TOKEN RGM Pulse Load MELF Resistors Metal Glaze Film Pulse Load Melf Resistors Pulse Load MELF (RGM) Provides Maximum Thermal Compliance Preview Providing design engineers with a family of resistors designed specifically for surge and pulse applications, Token Electronics’ family of power MELF resistors feature extended performance capability with ratings up to 3W. Consisting of the RGM16M, RGM17M, RGM18M, RGM72, RGM73 and RGM74 Series resistors, the devices in the power MELF family all use Token’s Metal Glaze resistive element on ceramic substrates. The RGM Anti-Surge Melf Series feature metal caps fitted on the terminals of the cylindrical resistor body to give the devices exceptional thermal compliance. The resistors in the power MELF family provide excellent thermal compliance as well as a variety of surge capabilities. The rugged RGM18M Series resistors are rated up to 3W and provide maximum thermal compliance, while the RGM72 and RGM73 Series resistors offer as much as three times the surge rating of standard resistors, which equates to up to 10 times the surge rating of similar-sized flat thick film chip resistors. The range of capabilities allows customers to select the best device to provide stable performance in harsh environment applications. The Metal Glaze thick film element on the RGM Series devices is fired at 1000°C to a solid ceramic substrate. The resistors feature power ratings of 0.125W, 0.25W, 0.5W, 1W, 2W and 3W at 70°C. Resistance values range from 50kΩ ~ 2GΩ with standard tolerance to ±0.5%, maximum voltage of up to 10000V and TCRs ±100ppm/°C. Maximum operating temperature for the resistors is +155°C. The RGM MELF Series is a perfect fit when an anti-surge resistor is required. Other major applications of RGM resistors are: AC mains protection, isolation between primary/secondary circuits in TVs, voltage dividers, ignition/switching circuit in electronic ballasts. Token will also produce MELF devices outside these specifications to meet customer requirements. Contact us with your specific needs. Applications : Applications : - Lead (Pb)-free and RoHS compliant. - Speciality metal glaze film technology. - Power dissipation rating at 70°C up to 3W. - Combine high resistance range with high voltage. - Temperature coefficient: ±100ppm/°C, ±200ppm/°C. - High pulse handling capability. DIN: 0207, 0411, 0617, 0823. - Tolerance range: ±0.5% to ±10%; Resistance range: 50K Ω ~ 2G Ω. - Electronic Ballast: Ignition, Switching Spark Circuit. - Home Appliances: Control Module for Surge Protection. - Test & Measurement: Voltage Divider and Surge Protection. - CTV, CRT Monitor: Isolation Resistor, Mains Protection, Discharge Path Resistor and Power Factor Control (PFC). Power Supply (SMPS): Voltage Divider, Isolation, PFC control, Mains Protection and Discharge Path Resistor. Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 03 TOKEN RGM Pulse Load MELF Resistors Dimensions & Recommended Soldering Bath Dimensions L D D1 H L1 Type Dimension Max.(mm) Recommended Soldering Bath Dimension (Unit: mm) S W K RGM72 RGM73 RGM74 RGM16M RGM17M RGM18M L 2.2 3.5 5.5 5.9 8.6 11.6 L1 1.0 1.6 3.5 3.9 6.2 8.8 D 1.3 1.3 2.1 2.1 3.1 3.6 K 0.4 0.8 1.0 1.2 1.5 1.6 D1 D+0/D-0.15 D+0/D-0.25 D+0/D-0.5 D+0/D-0.5 D+0/D-0.5 D+0/D-0.5 S 1.0 1.6 2.6 2.8 5.6 8.2 W 2.0 2.5 2.5 2.8 3.2 4.0 H 2.0 2.5 2.5 2.8 3.8 4.5 RGM72 RGM73 RGM74 RGM16M RGM17M RGM18M 50k ~ 200M 50k ~ 200M 50k ~ 1G 50k ~ 1G 100k ~ 2G 50k ~ 2G Characteristics Type Resistance range (Ω) Resistance Tolerance D(±0.5%); F(±1%); J(±5.0%); K(±10%) Temperature coefficient Rated dissipation (W) P70 ±100ppm/°C; ±200ppm/°C 0.125 0.25 0.50 1.0 2.0 3.0 Operating voltage (V) Umax 400 800 1500 3000 6000 10000 Short time over load voltage (V) 800 1500 3000 6000 10000 20000 Operating Temperature range Endurance, Max, resistance change at P70 ΔR/R max., after 1000h -55°C ~ 155°C 50k Ω ~ 10M Ω 50k Ω ~ 10M Ω 50k Ω ~ 22M Ω 50k Ω ~ 22M Ω ≤1.50% Insulation voltage >500V Insulation resistance >1GΩ 02 of 03 50k Ω ~ 22M Ω 50k Ω ~ 22M Ω http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN RGM Pulse Load MELF Resistors How to Order RGM16M 510K J TR Product type: RGM72, RGM73, RGM74, RGM16M, RGM17M, RGM18M Resistance Value: Code Resistance Value 51K 510K 5M1 51M 510M 51KΩ 510KΩ 5.1MΩ 51MΩ 510MΩ Resistance Tolerance (%) Code D F J K Resistance Tolerance ±0.5% ±1% ±5.0% ±10% Packaging Code T P Packaging Taping Reel Bulk Back to 1st Page - Metal Glaze Film Pulse Load Melf (RGM) Version 2010 http://www.token.com.tw/ rfq token.com.tw 03 of 03