SKPC200-440 Semikron Semikron, SKPC200-440, Thyristor Trigger Module, 32 x 70 x 92mm
Description
Semikron, SKPC200-440, Thyristor Trigger Module, 32 x 70 x 92mm
The product with part number SKPC200-440 (Semikron, SKPC200-440, Thyristor Trigger Module, 32 x 70 x 92mm)
is from company Semikron and distributed with basic unit price 367,03 EUR. Minimal order quantity is 1 pc.
Dimensions32 x 70 x 92mm Mounting TypeScrew Product Details Phase Angle Trigger Module, SKPC 200 series Provides the control signals for an ac load, half controlled B2HZ or a half controlled B2HK single-phase bridge e.g. SKCH 28/08. Integral transformer may be connected to a separate supply allowing the load circuit to operate on a lower voltageOutput gate drive is short circuit protectedBuilt in uncommitted op amp for closed loop controlScrew terminals Input signal range 0-5Vd.c. Input threshold 0·3Vd.c. (typ.) Input signal/firing angle Linear Input impedance 100k min. Output trigger current 1·9A max. (each gate) Off-state dv/dt 5000VΩs min. Auxiliary output 5V @ 20mA Isolation 2500V r.m.s. Operating temperature 0 to +55°C Op-amp input voltage ±10·5V Standards UL 94-V0 Trigger Modules Phase Angle Firing Features In each mains half-cycle the duration of thyristor or triac conduction is determined by the firing instant, relative to mains polarity changeover. Once switched on, the driven thyristors conduct power to the load until the end of each applied half-cycle, resulting in a chopped sine wave output. A ramp and pedestal input circuit, allowing variation of firing phase angle, enables more power through the load with increasing conduction angle. Step changes in load current generate Radio Frequency Interference (RFI). In sensitive applications this interference must be suppressed to comply with the relevant EMC standards or to prevent interaction with other components. This can be achieved by the addition of EMC mains filter networks. In repeating 1 second periods the number of complete mains sine waves is varied in its ON/OFF ratio, or duty cycle. The burst firing circuit provides trigger pulses coincident with the mains zero polarity changeover ensuring only complete half cycles are passed through to the resistive loads. Virtually no Radio Frequency Interference (RFI) is produced. Burst Firing Features
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