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UM803RS - UNION Semiconductor

Description: 3-Pin Microprocessor Reset Circuits

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PCB Footprints
UM803RS - UNION Semiconductor PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - SOT23-3
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3D Models
UM803RS - UNION Semiconductor  - 3D model - SOT23 (3-Pin) - SOT23-3
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UM803RS Details

  • Manufacturer Part Number:

    UM803RS

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Contact Manufacturer

  • Package Description:

    SOT-23, 3 PIN

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Union Semiconductor Inc

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    R-PDSO-G3

  • Length:

    2.96 mm

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TO-236

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1.4 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    1 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +2.63V

  • Width:

    1.6 mm

UM803RS Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance involves placing a thermal pad on the bottom of the package, using a 2-3 layer PCB with a solid ground plane, and keeping the thermal traces as short and wide as possible.
  • To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating temperature range, use a suitable heat sink, and ensure good airflow around the device. Additionally, consider using thermal interface materials and following proper PCB design guidelines.
  • The recommended soldering conditions for the UM803RS include a peak temperature of 260°C, a soldering time of 10-15 seconds, and a soldering iron temperature of 350-370°C. It's also important to use a solder with a melting point above 217°C.
  • To handle ESD protection for the UM803RS, it's recommended to follow proper ESD handling procedures, use ESD-protected workstations, and implement ESD protection circuits in the design. Additionally, consider using ESD-protected components and following the manufacturer's ESD guidelines.
  • The recommended storage conditions for the UM803RS include storing the devices in their original packaging, in a dry and clean environment, with a temperature range of -40°C to 125°C and humidity below 60%. Avoid exposing the devices to direct sunlight, moisture, or extreme temperatures.

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UM803RS Overview

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