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1N4750CP/TR12
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Product Detailed Parameters
- Description：DIODE ZENER 27V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：27 V
- Tolerance：±2%
- Power - Max：1 W
- Impedance (Max) (Zzt)：35 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 20.6 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 1N4750CP/TR12 is a silicon Zener diode with a nominal voltage of 27V and a 2% tolerance. It operates in the DO-41 axial lead package, dissipating up to 1W at 25°C. The device features a maximum reverse current of 5µA and a dynamic impedance of 35 Ohms at a test current of 9.5mA. It supports an operating temperature range from -65°C to +150°C and includes tape-and-reel packaging.
Feature Summary
- Provides precise voltage regulation with tight 2% tolerance for sensitive circuitry
- Utilizes plastic encapsulation offering low thermal resistance compared to glass-body options
- Features flexible axial-lead terminals suitable for standard through-hole mounting
Applications
- Voltage reference circuits requiring stable DC levels
- Overvoltage protection in power supply inputs
- Clamping applications in signal processing paths
Procurement Notes
Verify that the specific part number matches the required tolerance suffix 'C' for 2% accuracy. Confirm the 'TR' suffix indicates tape-and-reel packaging rather than bulk. Ensure the manufacturer designation aligns with current Microchip or Microsemi sourcing channels as corporate structures evolve.
Selection Notes
Select this component when a 27V regulation point is needed with high precision. The 1W power rating allows operation in moderate current environments without excessive heat sinking. The DO-41 package provides robust mechanical stability for industrial applications where vibration resistance is necessary.
Part Context
This device belongs to the 1N4728A through 1N4764A series of 1-watt Zener diodes. The series covers a wide voltage range from 3.3V to 100V. The 'P' suffix denotes plastic construction, while 'C' specifies the tighter 2% voltage tolerance band available within this family.
Replacement Considerations
Equivalent parts include 1N4750A (5% tolerance) or 1N4750AGe3 (RoHS compliant). Surface mount alternatives are SMAJ4750A or MLL4750A. Verify thermal derating requirements match the new component's specifications.
