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KA2803B - onsemi

Description: Low power consumption: 5mW, 100V/200V; Built-in voltage regulator; High-gain differential amplifier; 0.4mA output current pulse to trigger SCRs; Low external part count; High noise immunity, large surge margin; Super temperature characteristic of input sensitivity; Wide operating temperature range:TA= -25°C to +100°C; Operation from 12V to 20V input

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PCB Footprints
KA2803B - onsemi PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP-8 CASE626-05 ISSUE P
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3D Models
KA2803B - onsemi  - 3D model - Dual-In-Line Packages - PDIP-8 CASE626-05 ISSUE P
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KA2803B Details

  • Manufacturer Part Number:

    KA2803B

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    PDIP-8

  • Package Description:

    DIP-8

  • Manufacturer Package Code:

    626-05

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1999-01-01

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Additional Feature:

    BUILT-IN VOLTAGE REGULATOR

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    VOLTAGE DETECTOR

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.2 mm

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    80 °C

  • Operating Temperature-Min:

    -20 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    0.58 mA

  • Supply Voltage-Max (Vsup):

    20 V

  • Supply Voltage-Min (Vsup):

    12 V

  • Supply Voltage-Nom (Vsup):

    16 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL EXTENDED

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +16V

  • Width:

    7.62 mm

KA2803B Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the KA2803B is 15V to 40V, although it can operate up to 45V with reduced performance.
  • To ensure stable operation, make sure to decouple the input and output pins with capacitors, use a stable input voltage, and minimize noise and ripple on the input and output lines.
  • The maximum output current capability of the KA2803B is 3A, but it can be limited by the thermal design and the input voltage.
  • To protect the KA2803B from overheating, ensure good thermal design, use a heat sink if necessary, and avoid operating the device at high temperatures or high output currents for extended periods.
  • Yes, the KA2803B can be used in a switching power supply design, but it's essential to ensure that the device is properly bypassed and filtered to minimize noise and ripple.

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KA2803B Overview

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