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TMMDB3 - STMicroelectronics

Description: Diac in SMD MINIMELF package

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TMMDB3 - STMicroelectronics - PCB symbol
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PCB Footprints
TMMDB3 - STMicroelectronics PCB footprint - Other - Other - TMMDB3-2
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TMMDB3 Details

  • Manufacturer Part Number:

    TMMDB3

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MELF

  • Package Description:

    MINIMELF-2

  • Pin Count:

    2

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.30.00.80

  • Factory Lead Time:

    11 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6

  • Breakover Voltage-Max:

    36 V

  • Breakover Voltage-Min:

    28 V

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • JESD-30 Code:

    O-LELF-R2

  • JESD-609 Code:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    GLASS

  • Package Shape:

    ROUND

  • Package Style:

    LONG FORM

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    WRAP AROUND

  • Terminal Position:

    END

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

    NOT SPECIFIED

  • Trigger Device Type:

    DIAC

TMMDB3 Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 4-layer PCB with a solid ground plane and thermal vias to ensure good thermal dissipation. A minimum of 2 oz copper thickness is recommended for the top layer.
  • To ensure reliable operation in high-temperature environments, it is recommended to derate the device's power consumption and ensure good airflow around the device. Additionally, consider using a heat sink or thermal interface material to improve heat dissipation.
  • The maximum allowed voltage on the VCC pin is 3.6V. Exceeding this voltage may damage the device.
  • To troubleshoot issues with the device's I2C interface, check the I2C clock frequency, ensure that the SDA and SCL lines are properly terminated, and verify that the device is properly addressed. Use a logic analyzer or oscilloscope to debug the I2C bus signals.
  • Yes, the TMMDB3 can be used in battery-powered applications. However, it is recommended to consider the device's power consumption and implement power-saving strategies to minimize battery drain.

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TMMDB3 Overview

Use the download button to access the TMMDB3 schematic symbol and PCB footprint.
To find more CAD model downloads similar to this part, try a partial part number search, like TMMDB, or try a keyword search, such as DIACs

About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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