2000 Feb 14

2

Philips Semiconductors

Product specification

SMA ultra fast low-loss

controlled avalanche rectifiers

US1 series

FEATURES

• Glass passivated

• High maximum operating temperature

• Ideal for surface mount automotive applications

• Low leakage current

• Excellent stability

• Guaranteed avalanche energy absorption capability

• UL 94V-O classified plastic package

• Shipped in 12 mm embossed tape

• Marking: cathode, date code, type code

• Easy pick and place.

DESCRIPTION

DO-214AC surface mountable package with glass

passivated chip.

The well-defined void-free case is of a transfer-moulded

thermo-setting plastic. The small rectangular package has

two J bent leads.

olumns

MSA474

Top view

Side view

cathode

band

ka

Fig.1 Simplified outline (DO-214AC) and symbol.

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

repetitive peak reverse voltage

US1A

−

50

V

US1B

−

100

V

US1D

−

200

V

US1G

−

400

V

US1J

−

600

V

continuous reverse voltage

US1A

−

50

V

US1B

−

100

V

US1D

−

200

V

US1G

−

400

V

US1J

−

600

V

root mean square voltage

US1A

−

35

V

US1B

−

70

V

US1D

−

140

V

US1G

−

280

V

US1J

−

420

V

average forward current

averaged over any 20 ms period;

−

1A