SURFACE MOUNT RF Transformers 256

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Part	Manufacturer	Transformer Type	Mounting Feature	Manufacturer Series	Terminal Finish	Power Rating	No. of Winding (Primary)	Isolation Voltage	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	Diameter	Nominal Input Voltage (V)	Load Resistance	Additional Features	JESD-609 Code	Maximum Cutoff Frequency	Minimum Operating Frequency	Length	Turns Ratio (Np:Ns)	Maximum Operating Frequency
748421245	Wurth Elektronik	RF TRANSFORMER	SURFACE MOUNT		TIN OVER NICKEL	3 W			1 dB		TR, EMBOSSED, 7 INCH					L2.0XB1.25XH0.95 (mm)	85 Cel	MATCHING	2400 GHz	-40 Cel	.95 mm	1.25 mm					e3	2500 MHz	2.4 KHz	2 mm		2.5 KHz
SWB1010-SMLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		Matte Tin (Sn) - with Nickel (Ni) barrier					780 uH	TR						85 Cel		.005 GHz	-40 Cel	5.72 mm	6.86 mm				IMPEADANCE RATIO: 1:1	e3	100 MHz		7.87 mm
TC4-1TG2+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT		GOLD OVER NICKEL		1		2 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH3.81 (mm)	85 Cel	SIGNAL	.5 GHz	-20 Cel	3.81 mm	3.81 mm					e4	300 MHz	500 KHz	3.81 mm		300000 KHz
TC2-72T+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT		TIN OVER NICKEL	.25 W	1		1.8 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH4.06 (mm)	85 Cel	MATCHING	10 GHz	-40 Cel	4.06 mm	3.81 mm					e3	700 MHz	10000 KHz	3.81 mm		700000 KHz
TC2-72T-5+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT						2.5 dB								105 Cel		10 GHz	-40 Cel	4.06 mm	3.81 mm						700 MHz		3.81 mm
TC1-1T-152X+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT						2.5 dB		TR, 7/13 INCH						85 Cel		5 GHz	-40 Cel	4.06 mm	3.81 mm						1500 MHz		3.81 mm
WB1010-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		Matte Tin (Sn) - with Nickel (Ni) barrier					780 uH	TR, EMBOSSED PLASTIC, 13 INCH					L8.26XB7.24XH5.72 (mm)	85 Cel		.005 GHz	-40 Cel	5.72 mm	7.24 mm				IMPEDANCE RATIO IS 1 : 1	e3	100 MHz		8.26 mm
DXW21BN7511TL	Murata Manufacturing	RF TRANSFORMER	SURFACE MOUNT						1 dB		TR, 7 INCH					L2.0XB1.2XH1.2 (mm)	85 Cel		50 GHz	-40 Cel	1.2 mm	1.2 mm		20				1200 MHz		2 mm
ADT2-1T-1P+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT		TIN OVER NICKEL	1 W	1		3 dB		TAPE & REEL		30 mA	1	Other Transformers	L7.87XB5.59XH2.84 (mm)	85 Cel	MATCHING	8 GHz	-40 Cel	2.84 mm	5.59 mm				OHMS RATIO IS 2	e3	600 MHz	8000 KHz	7.87 mm	1:1.414	600000 KHz
ADT2-1T-1P	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT		TIN LEAD	1 W	1		3 dB				30 mA	1		L7.87XB5.59XH2.84 (mm)	85 Cel	MATCHING	8 GHz	-40 Cel	2.84 mm	5.59 mm				OHMS RATIO IS: 2	e0	600 MHz	8000 KHz	7.87 mm		600000 KHz
2450BM15A0002E	Johanson Technology	RF TRANSFORMER	SURFACE MOUNT						1.7 dB		TR					L2.01XB1.24XH0.71 (mm)	125 Cel		2400 GHz	-40 Cel	.71 mm	1.24 mm						2500 MHz		2.01 mm
748411245	Wurth Elektronik	RF TRANSFORMER	SURFACE MOUNT						1.3 dB		TR, EMBOSSED PLASTIC, 7 INCH						85 Cel		2400 GHz	-40 Cel	.6 mm	.8 mm						2500 MHz		1.6 mm
0900BL18B100E	Johanson Technology	RF TRANSFORMER	SURFACE MOUNT						1 dB		TR, EMBOSSED, 7 INCH						85 Cel		800 GHz	-40 Cel	.85 mm	1.6 mm						1000 MHz		3.2 mm
BALF-SPI2-02D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT		Tin/Silver/Copper (Sn/Ag/Cu)				3.6 dB		TR						105 Cel			-40 Cel	.68 mm	1.6 mm				HEIGHT DIM INCLUDES TERMINALS ALSO	e1			2.15 mm
HHM1595A1	TDK	RF TRANSFORMER	SURFACE MOUNT						1.5 dB		TAPE & REEL					L2.0XB1.25XH0.95 (mm)	85 Cel		3000 GHz	-40 Cel	.95 mm	1.25 mm						8000 MHz		2 mm
HHM17144A1	TDK	RF TRANSFORMER	SURFACE MOUNT						1.2 dB		TR, PAPER, 7 INCH						85 Cel		791 GHz	-40 Cel	.5 mm	.8 mm						960 MHz		1.6 mm
TC2-1TX+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT			.25 W	1		1 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH4.06 (mm)	85 Cel	MATCHING	3 GHz	-20 Cel	4.06 mm	3.81 mm						300 MHz	3000 KHz	3.81 mm		300000 KHz
ATB2012-75011-T000	TDK	RF TRANSFORMER	SURFACE MOUNT						1.2 dB		TR, 7 INCH						85 Cel		50 GHz	-40 Cel	1.2 mm	1.2 mm		20		IMPEDANCE RATIO IS 1:1		1200 MHz		2 mm
MABA-011026	M/a-com Technology Solutions	RF TRANSFORMER	SURFACE MOUNT						1 dB		TR, 13 INCH						100 Cel		5 GHz	-40 Cel	3.53 mm	4.21 mm						200 MHz		5.3 mm
ATB2012-75011-T	TDK	RF TRANSFORMER	SURFACE MOUNT						1.2 dB		TR, 7 INCH						85 Cel		50 GHz	-40 Cel	1.2 mm	1.2 mm		20				1200 MHz		2 mm
BD2425NNRF	Ttm Technologies	RF TRANSFORMER	SURFACE MOUNT		NICKEL GOLD				1.25 dB		TR, 7 INCH					1.05mm X 1.05mm X 0.57mm	85 Cel		2400 GHz	-55 Cel	.57 mm	1.05 mm					e4	2525 MHz		1.05 mm
DXW21BN7511SL	Murata Manufacturing	RF TRANSFORMER	SURFACE MOUNT						1.4 dB		TR, EMBOSSED, 7 INCH					L2.0XB1.2XH1.2 (mm)	85 Cel		1000 GHz	-40 Cel	1.2 mm	1.2 mm		20				1500 MHz		2 mm
MABA-011002	M/a-com Technology Solutions	RF TRANSFORMER	SURFACE MOUNT						3.6 dB		TR, 13 INCH						85 Cel		5 GHz	-40 Cel	3.88 mm	6.35 mm						200 MHz		7.11 mm	4:1
2450BM15A0015E	Johanson Technology	RF TRANSFORMER	SURFACE MOUNT	2450BM15A0015					1.5 dB		REEL					L2.0XB1.25XH0.8 (mm)	85 Cel		2400 GHz	-40 Cel	.8 mm	1.25 mm						2500 MHz		2 mm
WBC1-1TLC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		TIN SILVER COPPER	.25 W	1	300 V	.58 dB	9.5 uH	TR, EMBOSSED PLASTIC, 7 INCH	.25 A		1	Other Transformers	L4.45XB4.19XH3.05 (mm)	85 Cel	ISOLATION	.25 GHz	-40 Cel	3.05 mm	4.19 mm			.075 ohm	IMPEDANCE RATIO IS 1:1	e1	750 MHz	250 KHz	4.45 mm		750000 KHz
WBC16-1TLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		Tin/Silver/Copper (Sn95.5Ag4.0Cu0.5)	.25 W	1	300 V	.8 dB	5 uH	TR	.25 A		1	Other Transformers	L4.45XB4.19XH3.05 (mm)	85 Cel	ISOLATION	.6 GHz	-40 Cel	3.05 mm	4.19 mm			.23 ohm	IMPEDANCE RATIO IS 1:16	e1	300 MHz	600 KHz	4.45 mm		300000 KHz
748425245	Wurth Elektronik	RF TRANSFORMER	SURFACE MOUNT			3 W			1 dB		TR, EMBOSSED PLASTIC, 7 INCH					2mm x 1.25mm x 0.85mm	85 Cel	MATCHING	2400 GHz	-40 Cel	.95 mm	1.25 mm						2500 MHz	2.4 KHz	2 mm		2.5 KHz
ATB2012-50011-T000	TDK	RF TRANSFORMER	SURFACE MOUNT		Tin/Nickel/Copper (Sn/Ni/Cu)				2.5 dB		TR, 7 INCH						85 Cel		40 GHz	-40 Cel	1.2 mm	1.2 mm		20			e2	860 MHz		2 mm
#458PT-1720=P3	Murata Manufacturing	RF TRANSFORMER	SURFACE MOUNT	B5F												L6.9XB3.8XH4.4 (mm)					4.4 mm	3.8 mm								6.9 mm
ADT1-1	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT		TIN LEAD	.25 W	1		3 dB		TAPE & REEL		30 mA	1	Other Transformers	L7.87XB5.59XH2.84 (mm)	85 Cel	MATCHING	.15 GHz	-20 Cel	2.84 mm	5.59 mm				OHMS RATIO IS 1	e0	400 MHz	150 KHz	7.87 mm	1:1	400000 KHz
ADT1-1+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT		TIN OVER NICKEL	.25 W	1		3 dB		TR, 13 INCH		30 mA	1	Other Transformers	L7.87XB5.59XH2.84 (mm)	85 Cel	MATCHING	.15 GHz	-20 Cel	2.84 mm	5.59 mm				HEIGHT DIM INCLUDES TERMINAL ALSO	e3	400 MHz	150 KHz	7.87 mm		400000 KHz
SWB3010-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT							780 uH	TR, EMBOSSED PLASTIC, 13 INCH						85 Cel		.005 GHz	-40 Cel	5.72 mm	6.86 mm				IMPEADANCE RATIO: 1:1		100 MHz		7.87 mm
TC2-1T	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT		TIN LEAD	.25 W	1		1 dB		TAPE & REEL		30 mA	1	Other Transformers	L3.81XB3.81XH3.81 (mm)	85 Cel	POWER	3 GHz	-20 Cel	3.81 mm	3.81 mm				OHMS RATIO IS 2	e0	300 MHz	3000 KHz	3.81 mm	1:1.414	300000 KHz
TC2-1T+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT		TIN OVER NICKEL		1		1 dB		TR, 13 INCH		30 mA	1	Other Transformers	L3.81XB3.81XH3.81 (mm)	85 Cel	MATCHING	3 GHz	-40 Cel	4.06 mm	3.91 mm				LENGTH & HEIGHT DIM INCLUDE TERMINAL ALSO, OHMS RATIO IS 4	e3	300 MHz	3000 KHz	3.81 mm		300000 KHz
WB1010-SMLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		Matte Tin (Sn) - with Nickel (Ni) barrier					780 uH	TR					L8.26XB7.24XH5.72 (mm)	85 Cel		.005 GHz	-40 Cel	5.72 mm	7.24 mm				IMPEDANCE RATIO IS 1 : 1	e3	100 MHz		8.26 mm
ATB3225-75034CT	TDK	RF TRANSFORMER	SURFACE MOUNT						2 dB		TR, 7 INCH						85 Cel		1 GHz	-25 Cel	2.3 mm	2.5 mm				IMPEDANCE RATIO IS 3:4		100 MHz		3.2 mm
BALF-NRF01D3	STMicroelectronics	RF TRANSFORMER	SURFACE MOUNT						1.46 dB		TR						85 Cel		2400 GHz	-40 Cel	.63 mm	1 mm						2540 MHz		1.5 mm
PWB2010LC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		Tin/Silver/Copper -Matte Tin -with Nickel barrier	.25 W	1	300 V	.2 dB	780 uH	TR, EMBOSSED PLASTIC, 7 INCH		250 mA	1	Other Transformers	L6.48XB7.2XH4.45 (mm)	85 Cel	SIGNAL	.0035 GHz	-40 Cel	4.45 mm	6.48 mm			.32 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO		125 MHz		6.77 mm
0433BM15A0001E	Johanson Technology	RF TRANSFORMER	SURFACE MOUNT						1.9 dB		TR						85 Cel		402 GHz	-40 Cel	.7 mm	1.25 mm						435 MHz		2 mm
1720BL15B0050E	Johanson Technology	RF TRANSFORMER	SURFACE MOUNT						1.5 dB		TR					L2.01XB1.24XH0.94 (mm)	85 Cel		625 GHz	-40 Cel	.94 mm	1.24 mm						2815 MHz		2.01 mm
SWB3010-SMLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		Matte Tin (Sn) - with Nickel (Ni) barrier					780 uH	TR						85 Cel		.005 GHz	-40 Cel	5.72 mm	6.86 mm				IMPEADANCE RATIO: 1:1	e3	100 MHz		7.87 mm
TCM2-63WX+	Mini-circuits	RF TRANSFORMER	SURFACE MOUNT						3.9 dB		TR, 13 INCH						85 Cel		30 GHz	-40 Cel	4.06 mm	3.81 mm				LENGTH & HEIGHT DIM INCLUDE TERMINAL ALSO		6000 MHz		4.06 mm
MABA-010247-2R1250	M/a-com Technology Solutions	RF TRANSFORMER	SURFACE MOUNT						4 dB		TAPE & REEL					L4.21XB4.21XH2.7 (mm)	85 Cel		1 GHz	-40 Cel	2.7 mm	4.21 mm						1600 MHz		4.21 mm	1:2
MABACT0040TR	M/a-com Technology Solutions	RF TRANSFORMER	SURFACE MOUNT	MABACT0040					1.6 dB		TAPE & REEL					D4.21XH3.81 (mm)	85 Cel		5 GHz	-40 Cel	3.81 mm		4.21 mm			CENTER TAPPED SECONDARY; IMPEDANCE RATIO IS 1:1		1000 MHz
ATB3225-75011CT-T001	TDK	RF TRANSFORMER	SURFACE MOUNT						1.5 dB		TR, 7 INCH						85 Cel		5 GHz	-25 Cel	2.3 mm	2.5 mm				IMPEDANCE RATIO IS 1:1		200 MHz		3.2 mm
CX2078NL	Pulse Electronics	RF TRANSFORMER	SURFACE MOUNT						.6 dB		TRAY					L4.3XB2.69XH3.0 (mm)	85 Cel		5 GHz	-40 Cel	3 mm	2.69 mm				HEIGHT DIMENSION INCLUDES TERMINAL ALSO, IMPEDANCE RATIO IS 1:1		500 MHz		4.3 mm	1:1
MABACT0040	M/a-com Technology Solutions	RF TRANSFORMER	SURFACE MOUNT						1.6 dB		TR, 13 INCH						105 Cel		5 GHz	-40 Cel	2.7 mm	4.21 mm				HEIGHT DIMENSION INCLUDES TERMINALS ALSO		1218 MHz		4.21 mm
SWB2010-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT							780 uH	TR, EMBOSSED PLASTIC, 13 INCH						85 Cel		.005 GHz	-40 Cel	5.72 mm	6.86 mm				IMPEADANCE RATIO: 1:1		100 MHz		7.87 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.