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| Thyristor Product Catalog 8 DO-35 DO-214AA Bilateral Trigger Diacs HT and ST Series 8 General Description Teccor's "HT" and "ST" Series of bilateral trigger diacs offers a range of voltage characteristics from 27 to 70 volts. The diac semiconductor is a full-wave or bidirectional thyristor. It is triggered from a blocking-to-conduction state for either polarity of applied voltage whenever the amplitude of applied voltage exceeds the breakover voltage rating of the diac. The Teccor line of diacs features glass-passivated junctions to ensure long term device reliability and parameter stability. Teccor's glass offers a rugged, reliable barrier against junction contamination. The diac specifications listed in this data sheet are for standard products. Special parameter selections such as close tolerance voltage symmetry are available. Please consult the factory for more information for custom design applications. Suffix RP signifies tape-and-reel packing. Example: HT32RP. Features * * * * * * Glass passivated junctions Wide voltage range selections Epoxy SMT package High temperature solder bonded die attachment DO-35 trigger package Pre-tinned leads "ST" Series "HT" Series Teccor Electronics +1 972-580-7777 http://www.teccor.com 8-1 Bilateral Trigger Diacs Thyristor Product Catalog ELECTRICAL CHARACTERISTICS TC = 25C Part No. VBO Breakover Voltage (Forward and Reverse) VBO Breakover Voltage Symmetry VBO = [ | +VBO | - | - VBO | ] Volts DO-214AA DO-35 HT-32 HT-32A / HT-5761 HT-32B / HT-5761A HT-34B HT-35 HT-36A / HT-5762 HT-36B HT-40 HT-60 ST-34B ST-35 ST-36A ST-36B ST-40 MIN 27 28 30 32 30 32 34 35 56 MAX 37 36 34 36 40 40 38 45 70 MAX 3 (1) 2 (1) 2 (1) 2 (1) 3 (1) 2 (1) 2 (1) 3 (1) 4 MIN 10 (2) 7 at 10mA (4) 7 at 10mA (4) 10 (2) 10 (2) 7 at 10mA (4) 10 (2) 10 (2) 20 (2) MAX 25 25 25 25 25 25 25 25 25 MAX 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 1.5 Volts VBB Dynamic Breakback Voltage (3) | V | Volts IBO Peak Breakover Current at Breakover Voltage Amps ITRM Peak Pulse Current for 10s 120 PPS TA 40C Amps General Notes * * Lead solder temperature is +230C max. for 10 seconds max.; 1/16" (1.59mm) from case. See "Package Dimensions" section of this catalog. LOAD UP TO 1500 WATTS 3.3 K TRIAC Q2015L5 200 K 120 VAC 60 Hz G MT1 MT2 Electrical Specification Notes (1) (2) (3) Breakover Voltage symmetry as close as 1.0V is available from factory on these products. See Figures 8.4 and 8.5 for Test Circuit and waveforms. Typical switching time is 900 nano-seconds measured at IPK (see Figure 8.4) across a 20 resistor (see Figure 8.5). Switching time defined as rise time of IPK between the 10% to 90% points. See Figure 8.7. 0.1 F 100 V (4) HT-35 BILATERAL TRIGGER DIAC Bilateral Trigger DIAC Specifications * Maximum Ratings, Absolute-Maximum Values Maximum Trigger Firing Capacitance: 0.1F Device Dissipation (at TA = -40 to +40C): 250mW for DO-35 and 300mW for DO-214AA Derate Above +40C: 3.6mW/C for DO-35 and 3mW/C for DO-214AA * Temperature Ranges Storage: -40C to +125C Operating (Junction): -40C to +125C Figure 8.1 Typical Diac-Triac Full-Wave Phase Control Circuit using Lower Voltage Diacs HT and ST Series Thermal Resistance Junction to Lead - RJL: C/W Junction to Ambient [RJA]: C/W (based on maximum lead temperature of 90C for DO-214AA and 85C for DO-35 devices) Y S DO-35 DO-214AA 100 [278] C/W 65 [200] C/W http://www.teccor.com 8-2 Teccor Electronics +1 972-580-7777 Thyristor Product Catalog Bilateral Trigger Diacs 10 5.0 Repetitive Peak On-State Current (ITRM) - Amps 3.0 2.0 1.0 0.5 0.3 0.2 0.1 0.05 0.03 0.02 .01 .005 .003 .002 .001 1 2 4 6 10 20 40 60 100 200 400 600 1000 2000 4000 10000 PULSE REPETITION RATE =120 pps TA = 40C ST or HT- 32x, -34x, -35, -36x, -40 HT-5761, -5761A, -5762 HT-60 SAFE OPERATING AREA Base Pulse Duration - Microseconds Figure 8.2 Repetitive Peak On-State Current vs Pulse Duration +8 Percentage of VBO Change - % +6 +4 ST or HT- 32x, 34x, 35, 36x, 40 HT-5761, 5761A, 5762 V +V BO C V+ HT-60 +2 0 -VBO 0 t VIL +IPK 0 t -2 -4 -6 0 -40 -20 0 +20 +40 +60 +80 +100 +120 +140 -IPK Junction Temperature (TJ) - C Typical pulse base width is 10Sec. Figure 8.3 Normalized VBO Change vs Junction Temperature Figure 8.4 Test Circuit Waveforms (See Figure 8.5.) Teccor Electronics +1 972-580-7777 http://www.teccor.com 8-3 Bilateral Trigger Diacs Thyristor Product Catalog Current 47 k * 100 k D.U.T. RL VC CT O.1 F -VBO 10mA V Breakover Current IBO IL 120V RMS 60 Hz 20 1% Voltage +VBO Breakover Voltage VBO *Adjust for one firing in each half cycle. D.U.T. = Diac Figure 8.5 Circuit Used to Measure Diac Characteristics (See Figure 8.4.) Figure 8.7 V-I Characteristics 300 Peak Output Current (IPK) - mA 250 200 Per Figure 8.5 with RL of 20 VI CE ) 150 TY PI CA L (35 V DE 100 50 0 .01 .02 .03 .04 .05 .06 .07 .08 .09 .10 Triggering Capacitance (CT) - F Figure 8.6 Peak Output Current vs Triggering Capacitance http://www.teccor.com 8-4 Teccor Electronics +1 972-580-7777 |
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