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1N4734A BK TIN/LEAD
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Product Detailed Parameters
- Description：TH DIODE-ZENER SINGLE: STANDARD
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Box
- Voltage - Zener (Nom) (Vz)：5.6 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：5 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 2 V
- Operating Temperature：-65°C ~ 200°C (TJ)
- 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 1N4734A BK TIN/LEAD is a silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 5.6 V with a standard tolerance of ±5%. The device is rated for a power dissipation of 1 W and utilizes the DO-41 axial through-hole package. Key electrical characteristics include a maximum reverse leakage current of 5 µA and a Zener impedance of 20 Ω at a test current of 4 mA. It operates within a temperature range of -65 °C to +200 °C.
Feature Summary
- Glass passivated die construction for enhanced reliability
- Low inductance design suitable for high-frequency circuits
- High thermal stability with extended operating temperature range
Applications
- Industrial voltage regulation
- Commercial power supply protection
- Computer circuit voltage reference
Procurement Notes
Verify that the specific ordering suffix matches the required lead-free or tin/lead terminal finish, as this affects RoHS compliance status. Confirm the package type is DO-41 and the voltage rating is 5.6 V. Ensure the manufacturer is identified as Central Semiconductor Corp to guarantee component authenticity and datasheet alignment.
Selection Notes
Select this component when a 5.6 V Zener reference with 1 W power handling is required in an axial package. Consider the 20 Ω impedance and 5 µA leakage for precision requirements. Verify compatibility with the target PCB layout for DO-41 mounting and ensure the operating environment stays within the specified thermal limits.
Part Context
This part belongs to the 1N47 series of silicon Zener diodes manufactured by Central Semiconductor. The series covers a wide voltage range from 3.3 V to 100 V with consistent 1 W power ratings. These components are widely used in general-purpose electronics for overvoltage protection and stable voltage referencing.
Replacement Considerations
Cross-reference with other manufacturers' 1N4734A parts for pin-compatible substitution. Verify that alternative sources offer identical 5.6 V Zener voltage, 1 W power rating, and DO-41 package dimensions to maintain circuit integrity.
