endurance,

cycling

IEC 60738-1

Room temperature: Ismax , Vmax;

Number of cycles: 100

< 10%

Electrical endurance,

constant

IEC 60738-1

Storage at Vmax/Top

T = 85

°C

Test duration: 1000 h

< 20%

Damp heat

IEC 60738-1

Temperature of air: 40

°C

Relative humidity of air: 93%

Duration: 56 days

Test according to IEC 60068-2-78

< 10%

Rapid change

of temperature

IEC 60738-1

TLCT =

25

°C, T

UCT = 125

°C

Number of cycles: 5

Test duration: 30 min

Test according to IEC 60068-2-14, test Na

< 10%

Vibration I

IEC 60738-1

Frequency: 10 - 55 - 10 Hz

Displacement amplitude: 0.75 mm, resp.

Acceleration: 50 m/s2

Test duration: 3

× 2 h

Test according to IEC 60028-2-6, test Fc

< 5%

Vibration II

MIL-STD-202,

method 204

Frequency: 10 ... 2000 Hz

Displacement amplitude: 0.75 mm, resp.

Acceleration: 50 m/s2

Test duration: 3

× 2 h

Test according to IEC 60028-2-6, test Fc

< 5%

Bump

IEC 60738-1

Pulse shape: half-sine

Acceleration: 400 m/s2

Pulse duration: 6 ms; 6 x 4000 pulses

Test according to IEC 60068-2-27, test Ea

< 5%

Climatic sequence

IEC 60738-1

Dry heat: TUCT = 125

°C

Test duration: 16 h

Damp heat first cycle

Cold: TLCT =

25

°C

Test duration: 2 h

Damp heat 5 cycles

Tests performed according to

IEC 60068-2-30

< 10%

Bending test

EN 130000/4.35 Components reflow-soldered to test board

Maximum bendig: 2 mm

< 5%

Adhesive strength on

PCB

Shearing of the component soldered on PCB

by a force of 5 N is normal to components

longitudinal axis

No

visible

damage

Sensors

Limit temperature sensors, EIA sizes 0402, 0603 and 0805

Superior series

Page 6 of 37

Please read Cautions and warnings and

Important notes at the end of this document.

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