IDB31 GE | Alldatasheet
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Technical content
PLANAR SILICON BIDIRECTIONAL TRIGGER DIODE
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 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 P tot 150 (NOTE 1) mW Repetitive peak on-state current tp=20µs, f=100Hz ITRM 2 Amps Operating junction temperature range at tp < 1 s, Tamb = 25 ¡C TJ -40 to +125 ¡C Storage temperature range T S -40 to +125 ¡C Thermal resistance junction to ambient air R thA 400 (NOTE 1) ¡C/W NOTES: (1) Device on fiberglass substrate, see layout in Fig. 4 .016 (0.4) .056 (1.43) max. .004 (0.1) .122 (3.1) 1 2 T op View .102 (2.6) .007 (0.175) .045 (1.15) .118 (3.0) .052 (1.33) .005 (0.125) .094 (2.4) .037 (0.95) SOT-23 Dimensions in inches and (millimeters) 1/15/99 Top View NEW PRODUCT NEW PRODUCT NEW PRODUCT
ELECTRICAL CHARACTERISTICS
at Tj = 25 ¡C, unless otherwise specified; electrical characteristics applicable in both, forward and reverse direction SYMBOL MIN. TYP. MAX. UNIT Breakover Voltage see Fig. 1 VBO 30 32 34 Volts Breakover Voltage Symmetry see Fig. 1 ½VBO1½-½VBO2½ - - ±2 Volts Dynamic Breakback Voltage (IBO to IF=10mA), see Fig. 1 ½DV½ 5 8 - Volts Output Voltage see Fig. 2 VO 5 - - Volts Breakover Current see Fig. 1 IBO 42 0 5 0 mA Rise time see Fig. 3 tr - 100 - ns Leakage current VB=0,5·VBO max. I B - - 0.5 mA see Fig. 1 10mA IBO -IF +IF IB VBO VBO1 VBO2 +V-V DV 0.5 FIG. 1 - CURRENT-VOLTAGE CHARACTERISTICS
RATINGS AND CHARACTERISTIC CURVES IDB31 0.59 (15) 0.2 (5) 0.03 (0.8) 0.30 (7.5) 0.12 (3) .04 (1) 0.06 (1.5) 0.20 (5.1) .08 (2) .08 (2) .04 (1) 0.47 (12) FIG. 4 - Layout for Rth test Dimensions in mm Thickness: Fiberglass 1.5mm Cu leads 0.3mm IDB31 10k½ 220V 50H 500k½ R=20½ 0.1mF IP z VO 90% 10% IP Ir 200 100 150 0 100 200 Tamb (¡C) Ptot (mW) FIG. 2 - TEST CIRCUIT FIG. 3 - TEST CIRCUIT SEE FIG. 1 ADJUST R FOR IP=0.5A FIG. 5 - ADMISSIBLE POWER DISSIPATION VERSUS AMBIENT TEMPERATURE Ta VBO FIG. 6 - RELATIVE VARIATION OF VBO vs. Tj 25¡C 50¡C 75¡C 100¡C 125¡C