TOKEN TCB4F SMD Balun Transformers SMD Common Mode Balun Transformers SMD Common Mode Balun Transformers For USB - TCB4F Series Surface Mount Common Mode Balun Transformer (TCB4F) For USB Preview Token Electronics has introduced SMD common mode 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. Up to now balun transformers have been made by winding wire around a spectacle-shaped ferrite core, and are widely used in electronic devices such as TVs and desktop PCs. Token SMD choke coils common mode TCB4F series are primarily designed for choking power lines and conform to the RoHS compliant and Lead-free. SMD TCB4F can be customed designs and tighter tolerances available on request. 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. Application of SMD choke coils specific designs also available including different inductance values and Q specifications adjusted to frequency requirements. Token is equipped to design and produce custom components to meet many design and reliability demands. Custom parts are available on request. Token will also produce devices outside these specifications to meet specific customer requirements, please contact our sales for more information. Features : - Pair and triple wire coil for high stability and high balance. - Available in tape & reel for automatic surface mounting.. Applications : - Double Balance Mixers. - Broad-Band Transformers. - Impedance Transformers. - Common Mode Filter, Balun Transformers. Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 06 TOKEN TCB4F SMD Balun Transformers Configurations & Dimensions E H C D J K G B L F Land Pattern I Type TCB4F A 3.8 B(max) 4.4 C(max) 3.2 D 2.0 E(max) 5.5 F 0.45 G 3.0 H 2.7 I 4.4 J 1.3 K 3.0 L 1.0 Note: Design as Customer’s Requested Specifications. (TCB4F - 617DB) Electrical Characteristics A Winding Turns 1-6=2-4=2-6=3-4 2 1/2 T 3 1/2 T 4 1/2 T 5 1/2 T Part Number TCB4F - 617DB1673 TCB4F - 617DB1674 TCB4F - 617DB1675 TCB4F - 617DB1714 μiac 300 300 300 300 (TCB4F - 617DB) Test Circuit A Port1 Port2 100Ω 100Ω 50Ω Port3 02 of 06 http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN TCB4F SMD Balun Transformers (TCB4F - 617DB) Typical Characteristics A TCB4F-617DB-1714 (Impedance Ratio=50Ω:200Ω ) 0 1 2 3 4 5 6 7 8 9 10 Port1~Port2 Port1~Port3 1 10 100 Frequency (MHz) Insertion Loss (dB) Insertion Loss (dB) TCB4F-617DB-1673 (Impedance Ratio=50Ω:200Ω ) 1000 3000 0 1 2 3 4 5 6 7 8 9 10 Port1~Port3 Port1~Port2 1 10 100 Frequency (MHz) 1000 3000 (TCB4F - 617DB) Electrical Characteristics B Part Number TCB4F - 617DB1653 TCB4F - 617DB1654 TCB4F - 617DB1655 TCB4F - 617DB1724 Winding Turns 2 1/2 T 3 1/2 T 4 1/2 T 5 1/2 T μiac 300 300 300 300 (TCB4F - 617DB) Test Circuit B Port2 Version 2010 http://www.token.com.tw/ 50Ω 50Ω Port1 rfq token.com.tw 03 of 06 TOKEN TCB4F SMD Balun Transformers 0 1 2 3 4 5 6 7 8 9 10 TCB4F-617DB-1653 (50Ω:50Ω ) Insertion Loss (dB) Insertion Loss (dB) (TCB4F - 617DB) Typical Characteristics B 1 10 100 Frequency (MHz) 1000 3000 0 1 2 3 4 5 6 7 8 9 10 TCB4F-617DB-1655 (50Ω:50Ω ) 1 10 100 Frequency (MHz) 1000 3000 TCB4F-617DB-1724 (50Ω:50Ω ) Insertion Loss (dB) 0 1 2 3 4 5 6 7 8 9 10 Insertion Loss (dB) 0 1 2 3 4 5 6 7 8 9 10 TCB4F-617DB-1654 (50Ω:50Ω ) 1 10 100 Frequency (MHz) 1000 3000 1 10 100 Frequency (MHz) 1000 3000 (TCB4F - 617DB) Electrical Characteristics C Part Number TCB4F - 617DB1643 TCB4F - 617DB1644 TCB4F - 617DB1645 TCB4F - 617DB1646 Winding Turns 2 1/2 T 3 1/2 T 4 1/2 T 5 1/2 T μiac 1500 1500 1500 1500 (TCB4F - 617DB) Electrical Characteristics C Port1 Port2 04 of 06 http://www.token.com.tw/ 50Ω 50Ω rfq token.com.tw Version 2010 TOKEN TCB4F SMD Balun Transformers (TCB4F - 617DB) Typical Characteristics C 0 1 2 3 4 5 6 7 8 9 10 TCB4F - 617DB-1644 (50Ω:50Ω ) Insertion Loss (dB) Insertion Loss (dB) TCB4F - 617DB-1643 (50Ω:50Ω ) 1 10 100 Frequency (MHz) 1000 3000 0 1 2 3 4 5 6 7 8 9 10 Insertion Loss (dB) Insertion Loss (dB) 1 10 100 Frequency (MHz) 10 100 Frequency (MHz) 1000 3000 TCB4F - 617DB-1646 (50Ω:50Ω ) TCB4F - 617DB-1645 (50Ω:50Ω ) 0 1 2 3 4 5 6 7 8 9 10 1 1000 3000 0 1 2 3 4 5 6 7 8 9 10 1 10 100 Frequency (MHz) 1000 3000 (TCB4F - 617PT) Electrical Characteristics Winding Turns 1-2=2-3=4-6 2T 3T 4T 5T Part Number TCB4F - 617PT1667 TCB4F - 617PT1669 TCB4F - 617PT1699 TCB4F - 617PT1664 μiac 300 300 300 300 (TCB4F - 617PT) Test Circuit 100Ω Port2 100Ω 50Ω Port1 Port3 Version 2010 http://www.token.com.tw/ rfq token.com.tw 05 of 06 TOKEN TCB4F SMD Balun Transformers (TCB4F - 617PT) Typical Characteristics TCB4F-617PT-1664 (Impedance Ratio=50Ω:200Ω ) 0 1 2 3 4 5 6 7 8 9 10 Port1~Port2 1 10 0 1 2 3 4 5 6 7 8 9 10 1 Insertion Loss (dB) Insertion Loss (dB) TCB4F-617PT-1667 (Impedance Ratio=50Ω:200Ω ) Port1~Port3 100 1000 3000 Frequency (MHz) Port1~Port2 Port1~Port3 10 100 Frequency (MHz) 1000 3000 How to Order TCB4F 617DB1673 Part Number: TCB4F Type Code Type 617DB1673 617PT1667 617DB1653 617DB1643 Frequency mixer Frequency mixer Balun Transformers Balun Transformers Back to 1st Page - SMD Common Mode Balun Transformers (TCB4F) 06 of 06 http://www.token.com.tw/ rfq token.com.tw Version 2010