SURFACE MOUNT RF Transformers 256

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Part	Manufacturer	Transformer Type	Mounting Feature	Manufacturer Series	Terminal Finish	Insertion Loss	Packing Method	Dimensions	Maximum Operating Temperature	Minimum Cutoff Frequency	Minimum Operating Temperature	Height	Width	Additional Features	JESD-609 Code	Maximum Cutoff Frequency	Length
BAL-WILC10-01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			.8 dB	TR, 7 INCH		105 Cel	2400 GHz	-40 Cel	.63 mm	.946 mm	HEIGHT DIMENSION INCLUDES TERMINAL ALSO		2500 MHz	.946 mm
BAL-UWB-01E3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			1.2 dB	TR, 7 INCH		105 Cel	3000 GHz	-40 Cel					8000 MHz
BAL-2690D3U	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			1.1 dB	TR		85 Cel	2402 GHz	-40 Cel	.695 mm	.96 mm			2480 MHz	.96 mm
BAL-2593D5U	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT	BAL-2593D5U		1.2 dB	TAPE & REEL	1.31mm X 1.21mm X 0.74mm	85 Cel	2400 GHz	-30 Cel	.74 mm	1.21 mm			2500 MHz	1.31 mm
BALF-NRF01E3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			2.7 dB	TR, 7 INCH		105 Cel	2400 GHz	-40 Cel	.48 mm	1.1 mm			2540 MHz	1.6 mm
BALF-ATM-01E3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			1.3 dB	TR, 7 INCH		105 Cel	2400 GHz	-40 Cel	.455 mm	1.35 mm			2500 MHz	2.1 mm
BALF-CC26-05D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			1.5 dB	TR, 7 INCH		105 Cel	2400 GHz	-40 Cel	.63 mm	1.02 mm			2500 MHz	1.485 mm
BALF-2690-02D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			1.2 dB	TR		85 Cel	2400 GHz	-40 Cel	.69 mm	.99 mm			2500 MHz	1.69 mm
BALF-NRF01J5	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			2.4 dB	TR		85 Cel	2400 GHz	-40 Cel	.21 mm	.845 mm			2540 MHz	1.375 mm
BAL-CW1250D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT		Tin/Silver/Copper (Sn/Ag/Cu)	.97 dB	TR, 7 INCH		85 Cel	2400 GHz	-30 Cel	.69 mm	1.04 mm		e1	2500 MHz	1.25 mm
BALFLB-WL-08D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			2.2 dB	TR		105 Cel	470 GHz	-40 Cel					510 MHz
BALFHB-WL-04D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			1.5 dB	TR		105 Cel	862 GHz	-40 Cel	.68 mm	1.88 mm	HEIGHT DIM INCLUDE TERMINAL ALSO		928 MHz	2.15 mm
BALFHB-WL-01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			1.45 dB	TR		105 Cel	862 GHz	-40 Cel	.68 mm	1.88 mm	HEIGHT DIM INCLUDE TERMINAL ALSO			2.15 mm
BALFHB-WL-05D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			1.4 dB	TR		105 Cel	862 GHz	-40 Cel	.68 mm	1.88 mm			928 MHz	2.15 mm
BALFLB-WL-09D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			2.15 dB	TR		105 Cel	470 GHz	-40 Cel	.68 mm	1.88 mm	HEIGHT DIM INCLUDE TERMINAL ALSO		510 MHz	2.15 mm
BALFLB-WL-07D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			2.15 dB	TR		105 Cel	470 GHz	-40 Cel	.68 mm	1.88 mm	HEIGHT DIM INCLUDE TERMINAL ALSO		510 MHz	2.15 mm

RF Transformers

RF transformers are a type of transformer used in radio frequency (RF) applications to match impedances and transform signal levels between different stages of a circuit. They are commonly used in RF amplifiers, filters, and mixers.

The primary function of an RF transformer is to match the impedance of the input and output stages of an RF circuit. Impedance matching is critical in RF applications to ensure maximum power transfer and signal integrity. RF transformers also help to transform the signal levels between stages of an RF circuit, such as between a high-impedance antenna and a low-impedance amplifier.

RF transformers are typically designed to operate at high frequencies, ranging from a few kHz to several GHz, depending on the specific application. They are also designed to handle high power levels and have low losses. The design of an RF transformer is usually optimized for a specific frequency range and bandwidth.

RF transformers are typically constructed with a magnetic core made of ferrite, powdered iron, or other high-permeability materials, and one or more coils wound around the core. The coils are usually made of copper wire with a thin insulating layer. The number of turns and the size of the wire are determined by the required impedance transformation and the frequency range of the circuit.