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1N4761A TR
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Product Detailed Parameters
- Description：DIODE ZENER 75V 1W DO41
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：75 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：175 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 56 V
- Operating Temperature：-65°C ~ 200°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Central Semiconductor Corp 1N4761A TR is a silicon Zener diode designed for voltage regulation in industrial and commercial applications. It features a nominal Zener voltage of 75 V with a 5% tolerance, tested at a current of 3.3 mA. The device operates within the DO-41 axial package and dissipates up to 1.0 W at 50°C ambient temperature. Maximum reverse current is specified at 5.0 μA, while maximum DC current reaches 56.0 mA. The component supports junction temperatures from -65°C to +200°C.
Feature Summary
- Provides stable voltage regulation using silicon Zener technology
- Features a glass body encapsulated in an axial DO-41 case
- Includes built-in strain relief for mechanical durability
Applications
- Industrial equipment voltage regulation
- Commercial power supply circuits
- Computer system protection
Procurement Notes
Verify availability status carefully as this part has been transitioned to End of Life (EOL) by the manufacturer. Last purchase orders were scheduled six months from the notice date, with final shipments occurring twelve months after notification. Confirm if stock-only units are available through authorized distributors or if alternative sourcing strategies are required due to discontinued production.
Selection Notes
Select this component only if legacy compatibility with the 1N4761A specification is strictly required. Note that the standard suffix indicates tape-and-reel packaging. Evaluate thermal management requirements given the 1.0 W dissipation limit and ensure the operating environment remains within the specified -65°C to +200°C junction temperature range for reliable performance.
Part Context
This device belongs to the 1N4728A through 1N4764A series of 1-watt silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a voltage range from 3.3 V to 100 V with consistent 5% tolerance across all variants. These components utilize the DO-41 glass axial package and are engineered for high reliability in demanding electronic environments.
Replacement Considerations
No direct replacement part numbers are listed by the manufacturer for this specific item. The datasheet explicitly states N/A for replacements, indicating that no equivalent product is currently offered by Central Semiconductor Corp. Users must seek alternate sources or redesign circuits using other manufacturers' equivalents.
