SURFACE MOUNT RF Transformers 256

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Part	Manufacturer	Transformer Type	Mounting Feature	Manufacturer Series	Approvals (V)	Terminal Finish	Impedance (Primary)	Power Rating	Impedance (Secondary)	No. of Winding (Primary)	Insertion Loss	Inductance (Primary)	Packing Method	Output Current-1	Maximum DC Unbalance Current	No. of Winding (Secondary)	Sub-Category	Dimensions	Maximum Operating Temperature	Application	Minimum Cutoff Frequency	Minimum Operating Temperature	Height	Width	Additional Features	JESD-609 Code	Maximum Cutoff Frequency	Minimum Operating Frequency	Length	Turns Ratio (Np:Ns)	Maximum Operating Frequency
BAL-NRF02D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)					1.9 dB		TAPE & REEL					L1.4XB0.86XH0.64 (mm)	105 Cel		2400 GHz	-40 Cel	.64 mm	.86 mm	HEIGHT DIMENSION INCLUDES WITH TERMINALS	e1	2540 MHz		1.4 mm
ETC1-1-13TR	M/a-com Technology Solutions	RF TRANSFORMER	SURFACE MOUNT			TIN		.25 W		1	3.5 dB		TR		30 mA	1		L3.81XB2.79XH2.79 (mm)	85 Cel	MATCHING	4.5 GHz	-55 Cel	2.79 mm	2.79 mm	IMPEDANCE RATIO IS 1:1	e3	3000 MHz	4500 KHz	3.81 mm	1:1	3000000 KHz
BAL-CC1101-01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT								1.9 dB		TR, 7 INCH						125 Cel		779 GHz	-40 Cel	.69 mm	1.1 mm			928 MHz		2.07 mm
BALF-112X-01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT								-2.8 dB		TR						85 Cel		866 GHz	-40 Cel	.63 mm	1.45 mm			928 MHz		1.95 mm
MABA-007159-000000	TE Connectivity	RF TRANSFORMER	SURFACE MOUNT								3.5 dB		TR				Other Transformers	3.81mm x 2.79mm x 2.79mm	85 Cel		4.5 GHz	-40 Cel	2.79 mm	2.79 mm	HEIGHT DIM INCLUDE TERMINAL ALSO; CENTER TAPPED SECONDARY		3000 MHz		3.81 mm
TC1-1-13MX+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								3 dB							L3.81XB3.81XH4.06 (mm)	85 Cel		4.5 GHz	-40 Cel	4.06 mm	3.81 mm	BREADTH AND HEIGHT DIM INCLUDE TERMINAL ALSO; OHMS RATIO :1		3000 MHz		3.81 mm
ETC1-1-13	Tyco Electronics M/a-com	RF TRANSFORMER	SURFACE MOUNT	ETC1-1-13							3.5 dB		TAPE & REEL					L3.81XB3.81XH2.79 (mm)	85 Cel		4.5 GHz	-40 Cel	2.79 mm	3.81 mm	IMPEDANCE RATIO IS 1:1		3000 MHz		3.81 mm
BALF-112X-02D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT								-1.9 dB		TR						85 Cel		431 GHz	-40 Cel	.63 mm	1.87 mm			436 MHz		1.95 mm
TM1-0	Synergy Microwave	RF TRANSFORMER	SURFACE MOUNT								3.4 dB							L0.15XB0.15XH0.15 (mm)	85 Cel		.3 GHz	-40 Cel	.15 mm	.15 mm	IMPEDANCE RATIO IS 1:1		1000 MHz		.15 mm
TCM1-63AX-2+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								2.5 dB		TR, 13 INCH						85 Cel		10 GHz	-40 Cel	4.06 mm	3.81 mm	HEIGHT & LENGTH DIM INCLUDES TERMINALS ALSO		6000 MHz		4.06 mm
BALF-SPI2-01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT								2.1 dB		TR						105 Cel		860 GHz	-40 Cel	.68 mm	1.6 mm			930 MHz		2.15 mm
TCM1-63AX+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT					.2 W			2.5 dB		TR		30 mA		Other Transformers	L4.06XB3.81XH4.06 (mm)	85 Cel	SIGNAL	10 GHz	-40 Cel	4.06 mm	3.81 mm	LENGTH AND HEIGHT DIMENSION INCLUDE TERMINAL ALSO		6000 MHz	10000 KHz	4.06 mm		6000000 KHz
BAL-NRF01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER					2.25 dB		TAPE & REEL					L1.47XB1.01XH0.63 (mm)	105 Cel		2400 GHz	-40 Cel	.63 mm	1.01 mm	HEIGHT DIMENSION INCLUDES WITH TERMINAL	e1	2540 MHz		1.47 mm
TC1-1-13MG2+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			GOLD OVER NICKEL	50 OHMS	.25 W	50 OHMS	1	3 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH3.81 (mm)	85 Cel	SIGNAL	4.5 GHz	-40 Cel	3.81 mm	3.81 mm	LENGTH DIM INCLUDES TERMINAL ALSO	e4	3000 MHz	4500 KHz	3.81 mm		3000000 KHz
TC1-1-13MG2	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT				50 OHMS		50 OHMS	1	3.02 dB		BULK		30 mA	1	Other Transformers	3.81mm x 3.81mm x 3.81mm	85 Cel	SIGNAL	4.5 GHz	-40 Cel	3.81 mm	3.81 mm			3000 MHz	4500 KHz	3.81 mm		3000000 KHz
TC1-1-13MA+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier	50 OHMS	.25 W	50 OHMS	1	3 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH4.06 (mm)	85 Cel	SIGNAL	4.5 GHz	-40 Cel	4.06 mm	3.81 mm	HEIGHT & LENGTH DIM INCLUDES TERMINALS ALSO	e3	3000 MHz	4500 KHz	3.81 mm		3000000 KHz
TC1-1-13M+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			TIN OVER NICKEL		.25 W		1	3 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH4.06 (mm)	85 Cel	SIGNAL	4.5 GHz	-40 Cel	4.06 mm	3.81 mm	HEIGHT & LENGTH DIM INCLUDES TERMINALS ALSO	e3	3000 MHz	4500 KHz	3.81 mm		3000000 KHz
TC1-1-13M	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			Tin/Lead (Sn/Pb)					3 dB		TAPE & REEL					L3.81XB3.81XH3.81 (mm)	85 Cel		4.5 GHz	-40 Cel	3.81 mm	3.81 mm	OHMS RATIO IS 1	e0	3000 MHz		3.81 mm
TC1-1-13M-75X+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			Tin (Sn) - with Nickel (Ni) barrier					3 dB							L3.81XB3.81XH4.06 (mm)	85 Cel		4.5 GHz	-40 Cel	4.06 mm	3.81 mm	BREADTH AND HEIGHT DIM INCLUDE TERMINAL ALSO; OHMS RATIO :1	e3	3000 MHz		3.81 mm
TC1-1-13M-75+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								3 dB		TR, 13 INCH					L3.81XB3.81XH4.06 (mm)	85 Cel		4.5 GHz	-40 Cel	4.06 mm	3.81 mm	OHMS RATIO IS 1, BREADTH AND HEIGHT DIM INCLUDE TERMINALS ALSO		3000 MHz		3.81 mm	1:1
TC1-1-13M-22+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								3 dB							L3.81XB3.81XH4.06 (mm)	85 Cel		4.5 GHz	-40 Cel	4.06 mm	3.81 mm	OHMS RATIO IS 1, BREADTH AND HEIGHT DIM INCLUDE TERMINALS ALSO		3000 MHz		3.81 mm
ETC1-1T-2TR	M/a-com Technology Solutions	RF TRANSFORMER	SURFACE MOUNT								1.5 dB		TAPE & REEL					L3.81XB2.79XH2.79 (mm)	85 Cel		.1 GHz	-40 Cel	2.79 mm	2.79 mm	CENTER TAPPED SECONDARY; IMPEDANCE RATIO IS 1:1		200 MHz		3.81 mm	1:1
ADT1-1WT+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			TIN OVER NICKEL		.5 W		1	3 dB		TR		30 mA	1	Other Transformers	L7.87XB5.59XH2.84 (mm)	85 Cel	MATCHING	.4 GHz	-20 Cel	2.84 mm	5.59 mm	OHMS RATIO IS 1, HEIGHT DIM INCLUDES TERMINALS ALSO	e3	800 MHz	400 KHz	7.87 mm	1:1	800000 KHz
ADT1-1WT	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			TIN LEAD		.5 W		1	3 dB			.03 A	30 mA	1	Other Transformers	L7.87XB5.59XH2.84 (mm)	85 Cel	MATCHING	.4 GHz	-20 Cel	2.84 mm	5.59 mm	OHMS RATIO IS 1	e0	800 MHz	400 KHz	7.87 mm		800000 KHz
TC1-1-13M-23+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								3 dB		TR, 13 INCH					L3.81XB3.81XH4.06 (mm)	85 Cel		4.5 GHz	-40 Cel	4.06 mm	3.81 mm	HEIGHT & LENGTH DIM INCLUDES TERMINALS ALSO		3000 MHz		3.81 mm
TC1-1-13M-34+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								1.5 dB		TR, 13 INCH						85 Cel		47 GHz	-40 Cel	4.06 mm	3.81 mm	HEIGHT & LENGTH DIM INCLUDES TERMINALS ALSO		1400 MHz		3.81 mm
TC1-1TG2+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			GOLD OVER NICKEL		.25 W		1	3 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH3.81 (mm)	85 Cel	SIGNAL	.4 GHz	-40 Cel	3.81 mm	3.81 mm	LENGTH DIM INCLUDES TERMINALS ALSO	e4	500 MHz	400 KHz	3.81 mm		500000 KHz
MABACT0059	TE Connectivity	RF TRANSFORMER	SURFACE MOUNT								8.4 dB		TR				Other Transformers	3.81mm x 3.81mm x 2.72mm	85 Cel		4.5 GHz	-40 Cel	2.72 mm	2.79 mm	IMPEDANCE RATIO IS 1:1		3000 MHz		3.81 mm
BALF-SPI-01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT								-2 dB		TR						85 Cel		779 GHz	-40 Cel	.71 mm	1.45 mm			956 MHz		2 mm
ADT1-1WT-1+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT	ADT1-1WT-1+		Tin (Sn) - with Nickel (Ni) barrier		.25 W		1	1 dB		TAPE & REEL		30 mA	1	Other Transformers	L7.87XB5.59XH2.84 (mm)	85 Cel	SIGNAL	1 GHz	-20 Cel	2.84 mm	5.59 mm	OHMS RATIO IS 1, HEIGHT DIM INCLUDES TERMINALS ALSO	e3	400 MHz	1000 KHz	7.87 mm		400000 KHz
ADT1-1WT-1	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			Tin/Lead (Sn/Pb)		.25 W		1	1 dB		TAPE & REEL		30 mA	1	Other Transformers	L7.87XB5.59XH2.84 (mm)	85 Cel	SIGNAL	1 GHz	-20 Cel	2.84 mm	5.59 mm	OHMS RATIO IS 1, HEIGHT DIM INCLUDES TERMINALS ALSO	e0	400 MHz	1000 KHz	7.87 mm		400000 KHz
TC1-1TX+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT					.25 W		1	3 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH4.06 (mm)	85 Cel	SIGNAL	.4 GHz	-40 Cel	4.06 mm	3.81 mm			500 MHz	400 KHz	3.81 mm		500000 KHz
CX2041NLT	Pulse Electronics	RF TRANSFORMER	SURFACE MOUNT	CX2041NL	UL			.25 W		1	.6 dB		TAPE & REEL			1	Other Transformers	L3.81XB3.81XH2.79 (mm)	85 Cel	SIGNAL	.05 GHz	-40 Cel	2.79 mm	3.81 mm	IMPEDANCE RATIO IS 1:1CT; HEIGHT DIM INCLUDES TERMINALS ALSO		450 MHz	750 KHz	3.81 mm	1:1CT	300000 KHz
LDB212G4010C-001	Murata Manufacturing	RF TRANSFORMER	SURFACE MOUNT			Tin (Sn)					1 dB							L2.0XB1.25XH0.95 (mm)	85 Cel		2300 GHz	-40 Cel	.95 mm	1.25 mm		e3	2500 MHz		2 mm
0900BL15C050E	Johanson Technology	RF TRANSFORMER	SURFACE MOUNT								1.2 dB		TR					L2.01XB1.24XH0.71 (mm)	85 Cel		800 GHz	-40 Cel	.71 mm	1.24 mm			1000 MHz		2.01 mm
BAL-CC25-01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT								.66 dB		TR, 7 INCH						125 Cel		2379 GHz	-40 Cel	.69 mm	.99 mm			2507 MHz		.99 mm
TC1-1T-75X+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								.6 dB		TR, 7/13 INCH						85 Cel		5 GHz	-40 Cel	4.06 mm	3.81 mm			120 MHz		3.81 mm
BALF-NRG-01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT								-1.1 dB		TR, 7 INCH						105 Cel		2400 GHz	-40 Cel	.68 mm	.875 mm			2500 MHz		1.425 mm
TC1-1T	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			TIN LEAD		.25 W		1	3 dB		TAPE & REEL		30 mA	1	Other Transformers	L3.81XB3.81XH3.81 (mm)	85 Cel	POWER	.4 GHz	-40 Cel	3.81 mm	3.81 mm	OHMS RATIO IS 1	e0	500 MHz	400 KHz	3.81 mm	1:1	500000 KHz
TC1-1T+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			TIN OVER NICKEL		.25 W		1	3 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH3.81 (mm)	85 Cel	SIGNAL	1.5 GHz	-40 Cel	4.06 mm	3.81 mm	LENGTH & HEIGHT DIM INCLUDE TERMINAL ALSO	e3	500 MHz	400 KHz	3.81 mm		500000 KHz
TCM1-83X-1+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								3 dB		TR, 13 INCH					L3.81XB4.06XH4.06 (mm)	85 Cel		10 GHz	-40 Cel	4.06 mm	3.81 mm	HEIGHT & LENGTH DIM INCLUDES TERMINALS ALSO		8000 MHz		4.06 mm
TCM2-33WX+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								3 dB		TR, 13 INCH						85 Cel		10 GHz	-40 Cel	4.06 mm	4.06 mm	LENGTH & HEIGHT DIM INCLUDE TERMINAL ALSO		3000 MHz		3.81 mm
SWB1010-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier						780 uH	TR, EMBOSSED PLASTIC, 13 INCH						85 Cel		.005 GHz	-40 Cel	5.72 mm	6.86 mm	IMPEADANCE RATIO: 1:1	e3	100 MHz		7.87 mm
BALF-SPI-02D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT								-3.2 dB		TR						85 Cel			-40 Cel	.71 mm	1.45 mm			434 MHz		2.05 mm
TCM1-83X+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT								3 dB		TR, 13 INCH						85 Cel		10 GHz	-40 Cel	4.06 mm	4.06 mm	LENGTH & HEIGHT DIM INCLUDE TERMINAL ALSO		8000 MHz		3.81 mm
2450BM14A0002T	Johanson Technology	RF TRANSFORMER	SURFACE MOUNT								2 dB		TAPE & REEL					L1.6XB0.8XH0.6 (mm)	85 Cel		2400 GHz	-40 Cel	.6 mm	.8 mm			2500 MHz		1.6 mm
748412245	Wurth Elektronik	RF TRANSFORMER	SURFACE MOUNT				50 OHMS	2 W	50 OHMS		2 dB		TR, EMBOSSED PLASTIC, 7 INCH					1.6mm x 0.8mm x 0.6mm	85 Cel	MATCHING	2400 GHz	-40 Cel	.6 mm	.8 mm			2500 MHz	2400000 KHz	1.6 mm		2500000 KHz
0915BM15A0001E	Johanson Technology	RF TRANSFORMER	SURFACE MOUNT								2 dB		TR, EMBOSSED PLASTIC, 7 INCH						105 Cel		902 GHz	-40 Cel	.7 mm	1.25 mm			928 MHz		2 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.