WSL0603R0250FEA Vishay Resistor (Other) In Stock
Vishay WSL0603R0250FEA is a 0.025Ω, 1W current sensing chip resistor in a 0603 (1608 metric) SMD package with anti-sulfur protection and ±1% tolerance. Features low resistance and high power handling for accurate inline current measurement. Available in stock with worldwide shipping.
- Manufacturer
- Vishay
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- WSL0603R0250FEA Datasheet PDF
- Category
- Resistor
- Price
- From $0.2084(MOQ 25)
- Temp Range
- -65.0°C to 170.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of WSL0603R0250FEA?
- 0.025Ω resistance with ±1% tolerance enabling precise current sensing with minimal voltage drop in power conversion circuits
- 1W power rating in the compact 0603 (1.52mm × 0.406mm) SMD package for high-current measurement without excessive PCB area
- Anti-sulfur construction providing superior long-term reliability in harsh environments with sulfur-containing atmospheres such as industrial and automotive settings
What is WSL0603R0250FEA used for?
The WSL0603R0250FEA is designed for precision current sensing and overcurrent detection in DC-DC converters, battery management systems, and motor control circuits. Its 0.025Ω resistance minimizes I²R power loss while still providing a measurable voltage signal proportional to load current at 1A or more. The anti-sulfur 0603 package makes it well suited for high-reliability industrial, automotive, and telecom power supply designs.
What are the specifications of WSL0603R0250FEA?
| Reach Compliance Code | Compliant |
| Factory Lead Time | 10Weeks |
| YTEOL | 12 |
| Additional Feature | ANTI-SULFUR |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.406mm |
| Package Length | 1.52mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 0.76mm |
| Packing Method | TR, PUNCHED PAPER, 7 INCH |
| Rated Power Dissipation (P) | 0.1W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200 |
| Resistance | 0.025Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 0603 |
| Surface Mount | YES |
| Technology | METAL STRIP |
| Temperature Coefficient | 110ppm/°C |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 0.05V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
| Country of Origin | Iceland, Mexico, USA |
Where can I find the WSL0603R0250FEA datasheet?
WSL0603R0250FEA Datasheet DownloadOfficial datasheet from Vishay
What are equivalent replacements for WSL0603R0250FEA?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resistance value and tolerance does the WSL0603R0250FEA provide for current sensing applications?
The WSL0603R0250FEA has a resistance of 0.025Ω (25mΩ) with a ±1% tolerance. At 1A of load current, it produces a 25mV sense voltage, which is well within the input range of most current-sense amplifiers. This low resistance minimizes power dissipation losses in high-current paths while maintaining sensing accuracy across temperature.
How does the anti-sulfur construction of WSL0603R0250FEA extend service life in harsh environments?
Vishay's anti-sulfur construction uses sealed electrode materials that resist silver sulfide formation, which is a common failure mode for standard thick-film resistors in environments with sulfur-bearing gases such as industrial facilities, automotive engine compartments, and outdoor telecom cabinets. This protection can extend the resistor's reliable service life beyond 10 years in sulfur-contaminated environments compared to standard chip resistors.
Can WSL0603R0250FEA handle 1A continuous current in a typical PCB application, and what is its power dissipation?
At 1A, the WSL0603R0250FEA dissipates P = I² × R = 1² × 0.025 = 25mW, well within its 1W power rating, leaving a large safety margin. Even at 5A, dissipation is 625mW, still below the 1W limit with adequate PCB copper area for heat spreading. This makes the resistor suitable for current sensing in motor driver and battery charger circuits up to several amperes.
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Why Buy from FindMyChip
About Vishay
Vishay is a leading electronic component manufacturer. FindMyChip sources Vishay ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $0.7260 | $18.15 |
| 100+ | $0.2628 | $26.28 |
| 250+ | $0.2575 | $64.38 |
| 500+ | $0.2160 | $108.00 |
| 20000+ | $0.2095 | $4190.40 |
| 40000+ | $0.2084 | $8337.60 |
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