Datasheets
WFMB2512R4000FEA by:

Fixed Resistor, Metal Strip, 4W, 0.4ohm, 1.2649V, 1% +/-Tol, 50ppm/Cel, Surface Mount, 2512, CHIP

Part Details for WFMB2512R4000FEA by Vishay Intertechnologies

Results Overview of WFMB2512R4000FEA by Vishay Intertechnologies

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Applications Consumer Electronics Internet of Things (IoT) Financial Technology (Fintech) Healthcare

WFMB2512R4000FEA Information

WFMB2512R4000FEA by Vishay Intertechnologies is a Metal Strip Resistor.
Metal Strip Resistor are under the broader part category of Resistors.

Resistors are passive components that work by limiting electron flow in a circuit. They are available as fixed or as variable (potentionmeters). Read more about Resistors on our Resistors part category page.

Price & Stock for WFMB2512R4000FEA

Part # Distributor Description Stock Price Buy
DISTI # 98AC4580
Newark Res, 0R4, 3W, 2512, Metal Plate, Resistance:0.4Ohm, Product Range:Wfm Series, Resistor Case/Package:2512 [6432 Metric], Power Rating:3W, Resistance Tolerance:± 1%, Resistor Technology:Metal Plate, Temperature Coefficient:± 50Ppm/°Crohs Compliant: Yes |Vishay WFMB2512R4000FEA RoHS: Compliant Min Qty: 2000 Package Multiple: 1 Date Code: 0 Container: Reel 0
  • 2,000 $0.5740
  • 4,000 $0.5180
  • 6,000 $0.4990
  • 10,000 $0.4800
$0.4800 / $0.5740 Buy Now
DISTI # 01AH9858
Newark Res, 0R4, 3W, 2512, Metal Plate, Resistance:0.4Ohm, Product Range:Wfm Series, Resistor Case/Package:2512 [6432 Metric], Power Rating:3W, Resistance Tolerance:± 1%, Resistor Technology:Metal Plate, Temperature Coefficient:± 50Ppm/°Crohs Compliant: Yes |Vishay WFMB2512R4000FEA RoHS: Compliant Min Qty: 2000 Package Multiple: 1 Date Code: 0 Container: Cut Tape 0
  • 500 $0.6980
$0.6980 Buy Now
DISTI # WFMB2512R4000FEA
Avnet Americas WFMB2512 .4 1% NICR EA e3 - Tape and Reel (Alt: WFMB2512R4000FEA) RoHS: Not Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 35 Weeks, 6 Days Container: Reel 6000
  • 2,000 $0.7549
  • 4,000 $0.4934
  • 8,000 $0.4747
  • 12,000 $0.4688
  • 16,000 $0.4608
$0.4608 / $0.7549 Buy Now
DISTI # 71-WFMB2512R4000FEA
Mouser Electronics Current Sense Resistors - SMD 3watts .4ohms 1% B =NiCrAl High Power RoHS: Compliant 0
  • 1 $2.0500
  • 10 $1.2100
  • 25 $1.0800
  • 50 $0.9850
  • 100 $0.8530
  • 250 $0.7500
$0.7500 / $2.0500 Order Now
DISTI # WFMB2512R4000FEA
TTI Current Sense Resistors - SMD 3watts .4ohms 1% B =NiCrAl High Power RoHS: Compliant pbFree: Pb-Free Min Qty: 2000 Package Multiple: 2000 Container: Reel Americas - 0
  • 2,000 $0.8900
  • 4,000 $0.8800
  • 8,000 $0.8600
  • 12,000 $0.8400
$0.8400 / $0.8900 Buy Now
DISTI # SMC-WFMB2512R4000FEA
Sensible Micro Corporation OEM Excess 5-7 Days Leadtime, We are an AS6081 Certified Vendor, 1 Yr Warranty RoHS: Not Compliant Min Qty: 25 Lead time: 2 Weeks, 0 Days 149622
RFQ
DISTI # WFMB2512R4000FEA
Avnet Abacus WFMB2512 4 1 NICR EA e3 - Tape and Reel (Alt: WFMB2512R4000FEA) RoHS: Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 83 Weeks, 0 Days Container: Reel Abacus - 0
Buy Now

Part Details for WFMB2512R4000FEA

WFMB2512R4000FEA CAD Models

WFMB2512R4000FEA Part Data Attributes

WFMB2512R4000FEA Vishay Intertechnologies
Buy Now Datasheet
Compare Parts:
WFMB2512R4000FEA Vishay Intertechnologies Fixed Resistor, Metal Strip, 4W, 0.4ohm, 1.2649V, 1% +/-Tol, 50ppm/Cel, Surface Mount, 2512, CHIP
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer VISHAY INTERTECHNOLOGY INC
Package Description CHIP
Reach Compliance Code unknown
Factory Lead Time 35 Weeks, 6 Days
Samacsys Manufacturer Vishay
Additional Feature ANTI-SULFUR
Construction Rectangular
Mounting Feature SURFACE MOUNT
Number of Terminals 2
Operating Temperature-Max 170 °C
Operating Temperature-Min -65 °C
Package Height 0.5 mm
Package Length 6.35 mm
Package Style SMT
Package Width 3.18 mm
Packing Method TR, EMBOSSED PLASTIC, 7 INCH
Rated Power Dissipation (P) 4 W
Rated Temperature 70 °C
Reference Standard AEC-Q200
Resistance 0.4 Ω
Resistor Type FIXED RESISTOR
Size Code 2512
Surface Mount YES
Technology METAL STRIP
Temperature Coefficient 50 ppm/°C
Terminal Shape WRAPAROUND
Tolerance 1%
Working Voltage 1.2649 V

WFMB2512R4000FEA Frequently Asked Questions (FAQ)

  • The recommended land pattern for WFMB2512R4000FEA is a rectangular pad with a size of 2.5 mm x 1.25 mm, with a non-solder mask defined (NSMD) pad shape.

  • To handle thermal management, ensure good thermal conductivity between the device and the PCB by using a thermal interface material (TIM) and a heat sink if necessary. Also, ensure good airflow around the device.

  • The maximum operating temperature range for WFMB2512R4000FEA is -55°C to 150°C, with a storage temperature range of -55°C to 180°C.

  • Yes, WFMB2512R4000FEA is suitable for high-reliability applications due to its high-quality materials and manufacturing process, which ensure a low failure rate and high performance over time.

  • To ensure reliability in a humid environment, apply a conformal coating to the device and PCB, and ensure good sealing of the device package. Also, follow proper handling and storage procedures to prevent moisture absorption.

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