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1N4448 - Diotec

Description: Small Signal Switching Diodes Small Signal Diode, DO-35, 100V, 0.2A, 175C

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PCB Footprints
1N4448 - Diotec PCB footprint - Diodes, Axial Diameter Horizontal Mounting - Diodes, Axial Diameter Horizontal Mounting - ~DO-35 ~SOD-27
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3D Models
1N4448 - Diotec  - 3D model - Diodes, Axial Diameter Horizontal Mounting - ~DO-35 ~SOD-27
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1N4448 Details

  • Manufacturer Part Number:

    1N4448

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DO-35

  • Pin Count:

    2

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.70

  • Manufacturer:

    Diotec Semiconductor AG

  • YTEOL:

    5.78

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    RECTIFIER DIODE

  • Forward Voltage-Max (VF):

    0.62 V

  • JEDEC-95 Code:

    DO-35

  • JESD-30 Code:

    O-LALF-W2

  • JESD-609 Code:

    e3

  • Non-rep Pk Forward Current-Max:

    2 A

  • Number of Elements:

    1

  • Number of Phases:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    200 °C

  • Operating Temperature-Min:

    -50 °C

  • Output Current-Max:

    0.15 A

  • Package Body Material:

    GLASS

  • Package Shape:

    ROUND

  • Package Style:

    LONG FORM

  • Peak Reflow Temperature (Cel):

    260

  • Power Dissipation-Max:

    0.5 W

  • Qualification Status:

    Not Qualified

  • Rep Pk Reverse Voltage-Max:

    75 V

  • Reverse Recovery Time-Max:

    0.004 µs

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

  • Time@Peak Reflow Temperature-Max (s):

    10

1N4448 Frequently Asked Questions (FAQs)

  • The recommended storage temperature for 1N4448 diodes is -40°C to 100°C, as per the manufacturer's guidelines.
  • While the 1N4448 diode is suitable for general-purpose switching and rectification, it's not recommended for high-frequency applications (>100 kHz) due to its relatively high capacitance and inductance.
  • To ensure proper soldering, use a soldering iron with a temperature of 250°C to 270°C, and apply a small amount of solder to the leads. Avoid applying excessive heat or force, which can damage the diode.
  • While the 1N4448 diode meets the general requirements for automotive applications, it's essential to verify its compliance with specific automotive standards (e.g., AEC-Q101) and ensure it meets the required temperature, vibration, and reliability specifications.
  • Yes, you can use multiple 1N4448 diodes in parallel to increase the current rating, but ensure that each diode has its own current-limiting resistor to prevent current imbalance and overheating.

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1N4448 Overview

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