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1N4702 BK TIN/LEAD
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Product Detailed Parameters
- Description：15V 500MW TH DIODE-ZENER SINGLE:
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Box
- Voltage - Zener (Nom) (Vz)：15 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：50 nA @ 11.4 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 1N4702 BK TIN/LEAD is a single Zener diode manufactured by Central Semiconductor Corp, housed in a DO-35-2 through-hole package. It features a nominal Zener voltage of 15 V with a tolerance of ±5%. The device has a maximum power dissipation of 500 mW and operates within a temperature range of -65 °C to +200 °C. Key electrical characteristics include a maximum reverse leakage current of 50 nA at 11.4 V and a maximum forward voltage of 1.5 V at 100 mA.
Feature Summary
- Provides stable voltage regulation via Zener breakdown mechanism
- Capable of operation in extreme thermal environments up to 200 °C
- Utilizes tin/lead plating for reliable soldering connections
Applications
- Voltage reference circuits requiring 15 V stability
- Overvoltage protection in low-power electronic systems
- Clamping applications in signal processing paths
Procurement Notes
Verify the specific ordering suffix (BK TIN/LEAD) against the manufacturer's latest datasheet to confirm lead-free or tin/lead composition requirements. Ensure the DO-35-2 package dimensions match your PCB footprint constraints. Confirm that the 500 mW power rating is sufficient for your circuit's thermal management strategy under all operating conditions.
Selection Notes
Select this component when a 15 V Zener voltage is required in a standard axial leaded package. The high maximum operating temperature of 200 °C makes it suitable for harsh industrial environments. Compare the 500 mW power dissipation limit against peak load currents to ensure safe operation without derating issues.
Part Context
This part belongs to the 1N47xx series of Zener diodes from Central Semiconductor. These components are widely used for general-purpose voltage regulation. The 1N4702 specifically denotes the 15 V variant within this established product line, offering a balance of performance and cost-effectiveness for discrete diode applications.
Replacement Considerations
Check for equivalents such as 1N4702A or other manufacturers' 1N4702 variants. Verify that substitute parts maintain the same 15 V Zener voltage, ±5% tolerance, and DO-35 package compatibility. Ensure thermal and electrical ratings meet or exceed the original specifications.
