-12-
-13-
JPN.P. No.3190775
ToshibaMaterialsCo.Ltd.
USP No.5745353  〃
DiodeClamp
（68ｋΩ、0.022μF）
CRSnubber
(10Ω、1500ｐF）
WiredAMOBEADS
AB44DY0307applied
Vds
100V/div
Id
1A/div
Swirching
Waveform
Turn-on
Waveform
OutputVoltage
Noise
Vds
100V/div
Id
0.5A/div
Vn
20mV/div
ExampleofEffects（Delaytor）
*1Tolerance±0.2［mm］ *2Referencevalue
*3Measuringcondition：100kHz、80A/m(sinewave),R.T.
3．
NoiseSuppressionDevicesSPIKEKILLER
3．
NoiseSuppressionDevicesSPIKEKILLER
SS7X4X3W
9.1 3.3 4.8 7.5 4.5 3.0 3.38 18.8 3.15
SS10X7X4.5W 11.5 5.8 6.6 10.0 7.0 4.5 5.06 26.7 4.73 
SS14X8X4.5W
15.8 6.8 6.6 14.0 8.0 4.5 10.1 34.6 9.46 
22max90min
*1
☆"SPIKEKILLER ":RegisteredtrademarksofTOSHIBAMATERIALSCo.,Ltd.
☆"SPIKEKILLER ":ResisteredinU.S.A.,France,Germany,U.K.,Japan.
SPIKEKKILLER
*1：TypicalValue,usingacrosssectionofwindingwire 
*2：TotalFluxofcore×turn
ChopperConverter
Exampleofappliedcircuitanditscharacterisitic
ExampleCircuit：Self-ExitingSingleFlyback(RCC)
WiredAMOBEADSdelaytheturn-ontimeoftheMOSFETwhentheyareinsertedbetweenthegateofthe
MOSFET and drive winding on the primary side of the self-exiting single flyback (RCC). The wired
AMOBEADS reduce both noise, due to surge current and switching loss, by turning on the switching
element at the point when the voltage of the transformer becomes low, utilizing the the LC resonance
phenomenoninducedbyinductanceLoftheprimarywindingofthetransformerandasnubbercapacitorC.
Note:Thediodeclampcircuithasatendencytoincreasetheoutputnoise.
PowerSupplyEfficiency（Vin:DC140V,Vo:24V)
100%
90%
80%
70%
60%
50%
40%
0 0.5 1 1.5 2 2.5 3
OutputCurrrent［Ａ］
Eficiency［％］
CRSnubber
WiredAMOBEADS
DiodeClamp
Typeofwire：1UEW
3max
soldered

A
15±5
B
SR：WiredAMOBEADS
L
RgCgQ1
R
C
+
SR
Current
*1 
WireDia.
N
 Flux*2


Dimensions[mm]
AB44DY0305 AB4x2x4.5DY 0.5 0.3 5 13.5 7 9
AB44DY0307 AB4x2x4.5DY 0.5 0.3 7 18.9 7 9
SS07S0309 SS7x4x3W 0.5 0.3 9 28.3 12 8
AB34DY0402 AB3x2x4.5DY 1.0 0.4 2 2.6 6 9
AB34DY0403 AB3x2x4.5DY 1.0 0.4 3 3.9 6 9
AB44DY0402 AB4x2x4.5DY 1.0 0.4 2 5.4 7 9
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
SS07S0510 SS7x4x3W 1.5 0.5 10 31.5 12 8
SS07S0515 SS7x4x3W 1.5 0.5 15 47.3 12 8
SS10S05105 SS10x7x4.5W 1.5 0.5 5 23.7 14 10
SS10S05107 SS10x7x4.5W 1.5 0.5 7 33.1 14 10
SS10S05110 SS10x7x4.5W 1.5 0.5 10 47.3 14 10
SS10S09110 SS10x7x4.5W 5 0.9 10 47.3 15 11
SS14S09108 SS14x8x4.5W 5 0.9 8 75.7 20 11
SS14S09205 SS14x8x4.5W 10 0.9x2 5 47.3 20 11
Input 20[V］
Output 12[V]／2[A]
Frequency 90kHz
Rectifier FRD
Detector SimpleLoopAntenna
TestingConditionofRadiantNoiseMeasurment
RoHS
compliantproducts
RoHS
compliantproducts
StandardSpecifications
＊
2
＊
2
＊
2
＊
3
＊
3
＊
3
TypeNo.
TypeNo. CoreNo.
PETcase
Black
FinishedDimensions[mm]
Insulating
Cover
CoreSize[mm]
Effectivecore
crosssection
Ae[mm2] Lm[mm] φc[μWb]min Hc[A/m] Br/Bm[%]
MeanFlux
PathLength TotalFlux
O.D. I.D. H.TO.D. I.D. H.T
Coercive
Force
Rectangular
Ratio
WiredSPIKEKILLERandAMOBEADS
 [A] [φmm] [turn] [uWb] A
max
B
max
12 24 36 48 60 72 84 96 108 120
Frequency［MHz］
FMradioband
AMOBEADS 
WithoutCountermeasure
[dB/div]
ＣＲSnubber
NoiseRadiation
ExamplesofAppliedCircuitsandEffectsofNoiseSuppression
ExamplesofAppliedCircuitsandEffectsofNoiseSuppression
-12-
-13-
JPN.P. No.3190775
ToshibaMaterialsCo.Ltd.
USP No.5745353  〃
DiodeClamp
（68ｋΩ、0.022μF）
CRSnubber
(10Ω、1500ｐF）
WiredAMOBEADS
AB44DY0307applied
Vds
100V/div
Id
1A/div
Swirching
Waveform
Turn-on
Waveform
OutputVoltage
Noise
Vds
100V/div
Id
0.5A/div
Vn
20mV/div
ExampleofEffects（Delaytor）
*1Tolerance±0.2［mm］ *2Referencevalue
*3Measuringcondition：100kHz、80A/m(sinewave),R.T.
3．
NoiseSuppressionDevicesSPIKEKILLER
3．
NoiseSuppressionDevicesSPIKEKILLER
SS7X4X3W
9.1 3.3 4.8 7.5 4.5 3.0 3.38 18.8 3.15
SS10X7X4.5W 11.5 5.8 6.6 10.0 7.0 4.5 5.06 26.7 4.73 
SS14X8X4.5W
15.8 6.8 6.6 14.0 8.0 4.5 10.1 34.6 9.46 
22max90min
*1
☆"SPIKEKILLER ":RegisteredtrademarksofTOSHIBAMATERIALSCo.,Ltd.
☆"SPIKEKILLER ":ResisteredinU.S.A.,France,Germany,U.K.,Japan.
SPIKEKKILLER
*1：TypicalValue,usingacrosssectionofwindingwire 
*2：TotalFluxofcore×turn
ChopperConverter
Exampleofappliedcircuitanditscharacterisitic
ExampleCircuit：Self-ExitingSingleFlyback(RCC)
WiredAMOBEADSdelaytheturn-ontimeoftheMOSFETwhentheyareinsertedbetweenthegateofthe
MOSFET and drive winding on the primary side of the self-exiting single flyback (RCC). The wired
AMOBEADS reduce both noise, due to surge current and switching loss, by turning on the switching
element at the point when the voltage of the transformer becomes low, utilizing the the LC resonance
phenomenoninducedbyinductanceLoftheprimarywindingofthetransformerandasnubbercapacitorC.
Note:Thediodeclampcircuithasatendencytoincreasetheoutputnoise.
PowerSupplyEfficiency（Vin:DC140V,Vo:24V)
100%
90%
80%
70%
60%
50%
40%
0 0.5 1 1.5 2 2.5 3
OutputCurrrent［Ａ］
Eficiency［％］
CRSnubber
WiredAMOBEADS
DiodeClamp
Typeofwire：1UEW
3max
soldered

A
15±5
B
SR：WiredAMOBEADS
L
RgCgQ1
R
C
+
SR
Current
*1 
WireDia.
N
 Flux*2


Dimensions[mm]
AB44DY0305 AB4x2x4.5DY 0.5 0.3 5 13.5 7 9
AB44DY0307 AB4x2x4.5DY 0.5 0.3 7 18.9 7 9
SS07S0309 SS7x4x3W 0.5 0.3 9 28.3 12 8
AB34DY0402 AB3x2x4.5DY 1.0 0.4 2 2.6 6 9
AB34DY0403 AB3x2x4.5DY 1.0 0.4 3 3.9 6 9
AB44DY0402 AB4x2x4.5DY 1.0 0.4 2 5.4 7 9
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
SS07S0510 SS7x4x3W 1.5 0.5 10 31.5 12 8
SS07S0515 SS7x4x3W 1.5 0.5 15 47.3 12 8
SS10S05105 SS10x7x4.5W 1.5 0.5 5 23.7 14 10
SS10S05107 SS10x7x4.5W 1.5 0.5 7 33.1 14 10
SS10S05110 SS10x7x4.5W 1.5 0.5 10 47.3 14 10
SS10S09110 SS10x7x4.5W 5 0.9 10 47.3 15 11
SS14S09108 SS14x8x4.5W 5 0.9 8 75.7 20 11
SS14S09205 SS14x8x4.5W 10 0.9x2 5 47.3 20 11
Input 20[V］
Output 12[V]／2[A]
Frequency 90kHz
Rectifier FRD
Detector SimpleLoopAntenna
TestingConditionofRadiantNoiseMeasurment
RoHS
compliantproducts
RoHS
compliantproducts
StandardSpecifications
＊
2
＊
2
＊
2
＊
3
＊
3
＊
3
TypeNo.
TypeNo. CoreNo.
PETcase
Black
FinishedDimensions[mm]
Insulating
Cover
CoreSize[mm]
Effectivecore
crosssection
Ae[mm2] Lm[mm] φc[μWb]min Hc[A/m] Br/Bm[%]
MeanFlux
PathLength TotalFlux
O.D. I.D. H.TO.D. I.D. H.T
Coercive
Force
Rectangular
Ratio
WiredSPIKEKILLERandAMOBEADS
 [A] [φmm] [turn] [uWb] A
max
B
max
12 24 36 48 60 72 84 96 108 120
Frequency［MHz］
FMradioband
AMOBEADS 
WithoutCountermeasure
[dB/div]
ＣＲSnubber
NoiseRadiation
ExamplesofAppliedCircuitsandEffectsofNoiseSuppression
ExamplesofAppliedCircuitsandEffectsofNoiseSuppression