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1N4757CPE3/TR8
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Product Detailed Parameters
- Description：DIODE ZENER 51V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：51 V
- Tolerance：±2%
- Power - Max：1 W
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 38.8 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 1N4757CPE3/TR8 is a silicon Zener diode rated at 1.0 watts, housed in a DO-204AL (DO-41) plastic axial-lead package. It provides a nominal Zener voltage of 51 volts with a tight tolerance of ±2%, indicated by the 'C' suffix. The device features a maximum dynamic impedance of 95 ohms and a maximum reverse current of 5 µA at a test voltage of 38.8 V. It operates within a temperature range of -65°C to +150°C and includes RoHS compliance via the 'e3' suffix.
Feature Summary
- Provides precise voltage regulation with a tight ±2% tolerance on the nominal Zener voltage.
- Features a void-free transfer molded thermosetting epoxy body that meets UL94V-0 standards.
- Offers flexible axial-lead mounting terminals suitable for standard through-hole applications.
- Includes RoHS compliant annealed matte-Tin plating on terminals for solderability.
Applications
- Voltage regulation circuits requiring stable reference voltages
- Protection against overvoltage conditions in electronic systems
- Clamping applications in signal processing paths
Procurement Notes
Verify the specific ordering suffixes to confirm the exact electrical tolerances and packaging format required for your design. Ensure compatibility with the manufacturer's current datasheet specifications regarding thermal resistance and power derating curves before finalizing procurement orders.
Selection Notes
Select this component when a 51-volt reference with high precision is needed in a standard axial package. The plastic construction offers lower thermal resistance compared to glass-body options, while the tight tolerance ensures stability across varying operating currents and temperatures.
Part Context
This part belongs to the 1N4728AP thru 1N4764AP series of 1.0-watt Zener diodes manufactured by Microsemi/Microchip. The series covers a voltage selection from 3.3 to 100 volts, utilizing JEDEC registered numbering conventions for standardized identification across various industrial and commercial applications.
Replacement Considerations
Equivalent parts include 1N4757CPTR and 1N4757APE3TR8, which share similar electrical characteristics and packaging formats within the same product family.
