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MCR03EZPFX4991 - ROHM Semiconductor

Description: ROHM MCR Series Thick Film Surface Mount Resistor 0603 Case 4.99kΩ ±1% 0.1W ±100ppm/°C

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MCR03EZPFX4991 - ROHM Semiconductor - PCB symbol
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MCR03EZPFX4991 - ROHM Semiconductor PCB footprint - Resistor Chip - Resistor Chip - MCR03
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MCR03EZPFX4991 - ROHM Semiconductor - 3D model - Resistor Chip - MCR03
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MCR03EZPFX4991 Details

  • Manufacturer Part Number:

    MCR03EZPFX4991

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Philippines, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.21.00.30

  • Manufacturer:

    ROHM Semiconductor

  • YTEOL:

    9

  • Construction:

    Rectangular

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    155 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Height:

    0.45 mm

  • Package Length:

    1.6 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    SMT

  • Package Width:

    0.8 mm

  • Packing Method:

    TR, Paper, 7 Inch

  • Rated Power Dissipation (P):

    0.1 W

  • Rated Temperature:

    70 °C

  • Resistance:

    4990 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Size Code:

    0603

  • Surface Mount:

    YES

  • Technology:

    METAL GLAZE/THICK FILM

  • Temperature Coefficient:

    100 ppm/°C

  • Terminal Finish:

    Tin (Sn) - with Nickel (Ni) barrier

  • Terminal Shape:

    WRAPAROUND

  • Tolerance:

    1%

  • Working Voltage:

    50 V

MCR03EZPFX4991 Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance would be to have a large copper area connected to the thermal pad, and to use thermal vias to dissipate heat to the other layers. It's also recommended to have a solid ground plane on the layer adjacent to the thermal pad.
  • To ensure the stability of the output voltage, it's recommended to use a capacitor with a low ESR (Equivalent Series Resistance) and a high ripple current rating. The output capacitor should be placed as close to the output pin as possible, and the PCB layout should be designed to minimize the loop area of the output capacitor and the output pin.
  • The maximum input voltage that can be applied to the MCR03EZPFX4991 is 36V. Exceeding this voltage may cause damage to the device.
  • The output voltage of the MCR03EZPFX4991 can be calculated using the following formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (1.24V), R1 is the resistance between the output pin and the feedback pin, and R2 is the resistance between the feedback pin and ground.
  • The minimum input voltage required for the MCR03EZPFX4991 to operate is 2.5V. Operating the device below this voltage may cause instability or malfunction.

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MCR03EZPFX4991 Overview

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MCR03EZPFX4991 Alternates

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Part Image RC1608F4991CS Samsung Electro-Mechanics

Fixed Resistor, Metal Glaze/thick Film, 0.1W, 4990ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 0603
Part Image FPS03FW-4991-MD Prosperity Dielectrics Co Ltd

Fixed Resistor, Metal Glaze/thick Film, 0.125W, 4990ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 0603
Part Image RC1608F4991ES Samsung Electro-Mechanics

Fixed Resistor, Metal Glaze/thick Film, 0.1W, 4990ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 0603
Part Image AR0603FR-074K99 YAGEO Corporation

Fixed Resistor, Metal Glaze/thick Film, 0.1W, 4990ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 0603
Part Image 0603SAF4991C4E Royal Electronic Factory (Thailand) Co Ltd

Fixed Resistor, Metal Glaze/thick Film, 0.1W, 4990ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 0603
For a full list of alternate parts for MCR03EZPFX4991, check out Findchips.com