Catalog excerpts
Silicon Coated Wire-Wound Power Resistors with mounting fixture - These resistors are suitable as loading resistor, braking resistor, capacitor discharge, Resistive Load simulation, Machinery, Machinery and Equipment higher power application. - Good for Continuous Load and Short Time Over Load application - Mounting fixture is available - Resistance Adjustable version is available : DSR-F series - Resistance Box and Load Bank available with power up to 2000kW. - Support Precision Resistance Tolerance requirement - Support Vitreous Enamel coating for harsh environment applications. DDR-F DSR-F adjustable Resistor E Resistor Derating Curve http://www.mf-powerresistor.com sales@mf-powerresistor.com
Open the catalog to page 1DNR–F Type – Low Inductance Wire Wound Resistors Electrical Characteristics : Testings Testing Conditions Testing Results Resistance Tolerance JIS-C-5202 5-1 testing voltage<3V 25C Standard +/-5% Temperature Coefficient JIS-C-5202 5-2 +/- 200 - 400ppm/C max. JIS-C-5202 5-4 40C at rated voltage △R<=+/-(1%+0.1ohm) surface temperature <=400C Rated Load 1hour Insulation Resistance JIS-C-5202 5-6 500Vdc 100M ohm min. Dielectric Withstand JIS-C-5202 5-7 1000Vdc 1min. between △R<=+/- (0.1%+0.05ohm) voltage Terminal and body JIS-C-5202 5-5 △R <= +/-(2%Ro + 0.1ohm) Short Time Overload DDR/DSR/DNR :...
Open the catalog to page 2Silicon Coated Wave Ribbon Wire-Wound Power Resistors - These resistors are suitable as Resistive Load simulation, Electric power distribution, Machinery, Power / Industrial Machinery, Instrument and Equipment higher power application; Automation control, particularly useful where high energy is to be dissipated in the lower ohmic ranges. Good for Continuous load and Short Time Over Load application Higher Current and better heat convection Resistance Adjustable version is available – DQS-F series Resistance Box and Load Bank available with power up to 2000KW. Support Precision Resistance...
Open the catalog to page 3DQN-F Type – Wave-Shape Low Inductance Wire Wound Resistors Electrical Characteristics : Testing Resistance Tolerance Temperature Coefficient Rated Load Insulation Resistance Dielectric Withstand voltage JIS-C-5202 5-7 1000Vdc 1min. JIS-C-5202 5-5 DQR/DQN : 5*rated power in 5 sec Short Time Overload DDVR : 50*rated power in 10 sec Flammability 1 - 6 times rated power 5min. +/- 200 - 350ppm/C max. △R<=+/-(1%+0.1ohm) surface temperature < 400C 100M ohm min. △R<=+/- (0.1%+0.05ohm) △R <= +/-(2%Ro + 0.1ohm) without combustion Part Number : Series + Rated Power + Resistance Value ( ohm ) +...
Open the catalog to page 4Silicon Coated Oval / Flat Type Wire-Wound Power Resistors Resistor Derating Curve - These resistors are suitable as loading resistor, braking resistor, capacitor discharge, Resistive Load simulation, Machinery, Machinery and Equipment higher power application. - Space saving - Low Inductance and Waved Ribbon type available - support Precision Resistance Tolerance requirement - mounting fixture is available, allow stacking into compact unit - Electrical Tab Terminal can be customized according to customer’s need. - With power up to 500W Oval / Flat Wire Wound Resistors Power Rating...
Open the catalog to page 5Vitreous Enamel Power Resistors - DVR This series of resistors is suitable as loading application, more stable, withstand humidity and higher temperature - low Inductance version is available - small resistor body size - withstand harsh working conditions Resistor Derating Curve - mounting fixture is available like DDR-F series - adjustable version is available DVSR - support multi tab terminals We support other resistance value that not listed above. rated Load % DVR- Vitreous Enamel Power Resistors Dimensions in mm Rated Power Resistance adjustable DVSR Electrical Characteristics :...
Open the catalog to page 6Aluminum Housing Wire Wound Power Resistors / Braking Resistors - Internal wire wound resistor is protected by external Aluminum Case from external mechanical force, humidity and dusty. - Suitable for industrial machinery and equipment, Variable Frequency Drives, Snubber circuits, heating resistors and Braking resistors - Excellent Short Time Over Load capacity. - Durable and can withstand stronger vibration. - Low temperature coefficient and better heat conduction. - support Low Inductance requirement - Precision Resistance Tolerance +/-0.1% +/-0.5% +/-1% +/-5% +/-10% -0/+5% -0/+10% -...
Open the catalog to page 7ASZ type : 1kW – 8kW Power can be customized up to 10kW We support other resistance value that not listed above.
Open the catalog to page 8Electrical Characteristics : Testing Testing Conditions Testing Results Resistance Tolerance Temperature Coefficient Rated Load Insulation Resistance Dielectric Withstand voltage JIS-C-5202 5-7 2000Vdc 1min. JIS-C-5202 5-5 5*rated power in 5 seconds ( can be customized according to customer's application need ) Short Time Overload Operating Temperature range Power Derate to Zero Resistor Derating Curve rated Load % Ambient Tem perature C Part Number : Series + Rated Power + Resistance Value ( ohm ) + Resistance Tolerance + Drawing Number ASQ 60 - 120W 0.01 ohm = R01 B= +/-0.1% D=+/-0.5%...
Open the catalog to page 9AHR type : - Aluminium housed Resistors are wound with Nickel Copper or Nickel Chromium wire on ceramic core fitted with end caps. The winded assembly is then encapsulated in a anodized Heat sink using high temperature moulding compound. - Low Inductance type is available - Resistance range : 0.01 ohm – 100k ohm - It is low cost, light weight and compact Electrical Specifications : Rated Power Terminals Temperature Coefficient Tolerance Dielectric Voltage Operating Temperature Overload – short time Derating 5Watts to 500Watts Soldering Lugs : 5 – 50W; Screw Threads : 75 – 500W +/-20ppm/C,...
Open the catalog to page 10High Voltage Resistors DHVR – Non-Inductive - it is vitreous Enamel coating for better resistor protection - can withstand 3-5 times the rated power for short time - standard resistor rated power : 0.5W - 500W - standard resistance range : 10k ohm - 100G ohm - surge voltage up to 200kV - support High Pulse Current requirement - rated temperature range : -55C - 70C Applications : - High Voltage divider - Measuring resistor - Electrostatics - Over voltage protection - Capacitor Discharge Please provide following working condition for quotation and delivery lead time : - Resistance value and...
Open the catalog to page 11