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CRCW25121K78FKEG - Vishay

Description: Standard Thick Film Chip Resistors value 1K78 ohm.

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CRCW25121K78FKEG - Vishay - PCB symbol
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PCB Footprints
CRCW25121K78FKEG - Vishay PCB footprint - Resistor Chip - Resistor Chip - CRCW2512
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CRCW25121K78FKEG - Vishay - 3D model - Resistor Chip - CRCW2512
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CRCW25121K78FKEG Details

  • Manufacturer Part Number:

    CRCW25121K78FKEG

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Israel

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.21.00.30

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Vishay Intertechnologies

  • YTEOL:

    10

  • Additional Feature:

    RATED AC VOLTAGE (V): 500

  • Construction:

    Rectangular

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    155 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Height:

    0.6 mm

  • Package Length:

    6.3 mm

  • Package Style:

    SMT

  • Package Width:

    3.15 mm

  • Packing Method:

    TR, Blister, 7 Inch

  • Rated Power Dissipation (P):

    1 W

  • Rated Temperature:

    70 °C

  • Reference Standard:

    AEC-Q200

  • Resistance:

    1780 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Size Code:

    2512

  • Surface Mount:

    YES

  • Technology:

    METAL GLAZE/THICK FILM

  • Terminal Finish:

    Matte Tin (Sn) - with Nickel (Ni) barrier

  • Terminal Shape:

    WRAPAROUND

  • Tolerance:

    1%

  • Working Voltage:

    500 V

CRCW25121K78FKEG Frequently Asked Questions (FAQs)

  • The thermal resistance of the CRCW25121K78FKEG is not explicitly stated in the datasheet, but it can be estimated to be around 250-300°C/W, which is a typical value for a 2512-sized thick-film resistor.
  • The CRCW25121K78FKEG is a thick-film resistor, which may not be the best choice for high-frequency applications due to its higher parasitic inductance and capacitance compared to thin-film resistors. However, it can still be used up to a few hundred MHz with proper PCB design and layout considerations.
  • The CRCW25121K78FKEG has a maximum operating temperature of 155°C, but it can be derated for higher temperatures. However, it's recommended to consult with Vishay's application engineers or perform thorough testing to ensure the resistor's reliability and stability in extreme temperature conditions.
  • Yes, the CRCW25121K78FKEG is compatible with lead-free soldering processes and meets the requirements of the RoHS directive.
  • The recommended land pattern for the CRCW25121K78FKEG can be found in Vishay's application notes or on their website. It's essential to follow the recommended land pattern to ensure proper soldering and to prevent thermal and mechanical stress on the resistor.

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CRCW25121K78FKEG Overview

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CRCW25121K78FKEG Alternates

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Part Image CRCW25121K78FKTG Vishay Intertechnologies

Fixed Resistor, Metal Glaze/thick Film, 1W, 1780ohm, 500V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 2512
Part Image RCA25121K78FKEH Vishay Intertechnologies

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Part Image CR-12FA9--1K78 Viking Tech Corp

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Part Image ACTV002512-1781FTE Chilisin Electronics Corp

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Part Image CRHV2512T1781FE MERITEK Electronics Corporation

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For a full list of alternate parts for CRCW25121K78FKEG, check out Findchips.com