RCWE1206R100FKEA Vishay Resistor (Resistor Chip) In Stock
Vishay RCWE1206R100FKEA is a 0.10-ohm, 1206 (3216 metric) thick-film chip resistor with anti-sulfur protection, ±1% tolerance, and surface mount packaging rated at 0.25 W power dissipation. Designed for demanding industrial and automotive-grade environments with REACH compliance and enhanced reliability. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Vishay
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- RCWE1206R100FKEA Datasheet PDF
- Category
- Resistor
- Temp Range
- -55.0°C to 155.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 0.10-ohm resistance in a 1206 SMT package with ±1% tolerance suits precision current sensing and low-value resistance applications in power management circuits
- Anti-sulfur construction protects the thick-film resistor element from sulfurous atmospheres encountered in industrial, automotive, and outdoor equipment environments
- 3.1 mm x 1.6 mm x 0.6 mm profile with REACH-compliant, RoHS-compatible materials meets modern environmental and assembly standards for global distribution
Applications
The RCWE1206R100FKEA is used as a current sense resistor in motor drive circuits, power supply feedback networks, and battery management systems requiring accurate 0.10-ohm low-resistance sensing. Its anti-sulfur protection makes it ideal for industrial automation, automotive under-hood modules, and outdoor telecom equipment exposed to harsh gaseous environments. The 1206 package and 0.25 W rating balance thermal performance and board space efficiency across a wide range of power electronics designs.
Specifications
| Reach Compliance Code | Compliant |
| YTEOL | 12 |
| Additional Feature | ANTI-SULFUR |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.6mm |
| Package Length | 3.1mm |
| Package Style | SMT |
| Package Width | 1.6mm |
| Packing Method | TR, Punched Paper, 7 Inch |
| Rated Power Dissipation (P) | 0.5W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200 |
| Resistance | 0.1Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1206 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 100ppm/°C |
| Terminal Finish | MATTE TIN OVER NICKEL |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 0.2236V |
| Package | Resistor Chip |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At 0.10 ohm and 0.25 W, what is the maximum continuous current the RCWE1206R100FKEA can handle as a shunt resistor?
Applying P = I²R, the RCWE1206R100FKEA at 0.25 W and 0.10 ohm supports a maximum continuous current of approximately 1.58 A (sqrt(0.25 / 0.10)). In practice, designers derate to 70-80% of this limit, so a safe operating current is around 1.1 to 1.2 A, making it appropriate for low-current shunt measurement in battery management and motor control circuits.
Why is the anti-sulfur feature of RCWE1206R100FKEA important for industrial or automotive installations?
Sulfur compounds present in industrial atmospheres, rubber materials, and certain automotive environments can migrate into standard thick-film resistors and chemically attack the silver-bearing conductor layers, causing resistance drift or open failures. The anti-sulfur construction of the RCWE1206R100FKEA uses barrier layers that block sulfur ingress, ensuring the ±1% tolerance and 0.10-ohm value remain stable over the product's operational lifetime in harsh gaseous surroundings.
How does the 1206 package size of RCWE1206R100FKEA compare to 0805 for a current-sensing application with moderate power dissipation?
The 1206 package (3.1 mm x 1.6 mm) has a larger pad area than the 0805 (2.0 mm x 1.25 mm), which translates to better thermal dissipation to the PCB and support for up to 0.25 W versus a typical 0.125 W rating for 0805 resistors. For a 0.10-ohm current sense application where the resistor must sustain 1 A or more, the 1206 size of the RCWE1206R100FKEA provides the thermal headroom that an 0805 variant at the same resistance value would not.
Related Guides
How to Choose a Digital Potentiometer: AD5204, AD5206, and AD8403 Selection Guide
Compare the AD5204, AD5206, and AD8403 multi-channel SPI digipots by channel count, resistance value, and package to choose the right Analog Devices digital potentiometer for your design.
Jun 21, 2026
AD7745 / AD7746 / AD7747 Capacitance-to-Digital Converter Design Guide
Complete application note for the AD774x CDC family: circuit design, shielding, conversion rate selection, and sourcing guidance for the AD7745, AD7746, and AD7747.
Jun 21, 2026
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
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.
More from Vishay
4N35-X009T
Small Outline Packages
Transistor
A104K15X7RF5TAA
Capacitors, Polarized Axial Diameter Horizontal Mounting
Capacitor
AC01000004709JA100
Resistors, Axial Diameter Horizontal Mounting
Resistor
MCS0402MD1002BE100
Other
Resistor
MCS04020Z0000ZE000
Other
Resistor
BZX55B4V7-TR
Diodes, Axial Diameter Horizontal Mounting
Zener Diode
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”