TEH100M7R50FE

TEH100 Series F e a t u r es • 100 Watt power rating at 25°C case temperature 100 Watt Thick Film Power Resistors for High • Non-inductive performance Frequency and Pulse Loading Applications • Low thermal resistance • RoHS compliant design Ohmite offers the totally • TO-247 package configuraencapsulated and insulated tion TO-247 package for low ohmic value and non-induc- • Single screw mounting tive design for high-frequen- simplifies attach-ment to cy and pulsing applications. the heat sink Ideal use is for power sup• A totally molded housing plies. This series is rated for enviromental protection at 100 Watts mounted to a • Non-Inductive design heat sink. • Resistor package totally insulated from heat sink c h a r a c te r i st i c s Resistor thick film on alumina Case high temperature plastic Lead Material Tinned Copper Installation, max. 0.9 Nm using an M3 screw and a Torque compression washer Derating linear, 100% at 25°C to 0% at 175°C Resistance range 0.05Ω to 1MΩ, other values on request Resistance tol. ±1%, ±2%, ±5%, ±10% Max. working voltage 350V Temperature >10Ω: 50ppm/°C, ref. to 25°C Coefficient 3 to 10Ω: 100ppm/°C 1 to 2.99Ω: 250ppm/°C 90%, cycle ∆R ≤ ±(0.50% + 0.0005Ω) tance 240 h Dielectric Strength 1,800 VAC THIS PRODUCT IS DESIGNED FOR USE WITH PROPER HEATSINKING. Performance 80 60 40 20 0 0 25 50 75 100 125 150 Bottom of base plate Temperature, °C 175 Derating (thermal resistance): 0.666W/°K (1.5K/W). Without a heatsink, when in free air at 25°C, the TEH100 is rated for 3.5W. Derating for temp. above 25°C is 0.0234W/°K. Graphed value is only valid when using a thermal conduction to the heatsink Rthcs