IDB31

PLANAR SILICON BIDIRECTIONAL TRIGGER DIODE

FEATURES

¨ Intend for use in triac and thyristors circuits

¨ Excellent Breakover Voltage

Symmetry: typ. 1%

¨ Low Breakover Current: 20µA typ.

¨ Marking: B31

¨ Bidirectional Operation:

Pin 2 and 3 connected to the circuit

Pin 1 has to stay open

IMPORTANT

Do not connect Pin 1 to ground, VCC or any signal lines.

Pin 1 has to be soldered at a solderpad without any further

lines

MECHANICAL DATA

Case: SOT-23 Plastic Package

Weight: approx. 0.008g

Marking code: B31

MAXIMUM RATINGS

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

SYMBOL

VALUE

UNIT

Power dissipation

mW

Repetitive peak on-state current

tp=20µs, f=100Hz

2

Amps

Operating junction temperature range

-40 to +125

¡C

Storage temperature range

-40 to +125

¡C

Thermal resistance junction to ambient air

¡C/W

NOTES:

(1) Device on fiberglass substrate, see layout in Fig. 4

.016 (0.4)

.037(0.95) .037(0.95)

.122 (3.1)

.016 (0.4)

.016 (0.4)

1

2

3

Top View

.102 (2.6)

.118 (3.0)

.094 (2.4)

SOT-23

Dimensions in inches and (millimeters)

1/15/99

1

23

Top View

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