TM TM RoHS compliant products RoHS compliant products Examples of Applied Circuits and Eects of Noise SuppressionExamples of Applied Circuits and Eects of Noise Suppression 2 Noise Suppression Devices SPIKE KILLER 2 Noise Suppression Devices SPIKE KILLER Standard Specications Example CircuitSelf-Exiting Single Flyback(RCC) TM SPIKEK KILLER *1 2 2 2 3 Rectangular Mean Flux Coercive Eective core Finished Dimensions mm Core Size mm Insulating Total Flux 3 3 TM Path Length Ratio 100% Type No. Force cross section Wired AMOBEADS 2 Cover O.D. I.D. H.T O.D. I.D. H.T Ae mm Lm mm c Wb min Hc A/m Br/Bm % SS7X4X3W 9.1 3.3 4.8 7.5 4.5 3.0 3.38 18.8 3.15 90% L PET case SS10X7X4.5W 11.5 5.8 6.6 10.0 7.0 4.5 5.06 26.7 4.73 22max 90min Black + 80% Diode Clamp SS14X8X4.5W 15.8 6.8 6.6 14.0 8.0 4.5 10.1 34.6 9.46 SR Q1 Cg Rg CR Snubber 70% R *1 Tolerance 0.2mm*2 Reference value *3 Measuring condition100kHz80A/m (sine wave), R.T. 60% C 50% TM SPIKE KILLER : Registered trademarks of TOSHIBA MATERIALS Co., Ltd. TM SPIKE KILLER : Resistered in U.S.A., France, Germany, U.K., Japan. TM 40% SRWired AMOBEADS 0 0.5 1 1.5 2 2.5 3 JPN.P. No. 3190775 Toshiba Materials Co. Ltd. Output Currrent USP No. 5745353 Power Supply EciencyVin:DC140V, Vo:24V) TM TM Example of EectsDelaytor Wired SPIKE KILLER and AMOBEADS TM Wired AMOBEADS CR Snubber Diode Clamp 1 2 * * (101500F Current Wire Dia. N Flux Dimensions mm 680.022F AB44DY0307 applied Type No. Core No. A mm turn uWb A max B max Swirching AB44DY0305 AB4x2x4.5DY 0.5 0.3 5 13.5 7 9 Waveform AB44DY0307 AB4x2x4.5DY 0.5 0.3 7 18.9 7 9 SS07S0309 SS7x4x3W 0.5 0.3 9 28.3 12 8 Vds 100V/div AB34DY0402 AB3x2x4.5DY 1.0 0.4 2 2.6 6 9 B AB34DY0403 AB3x2x4.5DY 1.0 0.4 3 3.9 6 9 Id AB44DY0402 AB4x2x4.5DY 1.0 0.4 2 5.4 7 9 1A/div 3max A AB44DY0403 AB4x2x4.5DY 1.0 0.4 3 8.1 7 9 AB44DY0404 AB4x2x4.5DY 1.0 0.4 4 10.8 7 9 SS07S0507 SS7x4x3W 1.5 0.5 7 22.1 12 8 Turn-on SS07S0510 SS7x4x3W 1.5 0.5 10 31.5 12 8 Waveform SS07S0515 SS7x4x3W 1.5 0.5 15 47.3 12 8 soldered SS10S05105 SS10x7x4.5W 1.5 0.5 5 23.7 14 10 Vds 100V/div SS10S05107 SS10x7x4.5W 1.5 0.5 7 33.1 14 10 Type of wire1UEW SS10S05110 SS10x7x4.5W 1.5 0.5 10 47.3 14 10 SS10S09110 SS10x7x4.5W 5 0.9 10 47.3 15 11 Id SS14S09108 SS14x8x4.5W 5 0.9 8 75.7 20 11 0.5A/div SS14S09205 SS14x8x4.5W 10 0.9x2 5 47.3 20 11 *1 Typical Value, using a cross section of winding wire *2Total Flux of core turn Output Voltage Noise dB/div Example of applied circuit and its characterisitic Without Countermeasure Vn 20mV/div FM radio band Snubber Chopper Converter Testing Condition of Radiant Noise Measurment TM Wired AMOBEADS delay the turn-on time of the MOSFET when they are inserted between the gate of Input 20 V the MOSFET and drive winding on the primary side of the self-exiting single yback (RCC). The wired Output 12 V 2 A TM TM AMOBEADS AMOBEADS reduce both noise, due to surge current and switching loss, by turning on the switching Frequency 90kHz element at the point when the voltage of the transformer becomes low, utilizing the the LC resonance Rectier FRD phenomenon induced by inductance L of the primary winding of the transformer and a snubber capacitor C. 12 24 36 48 60 72 84 96 108 120 Detector Simple Loop Antenna FrequencyMHz Note : The diode clamp circuit has a tendency to increase the out put noise. - 12 - - 13 - 8 Noise Radiation 155 Eciency TM TM RoHS compliant products RoHS compliant products Examples of Applied Circuits and Eects of Noise SuppressionExamples of Applied Circuits and Eects of Noise Suppression 2 Noise Suppression Devices SPIKE KILLER 2 Noise Suppression Devices SPIKE KILLER Standard Specications Example CircuitSelf-Exiting Single Flyback(RCC) TM SPIKEK KILLER *1 2 2 2 3 Rectangular Mean Flux Coercive Eective core Finished Dimensions mm Core Size mm Insulating Total Flux 3 3 TM Path Length Ratio 100% Type No. Force cross section Wired AMOBEADS 2 Cover O.D. I.D. H.T O.D. I.D. H.T Ae mm Lm mm c Wb min Hc A/m Br/Bm % SS7X4X3W 9.1 3.3 4.8 7.5 4.5 3.0 3.38 18.8 3.15 90% L PET case SS10X7X4.5W 11.5 5.8 6.6 10.0 7.0 4.5 5.06 26.7 4.73 22max 90min Black + 80% Diode Clamp SS14X8X4.5W 15.8 6.8 6.6 14.0 8.0 4.5 10.1 34.6 9.46 SR Q1 Cg Rg CR Snubber 70% R *1 Tolerance 0.2mm*2 Reference value *3 Measuring condition100kHz80A/m (sine wave), R.T. 60% C 50% TM SPIKE KILLER : Registered trademarks of TOSHIBA MATERIALS Co., Ltd. TM SPIKE KILLER : Resistered in U.S.A., France, Germany, U.K., Japan. TM 40% SRWired AMOBEADS 0 0.5 1 1.5 2 2.5 3 JPN.P. No. 3190775 Toshiba Materials Co. Ltd. Output Currrent USP No. 5745353 Power Supply EciencyVin:DC140V, Vo:24V) TM TM Example of EectsDelaytor Wired SPIKE KILLER and AMOBEADS TM Wired AMOBEADS CR Snubber Diode Clamp 1 2 * * (101500F Current Wire Dia. N Flux Dimensions mm 680.022F AB44DY0307 applied Type No. Core No. A mm turn uWb A max B max Swirching AB44DY0305 AB4x2x4.5DY 0.5 0.3 5 13.5 7 9 Waveform AB44DY0307 AB4x2x4.5DY 0.5 0.3 7 18.9 7 9 SS07S0309 SS7x4x3W 0.5 0.3 9 28.3 12 8 Vds 100V/div AB34DY0402 AB3x2x4.5DY 1.0 0.4 2 2.6 6 9 B AB34DY0403 AB3x2x4.5DY 1.0 0.4 3 3.9 6 9 Id AB44DY0402 AB4x2x4.5DY 1.0 0.4 2 5.4 7 9 1A/div 3max A AB44DY0403 AB4x2x4.5DY 1.0 0.4 3 8.1 7 9 AB44DY0404 AB4x2x4.5DY 1.0 0.4 4 10.8 7 9 SS07S0507 SS7x4x3W 1.5 0.5 7 22.1 12 8 Turn-on SS07S0510 SS7x4x3W 1.5 0.5 10 31.5 12 8 Waveform SS07S0515 SS7x4x3W 1.5 0.5 15 47.3 12 8 soldered SS10S05105 SS10x7x4.5W 1.5 0.5 5 23.7 14 10 Vds 100V/div SS10S05107 SS10x7x4.5W 1.5 0.5 7 33.1 14 10 Type of wire1UEW SS10S05110 SS10x7x4.5W 1.5 0.5 10 47.3 14 10 SS10S09110 SS10x7x4.5W 5 0.9 10 47.3 15 11 Id SS14S09108 SS14x8x4.5W 5 0.9 8 75.7 20 11 0.5A/div SS14S09205 SS14x8x4.5W 10 0.9x2 5 47.3 20 11 *1 Typical Value, using a cross section of winding wire *2Total Flux of core turn Output Voltage Noise dB/div Example of applied circuit and its characterisitic Without Countermeasure Vn 20mV/div FM radio band Snubber Chopper Converter Testing Condition of Radiant Noise Measurment TM Wired AMOBEADS delay the turn-on time of the MOSFET when they are inserted between the gate of Input 20 V the MOSFET and drive winding on the primary side of the self-exiting single yback (RCC). The wired Output 12 V 2 A TM TM AMOBEADS AMOBEADS reduce both noise, due to surge current and switching loss, by turning on the switching Frequency 90kHz element at the point when the voltage of the transformer becomes low, utilizing the the LC resonance Rectier FRD phenomenon induced by inductance L of the primary winding of the transformer and a snubber capacitor C. 12 24 36 48 60 72 84 96 108 120 Detector Simple Loop Antenna FrequencyMHz Note : The diode clamp circuit has a tendency to increase the out put noise. - 12 - - 13 - 9 Noise Radiation 155 Eciency