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Switching transformers  
Power ferrite transformers for SMPS, DC/DC converters, inverters flyback resonant etc.
Resonant transformers  
SRL Resonant transf. with PFC
SRL Resonant transf. without PFC
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NEW PRODUCTS  
new products, transformers, inductors, coils
 
For the detailed features please see the catalogue
Integrated Resonant Transformers SRL series
resonant transformer
for SMPS with PFC stage
 
  Resonant power supply - see technical news
 
  Fairchild FEB212-003 24V-8A resonant converter demo-board based on chip FSFR2100 - comparative test
  NXP UM10450 - 19,5V 90W resonant converter demo-board with PFC based on TEA1713 - comparative test
  STMicroelectronics EVL130W-SL-EU 130 W SMPS for LED street lighting applications based on L6599AT-6562AT - comparative test
  Power Integrations RDR-239 150W LLC resonant SMPS demo board based on HiperLCS LCS702HG - comparative test
Features  
Designed for best performances on high efficiency LLC resonant power supply with PFC pre-regulator stage
Suited for converters based on chips ST Microelectronics, Fairchild, Texas Instruments, ON Semiconductor Motorola, NXP Philips, Power Integrations, Infineon, International Rectifier, and many others. see models
Integrated resonant inductor and extremely compact size
Power supply efficiency up to 96% with simplest hardware solutions, without synchronous rectification
High creepage/clearance/DTI for reinforced insulation, to meet EN61558, EN60950, etc.
RoHS compliant
Usually on stock
Custom versions on request
 
  The design of a LLC resonant converter with high efficiency target (both energetic and economic) should consider the constraints related to the physical parameters of the transformer which is supposed to use.
Thanks to our proprietary software we are able to provide a quick and efficient support, working with electronic designers, in defining the "resonant tank" parameters in order to minimize the losses (including MOSFET's conduction losses) to obtain the best efficiency in each of our formats.
  For detailed technical informations please request ITACOIL GENERAL CATALOGUE



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Tank
Reference
Output
Voltage
Cont
Power
Max
Power
Rated Input
Voltage Range
Min Input
Voltage
Aux
Supply
Nominal
Frequency
Layout
026.018.990.01 18Vdc 125W 990W 370...425Vdc 360Vdc 14.2Vdc 30mA 125KHz dis. 26B
034.018.950.01 18Vdc 175W 950W 370...410Vdc 340Vdc 14.4Vdc 30mA 113KHz dis. 34A
024.024.330.01 24Vdc 50W 330W 370...450Vdc 340Vdc 19.9Vdc 30mA 83KHz dis. 24A
024.024.200.01 24Vdc 100W 200W 370...450Vdc 340Vdc 19.8Vdc 30mA 123KHz dis. 24A
026.024.500.01 24Vdc 125W 500W 370...440Vdc 360Vdc 19.0Vdc 30mA 81KHz dis. 26B
034.024.730.01 24Vdc 150W 730W 370...450Vdc 340Vdc 19.2Vdc 30mA 59KHz dis. 34A
026.024.290.01 24Vdc 165W 290W 370...425Vdc 360Vdc 19.0Vdc 30mA 120KHz dis. 26B
034.024.420.01 24Vdc 220W 420W 370...450Vdc 340Vdc 19.2Vdc 30mA 94KHz dis. 34A
040.024.420.01 24Vdc 340W 600W 370...410Vdc 360Vdc 24Vdc 30mA 92KHz dis. 40A
024.028.135.02 28.5Vdc 100W 135W 370...450Vdc 340Vdc 23.6Vdc 30mA 138KHz drw. 24A
024.028.180.01 28.5Vdc 100W 180W 370...450Vdc 340Vdc 23.6Vdc 30mA 173KHz drw. 24A
026.029.520.01 29Vdc 120W 520W 370...425Vdc 360Vdc 23.0Vdc 30mA 100KHz drw. 26B
026.029.280.01 29Vdc 130W 280W 370...450Vdc 360Vdc 23.0Vdc 30mA 97KHz drw. 26B
034.029.460.01 29Vdc 220W 460W 370...450Vdc 340Vdc 23.2Vdc 30mA 113KHz drw. 34A
024.030.120.01 30Vdc 90W 120W 370...450Vdc 340Vdc 24.8Vdc 30mA 145KHz drw. 24A
024.030.145.01 30Vdc 100W 145W 415...450Vdc 380Vdc 24.8Vdc 30mA 159KHz drw. 24A
034.036.990.01 36Vdc 190W 990W 370...450Vdc 340Vdc 15.7Vdc 30mA 107KHz drw. 34A
034.036.270.01 36Vdc 210W 270W 370...450Vdc 340Vdc 28.8Vdc 30mA 141KHz drw. 34A
026.042.420.01 42Vdc 145W 420W 370...425Vdc 360Vdc 16.3Vdc 30mA 117KHz drw. 26B
024.048.350.01 48Vdc 80W 350W 370...450Vdc 340Vdc 19.5Vdc 30mA 81KHz drw. 24A
024.048.200.01 48Vdc 110W 200W 370...450Vdc 340Vdc 19.5Vdc 30mA 120KHz drw. 24A
034.048.820.01 48Vdc 130W 820W 370...450Vdc 340Vdc 21.0Vdc 30mA 65KHz drw. 34A
026.048.500.01 48Vdc 145W 500W 370...440Vdc 360Vdc 18.7Vdc 30mA 79KHz drw. 26B
026.048.290.02 48Vdc 185W 290W 370...425Vdc 360Vdc 18.7Vdc 30mA 117KHz drw. 26B
026.048.240.01 48Vdc 190W 240W 370...425Vdc 360Vdc 18.7Vdc 30mA 131KHz drw. 26B
034.048.430.01 48Vdc 240W 430W 370...450Vdc 340Vdc 21.0Vdc 30mA 103KHz drw. 34A
040.048.460.01 48Vdc 400W 460W 370...420Vdc 360Vdc 23.6Vdc 30mA 115KHz drw. 40A
024.056.185.01 56Vdc 115W 185W 370...450Vdc 340Vdc 22.8Vdc 30mA 171KHz drw. 24A
026.056.250.01 56Vdc 180W 250W 370...450Vdc 360Vdc 21.9Vdc 30mA 108KHz drw. 26B
034.056.480.01 56Vdc 240W 480W 370...450Vdc 340Vdc 24.6Vdc 30mA 133KHz drw. 34A
024.058.140.01 58Vdc 100W 140W 370...450Vdc 340Vdc 23.6Vdc 30mA 133KHz drw. 24A
024.060.125.01 60Vdc 90W 125W 370...450Vdc 340Vdc 24.5Vdc 30mA 141KHz drw. 24A
024.060.150.01 60Vdc 100W 150W 400...450Vdc 380Vdc 24.5Vdc 30mA 150KHz drw. 24A
034.060.470.01 60Vdc 220W 470W 370...450Vdc 340Vdc 26.4Vdc 30mA 124KHz drw. 34A
024.096.240.01 96Vdc 120W 240W 370...420Vdc 340Vdc 19.5Vdc 30mA 110KHz drw. 24A
034.096.500.01 96Vdc 270W 500W 370...450Vdc 340Vdc 21.0Vdc 30mA 93KHz drw. 34A
034.110.330.01 110Vdc 240W 330W 370...450Vdc 340Vdc 24.1Vdc 30mA 110KHz drw. 34A
034.118.360.01 118Vdc 265W 360W 370...450Vdc 340Vdc 25.9Vdc 30mA 153KHz drw. 34A
024.120.190.01 120Vdc 130W 190W 370...420Vdc 340Vdc 24.5Vdc 30mA 157KHz drw. 24A


Drawing and dimensions



All Primary Referred Transformer Model  
Schematic 1 (center-tap secondary) Schematic 2 (single secondary)  
layout layout  


Please contact our technical department and request latest catalogue for more info.



These transformers are useful with every chip for resonant converters, these are some of the most common:
ST Microelectronics Fairchild NXP Philips Texas Insruments Power Integrations ON Semiconductors International Rectifier Infineon
L6598
L6599
L6585
L6699
FAN7688
FAN7631
FAN7621
FAN7621S
FAN7621B
FSFR2100
FSFR1600US
FSFR1700US
FSFR1800US
FSFR2100US
FSFR1800HS
FSFR1700HS
FSFR1600XS
FSFR1700XS
FSFR1800XS
FSFR2100XS
FLS1600XS
FLS1700XS
FLS1800XS
FLS2100XS
TEA1610T
TEA1611T
TEA1612T
TEA1713T
TEA1716T
SSL4120T
UCC25600
UCC256301
UCC256303
UCC256304
UCC29950
UCD3138
PLC810PG
LCS700HG
LCS701HG
LCS702HG
LCS703HG
LCS705HG
LCS708HG
NCP1395x
NCP1396x
NCP1397
NCP1910
NCL30051
MC34067
MC33067
IRS27951
IRS27952
IRS279524
IRS2548D
IRS2153
IRS21531
ICE1HS01G
ICE2HS01G
ICL5101

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