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CS55B PBFREE
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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)：200 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)：5 µA
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Overview
The CS55B PBFREE is a silicon planar epitaxial fast recovery rectifier manufactured by Central Semiconductor Corp. This component utilizes a passivated junction construction to ensure reliability under demanding conditions. It is designed for high-speed switching applications requiring low reverse leakage current and fast recovery times. The device features a molded epoxy case that meets UL flammability classification 94V-0. Electrical characteristics include a maximum repetitive peak reverse voltage of 50 volts and an average forward rectified current rating suitable for general-purpose rectification in power supply circuits.
Feature Summary
- Fast recovery time capability for efficient high-frequency operation
- Passivated junction construction for enhanced durability
- Molded epoxy case with UL 94V-0 flammability rating
Applications
- High-frequency rectification in switching power supplies
- Free-wheeling diodes in inductive load circuits
- General-purpose fast recovery rectification tasks
Procurement Notes
Verify the specific datasheet version from Central Semiconductor Corp before procurement. Confirm that the PBFREE suffix indicates lead-free compliance as per RoHS directives. Check package dimensions against your PCB footprint requirements. Ensure thermal management strategies align with the device's power dissipation limits during operation.
Selection Notes
Select this component when fast recovery characteristics are required over standard rectifiers. Evaluate the peak inverse voltage requirements to ensure the 50V rating provides adequate margin. Consider the thermal resistance values if operating in enclosed spaces. Compare recovery time specifications against other available options to meet circuit timing constraints.
Part Context
This part belongs to Central Semiconductor's lineup of discrete semiconductor devices. The CS55B series represents their offering in the fast recovery rectifier category. These components are engineered for industrial and commercial electronics where reliability and speed are critical. The manufacturer focuses on providing robust solutions for power conversion applications.
Replacement Considerations
Consult official substitution guides from Central Semiconductor or equivalent manufacturers. Verify electrical parameters such as reverse voltage, forward current, and recovery time match the original design requirements. Ensure pinout compatibility if direct replacement is intended without PCB redesign.
