50W TO220 OBSOLETE High Power Resistors MHP 50 · · · · · · · (Combined BI & IRC Datasheets) Non-inductive, thin film technology. Thermally enhanced Industry standard TO220 package. RoHS compliant. Low thermal resistance, 2.3 °C/W resistor hot spot to metal tab. Complete thermal flow design available for easy implementation. Superior vibration durability. Small thin package for high density PCB installation. Applications · · · · · High frequency circuits and wide band / linear amplifiers. Switch mode and industrial RF power sources. AC motor control, electronic load and drive circuits. Automotive. Industrial PC modules (IPM) and measurement systems. Specifications Items Power Rating Specification 50 Watts Conditions @ Tab Temp < 25°C Power Rating 1 Watts Free air. Thermal Resistance 2.3°C/W From hot spot to tab. Resistance Range Nominal Resistance Series TCR Tolerance 0.01-0.09 Ω 0.1-9.1 Ω 10-220 Ω Extended resistance range to 51KΩ available Additional 2.0Ω and 5.0 Ω also avail available E6 E24 E24 250 ppm/°C 100 ppm/°C 50 ppm/°C +/-5% +/- 5% and 1% +/- 1% Operating Temp. Range Max. Operating Voltage. -55 to +155 °C 500V or √ P.R Dielectric Withstand Voltage 2000 Volts DC For -55 to +155°C 60 seconds. between terminals and flange Load Life R +/- (1.0 %+0.05 Ω) 25°C, 90 min. ON, 30 min.OFF, 1000 hours. Temp. Cycle R +/- (0.25 %+0.05 Ω) -55 °C,30 min.,+155 °C,30 min., 5 cycles Humidity R +/- (1.0 %+0.05 Ω) 40°C, 90-95% RH, DC 0.1W, 1000 hours. Soldering Heat (Max) Solderability Insulation Resistance Vibration R +/- (1.0 %+0.05 Ω) Min 95% coverage Over 1000 MΩ R +/- (0.25 % Ω) 250+/-5°C, 3 seconds, 230+/-5°C, 3 seconds. Between terminals and metal back plate. Note: 1. For resistances from 220 to 51k Ω the power rating shall be restricted to 30W. General Note TT electronics reserves the right to make changes in product specification 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 50W TO220 High Power Resistors OBSOLETE 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 Flange Temperature (°C) 200 0 0 Pulse Energy Durability Pulse peak power (W) 10 20 Impedance (ohms) 1K MHP 50 1K0 F MHP50-100F 30 Power (W) 40 50 Frequency Characteristics 100K 10K 1K Tentative continuous-pulse power allowance at duty 0.01 Load life test will be necessary in actual equipment. Because curve will be changed by resistance, repetition, duty and operating temperature. 400W MHP 50 100 F 100 10 10n MHP 50 101 F 100 10 50W MHP 50 500 F MHP 50 220 F 100n 1u 10u 100u 1m 10m 100m Pulse width (seconds) 1 10 100 1 100K 1M 10M 100M Frequency (Hz) 1G 10G General Note TT electronics reserves the right to make changes in product specification 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 OBSOLETE MHP TO-220 Series Power Resistor OBSOLETE MHP Series · · · s· s· s · s TO-220 housing Low inductance and capacitance for high frequency circuits Available in 20W, 35W, or 50W High stability film resistance elements RoHS compliant Approved to DSCC drawings 07017 and 07018 s s IRC’s MHP series resistors satisfy demanding applications for accurate and stable power resistors housed in the convenient TO-220 case. The resistance element is isolated from the mounting tab by an alumina ceramic layer, providing very low thermal resistance and ensuring high insulation resistance between terminals and tab. The non-inductive design makes these products especially useful in high frequency and high speed pulse applications. Electrical Data Power Rating1 Type MHP-20 MHP-35 MHP-50 Voltage Rating4 Heatsink2 Free Air3 20W 2.25W 35W 2.25W 50W 2.25W 500V 500V 500V Thermal Resistance 5.9°C/W 3.3°C/W 2.3°C/W Resistance Range Min Max 0.01Ω 0.09Ω 0.1Ω 9.1Ω 10Ω 51KΩ 0.01Ω 0.09Ω 0.1Ω 9.1Ω 10Ω 51KΩ 0.01Ω 0.09Ω 0.1Ω 9.1Ω 10Ω 51KΩ Tolerances Nominal Resistance Series5 Typ. TCR (ppm/°C) Inductance Capacitance ±1%, ±5% E24 Includes 2.5 & 5.0 multiplier See Chart <9nH <2pF ±1%, ±5% E24 Includes 2.5 & 5.0 multiplier See Chart <9nH <2pF ±1%, ±5% E24 Includes 2.5 & 5.0 multiplier See Chart <10nH <2pF 1 Maximum current 25 amps Power rating based on 25°C tab temperature Power rating based on 25°C ambient temperature 4 Maximum voltage 500V or √P x R 5 Contact factory for availability of resistance or tolerance values outside this range 2 3 Frequency Characteristics Pulse Energy Durability Pulse Peak (Watts) MHP35 MHP50 10K Impedance (ohms) MHP20 10K Damage Level 1K 100 1K MHP20LF 10K MHP20LF 1K00 MHP20LF 100R 100 MHP20LF 50R0 Safety Zone MHP20LF 22R0 10 10µ 100µ 1m 10m 100m 10 10K Pulse Width (seconds) 100K 1M 10M 100M 1G Frequency(Hz) General Note TT electronics reserves the right to make changes in product specification 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 09. 11 MHP TO-220 Series Power Resistor OBSOLETE MHP Series Physical Data Note: Metal tab is electrically isolated. A G ØD C L C L N B Dim in (nom) mm A 0.398 10.1 ±.2 B 0.591 15.0 ±0.2 C 0.177 4.5 ±0.2 ØD 0.142 3.6 ±0.1 E 0.610 15.5 ±1.0 F 0.158 4.0 ±0.5 G 0.118 3.0 ±0.2 H 0.108 2.75 ±0.2 J 0.020 0.5 ±0.05 K 0.030 0.75 ±0.05 L 0.059 1.5 ±0.05 M 0.200 5.08 ±0.1 C P L F E K J H M C L C L C L Case, Epoxy UL94-V0 Leads, Sn Plated Cu Conductor, Cu Resistor, Ni-Cr or RuO Substrate, Alumina Tab, Ni Plated Cu Insulated Between Tab and Resistor Lead Material Tin Plated Copper N 0.059 1.5 ±0.05 Tab Material Nickel Plated Copper P 0.630 16.0 ±0.1 Environmental Data Test Method Specification - Performance MIL-STD-202 Method 107 Condition F ±0.30% + 50mΩ MIL-STD-202 Method 106 ±1.0% + 50mΩ Vibration MIL-STD-202 Method 204 Condition D ±0.25% + 50mΩ Load Life MIL-STD-202 Method 108 1,000 Hours ±1.0% + 50mΩ Resistance to Solder Heat MIL-STD-202 Method 210 Condition B ±0.25% + 50mΩ Dielectric Withstanding Voltage MIL-STD-202 Method 301 2200 volts DC or 1500 volts AC; 60 seconds Insulation Resistance (between terminal and tab) MIL-STD-202 Method 302 >1000MΩ Solderability MIL-STD-202 Method 208 >95% coverage Thermal Shock Moisture Resistance Operating Temperature Range -55°C to +155°C * During soldering, the soldering temperature profile must not cause the metal tab of this device to exceed 220°C. General Note TT electronics reserves the right to make changes in product specification 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 09. 11 MHP TO-220 Series Power Resistor OBSOLETE MHP Series Power Derating Data Temperature Rise Data 140 50 MHP20 MHP50 MHP35 100 80 60 40 20 0 0 10 25° Flange Temperature (°C) 5 10 155° 15 20 25 30 Power (Watts) 35 40 45 50 Tube Packaging Data Typical TCR For Low Values TCR (ppm/°C) 0 to 100°C Resistor Film Temp Rise with Respect to Flange Temp 120 $Tfilm (°C) % of Rated Power 100 Tube Dimensions 250 Dim Nom. (mm) Tol. (mm) A 3.25 0.15 200 150 100 G 50 0.01 F 0.1 1.0 Resistance (Ohms) E A B B 8.0 0.15 C 16.25 0.15 D 34.4 (34.0) E 6.4 (6.0) F R0.7 (R0.5) G 535.0 1.0 C D Ordering Data Prefix TFP - MHP20LF - 1R50 - J Application Notes: - L04 Style 1. Insulating material is unnecessary between the heat sink and the tab, as the resistor film is isolated by the internal alumina substrate. MHP20LF = 20W, TO-220 style power resistor MHP35LF = 35W, TO-220 style power resistor 07017 = DSCC drawing (07017) ver. of above MHP50LF = 50W, TO-220 style power resistor 07018 = DSCC drawing (07018) ver. of above 2. When mounting with a fastener, thermal grease is recommended. 3. Thermal design should satisfy the following equation: Tab Resistance Code Temperature (TT) + [Thermal Resistance (RQJT) x Power applied (Watts)] ≤ 155°C over the full operating temperature 4-digit resistance code. Ex: 10R0 = 10Ω, 1K00 = 1KΩ of the application. Absolute Tolerance Code 4. Resistor film temperature is not to exceed 155°C during operation. J = ±5%; F = ±1% Standard Packaging L04 = RoHS compliant tube (50 pcs per tube) For additional information or to discuss your specific requirements, please contact our Applications Team using the contact details below. 5. This product is RoHS compliant by exemption according to RoHS directive 2002/95/EC exemptions 5 & 7, as they apply to lead in glass and internal solder connections. General Note TT electronics reserves the right to make changes in product specification 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 09. 11