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| MHP TO-220 Series Power Resistor MHP Series * * * * * * TO-220 housing Low inductance (<50nH) Available in 20W, 35W, or 50W High stability film resistance elements RoHS compliant Approved to DSCC drawings 07017 and 07018 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 Type Power Rating1 Heatsink2 MHP-20 20W Free Air3 2.25W Voltage Rating4 Thermal Resistance Resistance Range Min 0.01 500V 5.9C/W 0.1 10 0.01 MHP-35 35W 2.25W 500V 3.3C/W 0.1 10 0.01 MHP-50 1 Tolerances 5% 1%, 5% 1%, 5% 5% 1%, 5% 1%,5% 5% 1%, 5% 1%,5% Max 0.09 9.1 51K 0.09 9.1 51K 0.09 9.1 51K Nominal Resistance E6 E24 E24 E6 E24 E24 E6 E24 E24 Typ. Temperature Coefficient5 250 ppm/C 150 ppm/C 50 ppm/C 250 ppm/C 150 ppm/C 50 ppm/C 250 ppm/C 150 ppm/C 50 ppm/C 50W 2.25W 500V 2.3C/W 0.1 10 Maximum current 25 amps 2 Power rating based on 25C tab temperature 3 Power rating based on 25C ambient temperature 4 Maximum voltage 500V or P x R 5 See TCR Chart for resistance values below 1ohm Pulse Energy Durability 10K Frequency Characteristics 10K MHP20LF 10K MHP20 MHP35 MHP50 Pulse Peak (Watts) 1K Damage Level Impedance (ohms) 1K MHP20LF 1K00 100 Safety Zone 10 1 100 MHP20LF 100R MHP20LF 50R0 10 100 1m 10m 100m 10 10K MHP20LF 22R0 100K 1M 10M 100M 1G Pulse Width (seconds) General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC's own data and is considered accurate at time of going to print. Frequency(Hz) Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com A subsidiary of TT electronics plc MHP TO220 Series Issue May 2009 MHP TO-220 Series Power Resistor Physical Data Dim Note: Metal tab is electrically isolated. A C L OD in (nom) 0.398 0.590 0.177 0.142 0.610 0.157 0.118 0.108 0.020 0.029 0.059 0.200 0.059 0.630 mm 10.1 .2 15.0 0.2 4.5 0.2 3.6 0.1 15.5 1.0 4.0 0.5 3 0.2 2.75 0.2 0.5 0.05 0.75 0.05 1.5 0.05 5.08 0.1 1.5 0.05 16.0 0.1 A B C N B G C L OD E F G H C MHP35 10K0 F LF0815 L F P E K J K C L M J C L H C L L M N P Lead Material Tab Material Tin Plated Copper Nickel Plated Copper Environmental Data Test Thermal Shock Moisture Resistance Vibration Load Life Resistance to Solder Heat Dielectric Withstanding Voltage Insulation Resistance (between terminal and tab) Solderability Operating Temperature Range * During soldering, the soldering temperature profile must not cause the metal tab of this device to exceed 220C. Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com Method MIL-STD-202 Method 107 Condition F MIL-STD-202 Method 106 MIL-STD-202 Method 204 Condition D MIL-STD-202 Method 108 1,000 Hours MIL-STD-202 Method 210 Condition B MIL-STD-202 Method 301 MIL-STD-202 Method 302 MIL-STD-202 Method 208 Specification - Performance 0.30% + 50m 1.0% + 50m 0.25% + 50m 1.0% + 50m 0.25% + 50m 2200 volts DC or 1500 volts AC; 60 seconds >1000M >95% coverage -55C to +155C MHP TO-220 Series Issue May 2009 MHP TO-220 Series Power Resistor Power Derating Data 100 140 120 Tfilm (C) Temperature Rise Data Resistor Film Temp Rise with Respect to Flange Temp MHP20 MHP35 MHP50 % of Rated Power 100 80 60 40 20 0 0 50 10 25 Flange Temperature (C) 155 5 10 15 20 25 30 Power (Watts) 35 40 45 50 Typical TCR For Low Values TCR (ppm/C) 0 to 100C 250 200 150 100 50 0 0.01 0.1 Resistance (Ohms) 1.0 Application Notes: 1. Insulating material is unnecessary between the heat sink and the tab, as the resistor film is isolated by the internal alumina substrate. 2. When mounting with a fastener, thermal grease is recommended. 3. Thermal design should satisfy the following equation: Case Temperature (Tc) + [Thermal Resistance (ROJC) x Power applied (Watts)] 155C over the full operating temperature of the application. 4. Resistor film temperature is not to exceed 155C during operation. 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. Ordering Data Prefix Style TFP - MHP20LF - 1R50 - J 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 Resistance Code 4-digit resistance code. Ex: 10R0 = 10, 1K00 = 1K Absolute Tolerance Code J = 5%; F = 1% Standard Packaging 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. Advanced Film Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com MHP TO-220 Series Issue May 2009 |
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