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1SMA5918BT3G - onsemi

Description: Ideal Replacement for MELF Packages Mechanical Characteristics:; Case: Void-free, transfer-molded plastic; Finish: All external surfaces are corrosion resistant with readily solderable leads; Maximum Case Temperature for Soldering Purposes: 260 °C for 10 seconds; POLARITY: Cathode indicated by molded polarity notch or cathode band.; FLAMMABILITY RATING: UL94 V–0; Pb-Free Packages are Available; AEC-Q101 Qualified and PPAP Capable; SZ Prefix for Automotive and Other Applications Requiring Unique Site and Con

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PCB Footprints
1SMA5918BT3G - onsemi PCB footprint - Diodes Moulded - Diodes Moulded - SMA CASE 403D ISSUE H
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1SMA5918BT3G - onsemi  - 3D model - Diodes Moulded - SMA CASE 403D ISSUE H
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1SMA5918BT3G Details

  • Manufacturer Part Number:

    1SMA5918BT3G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SMA

  • Package Description:

    LEAD FREE, PLASTIC, CASE 403D-02, SMA, 2 PIN

  • Pin Count:

    2

  • Manufacturer Package Code:

    403D-02

  • Country Of Origin:

    Vietnam

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    6.65

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    ZENER DIODE

  • Dynamic Impedance-Max:

    4 Ω

  • JESD-30 Code:

    R-PDSO-C2

  • JESD-609 Code:

    e3

  • Knee Impedance-Max:

    350 Ω

  • Moisture Sensitivity Level:

    1

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -65 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Polarity:

    UNIDIRECTIONAL

  • Power Dissipation-Max:

    0.5 W

  • Qualification Status:

    Not Qualified

  • Reference Voltage-Nom:

    5.1 V

  • Reverse Current-Max:

    2.5 µA

  • Reverse Test Voltage:

    2 V

  • Surface Mount:

    YES

  • Technology:

    ZENER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    C BEND

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tol-Max:

    5%

  • Working Test Current:

    73.5 mA

1SMA5918BT3G Frequently Asked Questions (FAQs)

  • A good PCB layout for the 1SMA5918BT3G involves keeping the leads as short as possible, using a solid ground plane, and minimizing the distance between the device and the protection circuitry. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure the 1SMA5918BT3G can handle high surge currents, use a large enough PCB trace width, keep the device close to the protection circuitry, and consider adding a TVS diode in parallel with the 1SMA5918BT3G to help absorb surge currents.
  • The 1SMA5918BT3G has an operating temperature range of -55°C to 150°C, but the maximum junction temperature (Tj) should not exceed 150°C. Ensure proper thermal management to prevent overheating.
  • Yes, the 1SMA5918BT3G can be used in high-frequency applications up to 1 GHz. However, ensure proper PCB layout and decoupling to minimize parasitic inductance and capacitance.
  • Choose a voltage rating that exceeds the maximum voltage in your application. The 1SMA5918BT3G is available in various voltage ratings (e.g., 18V, 24V, 36V). Select the one that matches your system's voltage requirements.

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1SMA5918BT3G Overview

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