H04-004-03

14

MS5F 05550

8

Failu re Criteria

Item

C haracteristic

Sym bol

Failure criteria

Unit

Note

Lower lim it

Upper lim it

Electrical

Leakage current

ICES

-

USL× 2

m A

characteristic

±IGES

-

USL× 2

A

Gate threshold voltage

VGE(th)

LSL×0.8

USL×1.2

m A

Saturation voltage

VCE(sat)

-

USL×1.2

V

Forward voltage

VF

-

USL×1.2

V

Therm al

IGBT

VGE

-

USL×1.2

m V

resistance

or

VC E

FW D

VF

-

USL×1.2

m V

Isolation voltage

Viso

Broken insulation

-

Visual

Visual inspection

inspection

Peeling

-

The visual sam ple

-

Plating

and the others

LSL : Low er specified lim it.

USL : Upper specified lim it.

Note : Each param eter m easurem ent read-outs shall be m ade after stabilizing the com ponents at room

am bient for 2 hours m inim um , 24 hours m axim um after rem oval from the tests. And in case of the

wetting tests, for exam ple, m oisture resistance tests, each com ponent shall be m ade w ipe or dry

com pletely before the m easurem ent.

Each param eter m easurem ent read-outs shall be m ade after stabilizing the com ponents at room

am bient for 2 hours m inim um , 24 hours m axim um after rem oval from the tests. And in case of the

wetting tests, for exam ple, m oisture resistance tests, each com ponent shall be m ade w ipe or dry

com pletely before the m easurem ent.

Reliability Test Items

Test

cate-

gories

Test items

Test methods and conditions

Reference

norms

EIAJ ED-4701

(Aug.-2001 edition)

Number

of

sample

Accept-

ance

number

1 High temperature

Test Method 101

5

( 0 : 1 )

Reverse Bias

Test temp.

: Ta = 125±5 ℃

(Tj ≦ 150 ℃)

Bias Voltage

: VC = 0.8×VCES

Bias Method

: Applied DC voltage to C-E

VGE = 0V

Test duration

: 1000hr.

2 High temperature

Test Method 101

5

( 0 : 1 )

Bias (for gate)

Test temp.

: Ta = 125±5 ℃

(Tj ≦ 150 ℃)

Bias Voltage

: VC = VGE = +20V or -20V

Bias Method

: Applied DC voltage to G-E

VCE = 0V

Test duration

: 1000hr.

3 Temperature

Test Method 102

5

( 0 : 1 )

Humidity Bias

Test temp.

Condition code C

Relative humidity

: 85±5%

Bias Voltage

: VC = 0.8×VCES

Bias Method

: Applied DC voltage to C-E

VGE = 0V

Test duration

: 1000hr.

4 Intermitted

ON time

: 2 sec.

Test Method 106

5

( 0 : 1 )

Operating Life

OFF time

: 18 sec.

(Power cycle)

Test temp.

:

Tj=100±5 deg

( for IGBT )

Tj ≦ 150 ℃, Ta=25±5 ℃

Number of cycles

: 15000 cycles