TECHNICAL SPECIFICATIONS OF BIDIRECTIONAL DIODE THYRISTORS (DIACS)
DC COMPONENTS CO., LTD.
R
DB3 THRU DB4
RECTIFIER SPECIALISTS
TECHNICAL SPECIFICATIONS OF BIDIRECTIONAL DIODE THYRISTO...
Description
DC COMPONENTS CO., LTD.
R
DB3 THRU DB4
RECTIFIER SPECIALISTS
TECHNICAL SPECIFICATIONS OF BIDIRECTIONAL DIODE THYRISTORS (DIACS)
FEATURES
* Glass passivalted three-layer for triggering thyristors. * Low breakover current at breakover voltage. * For use in thyristor phase-control circuit for lampdimming, universal-motor speed control and heat controls.
DO-35
MECHANICAL DATA
* Case: Glass sealed case * Lead: MIL-STD-202E, Method 208 guaranteed * Mounting position: Any * Weight: 0.15 gram
25.0MIN 0.52Ø
4.2MAX 2.0MAX
25.0MIN
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in millimeters
PARAMETERS
SYMBOL
DB3 28
DB4 35 40 45 3 5 100 2.0
UNITS VOLT Min Typ Max VOLT Max VOLT Min uA Max AMP Max
Breakover Voltage
+VBO, -VBO
32 36
Breakover Voltage Symmetry Dynamic Breakback Voltage Breakover Current Peak Pulse Current for 10uS, 120pps, TA<=40 o C
(+VBO)-(-VBO) VBO - VBR +IBO, -IBO IP
3 5 100 2.0
156
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RATING AND CHARACTERISTIC CURVES ( DB3 THRU DB4 )
FIG.1-V-I CHARACTERISTICS CURRENT 2.0 1.0 0.7 0.5 0.3 0.2 0.1 .07 .05 .03 .02 .01 .007 .005 .003 .002 .001
FIG.2-REPETITIVE PEAK ON-STATE CURRENT VS PULSE DURATION PULSE REPEAT ON RATE =120 PPS Tz=400C
BREAKOVER VOLTAGE
D28 32 35 40&50 D60
+5mA +IBo -VBo -VBR -IBo -5mA +VBR +VBo VOLTAGE
SAFE OPERATING AREA
10...
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