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SCR Trigger KJ008 as zero trigger application of zero current circuit

Zero Trigger KJ008 SCR triac switching process can make the power supply voltage or current zero moment is zero trigger. Thus, the load transient inrush current and radio frequency interference minimum, the service life of SCR can be improved. The circuit can be used for temperature control thermostat, single or three phase motors and electrical non-contact switch, AC non-contact switch, communication devices such as light shining in the trigger used for retail. Since the students inside the circuit DC power supply, can be directly connected to AC mains voltage. The trigger circuit with zero voltage, zero current trigger, the output current and other characteristics. Electrical parameters: Supply voltage: a. External DC voltage (12 ~ 16) V. b. DC supply voltage from the students: (12 ~ 14) V. Supply current: = l2mA. Zero input-side peak current: 8mA. Output pulse: a. Pulse amplitude: 13V. b. Maximum output capacity: 50mA (pulse width of 400µs or less), can be extended. C. Output back pressure: BVceo = 18V (test conditions: Ie = loopA). Input control voltage sensitivity: l00mV, 300mV, 500mV. Zero current detection output amplitude: = 8V. Ambient temperature is four: C: 0 ~ 70 ? R: -55 ~ 85 ? E: -40 ~ 85 ? M: -55 ~ 125 ? KJ008 l4 pin dual in-line package, as shown.

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SCR Trigger KJ008 as zero trigger application of zero current circuit