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1SMB5921BT3G - onsemi

Description: Zener Voltage Range - 3.3 V to 200 V; ESD Rating of Class 3 (>16 KV) per Human Body Model; Flat Handling Surface for Accurate Placement; Package Design for Top Side or Bottom Circuit Board Mounting 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; LEADS: Modified L-Bend providing more contact area to bond pads; POLARITY: Cathode indi

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PCB Footprints
1SMB5921BT3G - onsemi PCB footprint - Diodes Moulded - Diodes Moulded - SMB CASE 403A-03
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3D Models
1SMB5921BT3G - onsemi  - 3D model - Diodes Moulded - SMB CASE 403A-03
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1SMB5921BT3G Details

  • Manufacturer Part Number:

    1SMB5921BT3G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SMB

  • Package Description:

    LEAD FREE, PLASTIC, CASE 403A-03, SMB, 2 PIN

  • Pin Count:

    2

  • Manufacturer Package Code:

    403A-03

  • Country Of Origin:

    Vietnam

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Manufacturer:

    onsemi

  • YTEOL:

    6.65

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    ZENER DIODE

  • Dynamic Impedance-Max:

    2.5 Ω

  • JEDEC-95 Code:

    DO-214AA

  • JESD-30 Code:

    R-PDSO-L2

  • JESD-609 Code:

    e3

  • 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:

    3 W

  • Qualification Status:

    Not Qualified

  • Reference Voltage-Nom:

    6.8 V

  • Surface Mount:

    YES

  • Technology:

    ZENER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    L BEND

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tol-Max:

    5%

  • Working Test Current:

    55.1 mA

1SMB5921BT3G Frequently Asked Questions (FAQs)

  • A good PCB layout for the 1SMB5921BT3G involves keeping the leads as short as possible, using a solid ground plane, and placing a 10uF ceramic capacitor between the cathode and anode pins to reduce noise and ringing.
  • To ensure proper biasing, connect the anode to a voltage source through a current-limiting resistor, and connect the cathode to ground through a low-impedance path. The recommended bias voltage is between 5V and 24V.
  • The 1SMB5921BT3G has a maximum surge current rating of 3000A, making it suitable for protecting against high-energy surges and spikes.
  • Yes, the 1SMB5921BT3G is rated for operation up to 150°C, making it suitable for use in high-temperature environments. However, the device's performance may degrade at elevated temperatures.
  • Select the correct variant based on the required breakdown voltage, which ranges from 5.8V to 6.2V for the 1SMB5921BT3G. Ensure the selected variant meets the specific requirements of your application.

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1SMB5921BT3G Overview

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Part Image SMBJ5921BE3/TR13 Microsemi Corporation (now Microchip)

Zener Diode, 6.8V V(Z), 5%, 1.25W, Silicon, Unidirectional, DO-214AA

Part Image SMBJ5921B JGD Semiconductors Co Ltd

Zener Diode, 6.8V V(Z), 5%, 1.5W, Unidirectional, DO-214AA

Part Image SMBJ5921B-TP-HF Micro Commercial Components

Zener Diode, 6.8V V(Z), 5%, 1.5W, Silicon

Part Image SMBJ5921B-TPX01 Micro Commercial Components

Zener Diode, 6.8V V(Z), 5%, 1.5W, Silicon, Unidirectional, DO-214AA

Part Image HSMBJ5921BTR Microsemi Corporation (now Microchip)

Zener Diode, 6.8V V(Z), 5%, 1.56W, Silicon, Unidirectional, DO-214AA

For a full list of alternate parts for 1SMB5921BT3G, check out Findchips.com