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CS55DZ PBFREE
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Product Detailed Parameters
- Description：.8A 400V TH SCR
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Box
- Voltage - Off State：400 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 CS55DZ PBFREE is a silicon controlled rectifier (SCR) manufactured by Central Semiconductor Corp. It features a maximum repetitive off-state voltage of 400V and an RMS on-state current rating of 800mA. The device is housed in a TO-92-3 through-hole package with a lead-free finish. Key electrical characteristics include a non-repetitive peak on-state current of 10A, a gate trigger voltage of 800mV, and a gate trigger current of 20µA. It operates within a junction temperature range of -40°C to +125°C.
Feature Summary
- Epoxy molded silicon construction for robust environmental protection
- Through-hole mounting configuration compatible with standard PCB layouts
- Lead-free packaging compliant with RoHS3 specifications
Applications
- General purpose AC power control circuits
- Lighting dimmer applications
- Motor speed control systems
- Thermostat switching mechanisms
Procurement Notes
Verify the specific suffix designation against the manufacturer's official documentation to confirm lead-free status and package variant accuracy. Ensure that the procurement channel provides valid traceability records consistent with Central Semiconductor Corp standards. Cross-reference the part number with current datasheets to confirm availability of assembly location change notices or recent product change notifications prior to finalizing supply agreements.
Selection Notes
Select this component when a 400V blocking capability and 800mA continuous current handling are required in a compact through-hole form factor. Consider the 10A surge capacity for transient load conditions. Evaluate the thermal management requirements based on the 800mA RMS rating and the specified operating temperature range to ensure reliable performance in the target application environment.
Part Context
This SCR belongs to the CS55 series from Central Semiconductor Corp, designed for general-purpose thyristor applications. The series utilizes epoxy molding for durability. The CS55DZ variant specifically denotes the 400V rating within this family, distinguishing it from lower voltage options like the CS55BZ. It serves as a fundamental switching element in low-to-medium power electronic designs.
Replacement Considerations
Direct substitutes must match the 400V VDRM, 800mA IT(RMS), and TO-92-3 package dimensions. Verify equivalent gate trigger parameters and thermal characteristics. Consult manufacturer cross-reference guides for approved alternative part numbers with identical electrical profiles.
