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Inductors: Compact dual inductors with high saturation current

Inductors: Compact dual inductors with high saturation current

TDK Corporation has extended its range of dual inductors to include the new EPCOS series B82477D6*. The seven series types cover an inductance range from 2 x 3.9 µH to 2 x 47 µH and are designed for maximum rated currents from 2.83 A to 7.05 A. A special feature of the inductors, which are certified according to AEC-Q200 and compatible with RoHS, are the high saturation currents of up to 16.1 A.

The magnetically shielded inductors have dimensions of just 12.5 x 12.5 x 10.5 mm3 and are designed for a wide temperature range of -55°C to +150 °C. Depending on the type, the inductors offer very high coupling factors of the two windings from 97 to 99 per cent.

The fields of application of dual inductors are diverse: Indeed, they can be used as coupled inductors in SEPIC (Single-Ended Primary Inductance Converter) or 1:1 transformers in flyback topologies. A further application involves use as a common-mode inductor in power supply lines. The isolation voltage between the two windings is >500 V.

Main fields of application
  • Common-mode inductors in power supply lines
  • DC/DC converters in SEPIC topology
  • Flyback converters
Main features and benefits
  • High saturation currents of up to 16.1 A
  • Low dimensions of just 12.5 x 12.5 x 10.5 mm3
  • Wide temperature range of -55°C to +150°C
  • High coupling factor of up to 99 per cent
Characteristics
Ordering code  Inductance
L1, L2 [µH]
Max. rated 
current [A]
Saturation 
current [A]
DC resistance
L1, L2 [mΩ]
B82477D6392M603 3.9 7.05 16.1 13.9
B82477D6682M603 6.8 6.40 11.8 17.0
B82477D6103M603 10 5.65 9.9 22.5
B82477D6153M603 15 4.92 8.7 29.6
B82477D6223M603 22 3.85 7.2 45.0
B82477D6333M603 33 3.22 5.6 60.5
B82477D6473M603 47 2.83 4.7 81.8


Further information on the products can be found under www.tdk-electronics.tdk.com/en/power_inductors.

2020050202 / 02.05.2020 / Electronic-components / TDK Corporation /

Inductors: Compact dual inductors with high saturation current
Inductors: Compact dual inductors with high saturation current
TDK Corporation has extended its range of dual inductors to include the new EPCOS series B82477D6*. The seven series types cover an inductance range from 2 x 3.9 µH to 2 x 47 µH and are designed for maximum rated currents from 2.83 A to 7.05 A. A special feature of the inductors, which are certified according to AEC-Q200 and compatible with RoHS, are the high saturation currents of up to 16.1 A.
.....
Aluminum electrolytic capacitors: Compact design with high ripple current capability
TDK Corporation (TSE:6762) presents the new B43707* and B43727* series of EPCOS aluminum electrolytic capacitors with screw terminals. They are designed for rated voltages of between 400 V DC and 450 V DC and cover a capacitance range from 1800 µF to 18,000 µF.
.....
Aluminum electrolytic capacitors: Compact design with high ripple current capability
TDK announces world’s first MIPI standard SoundWire® microphone
TDK announces world’s first MIPI standard SoundWire® microphone
TDK Corporation (TSE: 6762) introduces the world’s first MIPI Standard SoundWire® microphone for mobile, IoT and other consumer devices. This multimode microphone pushes the boundaries of digital microphone acoustic performance while providing advanced feature sets with very low power.
.....
Inertial sensors: Miniaturized MEMS accelerometer with excellent linearity
TDK Corporation announces the Tronics AXO215 high-performance MEMS accelerometer that sets the benchmark in terms of miniaturization, reliability and inertial sensing performance in harsh environments. Developed by Tronics Microsystems, a TDK Group Company that designs and manufactures innovative nano and microsystems, the new closed-loop accelerometer complements the lineup of TRONICS GYPRO® sensors.
.....
Inertial sensors: Miniaturized MEMS accelerometer with excellent linearity
Inductors: Low loss thin-film metal inductors with high current capability for power supply circuits
Inductors: Low loss thin-film metal inductors with high current capability for power supply circuits
TDK Corporation presents the new TFM160808ALC thin-film inductor for power supply circuits, which features a maximum DC resistance of 62 mΩ that is 30 percent lower than for existing types (e.g. TFM160808ALM, 0.47 μH). The new type, whose compact dimensions are just 1.6 mm x 0.8 mm x 0.8 mm, also offers a high rated current of 2.6 A and an inductance of 0.47 μH.
.....
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Calendary
CWIEME Berlin, 26.5.-28.5.2020
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DistribuTECH, 7.2.-9.2.2023, San Diego, CA
DistribuTECH, 23.1.-25.1.2024, Indianapolis, IN
DistribuTECH, 11.2.-13.2.2025, Dallas, TX
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