Aluminium Housed Power Resistors Type THS Series Type THS Series Characteristics - Electrical THS - 10 Watts to 75 Watts THS10 THS15 THS25 THS50 THS75 Dissipation @ 25°C with Heatsink (Watts): 10 15 25 50 75 Without Heatsink: 5.5 8 12.5 20 40 Ohmic Value Min (Ohms): R01 R01 R01 R01 R05 Max: 10K 15K 36K 50K 50K Max. Working Voltage (DC or ACrms) Volts: 160 265 550 1250 1400 Dielectric Strength (AC Peak) Volts: 1400 1400 2500 2500 5000 Stability (% resistance change, 1000 hours) (%):1 1 112 2 Standard Heatsink - Area (mm ): 41500 41500 53500 53500 99500 Tyco are the leading European Thickness (mm): 1 1 113 supplier of standard and custom Number of Mounting Holes: 2 hole 2 hole 2 hole 2 hole 4 hole designed aluminium housed resistors for general-purpose use, power supplies, power generation Characteristics - and the traction industry. Electrical The THS is a range of extremely stable, high quality wire wound Long Term Stability: For improvements in long-term stability, resistors must be derated as resistors capable of dissipating follows; for 50% of stated ΔR maximum dissipation must not exceed high power in a limited space with 70% of rating; for 25% of stated ΔR maximum, dissipation must not exceed 50% of rating relatively low surface temperature. The power is rapidly dissipated Insulation Resistance: Dry: 10,000MΩ minimum. After moisture test: 1000MΩ minimum. as heat through the aluminium Heat Dissipation: Although the use of proprietary heat sinks with lower thermal housing to a specified heatsink. resistance is acceptable, up rating is not recommended. The use of proprietary heat sink compound to improve thermal The resistors are made from quality conductivity is recommended for optimum performance of all sizes materials for optimum reliability and Specification: Temperature coefficient below 100R, 50ppm/°C stability. Tyco can test resistors to conform to relevant international, Temperature coefficient above 100R, 30ppm/°C MIL or customer specifications. Tolerance, 5% standard Key Features ■ Established product Product Specifications - L with proven reliability THS10 - THS75 • Leading the way with over 50 years of design and Type L manufacturing experience THS10, 15 7 ■ 10 Watts to 75 Watts THS25, 50 10 THS75 8 ■ Versatile product 5.0 • Bench mark in every industry Dimensions - Applications THS10 - THS50 ■ Braking Resistor M ■ Balancing Resistor L ■ Capacitor Charging H & Discharging ■ Crowbar ■ Filter ■ Electrical Machinery general use ■ Available through 2 x Mounting Hole Distribution THS10 - 2.4mm THS25 - 3.3mm THS15 - 2.4mm THS50 - 3.3mm Type H±0.3 J±0.3 L Max M Max N Max P Max R Min T±0.5 U Max THS10 11.3 12.4 17.0 30.0 17.0 9.0 1.9 3.4 2.5 THS15 14.3 15.9 21.0 36.5 21.0 11.0 1.9 5.2 3.2 THS25 18.3 19.8 29.0 51.8 28.0 15.0 2.8 7.2 3.2 THS50 39.7 21.4 51.0 72.5 30.0 17.0 2.8 7.9 3.2 Literature No. 1773277 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com Issued: 03-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com otherwise specified. N J R P U 4.0 T Aluminium Housed Power Resistors Type THS Series Dimensions - THS75 M L H 4 x Mounting Hole HSC75 - 4.4mm Type H±0.3 J±0.3 K±0.2 L Max M Max N Max P Max R Min T±0.5 U Max THS75 29.0 37.0 4.4 49.0 71.0 47.5 26.0 5.0 11.5 3.5 Derating Curve THS10 to THS75 THS75 75 60 THS50 50 40 30 THS25 20 THS15 THS10 10 0 -25 0 25 50 75 100 125 150 175 200 225 250275 Heatsink Temp. (degC) Pulse Energy THS10 to THS75 400 350 300 250 200 150 100 50 0 0.01 0.1 1 10 100 1000 10000 100000 Resistance (Ohms) THS10 THS15 THS25 THS50 THS75 Literature No. 1773277 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com Issued: 03-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com otherwise specified. N J Power (W) Pulse Energy (Joules) R P U T Aluminium Housed Power Resistors Type THS Series Power Overload 30 25 20 15 10 5 0 0.1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 20 25 30 40 60 Duration of Overload (secs) This graph indicates the amount that the rated power (at 20°C) of the standard HS Series resistor may be increased for overloads of 100mS to 60S Surface Temperature Rise 200 THS50 THS25 THS75 100 THS15 THS10 0 0 20 60 100 150 200 250 300 Power Dissipation (Watts) For resistor mounted on standard heatsink, related to power dissipation How to Order THS 50 680R J Common Part Power Rating Resistance Value Tolerance 0.1ohm 10 Watt = THS10 (100 mille ohms) THS- Standard 15 Watt = THS15 R10 NTHS - Low 25 Watt = THS25 J - 5% 1ohm Inductance 50 Watt = THS50 (1000 mille ohms) 75 Watt = THS75 1R0 1K (1000 ohms) 1KO Literature No. 1773277 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com Issued: 03-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com otherwise specified. Multiples of Rated Power Surface Temp. Rise (°C)