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High frequency power transformer
Class F insulation system
Application :
Power electronic converters
Gamme :
Frequency range : 1kHz up to 50kHz
Power range : 1kW up to 150kW
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Electrohms offer a range of standard and customised solutions for your current sensing requirement. We are familiar with providing solutions for a range of Embedded micro-control energy and power control designs
Hall effect current sensing
Rogowski sensors
Current transformers using High Technology Materials for highest sensitivity and reliability
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HPT categoría de planar
The HPT series (Hybrid Planar Transformer) is able to manage power up to 3150W, with efficiency up to 99%, due to its design and its low losses. It is available with full-bridge and ZVT full bridge topology and it’s a specific solution for DC/DC transformers applications for 28V buses.
Key characteristics:
- High range of operating temperature from -40º C to 90º C, with heat sink dissipation, with effective temperature up to 125º C
- Storage temperature from -50º C to 170º C
- Operating frequencies up to 150KHz
Due to the advantages of this inductors, they are recommended especially for these applications: DC/DC converters of 28 V, inverter, DC/AC converter high voltage buses, electronic control unit (ECU), control unit.
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Safety transformers 50/60Hz standard and customized
Safety isolating PCB transformers according to
CEI EN61558-1(CEI 96-3) e CEI EN 61558-2-6 (CEI 96-7), 0,5 to 60VA.
- more common sizes are ENEC-IMQ certified.
- encapsulation in epoxy resin
- custom versions on request also with ENEC IMQ
- custom versions without encapsulation
High frequency power transformers : see related category "high frequency ferrite-core transformer"
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* Specified by ON Semiconductor for use with their NCP1605 PFC Controller.
Referenced as X25, pulse transformer on evaluation board NCP1605FORWGEVB and Application Note AND8292.
* Recommended by Texas Instruments for use with their UC3875 Phase Shift Resonant Controller.
* Three 1 : 1 windings
* 500 Vrms winding-to-winding isolation.
* RoHS-compliant Tin-silver over tin over nickel over brass.
* COTS Plus tin-silver-copper and tin-lead terminations available
* Custom versions available
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Standard Isolation Transformers are UL recognized to UL1411. Comply with CSA/TUV/IEC 742/IEC 950, 4000V hi-pot tested, 8mm creep distance. Supplied with metal washer and rubber pads.*
Dual Primaries (2 x 117V), 50-60Hz Operation
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- Single-phase reactor for use in consumer or electronics market
as a line, commutation of PFC reactor.
- Guarantee of frequently desired short circuit voltage of 4 % to
mains.
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Model: TT201265/T
- Primary Voltage: 230 V
- Secondary Voltage: 12 V
- Power: 20 VA
- Protection: Thermal Switch
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Using an auto-transformer is always an economical solution when you need to step down the voltage from 230V to 120 V or vice versa, and the equipment already has a fully isolated transformer or when the components do not require an isolated transformer.
The toroidal construction of an auto-transformer offers important advantages in comparison with an E/I lamination core transformer, like smaller physical size and weight, 30-70% reduction (depending on secondary voltage) and very low magnetic strayfields. The auto-transformer can be mounted horizontally using a steel washer or our Poly-Mount, a plastic insert, or an epoxy potted center with a 1/4" mounting hole.
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Autotransformer VT-EN Range
Common input and output windings without electrical isolation
Designed for continuous duty
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System comprises an isolation transformer and a common mode choke DETAILS
Meets all current requirements of Gigabit Ethernet PoE Plus
Isolation Transformer OCL ³ 350 µH with a 35 mA dc offset up to 70°C.
Can handle current up to 800 mA
Can be used with virtually all chipsets
RoHS-compliant. 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze terminations
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| ... products without technical information |
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