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Product Detailed Parameters
- Description：DIODE ZENER 17V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：17 V
- Tolerance：±20%
- Power - Max：5 W
- Impedance (Max) (Zzt)：2.5 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 12.2 V
- Operating Temperature：-65°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：T-18, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
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Overview
The Microchip Technology 1N5354E3/TR13 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333-5388B series. It provides voltage regulation at a nominal Zener voltage of 17 volts with a ±5% tolerance, indicated by the 'B' suffix. The device operates within a temperature range of -65°C to +150°C and features an axial-lead package in a void-free transfer molded thermosetting epoxy body meeting UL94V-0 standards. The 'e3' suffix denotes RoHS compliance, while the 'TR13' suffix indicates tape and reel packaging per EIA-296.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses and offers minimal changes in voltage versus current
- Features flexible axial-lead mounting terminals for standard through-hole applications
Applications
- Voltage regulation circuits requiring 5-watt power dissipation
- Power supply reference voltage generation
- Protection against overvoltage conditions in electronic systems
Procurement Notes
Verify that the ordering suffix matches the required specifications: 'B' for ±5% tolerance, 'e3' for RoHS compliance, and 'TR13' for tape and reel packaging. Confirm the manufacturer origin as Microsemi (Scottsdale Division) or its successor entity. Ensure the component meets the specified JEDEC registration standards for the 1N5354B series before procurement.
Selection Notes
Select this component when a 17-volt Zener reference with 5-watt power handling is required. The axial lead configuration suits through-hole PCB designs. Consider thermal derating curves if ambient temperatures exceed 25°C or if mounted on FR4 PC boards without adequate heat sinking. Verify that the ±5% tolerance aligns with circuit requirements.
Part Context
This part belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes. The series covers a wide voltage selection from 3.3 to 200 volts. The 1N5354B variant specifically targets the 17-volt regulation point. The series is characterized by low thermal resistance and high maximum DC current capabilities when adequately heat sunk.
Replacement Considerations
Surface mount equivalents are available in the SMBJ5333 to SMBJ5388B or SMBG5333B to SMBG5388B series. These provide similar electrical characteristics in surface mount packages.
