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TDK Corporation HHM1903A4 RF Balun

The HHM1903A4 is a multilayer balun designed for high-frequency RF applications in the 2400-2500MHz band. It features a compact 1.0x0.5mm package (EIA 0402) and conforms to RoHS directives. The balun provides a characteristic impedance of 50Ω at the unbalanced port and 100Ω at the balanced port, with excellent return loss and phase and amplitude balance, making it suitable for wireless communication modules, RF transceivers, and antenna systems. Its robust construction supports operation between -40°C and +85°C for reliable outdoor and indoor usage.

Authorized Distributors
Source:DigiKey
Part No:HHM1903A4
Stock:30000
Inv Date:06-12-2026
Price: Unit price: $0.12153
Buy/RFQ:
Source:DigiKey
Part No:HHM1903A4
Stock:32456
Inv Date:06-12-2026
Price: Unit price: $0.19
Buy/RFQ:
Part No:HHM1903A4
Stock:8125
Inv Date:06-13-2026
Price: Unit price: $0.19
Buy/RFQ:

TDK Corporation HHM1903A4 RF Balun Specifications:

  • Frequency Range: 2400-2500MHz
  • Unbalanced Port Impedance: 50Ω (Nominal)
  • Balanced Port Impedance: 100Ω (Nominal)
  • Return Loss at Unbalanced Port: 10dB
  • Phase Balance: 170° to 190°
  • Amplitude Balance: 2.0dB maximum
  • Insertion Loss: 0.55dB
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +85°C
  • Package Size: 1.0x0.5mm (EIA 0402)
  • Conformity: RoHS compliant
  • Recommended Land Pattern: 0.70mm x 0.45mm
  • Material: Multilayer ceramic
  • Terminal Functions: Balanced port, unbalanced port, GND
  • Characteristic: Suitable for RF modules and antenna systems

Buy the Buy TDK Multilayer Balun Part Number HHM1903A4 Online

Enhance your wireless communication systems by purchasing the TDK HHM1903A4 RF Balun online. This high-quality multilayer balun operates efficiently in the 2400-2500MHz range and features a compact 1.0x0.5mm package, ensuring easy integration into your designs. Its RoHS compliance guarantees environmentally friendly manufacturing standards. Perfect for RF modules, antenna systems, and transceivers, this balun provides optimal impedance matching, low insertion loss, and excellent phase and amplitude balance. Secure your supply today for dependable high-frequency performance.

Order your TDK Series HHM1903A4 RF Balun today and enhance your wireless projects with reliable, high-frequency performance in a compact form.

Frequently Asked Questions

Where can I buy TDK Corporation HHM1903A4?

You can click on the BUY or RFQ button to purchase HHM1903A4 from an authorized TDK Corporation distributor.

How do I troubleshoot issues or seek technical support for part HHM1903A4?

You can download the HHM1903A4 datasheet or visit the TDK Corporation website for support.

Who is the manufacturer of HHM1903A4?

TDK Corporation

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