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CS55BZ TIN/LEAD
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Product Detailed Parameters
- Description：.8A 200V TH SCR
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Box
- Voltage - Off State：200 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：20 µA
- Current - Hold (Ih) (Max)：5 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：10A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Voltage - On State (Vtm) (Max)：1.7 V
- Current - On State (It (AV)) (Max)：1:00 AM
- Current - On State (It (RMS)) (Max)：800 mA
- Current - Off State (Max)：1 µA
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Overview
The CS55BZ TIN/LEAD is a Silicon Controlled Rectifier (SCR) manufactured by Central Semiconductor. It features a rated repetitive off-state voltage (VDRM) of 200 V and an off-state leakage current of 100 uA at VDRM. The device supports an RMS on-state current (It RMS) of 800 mA and a non-repetitive peak on-state current of 10 A. Electrical characteristics include a forward voltage (Vf) of 1.7 V, a gate trigger voltage (Vgt) of 800 mV, and a gate trigger current (Igt) of 20 uA. The maximum holding current (Ih) is 5 mA. The component operates within a temperature range of -40 C to +125 C and utilizes a TO-92-3 through-hole package.
Feature Summary
- Provides reliable switching capability with a 200 V blocking voltage rating for low-voltage AC control applications.
- Features low gate trigger requirements, facilitating easy interfacing with standard logic circuits.
- Designed for robust operation across a wide industrial temperature range from -40 C to +125 C.
Applications
- Lighting control systems requiring phase-angle firing
- Solid-state relays for low-power AC loads
- Battery charger circuits for small appliances
Procurement Notes
Verify the specific suffix designation upon ordering, as the provided reference indicates a tin/lead finish which may differ from standard lead-free variants. Confirm RoHS compliance status directly with the manufacturer or authorized distributors, as environmental declarations vary by production batch and packaging type. Ensure the procurement channel provides valid traceability documentation for quality assurance purposes.
Selection Notes
Select this component when a low-current SCR with a 200 V rating is required in a compact TO-92 package. Verify that the load current does not exceed the 800 mA RMS limit without adequate heat sinking. Consider the 20 uA gate trigger current when designing the drive circuit to ensure sufficient signal strength for reliable turn-on under all operating conditions.
Part Context
This part belongs to the CS55 series of silicon controlled rectifiers from Central Semiconductor. The series offers various voltage ratings and current capacities packaged in standard through-hole formats suitable for general-purpose power switching. The CS55BZ specifically targets applications needing moderate voltage blocking with minimal gate drive power.
Replacement Considerations
Consult official substitution guides for equivalent SCRs with matching 200 V VDRM and TO-92-3 packaging. Verify pinout compatibility and thermal characteristics before implementing any cross-brand replacement to ensure circuit integrity.
