50W TO220 High Power Resistors MHP 50 Non-inductive, thin lm technology. Thermally enhanced Industry standard TO220 package. RoHS compliant. Low thermal resistance, 2.3 C/W resistor hot spot to metal tab. Complete thermal ow design available for easy implementation. Superior vibration durability. Small thin package for high density PCB installation. Applications High frequency circuits and wide band / linear ampliers. Switch mode and industrial RF power sources. AC motor control, electronic load and drive circuits. Automotive. Industrial PC modules (IPM) and measurement systems. Specications Items Specication Conditions Power Rating 50 Watts Tab Temp < 25C Power Rating 1 Watts Free air. Thermal Resistance 2.3C/W From hot spot to tab. Resistance Range 0.01-0.09 0.1-9.1 10-220 Extended resistance range to 51K available Nominal Resistance Series E6 E24 E24 Additional 2.0 and 5.0 also avail available TCR 250 ppm/C 100 ppm/C 50 ppm/C For -55 to +155C Tolerance +/-5% +/- 5% and 1% +/- 1% Operating Temp. Range -55 to +155 C Max. Operating Voltage. 500V or P.R Dielectric Withstand Voltage 2000 Volts DC 60 seconds. between terminals and ange Load Life R +/- (1.0 %+0.05 ) 25C, 90 min. ON, 30 min.OFF, 1000 hours. Temp. Cycle R +/- (0.25 %+0.05 ) -55 C,30 min.,+155 C,30 min., 5 cycles Humidity R +/- (1.0 %+0.05 ) 40C, 90-95% RH, DC 0.1W, 1000 hours. Soldering Heat (Max) R +/- (1.0 %+0.05 ) 250+/-5C, 3 seconds, Solderability Min 95% coverage 230+/-5C, 3 seconds. Insulation Resistance Over 1000 M Between terminals and metal back plate. Vibration R +/- (0.25 % ) Note: 1. For resistances from 220 to 51k the power rating shall be restricted to 30W. General Note TT electronics reserves the right to make changes in product specication without notice or liability. All information is subject to TT electronics own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com TT electronics plc 04.1250W TO220 High Power Resistors MHP 50 Electrical Performance Derating Temperature Rise Temperature Rise ( C) Rating Power (W) MHP 50 500 F 140 MHP 50 1K0 F 120 50 +25C 100 40 80 30 60 20 40 10 +155C 20 0 -50 0 50 100 150 200 0 Flange Temperature ( C) 0 10 20 30 40 50 Power (W) Pulse Energy Durability Frequency Characteristics Impedance (ohms) 1K Pulse peak power (W) MHP 50 1K0 F MHP50-100F 100K Tentative continuous-pulse power allowance at duty 0.01 MHP 50 101 F Load life test will be necessary in actual equipment. 10K 100 Because curve will be changed by resistance, repetition, duty and operating temperature. 1K 400W MHP 50 100 F 10 MHP 50 500 F 100 50W 10 MHP 50 220 F 10n 100n 1u 10u 100u 1m 10m 100m 1 10 100 1 Pulse width (seconds) 100K 1M 10M 100M 1G 10G Frequency (Hz) General Note TT electronics reserves the right to make changes in product specication without notice or liability. All information is subject to TT electronics own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com TT electronics plc 04.12