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CRM1206-FX-49R9ELF - Bourns

Description: 49.9 Ohms ±1% 0.5W, 1/2W Chip Resistor 1206 (3216 Metric) Current Sense Thick Film

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CRM1206-FX-49R9ELF - Bourns - PCB symbol
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PCB Footprints
CRM1206-FX-49R9ELF - Bourns PCB footprint - Resistor Chip - Resistor Chip - CRM1206_2025-2
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CRM1206-FX-49R9ELF - Bourns - 3D model - Resistor Chip - CRM1206_2025-2
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CRM1206-FX-49R9ELF Details

  • Manufacturer Part Number:

    CRM1206-FX-49R9ELF

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.21.00.30

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    12

  • 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:

    0.55 mm

  • Package Length:

    3.1 mm

  • Package Shape:

    RECTANGULAR PACKAGE

  • Package Style:

    SMT

  • Package Width:

    1.6 mm

  • Packing Method:

    TR, 7 Inch

  • Rated Power Dissipation (P):

    0.5 W

  • Rated Temperature:

    70 °C

  • Resistance:

    49.9 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Size Code:

    1206

  • Surface Mount:

    YES

  • Technology:

    METAL GLAZE/THICK FILM

  • Temperature Coefficient:

    100 ppm/°C

  • Terminal Finish:

    MATTE TIN OVER NICKEL

  • Terminal Shape:

    WRAPAROUND

  • Tolerance:

    1%

  • Working Voltage:

    200 V

CRM1206-FX-49R9ELF Frequently Asked Questions (FAQs)

  • The recommended land pattern for the CRM1206-FX-49R9ELF can be found in the Bourns Application Note S-8151, which provides guidelines for PCB layout and land pattern design.
  • The thermal considerations for the CRM1206-FX-49R9ELF are critical to ensure reliable operation. Engineers should follow the guidelines in the datasheet for power rating and derating, and consider using thermal vias or thermal pads to dissipate heat.
  • The CRM1206-FX-49R9ELF is a general-purpose chip resistor and may not be suitable for high-frequency applications. Engineers should consider using specialized high-frequency resistors or evaluating the resistor's performance in their specific application.
  • The CRM1206-FX-49R9ELF has an MSL rating of 1, which means it can withstand normal humidity and temperature conditions without special handling or storage requirements.
  • The CRM1206-FX-49R9ELF is a standard chip resistor and may not be suitable for high-vibration or high-shock environments. Engineers should consider using specialized resistors designed for harsh environments or evaluating the resistor's performance in their specific application.

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CRM1206-FX-49R9ELF Overview

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CRM1206-FX-49R9ELF Alternates

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Image Part Number Model
Part Image RMCP1206FG49R9 SEI Stackpole Electronics Inc

Fixed Resistor, Metal Glaze/thick Film, 0.5W, 49.9ohm, 200V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 1206
Part Image PWR06FWEU49R9A Viking Tech Corp

Fixed Resistor, Metal Glaze/thick Film, 0.5W, 49.9ohm, 200V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 1206, CHIP
Part Image CR-06FC7--49R9 Viking Tech Corp

Fixed Resistor, Metal Glaze/thick Film, 0.5W, 49.9ohm, 200V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 1206, CHIP
Part Image PWR06FWEU49R9NA Viking Tech Corp

Fixed Resistor, Metal Glaze/thick Film, 0.5W, 49.9ohm, 200V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 1206, CHIP
Part Image RMCS1206FT49R9-HP SEI Stackpole Electronics Inc

Fixed Resistor, Metal Glaze/thick Film, 0.33W, 49.9ohm, 200V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 1206, CHIP
For a full list of alternate parts for CRM1206-FX-49R9ELF, check out Findchips.com