The RER70F42R2RCSL is a chassis mount wirewound resistor from Lingto Electronic Limited, designed for military applications and qualified to MIL-PRF-39009 standards. It features an aluminum heat sink housing and a molded construction that provides total environmental protection. The resistor is constructed with complete welded assembly and is available in non-inductive styles, utilizing Ayrton-Perry winding to minimize reactive components. This model has a power rating of 20 watts at 25 ¬8C and a resistance value of 42.2 ohms with a tolerance of ¬±1%. It operates effectively within a temperature range of -55 ¬8C to +250 ¬8C. The resistor is designed to mount on a chassis, leveraging the heat-sink effect for improved thermal management. It also meets stringent performance criteria, including low temperature operation, short time overload, and moisture resistance, ensuring reliability in demanding environments. Engineers considering this resistor should note its robust construction and military-grade specifications, making it suitable for applications requiring high reliability and performance.
RES 42.2ohm 20W 1% AXIAL LUGS
42.2 Ohms ±1% 20W Wirewound Chassis Mount Resistor
RES CHAS MNT 42.2 OHM 1% 20W
| ASAP Semiconductor LLC | DigiKey | Lingto Electronic Limited | |
|---|---|---|---|
| Product Category | Resistors | Resistors | Resistors |
| Product Number | RER70F42R2RCSL | RER70F42R2RCSL-ND | RER70F42R2RCSL |
| Product Name | RES 42.2 OHM 20W 1% AXIAL LUGS | Chassis Mount Resistors | Chassis Mount Resistors |
| Mounting / Packaging | Axial Leads | Axial, Box | Solder Lugs |
| Resistance Range | 42.2 ohms | 42.2 ohms | 42.2 ohms |
| Tolerance | 1 +/- % | 1 +/- % | 1 +/- % |
| Power Rating | 20 watts | 20 watts | 20 watts |
| Configuration | Single Resistor |
