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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 /

Surge protection: Failsafe chip varistors for automotive battery lines
TDK Corporation presents a new range of Open Mode chip varistors for electronic automotive assemblies that are directly connected to the battery. The new chip varistors offer reliable protection against transient surge voltages according to ISO 7637-2, and meet the failsafe requirements according to the VW standard VW 80808. Even when subject to excessive bending stress, short-circuits are avoided, which is particularly important for unswitched battery terminals (e.g. terminal 30).

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.

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.

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TTI, Inc.


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Power Integrations


AXIOMTEK


TDK Corporation


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Texas Instruments


Microchip Technology Inc.


ON Semiconductor


Molex, LLC


NeoPhotonics


Murata Manufacturing Co.,



Calendary
BATTERY JAPAN, Osaka, 29.9.-1.10.2021
DistribuTECH, 25.1.-27.1.2022, Dallas, TX
DistribuTECH, 7.2.-9.2.2023, San Diego, CA
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DistribuTECH, 11.2.-13.2.2025, Dallas, TX

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