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1N4708 TR TIN/LEAD
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Product Detailed Parameters
- Description：22V 500MW TH DIODE-ZENER SINGLE:
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：22 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：10 nA @ 16.7 V
- Operating Temperature：-65°C ~ 200°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 100 mA
- Grade：-
- Qualification：-
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Overview
The Central Semiconductor Corp 1N4708 TR TIN/LEAD is a silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 22 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +175°C junction temperature. Packaged in the DO-7 (DO-204AA) axial through-hole format, it utilizes tin/lead terminations. Key electrical characteristics include a reverse leakage current of 10 nA at 16.7 V and a forward voltage of 1.1 V at 200 mA.
Feature Summary
- Provides stable voltage regulation with a nominal 22 V Zener breakdown.
- Capable of operating reliably across an extended temperature range up to 175°C junction temperature.
- Utilizes a standard DO-7 axial through-hole package for easy circuit board integration.
Applications
- Voltage reference circuits requiring precise 22 V stabilization.
- Overvoltage protection stages in low-power electronic systems.
- General-purpose voltage regulation in industrial control equipment.
Procurement Notes
Verify that the specific ordering suffix corresponds to the tape-and-reel packaging configuration rather than bulk or other formats. Confirm that the tin/lead lead finish meets the environmental compliance requirements of the target assembly process. Ensure the component's 500 mW power rating aligns with the thermal management design of the final application to prevent overheating during continuous operation.
Selection Notes
Select this component when a 22 V Zener voltage is required with high-temperature resilience up to 175°C. The DO-7 package is suitable for through-hole mounting techniques. Consider the ±5% voltage tolerance and 500 mW power dissipation limits to ensure compatibility with the circuit's current and thermal constraints. Verify that the tin/lead termination style is acceptable for the soldering process used.
Part Context
This part belongs to the 1N47xx series of Zener diodes manufactured by Central Semiconductor. These devices are widely utilized in discrete semiconductor applications where reliable voltage clamping and regulation are necessary. The 1N4708 variant specifically targets the 22 V market segment, offering a balance of performance and cost-effectiveness for general electronics manufacturing.
Replacement Considerations
Cross-reference with other manufacturers' 1N4708 equivalents to verify pinout compatibility and electrical parameter matching. Ensure substitute parts maintain the same DO-7 package dimensions and 22 V nominal voltage tolerance.
