Preliminary SS34MA/SS34D

SWITCHMODE SCHOTTKY RECTIFIER

Publication Order Number: [SS34MA/SS34DA]

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Maximum Ratings (Tc=25°C unless otherwise noted)

Parameter

Symbol

SS34MA

SS34DA

Unit

Maximum repetitive peak reverse voltage

VRRM

40

V

Working peak reverse voltage

VRWM

28

V

Maximum DC blocking voltage

VDC

40

V

Maximum average forward rectified current

IF(AV)

3

A

Peak forward surge current

8.3ms single half sine-wave superimposed

on rated load (JEDEC Method)

IFSM

80

A

Non-repetitive avalanche energy at 25 °C

IAS = 2 A per diode

EAS

20

m’J

Operating junction temperature range

TJ

-55 to +150

°C

Storage temperature range

TSTG

-55 to +150

°C

Notes:

Mounted on 2” Square PC Board with 1” Square Total Pad Size, PC Board FR4.

Electrical characteristics (Tc=25°C unless otherwise noted)

Parameter

Symbol

Value

Unit

Typical

Max

Instantaneous forward voltage at IF=3A, Tj=25°C

at IF=5A, Tj=25°C

at IF=3A, Tj=125°C

at IF=5A, Tj=125°C

VF

0.495

0.58

0.53

0.45

0.55

V

Maximum reverse current

Tj=25°C

IR

50

u

’A

at working peak reverse voltage

Tj=125°C

20

m

’A

Thermal characteristics (Tc=25°C unless otherwise noted)

Parameter

Value

Unit

Typical thermal resistance

Symbol

SS34MA

SS34DA

°C/W

RθJL

15

24

Rthja

80

86

Notes:

(1) Pulse test: 300 μs pulse width, 1 % duty cycle

(2) Pulse test: Pulse width ≤ 40 ms