Specifications
Payment Terms :
T/T
Input return loss :
16.0dB Min(23dB Typ.)
Operating temperature :
-40℃ to 85℃
Coupling return loss :
16.0dB Min(22dB Typ.)
Model Number :
RF3S-1601
MOQ :
5000PCS
Delivery Time :
4~8 Weeks
Storage temperature :
-55℃ to 100℃
Price :
Negotiation
Output return loss :
16.0dB Min(25dB Typ.)
Certification :
RoHS
Supply Ability :
1000000/MONTH
Frequency :
5-1500MHz
Brand Name :
Shinhom
Packaging Details :
Carton
Place of Origin :
China
Description
SMD Balun RF Transformers Coils with Enameled Copper Wire, Base Pin Terminal in Surface Mounting

The SMD balun RF transformer series uses a bifilar winding process with enamelled copper wire, offering high stability and a low-profile design. It is suitable for automated SMT placement. Multiple balun transformer types are available, suitable for double-balanced mixers, couplers, broadband impedance matching transformers, power combining and dividing networks, directional couplers, and cable modems in RF applications. The enamelled copper wire winding ensures excellent RF performance and long-term reliability. It is widely used in wireless communication, RF front-ends, test and measurement, and broadband network equipment.

Features
  • Enamelled copper wire winding – high stability
  • Bifilar winding – stable performance
  • Surface mount – suitable for SMT
  • Low-profile design – saves space
  • Suitable for balun transformers
  • Broadband impedance matching
  • Power combining and dividing
  • Directional coupler applications
Applications
  • Double-balanced mixers
  • Couplers
  • Broadband impedance matching transformers
  • Power combining and dividing networks
  • Directional couplers
  • DOCSIS 3.0/3.1 cable modems
  • RF front-end modules
  • Wireless communication equipment
ELECTRONICAL SPECIFICATIONS(25℃,Z=75Ω)
Parameter Value
Frequency 5-1500MHz
Main line loss 1.7dB Max(0.8dB Typ.)
Coupling 16.0±0.8dB
Input return loss 16.0dB Min(23dB Typ.)
Output return loss 16.0dB Min(25dB Typ.)
Coupling return loss 16.0dB Min(22dB Typ.)
Isolation 20.0dB Min(30dB Typ.)
Operating temperature -40℃ to 85℃
Storage temperature -55℃ to 100℃
SMD Balun RF Transformer Enameled Copper Wire Low Profile for Broadband Matching and Mixers
FAQ

Q: What is the main function of a balun transformer?

A: A balun transformer (Balun Transformer) is used for balanced-to-unbalanced conversion, converting balanced signals (differential signals) to unbalanced signals (single-ended signals), or vice versa. It is widely used in RF circuits, mixers, antenna feeding, and broadband matching networks.

Q: What are the advantages of the bifilar winding process?

A: Bifilar winding involves winding two enamelled copper wires side by side. This ensures tight coupling between the two windings, improving common-mode rejection ratio and phase/amplitude balance, thereby enhancing the high-frequency performance and stability of the balun transformer.

Q: What are the advantages of enamelled copper wire compared to ordinary copper wire?

A: Enamelled copper wire has an insulating enamel coating on the surface, ensuring electrical insulation between windings. It allows tight winding without short-circuit risks, while providing good high-frequency characteristics and heat resistance.

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SMD Balun RF Transformer Enameled Copper Wire Low Profile for Broadband Matching and Mixers

Ask Latest Price
Payment Terms :
T/T
Input return loss :
16.0dB Min(23dB Typ.)
Operating temperature :
-40℃ to 85℃
Coupling return loss :
16.0dB Min(22dB Typ.)
Model Number :
RF3S-1601
MOQ :
5000PCS
Contact Supplier
SMD Balun RF Transformer Enameled Copper Wire Low Profile for Broadband Matching and Mixers

Shaanxi Shinhom Enterprise Co.,Ltd

Verified Supplier
8 Years
Shaanxi
Since 2002
Business Type :
Manufacturer, Exporter, Seller, Other
Total Annual :
5000000-6000000
Employee Number :
600-~800
Certification Level :
Verified Supplier
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