If you need a way to step down your radio frequency circuit, you"re in luck. Use this BALF-SPI-02D3 RF transformer by STMicroelectronics to safely step down voltages in your circuit. It has an operating frequency of 434MHz. This RF transformer has an operating temperature range of -40 °C to 85 °C. It has 6 terminals. In order to ensure safe delivery and enable quick mounting of this component after delivery, it will be encased in tape and reel packaging during shipment. It also has a balun transformer. This product is 2 mm long, 0.65 mm tall and 1.4 mm deep.