IDB31 Datasheet, PDF (1/3 Pages) General Semiconductor – PLANAR SILICON BIDIRECTIONAL TRIGGER DIODE

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IDB31
PLANAR SILICON BIDIRECTIONAL TRIGGER DIODE
SOT-23
.122 (3.1)
.118 (3.0)
.016 (0.4)
3
Top View
1
2
.037(0.95) .037(0.95)
FEATURES
¨ Intend for use in triac and thyristors circuits
¨ VBO: 30V to 34V
¨ 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
.016 (0.4) .016 (0.4)
.102 (2.6)
.094 (2.4)
1
Top View
2
3
Dimensions in inches and (millimeters)
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).
Power dissipation
Repetitive peak on-state current
tp=20µs, f=100Hz
Operating junction temperature range
at tp < 1 s, Tamb = 25 ¡C
Storage temperature range
Thermal resistance junction to ambient air
SYMBOL
Ptot
ITRM
TJ
TS
RthA
VALUE
150 (NOTE 1)
2
-40 to +125
-40 to +125
400 (NOTE 1)
UNIT
mW
Amps
¡C
¡C
¡C/W
NOTES:
(1) Device on fiberglass substrate, see layout in Fig. 4
1/15/99