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WSL2512R0680FEA

68mΩ 1% Power Metal Strip current sense resistor, 2512, 1W, AEC-Q200

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Manufacturer Part：

WSL2512R0680FEA

Package：

2512 (6432 Metric) - 6.35 x 3.18 x 0.89mm

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Description

Product Overview

The WSL2512R0680FEA from Vishay Dale is a 68mΩ (0.068Ω) ±1% Power Metal Strip current sense resistor in a 2512 (6432 metric) package. Closely related to the 50mΩ variant, this resistor provides a slightly higher sense voltage for the same current, improving measurement resolution in lower-current applications.

Key Specifications

Resistance 68mΩ (0.068Ω)
Tolerance ±1%
Power Rating 1W
Temperature Coefficient ±75ppm/°C
Package 2512 (6432 Metric) – 6.35 x 3.18 x 0.89mm
Operating Temperature -65°C to +170°C
Technology Power Metal Strip (Metal Element)
Qualification AEC-Q200, Anti-Sulfur, Moisture Resistant

Features

  • 68mΩ resistance provides 36% higher sense voltage than 50mΩ at same current
  • ±1% tolerance and ±75ppm/°C TCR for precision measurement
  • AEC-Q200 qualified for automotive reliability
  • Power Metal Strip technology with welded construction
  • Pulse withstanding capability for transient protection

Applications

  • DC-DC converter current feedback with improved resolution
  • Battery pack current monitoring in 12V automotive systems
  • Motor driver current sensing and overcurrent protection
  • Notebook charger current monitoring
  • Industrial power supply current metering

The WSL2512R0680FEA from Vishay Dale is a 68mΩ (0.068Ω) ±1% Power Metal Strip current sense resistor in a 2512 (6432 metric) package rated at 1W. The 68mΩ value provides a 36% higher sense voltage compared to the 50mΩ variant at the same current, improving ADC measurement resolution in applications with lower maximum current. The ±75ppm/°C TCR and AEC-Q200 qualification ensure reliable operation in automotive and industrial environments. The Power Metal Strip welded construction provides excellent long-term stability and pulse withstanding capability.

The WSL2512R0680FEA uses Vishay’s Power Metal Strip construction with a solid metal alloy resistive element welded to copper terminals. The 68mΩ resistance is achieved by selecting the appropriate alloy composition and element geometry. The 4-terminal (Kelvin) pad layout enables precise voltage sensing by separating the current path from the sense connections. The all-welded metal construction provides ±75ppm/°C TCR and excellent pulse energy absorption capability. At 1A of current, the device develops 68mV of sense voltage, providing good resolution for current-sense amplifiers and ADCs.

Pin Name Type Function
1 I+ (Current In) Power High-current input terminal
2 S+ (Sense +) Sense Voltage sense positive (Kelvin connection)
3 I- (Current Out) Power High-current output terminal
4 S- (Sense -) Sense Voltage sense negative (Kelvin connection)
  • 12V automotive battery current sensing in start-stop system BMS (up to 15A)
  • Notebook USB-C PD charger 5A current monitoring with 340mV sense voltage
  • DC-DC converter current mode control with improved ADC resolution
  • Industrial servo motor drive phase current feedback
  • LED driver constant current loop feedback sense resistor
Manufacturer Part Number Package Notes
Vishay WSL2512R0500FEA 2512 50mΩ 1% lower value
Bourns CRA2512-FZ-R068ELF 2512 68mΩ 1% metal element
YAGEO RL2512FK-0R068L 2512 68mΩ 1% metal strip
Panasonic ERJMS1SF68mU 2512 68mΩ 1% metal plate
TE Connectivity 4-1879242-1 2512 68mΩ 1% metal element
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Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

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Contact Information

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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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