Vishay Intertechnology, Inc. Chassis Mount Resistors RER40F3400MCSL

The RER40F3400MCSL 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 joints and offers non-inductive styles manufactured using Ayrton-Perry winding, minimizing reactive components. This model has a power rating of 5 watts at 25 ¬8C and operates within a resistance range of 340 ohms with a tolerance of ¬±1%. It is suitable for use in a wide temperature range from -55 ¬8C to +250 ¬8C. The resistor's insulation resistance is a minimum of 10,000 MOc when dry and 1,000 MOc after moisture testing. It meets solderability requirements as per ANSI J-STD-002 and is designed to mount on a chassis to utilize the heat-sink effect effectively. Engineers considering this resistor should note its robust construction and military-grade specifications, making it suitable for demanding applications.