1

Characteristics

Table 1. Absolute ratings (limiting values at Tj= 25 °C, unless otherwise specified)

Symbol

Parameter

Value

Unit

VRRM

Repetitive peak reverse voltage, Tj = -40 °C to +175 °C

1200

V

IF(AV)

Average forward current

TL = 135 °C δ = 0.5

1

A

IFSM

Forward surge current

tp = 8.3 ms

18

A

Tstg

Storage temperature range

-65 to + 175

°C

Tj(1)

Operating temperature range

-40 to + 175

°C

1. (dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink.

Table 2. Thermal resistance

Symbol

Parameter

Value

Unit

Rth(j-l)

Junction to lead

20

°C/W

For more information, you can refer to the following application note related to the thermal management:

•

AN5088: Rectifiers thermal management, handling and mounting recommendations

Table 3. Static electrical characteristic

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IR(1)

Reverse leakage current

Tj = 25 °C

VR = VRRM

-

5

µA

Tj = 125 °C

-

1

50

VF(2)

Forward voltage drop

Tj = 25 °C

IF = 1 A

-

1.9

V

Tj = 150 °C

-

1.10

1.55

1. Pulsetest: tp = 5 ms, δ < 2%

2. Pulsetest: tp = 380 µs, δ < 2%

To evaluate the conduction losses use the following equation:

P = 1.25 x IF(AV) + 0.330 IF²(RMS)

For more information, you can refer to the following application notes related to the power losses:

•

AN604: Calculation of conduction losses in a power rectifier

•

AN4021: Calculation of reverse losses on a power diode

Table 4. Dynamic electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

trr

Reverse recovery time

Tj = 25 °C

IF = 0.5 A;

Irr = 0.25 A;

IR = 1 A

-

53

75

ns

tfr

Forward recovery time

Tj = 25 °C

IF = 1 A;

dIF/dt = 50 A/µs;

VFR = 4.50 V

-

500

VFP

Forward recovery voltage

-

20

30

V

STTH112-Y

Characteristics

DS10171 - Rev 3

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