MRP01010R00JE29NI Vishay Resistor (Resistors, Axial Diameter Horizontal Mounting) In Stock
Vishay MRP01010R00JE29NI is a 10 ohm, 10 W silicone-coated wirewound resistor in an axial-lead through-hole package measuring 45.21 x 9.14 mm, with 5% tolerance and designed for commercial power applications. The silicone coating provides moisture resistance and flame-retardant protection for safe operation in industrial environments. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Vishay
- Package
- Resistors, Axial Diameter Horizontal Mounting
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- MRP01010R00JE29NI Datasheet PDF
- Category
- Resistor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 10 W power rating in a 45.21 x 9.14 mm axial package handles high-current power dissipation without thermal runaway in open-air mounting
- Silicone-coated construction provides moisture, flame, and vibration resistance for reliable operation in harsh industrial and outdoor environments
- Wirewound construction delivers low inductance variation and stable resistance across wide temperature swings compared to carbon-composition alternatives
- Axial-lead through-hole format allows vertical or horizontal PCB mounting with standard lead spacing for flexible mechanical integration
Applications
The MRP01010R00JE29NI is used as a current-limiting, load, or bleeder resistor in industrial power supplies, motor control circuits, and energy discharge applications where 10 W or more of power must be dissipated reliably. Its silicone-coated body allows direct mounting on PCBs or chassis in humid and dusty environments such as HVAC controllers, variable-speed drives, and outdoor equipment enclosures. The wirewound construction and axial-lead format make it a practical replacement for ceramic wirewound resistors in high-power prototype and repair applications.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the power rating and resistance value of the MRP01010R00JE29NI, and what are typical use cases?
The MRP01010R00JE29NI is rated at 10 W with a resistance of 10 ohm and 5% tolerance. At full rated power it passes approximately 1 A of continuous current, making it suitable for motor braking resistors, dummy load applications in power supply testing, and inrush current limiters in 12 V to 24 V industrial drive circuits.
What physical dimensions does the MRP01010R00JE29NI have, and how does that affect PCB layout?
The resistor body measures 45.21 mm in length and 9.14 mm in diameter, following the MRP010 standard package outline. This size requires a PCB footprint with lead spacing of approximately 38 mm to 44 mm center-to-center depending on lead bend radius. In dense PCB layouts the component is typically mounted horizontally above the board surface with standoff clearance to allow adequate convective cooling at full 10 W dissipation.
How does the silicone coating on the MRP01010R00JE29NI protect the resistor in harsh environments?
The silicone overcoat provides a continuous moisture barrier rated to withstand humidity levels up to 95% relative humidity without degradation of the resistance element. It also adds a degree of flame retardancy and mechanical protection against vibration-induced cracking of the resistive wire. These properties make the silicone-coated version preferable to uncoated ceramic-body wirewound resistors in outdoor enclosures, marine electronics, and industrial control panels exposed to condensation or chemical fumes.
What tolerance does the MRP01010R00JE29NI carry, and when is a tighter tolerance wirewound version needed instead?
The MRP01010R00JE29NI carries a 5% (J) tolerance, meaning the actual resistance value at room temperature falls between 9.5 ohm and 10.5 ohm. For load balancing, precision current sensing (below 1%), or Wheatstone bridge arms requiring resistance tracking better than 1%, a 1% or 0.5% tolerance wirewound resistor from the same MRP010 series would be required. The 5% tolerance is adequate for most power dissipation, dummy load, and inrush limiting applications where exact resistance is less critical than power handling.
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About Vishay
Vishay is a leading electronic component manufacturer. FindMyChip sources Vishay ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
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