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1N4752CPE3/TR12
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Product Detailed Parameters
- Description：DIODE ZENER 33V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：33 V
- Tolerance：±2%
- Power - Max：1 W
- Impedance (Max) (Zzt)：45 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 25.1 V
- Operating Temperature：-65°C ~ 150°C
- 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 Microchip Technology 1N4752CPE3/TR12 is a silicon 1.0-watt Zener diode in a plastic DO-41 axial package. It provides voltage regulation with a nominal Zener voltage of 33V and a tight tolerance of ±2%. The device operates within a temperature range of -65°C to +150°C, featuring a maximum dynamic impedance of 45 ohms at a test current of 7.5 mA. It includes RoHS compliance via the e3 suffix and tape-and-reel packaging.
Feature Summary
- Provides precise voltage regulation with a ±2% tolerance for stable circuit performance
- Utilizes a void-free transfer molded thermosetting epoxy body for durability
- Offers flexible axial-lead mounting terminals suitable for through-hole applications
- Ensures reliability with moisture classification Level 1 requiring no dry pack
Applications
- Voltage regulation over broad operating current and temperature ranges
- Reference voltage sources in electronic circuits
- Protection against voltage transients and spikes
Procurement Notes
Verify that the ordering suffix matches the required specifications. The 'e3' suffix indicates RoHS compliance and matte-tin plating. Confirm the 'TR' suffix corresponds to the tape-and-reel packaging format. Ensure the 'C' designation aligns with the necessary ±2% voltage tolerance requirements for your specific design application.
Selection Notes
Select this component when a 33V reference with high precision is required. The plastic construction offers lower thermal resistance compared to glass-body options. Consider the 1W power dissipation rating and the specific test current of 7.5 mA during circuit design. Verify compatibility with the DO-41 footprint and lead spacing for PCB integration.
Part Context
This part belongs to the 1N4728AP thru 1N4764AP series of 1.0-watt Zener diodes manufactured by Microsemi (now Microchip Technology). The series covers a voltage selection from 3.3 to 100 volts. The 'P' suffix denotes plastic encapsulation, while the 'C' suffix specifies the tighter 2% voltage tolerance variant within this family.
Replacement Considerations
Equivalent parts include other 1N4752 variants with matching 33V ratings and ±2% tolerances. Surface mount equivalents are available as SMAJ4752A or MLL4752A. Glass-body versions like 1N4752G exist but differ in thermal characteristics.
