Please enter a minimum 3 letters or numbers
Technical Content
Part Image

1N4744A - Taiwan Semiconductor

Description: DIODE, ZENER, 15V, 1W, DO41 Taiwan Semi 1N4744A Zener Diode, 15V 5% 1 W Through Hole 2-Pin DO-41

Download 1N4744A Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
Send part feedback
Symbol
1N4744A - Taiwan Semiconductor - PCB symbol
click to zoom
PCB Footprints
1N4744A - Taiwan Semiconductor PCB footprint - Diodes, Axial Diameter Horizontal Mounting - Diodes, Axial Diameter Horizontal Mounting - DO-41
click to zoom
3D Models
1N4744A - Taiwan Semiconductor - 3D model - Diodes, Axial Diameter Horizontal Mounting - DO-41
click to zoom

1N4744A Details

  • Manufacturer Part Number:

    1N4744A

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Taiwan Semiconductor

  • YTEOL:

    5.85

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    ZENER DIODE

  • Dynamic Impedance-Max:

    14 Ω

  • JEDEC-95 Code:

    DO-41

  • JESD-30 Code:

    O-PALF-W2

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    LONG FORM

  • Peak Reflow Temperature (Cel):

    260

  • Polarity:

    UNIDIRECTIONAL

  • Power Dissipation-Max:

    1 W

  • Qualification Status:

    Not Qualified

  • Reference Voltage-Nom:

    15 V

  • Surface Mount:

    NO

  • Technology:

    ZENER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

  • Voltage Tol-Max:

    5%

  • Working Test Current:

    17 mA

1N4744A Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the 1N4744A is -65°C to 175°C, although the datasheet only specifies the electrical characteristics at 25°C.
  • To ensure the 1N4744A can handle the power dissipation, calculate the power dissipation (Pd) using the formula Pd = Vz * Iz, where Vz is the zener voltage and Iz is the zener current. Then, check that the calculated Pd is within the maximum power dissipation rating of 1.5W.
  • The typical dynamic impedance of the 1N4744A is around 20-50 ohms, although this value can vary depending on the operating conditions and the specific application.
  • While the 1N4744A can be used as a voltage regulator, it is not recommended due to its limited power handling capability and relatively high dynamic impedance. A dedicated voltage regulator IC would be a better choice for most applications.
  • To select the correct resistor value, calculate the required resistor value using the formula R = (Vin - Vz) / Iz, where Vin is the input voltage, Vz is the zener voltage, and Iz is the zener current. Then, choose a standard resistor value that is close to the calculated value.

Trust Checks

This model has been provided by an expert contributor.
Expert Contribution
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

1N4744A Overview

Use the download button to access the 1N4744A schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like 1N474, or try a keyword search, such as Zener Diodes

Suggested Parts

If you searched for 1N4744A, you might also be interested in these parts:
Part Number
5102322-1
MTMS-125-02-T-D-100
TSM75N75CZ C0
5227169-7
22-28-4030
90130-3226
1206L020/30
C2012X5R1A225K085AA
2SC1815-GR
NDF10N60ZH

Parts related to 1N4744A

Showing 0 results

Part Image

← Prev Next →
About Us Contact Us Terms of Service Do not sell or share my personal information Privacy Policy Digital Services Act Library Loader Twitter LinkedIn

All content Copyright © 2020, Supplyframe.com. All rights reserved. Back to top ↑

1N4744A Alternates

Showing results

Image Part Number Model
Part Image 1N4744ATR Central Semiconductor Corp

Zener Diode, 15V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41
Part Image 1N4744A-T Rectron Semiconductor

Zener Diode, 15V V(Z), 1W, Silicon, Unidirectional, DO-41
Part Image 1N4744A Lite-On Semiconductor Corporation

Zener Diode, 15V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41
Part Image 1N4744ATA Motorola Semiconductor Products

Zener Diode, 15V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41, GLASS, CASE 59-03, 2 PIN
Part Image 1N4744A(DO41) Microsemi Corporation (now Microchip)

Zener Diode, 15V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41
For a full list of alternate parts for 1N4744A, check out Findchips.com