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Product Detailed Parameters
- Description：SCR 7.4A 100V TO-64
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Box
- Voltage - Off State：100 V
- Voltage - Gate Trigger (Vgt) (Max)：2 V
- Current - Gate Trigger (Igt) (Max)：15 mA
- Current - Hold (Ih) (Max)：25 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：60A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-65°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Stud Mount
- Package / Case：TO-208AB, TO-64-3, Stud
- Supplier Device Package：TO-64
- Voltage - On State (Vtm) (Max)：1.8 V
- Current - On State (It (AV)) (Max)：4.7 A
- Current - On State (It (RMS)) (Max)：7.4 A
- Current - Off State (Max)：9 mA
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Overview
The Central Semiconductor Corp 2N1772A is a silicon controlled rectifier (SCR) from the 2N1772A series. It is a reverse blocking triode thyristor designed for low power switching and phase control applications. The device features an 8-ampere current rating with voltage options ranging from 100 to 400 volts. Key electrical parameters include a maximum DC gate trigger current of 15 mA, a maximum DC gate trigger voltage of 1.5 V, and a maximum holding current of 50 mA. The component supports a non-repetitive peak on-state current of 60 A and operates within a temperature range of -65 °C to 155 °C.
Feature Summary
- Reverse blocking triode thyristor construction
- Designed for low power switching applications
- Suitable for phase control circuits
Applications
- Low power switching
- Phase control
- General purpose SCR applications
Procurement Notes
Verify the specific voltage rating required, as the series covers 100 through 400 volts. Confirm compliance status, noting that some listings indicate non-Rohs certification. Ensure the TO-64 package type matches the mechanical requirements. Cross-reference datasheets to confirm exact thermal characteristics and gate trigger specifications for the specific sub-model variant.
Selection Notes
Select this component for applications requiring reliable low-power thyristor switching. Consider the 8 A current rating and available voltage ratings between 100 V and 400 V. Evaluate the gate trigger requirements against the circuit design. The wide operating temperature range supports use in demanding environments. Verify compatibility with existing PCB layouts due to the stud mount package style.
Part Context
The 2N1772A belongs to a series of silicon controlled rectifiers manufactured by Central Semiconductor Corp. This series includes related models such as the 2N1774A, 2N1776A, and 2N1777A. These devices are industry-standard thyristors intended for robust hardware requirements. The series provides consistent performance characteristics across different voltage ratings within the same product family.
Replacement Considerations
The Solid State Inc. 2N1776 is documented as an industry-standard alternative to the Central Semiconductor 2N1772A. Both are thyristors designed to meet rigorous hardware requirements. Verify pinout and electrical specifications before substitution.
