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1N4699 BK TIN/LEAD
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Product Detailed Parameters
- Description：12V 500MW TH DIODE-ZENER SINGLE:
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Box
- Voltage - Zener (Nom) (Vz)：12 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：50 nA @ 9.1 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 1N4699 BK TIN/LEAD is a single Zener diode designed for through-hole mounting in the DO-35-2 package. It features a nominal Zener voltage of 12 V with a 5% tolerance and a power dissipation rating of 500 mW. Key electrical parameters include a maximum reverse leakage current of 0.05 µA, a Zener impedance of 20.4 Ω, and a test current of 5 mA. The device operates within a temperature range of -65 °C to +200 °C and supports a forward current of 100 mA.
Feature Summary
- Provides stable voltage regulation via Zener breakdown characteristics
- Capable of handling high operating temperatures up to 200 °C
- Features low reverse leakage current for precision applications
Applications
- Voltage reference circuits
- Overvoltage protection
- Clipping and clamping circuits
Procurement Notes
Verify the specific ordering suffix matches the required lead time and packaging format. Confirm that the tin/lead plating complies with project material specifications. Ensure the DO-35-2 footprint aligns with the PCB design. Cross-reference the manufacturer part number with distributor catalogs to confirm availability and authenticity before finalizing procurement plans.
Selection Notes
Select this component when a 12 V regulation point is required in a compact through-hole assembly. The 500 mW power rating suits moderate current applications. Consider the 200 °C maximum junction temperature for high-thermal environments. Verify that the 5% voltage tolerance meets the circuit's accuracy requirements compared to tighter tolerance alternatives.
Part Context
This component belongs to the standard 1N46xx series of axial leaded Zener diodes manufactured by Central Semiconductor. These devices are widely used in general-purpose electronics for basic voltage stabilization tasks. The DO-35 package provides a reliable mechanical connection for automated or manual insertion processes in various electronic assemblies.
Replacement Considerations
Equivalent parts include the 1N4742A from other manufacturers, which shares the 12 V, 500 mW specification. Verify pinout compatibility and thermal resistance values when substituting. Ensure the replacement device meets the same 5% voltage tolerance and leakage current limits.
