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DB3

Dc Components
Part Number DB3
Manufacturer Dc Components
Description TECHNICAL SPECIFICATIONS OF BIDIRECTIONAL DIODE THYRISTORS (DIACS)
Published Mar 27, 2005
Detailed Description DC COMPONENTS CO., LTD. R DB3 THRU DB4 RECTIFIER SPECIALISTS TECHNICAL SPECIFICATIONS OF BIDIRECTIONAL DIODE THYRISTO...
Datasheet PDF File DB3 PDF File

DB3
DB3

Overview
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 NEXT BACK NEXT EXIT BACK 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 10 100 1000 10,000 FIG.
3-NORMALIZED VBO CHANGE VS JUNCTION TEMPERATURE +8 FIG.
4-TEST CIRCUIT WAVE FORMS (SEE FIG.
5) +V(BO) +6 D28 +4 +2 0 -2 -4 -6 -8 -40 -20 0 +20 +40 +60 +80 +100 +120 +140 -IP +IP D60 32 35 40 50 0 -V(BO) aV+ t aV- 0 t FIG.
5-CIRCUIT USED TO MEASURE DIAC CHARACTERISTICS RF D.
U.
T.
200Ω 0.
1u f 1% Vc 120V RMS 60Hz *ADJUST FOR ONE FIRING IN HALF CYCLE DC COMPONENTS CO.
, LTD.
R 157 NEXT NEXT BACK BACK EXIT EXIT ...


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