Common Mode Choke Coils / Balun Transformers

DIRECT SMD (Surface Mount Devices) Choke Coils conforms to the RoHS directive.
Choke coils has good heat durability that withstands lead-free compatible reflow soldering conditions.

Products include the following type: SMD common mode choke coils, SMD common mode EMI filters, RFID transponder coils.

Applications are found in common mode filter, broad-band transformers, impedance transformers, balun transformers, Notebook, USB, HUB, etc..

SMD CHOKE COILS - Download Entire Chip Choke Coils (Inductor) Catalogue.

Common mode filter for signal line

Thumbnail SMD Coils type and description
Low Profile Common Mode Chokes (TCPWCS160808/201209)
Token (TCPWCS) series common mode chokes offer just 1.6 x 0.8 mm (0603) and 2.0 x 1.2 mm (0805), with a maximum height of 0.8mm and 0.9 mm, making them the lowest-profile common mode chokes available. The (TCPWCS) series comes with very low DCR (0.25 to 0.80 Ohms) and current ratings up to 500 mA. Wide range impedance values are available to meet specific design requirements.
TCPWCS Series - PDF
Common Mode Choke Coils for Automotive (TCPWCH-4532AU)
SMD common mode choke coils (TCPWCH-4532AU) series is primarily designed for automotive networking applications. such as automotive ethernet, FlexRay, and CAN-Bus. Of course, ethernet is already the firmly established networking protocol for computers, peripherals, communication devices, and multimedia.
TCPWCH-4532AU Series - PDF
Common Mode Chokes For USB, IEEE 394, Lan Interface
(TCPWCH-2012/3216/4525/4532/453226/453228)
Token Electronics offers SMD Common Mode Inductors & EMI Filters (TCPWCH) in standard 0805, 1206, 1810, and 1812 size, with a maximum height of 1.2 mm, 2.0 mm, 2.2 mm, and 2.8 mm making them low profile common mode chokes available. Common mode chokes (TCPWCH) are used in order to filter common mode electromagnetic interference (EMI) currents without de-rating under high currents and without causing signal degradation.
TCPWCH Series - PDF
Common Mode Chokes for High Speed Signal Filtering
(TCPWCH-1210HS/2012HS)
Token (TCPWCH-1210HS/2012HS) Series SMD Common Mode Choke Coils are for high-speed and ultra-high-speed differential signal lines such as LVDS, IEEE1394//FireWire, USB, etc. The chip type (TCPWCH-1210HS/2012HS) series provides EMI suppression in case sizes 0504, and 0805.
TCPWCH-1210HS/2012HS Series - PDF
Common Mode Filters & Chokes for HDMI (TCPWCH-2012HD)
HDMI port has been widely used in all kinds of A/V equipments with the development of HD & full HD video technology. HDMI provides ultra high transfer rate and supports hot plug and play technology. According to the latest HDMI1.4 specification, HDMI provide a max transfer rate of 4.8Gbps, which could well address the need of full HD video transmission.
TCPWCH-2012HD Series - PDF
Balun Transformers for Digital TV Tuners, WBL (TCPWCH-2012BL)
Token (TCPWCH-2012BL) has commercialized chip transformers (balun transformers), which are used to convert between unbalanced-balanced signals in the antenna inputs of TV tuner circuits for terrestrial digital broadcast compatible compact mobile devices.
TCPWCH-2012BL Series - PDF
(TCB4F) Baluns - RF Transformer
Direct Electronics has introduced SMD common mode RF transformers (balun transformers) in 3.8 x 4.4 mm compact size, which are used to convert between unbalanced-balanced signals in the antenna inputs of tuner circuits for terrestrial digital broadcast compatible compact devices. Windings use paired or and triple wires for high uniformity. Base pins are end proccessed to allow direct mounting on PCB. Ideal for use in double balanced mixers, and as broad band transformers, transistors and for impedance conversion.
TCB4F Series - PDF
(TCB5F) Baluns - RF Transformer
Direct utilizes the latest winding technology using paired wires for high uniformity and enabling the most cost-effective designs in manufacturing common mode SMD RF balun transformer products. Ideal for use in double balanced mixers, and as broad band transformers, transistors and for impedance conversion.
TCB5F Series - PDF
(TCB5FL) Baluns - RF Transformer
SMD choke coils common mode TCB5FL RF Balun Transformer series are pair wire coil for high stability and high common mode impedance. TCB5FL series smd choke coils common mode is effective for common mode noise suppression in digital equipment which radiation is caused from cables.
TCB5FL Series - PDF

Common mode filter for power line

Thumbnail SMD Coils type and description
High Current Common Mode Chokes (TCPSEH-7060SE/9070SE/1211SE)
Token newly released Common Mode Choke (TCPSEH) which handles currents up to 8.0 amps. Comprehending the distinction between common mode signals and differential mode signals is very essential as we have to understand what the circuit requires to lessen noise.
TCPSEH Series - PDF
Larger Current Common Mode Choke Coils (TCSG750603/100805/121006)
Common mode chokes and Line bypass capacitors remove common mode noise, while over-the-line capacitors remove differential mode noise. Growing the capacitance of a line bypass capacitor causes elimination of lower frequency common mode noise.
TCSG Series - PDF