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1N4688 TR TIN/LEAD
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Product Detailed Parameters
- Description：4.7V 500MW TH DIODE-ZENER SINGLE
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：4.7 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：10 µA @ 3 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 1N4688 TR TIN/LEAD is a single Zener diode manufactured by Central Semiconductor Corp, designed for through-hole mounting in DO-35-2 packages. It features a nominal Zener voltage of 4.7 V with a tolerance of ±5% and a power dissipation rating of 500 mW. The device operates within a temperature range of -65°C to +200°C and exhibits a maximum reverse leakage current of 10 µA at a reverse voltage of 3 V. It is supplied in tape and reel packaging.
Feature Summary
- Through-hole construction in DO-35-2 package
- Tin/lead plating finish
- High operating temperature capability up to 200°C
Applications
- Voltage regulation circuits
- Reference voltage sources
- Overvoltage protection
Procurement Notes
Verify the specific ordering suffix 'TIN/LEAD' to ensure compliance with material requirements. Confirm that the 'TR' designation indicates tape and reel packaging rather than bulk supply. Cross-reference the manufacturer part number with distributor codes to ensure accurate component identification during procurement.
Selection Notes
Select this component when a 4.7 V Zener reference is required in high-temperature environments. The DO-35-2 form factor suits standard through-hole assembly processes. Ensure the 500 mW power rating meets the circuit's thermal dissipation needs under all operating conditions.
Part Context
This part belongs to the 1N4688 series of Zener diodes from Central Semiconductor. The series offers various voltage options within the DO-35 package family. The tin/lead variant addresses specific regulatory or legacy manufacturing requirements distinct from lead-free alternatives.
Replacement Considerations
Substitute parts must match the 4.7 V Zener voltage, 500 mW power rating, and DO-35 package outline. Verify compatibility with existing PCB footprints and thermal management strategies before implementation.
