STTA1212 datasheet(2/8 Pages) STMICROELECTRONICS

2 / 8 page

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

VF*

Forward voltage drop

IF =12A

Tj = 25

°C

Tj = 125

°C

1.35

2.2

2.0

IR**

Reverse leakage current

VR =0.8 x

VRRM

Tj=25

°C

Tj = 125

°C

0.8

100

5.0

µA

Vto

Threshold voltage

Ip < 3.IF(AV) Tj = 125

°C

1.57

Dynamic resistance

Ω

Test pulses :

* tp = 380

µs, δ <2%

** tp = 5 ms ,

δ <2%

STATIC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test conditions

Value

Unit

Rth(j-c)

Junction to case thermal resistance

1.9

°C/W

Conduction power dissipation

IF(AV) = 12A

δ =0.5

Tc= 95

°C

29.2

Pmax

Total power dissipation

Pmax = P1 + P3

(P3 = 10% P1)

Tc= 89

°C

32.1

THERMAL AND POWER DATA

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

trr

Reverse recovery

time

Tj = 25

°C

IF = 0.5 A

IR = 1A

Irr = 0.25A

IF =1 A dIF/dt =-50A/

µsVR =30V

100

IRM

Maximum reverse

recovery current

Tj = 125

°C VR = 600V IF =12A

dIF/dt = -96 A/

µs

dIF/dt = -500 A/

µs30

S factor

Softness factor

Tj = 125

°CVR = 600V IF = 12A

dIF/dt = -500 A/

µs

1.2

DYNAMIC ELECTRICAL CHARACTERISTICS

TURN-OFF SWITCHING

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

tfr

Forward recovery time

Tj = 25

°C

IF =12 A, dIF/dt = 96 A/

µs

measured at 1.1

× VFmax

900

VFp

Peak forward voltage

Tj = 25

°C

IF =12A, dIF/dt = 96 A/

µs

IF =40A, dIF/dt = 500 A/

µs40

TURN-ON SWITCHING

To evaluate the maximum conduction losses use the following equation :

P= Vto xIF(AV) +Rd x IF

(RMS)

STTA1212D

2/8

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