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KSA1220AYS - onsemi

Description: Obsolete - PNP Epitaxial Silicon Transistor

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Symbol
KSA1220AYS - onsemi - PCB symbol
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PCB Footprints
KSA1220AYS - onsemi PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-126-
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3D Models
KSA1220AYS - onsemi - 3D model - Transistor Outline, Vertical - TO-126-
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KSA1220AYS Details

  • Manufacturer Part Number:

    KSA1220AYS

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-126-3

  • Manufacturer Package Code:

    340AS

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.29.00.75

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Collector Current-Max (IC):

    1.2 A

  • Collector-Emitter Voltage-Max:

    160 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    160

  • JEDEC-95 Code:

    TO-126

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Polarity/Channel Type:

    PNP

  • Power Dissipation Ambient-Max:

    1.2 W

  • Power Dissipation-Max (Abs):

    20 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Transistor Application:

    AMPLIFIER

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    175 MHz

KSA1220AYS Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. Keep the thermal pad connected to the ground plane to improve heat dissipation.
  • Ensure proper heat sinking, use a thermal interface material, and follow the recommended PCB layout. Also, consider derating the device's power dissipation at high temperatures.
  • The maximum allowed voltage on the enable pin (EN) is 6V. Exceeding this voltage may damage the device.
  • Yes, the KSA1220AYS can be used in switching regulator applications. However, ensure that the device is properly bypassed and decoupled to minimize noise and voltage transients.
  • Power sequencing is critical for the KSA1220AYS. Ensure that the input voltage (VIN) is applied before the enable pin (EN) is asserted. Also, ensure that the output voltage (VOUT) is stable before connecting the load.

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KSA1220AYS Overview

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KSA1220AYS Alternates

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Part Image KSA1220AYS Rochester Electronics LLC

1.2A, 160V, PNP, Si, POWER TRANSISTOR, TO-126
Part Image KSA1220AYS Fairchild Semiconductor Corporation

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