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Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com Silicon Bilateral Switch BS08D-T112 12/11 Rev. 1 Description: The BS08D-T112 bilateral switch is a silicon planar monolithic integrated circuit with the electrical characteristics of a bilateral thyristor. The device is designed to switch at 7 to 9 volts with a 0.01%/°C temperature coefficient and have excellently matched characteristics in both directions. Features: £ Low Switching Voltage of 7 to 9 Volts £ Excellent Switching Voltage Temperature Characteristics (0.01%/°C) £ High Reliability Devices £ Gate Electrode Facilitating Switching Operation Control and Synchronization Applications: £ Trigger Circuits for Thyristor or Triac, Oscillators, Timers Ordering Information: BS08D-T112 is tape and fancil packaged (2500/box). Outline Drawing and Circuit Diagram Dimension Inches Millimeters A 0.55 Min. 14.0 Min. B 0.12 Max. 3.0 Max. C 0.16 4.0 D 0.39 1 .0 E 0.098 Max. 2.5 Max. Dimension Inches Millimeters F 0.016 0.4 G 0.10 2.5 H 0.018 0.45 J 0.004 0.1 K 0.29 Max. 7 .5 Max. G G D D C BK J H A E T2 TERMINAL GATE T1 TERMINAL CONNECTION DIAGRAM F 13 2

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com BS08D-T112 Silicon Bilateral Switch 2/11 Rev. 1 Absolute Maximum Ratings, Tj = 25°C unless otherwise specified Characteristics Symbol BS08D-T112 Units DC Forward Anode Current IT 175 mA Repetitive Peak Forward Current — 1 .0 Amperes (1% Duty Cycle, 10 µs Pulsewidth), Ta = 100°C Non-repetitive Peak Forward Current (10 µs Pulsewidth) — 2.0 Amperes Power Dissipation PT 450 mW DC Gate Current IG 5 mA Storage Temperature Tstg -55 to 125 °C Operating Temperature Tj -55 to 125 °C Electrical and Mechanical Characteristics, Tj = 25°C unless otherwise specified Characteristics Symbol Test Conditions Min. Typ. Max. Units Switching Voltage VS T a = 25°C 7 8 9 Volts Switching Current IS Ta = 25°C — — 200 µA Holding Current IH T a = 25°C — — 1 .5 mA Off-state Current ID V D = 5V, Ta = 25°C — — 1 .0 µA V D = 5V, Ta = 85°C — — 10 µA Temperature Coefficient of Switching Voltage — Ta = -55 to 85°C — ±0.01 — %/°C Peak On-state Voltage VT I T = 175mA, Ta = 25°C — — 1 .4 Volts Gate Trigger Current IGT V D = 5V, Ta = 25°C 10 — 200 µA Gate Non-trigger Voltage VGD V D = 5V, Ta = 85°C 0.2 — — Volts

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com BS08D-T112 Silicon Bilateral Switch 2/11 Rev. 1 GATE TRIGGER VOLTAGE VS. JUNCTION TEMPERATURE (TYPICAL) HOLDING CURRENT VS. JUNCTION TEMPERATURE (TYPICAL) ON-STATE VOLTAGE VS. JUNCTION TEMPERATURE (TYPICAL) GATE TRIGGER CURRENT VS. JUNCTION TEMPERATURE (TYPICAL) OFF-STATE CURRENT VS. JUNCTION TEMPERATURE (TYPICAL) 101 100 10-1 10-2 -60 -40 -20 0 20 40 60 80 100120140 8.3 8.1 7. 5 7. 7 7. 9 -60 -40 -20 0 20 40 60 80 100120140 320 240 160 -60 -40 -20 0 20 40 60 80 100 TYPICAL DISTRIBUTION VD = 5V VD = 5V IT = 175mA VD = 5V TYPICAL VALUE TYPICAL DISTRIBUTION TYPICAL VALUE TYPICAL DISTRIBUTION TYPICAL DISTRIBUTION TYPICAL VALUE 120140 SWITCHING VOLTAGE VS. JUNCTION TEMPERATURE (TYPICAL) SWITCHING CURRENT VS. JUNCTION TEMPERATURE (TYPICAL) JUNCTION TEMPERATURE, Tj, (°C) JUNCTION TEMPERATURE, Tj, (°C) JUNCTION TEMPERATURE, Tj, (°C) JUNCTION TEMPERATURE, Tj, (°C) JUNCTION TEMPERATURE, Tj, (°C) JUNCTION TEMPERATURE, Tj, (°C) JUNCTION TEMPERATURE, Tj, (°C) OFF-STATE CURRENT, ID, (µA) 1 .30 1 .20 1. 10 1 .00 0.80 0.90 -60 -40 -20 0 20 40 60 80 100120140 0.8 0.6 0.4 0.2 0 20 40 60 80 100 800 600 400 200 -60 -40 -20 0 20 40 60 80 100 160 120 0 20 40 60 80 100 SWITCHING VOLTAGE, VS, (VOLTS) SWITCHING CURRENT, IS, (µA) ON-STATE VOLTAGE, VT, (VOLTS)GATE TRIGGER VOLTAGE, VGT, (VOLTS) HOLDING CURRENT, IH, (µA) GATE TRIGGER CURRENT, IGT, (µA)

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com BS08D-T112 Silicon Bilateral Switch 2/11 Rev. 1 APPLICATION EXAMPLES THYRISTOR TRIGGER CIRCUIT LOAD D 220kΩ 1kΩ 10kΩ 47Ω A A V V CR2AM-8 SBS BS08D R C R2 VT1 +V-V VS1ID1 ID2 IS2 IH2 VT2 VS2 IS1 IH1 G G CR 0.1 µF VR 1MΩAC INPUT 100VAC This circuit is widely used in DC motor control and other control applications. LOAD VR 220KΩ BCR16 HM-8 Triac SBS BS08D 0.1 µF 400WV 100Ω 0.5W 100Ω 0.25W 15Ω 1W C1 0.47 µF 25WV AC INPUT 100VAC This circuit is usable in such applications as lighting control circuits, electric heater control, and other load control applications. EQUIVALENT CIRCUIT CIRCUIT SYMBOLTRIAC TRIGGER CIRCUIT GATE CHARACTERISTICS MEASUREMENT CURCUIT STATIC CHARACTERISTICS