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1N4475 - Microchip

Description: Zener Diodes 27 V Voltage Regulator

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1N4475 - Microchip - PCB symbol
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PCB Footprints
1N4475 - Microchip PCB footprint - Diodes, Axial Diameter Horizontal Mounting - Diodes, Axial Diameter Horizontal Mounting - DO-41
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1N4475 Details

  • Manufacturer Part Number:

    1N4475

  • Part Life Cycle Code:

    Active

  • Package Description:

    HERMETIC SEALED, GLASS PACKAGE-2

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Factory Lead Time:

    37 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    23

  • Additional Feature:

    METALLURGICALLY BONDED

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    ZENER DIODE

  • JEDEC-95 Code:

    DO-41

  • JESD-30 Code:

    O-LALF-W2

  • JESD-609 Code:

    e0

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    175 °C

  • Operating Temperature-Min:

    -65 °C

  • Package Body Material:

    GLASS

  • Package Shape:

    ROUND

  • Package Style:

    LONG FORM

  • Polarity:

    UNIDIRECTIONAL

  • Power Dissipation-Max:

    1.5 W

  • Reference Voltage-Nom:

    27 V

  • Surface Mount:

    NO

  • Technology:

    ZENER

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

  • Voltage Tol-Max:

    5%

  • Working Test Current:

    9.5 mA

1N4475 Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the 1N4475 is -40°C to +125°C, although it can withstand storage temperatures from -65°C to +150°C.
  • To ensure proper biasing, connect the anode to a voltage source through a current-limiting resistor, and connect the cathode to ground or a negative voltage source. The recommended bias voltage is between 1.9V and 2.4V.
  • The maximum allowable reverse voltage for the 1N4475 is 2.4V. Exceeding this voltage may cause damage to the device.
  • Yes, the 1N4475 can be used in switching applications, but it's essential to ensure that the switching frequency is within the recommended range (typically up to 100 kHz) and that the device is properly biased and terminated to prevent ringing and oscillations.
  • To prevent electrostatic discharge (ESD) damage, handle the 1N4475 with ESD-safe tools and equipment, and ensure that your workspace is ESD-protected. You can also use ESD-protective packaging and storage materials.

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1N4475 Overview

Use the download button to access the 1N4475 schematic symbol and PCB footprint.
To find more CAD model downloads similar to this part, try a partial part number search, like 1N447, or try a keyword search, such as Zener Diodes

About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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1N4475 Alternates

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Image Part Number Model
Part Image JANTXV1N4475US Microchip Technology Inc

Zener Diode, 27V V(Z), 5%, 1.5W, Silicon, Unidirectional
Part Image 1N4475C Microchip Technology Inc

Zener Diode, 27V V(Z), 2%, 1.5W, Silicon, Unidirectional, DO-41
Part Image JANTXV1N4475DUS Microsemi Corporation (now Microchip)

Zener Diode, 27V V(Z), 1%, 1.5W, Silicon, Unidirectional
Part Image JAN1N4475CUS Microsemi Corporation (now Microchip)

Zener Diode, 27V V(Z), 2%, 1.5W, Silicon, Unidirectional
Part Image 1N4475 Microsemi Corporation (now Microchip)

Zener Diode, 27V V(Z), 5%, 1.5W, Silicon, Unidirectional, DO-41
For a full list of alternate parts for 1N4475, check out Findchips.com