1

Characteristics

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

Symbol

Parameter

Value

Unit

VRRM

Repetitive peak reverse voltage

40

V

IF(RMS) Forward rms current

SMA/SMB

8

A

IF(AV)

Average forward current δ = 0.5, square wave

SMA/SMB

TL = 155 °C

1

A

SMA Flat Notch

TL = 160 °C

SOD123Flat

TL = 160 °C

IFSM

Surge non repetitive forward current

SMA/SMB

tp = 10 ms sinusoidal

60

A

SMA Flat Notch

60

SOD123Flat

50

PARM

Repetitive peak avalanche power

tp = 10 µs, Tj = 125 °C

65

W

Tstg

Storage temperature range

-65 to +175

°C

Tj

Operating junction temperature(1)

+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 parameter

Symbol

Parameter

Max. value

Unit

Rth(j-l)

Junction to lead

SMA

30

°C/W

SMA Flat Notch

20

SMB

25

SOD123Flat

20

For more information, please refer to the following application note :

•

AN5088 : Rectifiers thermal management, handling and mounting recommendations

Table 3. Static electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IR(1)

Reverse leakage current

Tj = 25 °C

VR = VRRM

-

35

µA

Tj = 125 °C

-

6

10

mA

VF(1)

Forward voltage drop

Tj = 25 °C

IF = 1 A

-

0.50

V

Tj = 125 °C

-

0.37

0.42

Tj = 25 °C

IF = 2 A

-

0.63

Tj = 125 °C

-

0.50

0.61

1. Pulse test: tp = 380 µs, δ < 2%

To evaluate the conduction losses, use the following equation:

P = 0.23 x IF(AV) + 0.19 x IF2(RMS)

STPS1L40

Characteristics

DS1244 - Rev 9

page 2/16