Vishay/Sfernice Supplier Page

RTO Power Thick Film Resistors 20 W and 50 W

 

Vishay and Digi-Key offer resistors with wide resistance range of 0.01 Ω to 1 MΩ


RTO Power Thick Film Resistors 20 W and 50 WVishay’s RTO thick film power resistors feature a compact, easy-to-mount TO-220 package, which measures just 10.1 mm by 15 mm and, when mounted on a heatsink, provides a high power-dissipation-to-size ratio that enables high power ratings of 20 W and 50 W.

A special manufacturing technique includes ohmic adjustment through sand trimming, a process that avoids the generation of hot spots – such as those caused by laser trimming – and therefore reduces the risk of microcracks on each side of the curve. The resulting resistor features high reliability and stability while also providing good overload capability.
  • Features
  • RTO 20
  • RTO 50

Features & Applications

Features Applications
  • TO-220 package: Compact and easy to mount
  • 20-W and 50-W power ratings available with through-hole or SMD versions
  • Broad resistance range: 0.01 Ω to 1 MΩ
  • Low thermal resistance down to 2.6°C/W
  • Non-inductive element
  • Industrial and medical power supplies
  • Test equipment
  • Power conversionRoHS Compliant
  • Current sensing
  • Snubbers

RTO 20 — 20 W Power Resistors, Thick Film Technology

Features Specifications
  • 20 W at 25°C heatsink mounted
  • High power dissipation to size ratio
  • Wide resistance range from 0.01 Ω to 550 kΩ
  • Negligible inductance
  • Two versions of this thick film resistor are available:
    • A radial leaded version for PCB mounting
    • A flat lead version for surface mounting
  • Resistance range – 0.010 Ω to 550 kΩ serie E24
  • Critical resistance – 3.12 kΩ
  • Tolerances (standard) – ±1% to ±10%
  • Temperature coefficient (standard) – ±150 ppm/°C
  • Temperature range – -55°C to +155°C
  • Package – TO-220 insulated case
  • Inductance – ≤ 0.1 µH

Digi-Key P/N Vishay P/N Resistance Temperature Coefficient Tolerance
RT20J-.010-ND RTO020FR0100JTE3 0.01 Ω ±900 ppm/°C ±5%
RT20J-10-ND RTO020F10R00JTE3 10 Ω ±150 ppm/°C ±5%
RT20J-1.0M-ND RTO020F10003JTE3 1.00 MΩ ±150 ppm/°C ±5%
     See ALL RTO 20 Parts at Digi-Key

Datasheet   |   Capabilities Brochure: Solutions for Off-Road Vehicles   |   Selector Guide

RTO 50 — 50 W Power Resistor, Thick Film Technology, TO-220

Features Specifications
  • 50 W at 25°C heatsink mounted
  • Adjusted by sand trimming
  • Leaded or surface mount versions
  • High power to size ratio
  • Non inductive element
  • Resistance range – 0.010 Ω to 550 kΩ serie E24
  • Tolerances (standard) – ±1% to ±10%
  • Temperature coefficient (standard) – ±150 ppm/°C
  • Temperature range – -55°C to +155°C
  • Package – TO-220 insulated case

Digi-Key P/N Vishay P/N Resistance Temperature Coefficient Tolerance
RT50J-.050-ND RTO050FR0500JTE1 0.05 Ω ±700 ppm/°C ±5%
RT50J-1.0-ND RTO050F1R000JTE1 1.00 Ω ±150 ppm/°C ±5%
RT50J-10K-ND RTO050F10001JTE1 10.0 kΩ ±150 ppm/°C ±5%
     See ALL RTO 50 Parts at Digi-Key

Datasheet   |   Capabilities Brochure: Solutions for Off-Road Vehicles   |   Selector Guide