RF Transformers

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Part	Manufacturer	Transformer Type	Mounting Feature	Manufacturer Series	Approvals (V)	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	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
SWB1015-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT								80 uH	TR, EMBOSSED PLASTIC, 13 INCH						85 Cel		.1 GHz	-40 Cel	5.72 mm	6.86 mm			IMPEADANCE RATIO: 1.5:1		150 MHz		7.87 mm
SWB3015-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT								80 uH	TR, EMBOSSED PLASTIC, 13 INCH						85 Cel		.1 GHz	-40 Cel	5.72 mm	6.86 mm			IMPEADANCE RATIO: 1.5:1		150 MHz		7.87 mm
TTWB-1-BLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.4 dB	22 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.13 GHz	-40 Cel	4.7 mm	6.1 mm		.07 ohm	IMPEDANCE RATIO IS 1:1	e1	425 MHz	130 KHz	6.48 mm		425000 KHz
WBT4-1ASLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier				.4 dB	96 uH	TR, EMBOSSED PLASTIC, 13 INCH					L8.26XB7.24XH5.72 (mm)	85 Cel		.04 GHz	-40 Cel	5.72 mm	7.24 mm			IMPEDANCE RATIO IS 1 : 4	e3	350 MHz		8.26 mm
1812WBT-2LC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Gold (Au) - with Nickel (Ni) barrier				1 dB	5.3 uH	TR, EMBOSSED PLASTIC, 7 INCH					L4.95XB3.81XH3.43 (mm)	85 Cel		.8 GHz	-40 Cel	3.43 mm	3.81 mm				e4	60 MHz		4.95 mm
PWB2010-1LB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER/TIN OVER NICKEL				.2 dB	95 uH	TR					L6.48XB7.2XH4.45 (mm)	85 Cel		.03 GHz	-40 Cel	4.45 mm	6.48 mm			HEIGHT DIM INCLUDES TERMINAL ALSO		250 MHz		6.77 mm
WBC4-6TLC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)	.25 W	1	300 V	.65 dB	9 uH	TR, EMBOSSED PLASTIC, 7 INCH	.25 A		1	Other Transformers	L4.45XB4.19XH3.05 (mm)	85 Cel	ISOLATION	.3 GHz	-40 Cel	3.05 mm	4.19 mm		.2 ohm	IMPEDANCE RATIO IS 1:4	e1	700 MHz	300 KHz	4.45 mm		700000 KHz
JA4220-ALC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	300 V	.2 dB		TR, EMBOSSED PLASTIC, 7 INCH	.25 A		1	Other Transformers	L3.81XB3.81XH3.05 (mm)	85 Cel	SIGNAL	.1 GHz	-40 Cel	3.05 mm	3.81 mm		.12 ohm		e1	3500 MHz	100 KHz	3.81 mm		3500000 KHz
PWB2010LB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER/TIN OVER NICKEL				.2 dB	780 uH	TR					L6.48XB7.2XH4.45 (mm)	85 Cel		.0035 GHz	-40 Cel	4.45 mm	6.48 mm			HEIGHT DIM INCLUDES TERMINAL ALSO		125 MHz		6.77 mm
TTWB-4-BLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.5 dB	25 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.14 GHz	-40 Cel	4.7 mm	6.1 mm		.135 ohm	IMPEDANCE RATIO IS 1:4	e1	700 MHz	140 KHz	6.48 mm		700000 KHz
WBC4-1TLC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER				1 dB	9 uH	TR, EMBOSSED PLASTIC, 7 INCH					L4.45XB4.19XH3.05 (mm)	85 Cel		.25 GHz	-40 Cel	3.05 mm	4.19 mm			IMPEDANCE RATIO IS 1:4	e1	750 MHz		4.45 mm
HHM1711Q1	TDK	RF TRANSFORMER	SURFACE MOUNT							1 dB								85 Cel		2300 GHz	-40 Cel	.6 mm	.8 mm					3800 MHz		1.6 mm
PWB1010LB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER/TIN OVER NICKEL				.2 dB	780 uH	TR					L6.48XB7.2XH4.45 (mm)	85 Cel		.0035 GHz	-40 Cel	4.45 mm	6.48 mm			HEIGHT DIM INCLUDES TERMINAL ALSO		125 MHz		6.77 mm
TTWB1010-1LD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.2 dB	95 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.03 GHz	-40 Cel	4.7 mm	6.1 mm		.2 ohm	IMPEDANCE RATIO IS 1:1	e1	250 MHz	30 KHz	6.48 mm		250000 KHz
WB3-1TSLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier				.4 dB	96 uH	TR, EMBOSSED PLASTIC, 13 INCH					L8.26XB7.24XH5.72 (mm)	85 Cel		.04 GHz	-40 Cel	5.72 mm	7.24 mm			IMPEDANCE RATIO IS 1 : 3	e3	500 MHz		8.26 mm
WBC1-1LC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)				.4 dB	10 uH	TR, EMBOSSED PLASTIC, 7 INCH					L4.45XB4.19XH3.05 (mm)	85 Cel		.4 GHz	-40 Cel	3.05 mm	4.19 mm			IMPEDANCE RATIO IS 1:1	e1	600 MHz		4.45 mm
WBC2-1TLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn95.5Ag3.8Cu0.7)				.5 dB	10 uH	TR					L4.45XB4.19XH3.05 (mm)	85 Cel		.2 GHz	-40 Cel	3.05 mm	4.19 mm			IMPEDANCE RATIO IS 1:2	e1	500 MHz		4.45 mm
WBC8-1LC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER				.6 dB	22 uH	TR, EMBOSSED PLASTIC, 7 INCH					L4.45XB4.19XH3.05 (mm)	85 Cel		.15 GHz	-40 Cel	3.05 mm	4.19 mm			IMPEDANCE RATIO IS 1:8	e1	600 MHz		4.45 mm
ATB2012V-75011-T01	TDK	RF TRANSFORMER	SURFACE MOUNT		AEC-Q200					1.2 dB		TR, 7 INCH						105 Cel		50 GHz	-40 Cel	1.2 mm	1.2 mm	20				1000 MHz		2 mm
C2073	Pulse Electronics	RF TRANSFORMER	SURFACE MOUNT	C2073	UL					1.2 dB		TRAY					L4.3XB2.69XH3.81 (mm)	85 Cel		65 GHz	-40 Cel	3.81 mm	2.69 mm			IMPEDANCE RATIO IS 1:4CT, HEIGHT DIM INCLUDES TERMINAL ALSO		200 MHz		4.3 mm	1:2CT
HHM1589B1	TDK	RF TRANSFORMER	SURFACE MOUNT							1.4 dB		REEL					L2.0XB1.25XH0.95 (mm)	85 Cel		470 GHz	-40 Cel	.95 mm	1.25 mm					710 MHz		2 mm
HHM1589E1	TDK	RF TRANSFORMER	SURFACE MOUNT							1.5 dB		REEL					L2.0XB1.25XH0.95 (mm)	85 Cel		350 GHz	-40 Cel	.95 mm	1.25 mm					470 MHz		2 mm
PWB-1-ALB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER/TIN OVER NICKEL				.6 dB	40 uH	TR					L6.48XB7.2XH4.45 (mm)	85 Cel		.08 GHz	-40 Cel	4.45 mm	6.48 mm			HEIGHT DIM INCLUDES TERMINAL ALSO		450 MHz		6.77 mm
PWB-16-BLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER/TIN OVER NICKEL				.3 dB	75 uH	TR					L6.48XB7.2XH4.45 (mm)	85 Cel		.075 GHz	-40 Cel	4.45 mm	6.48 mm			HEIGHT DIM INCLUDES TERMINAL ALSO		90 MHz		6.77 mm
PWB-4-BLC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper -Matte Tin -with Nickel barrier	.25 W	1	300 V	.5 dB	25 uH	TR, EMBOSSED PLASTIC, 7 INCH		250 mA	1	Other Transformers	L6.48XB7.2XH4.45 (mm)	85 Cel	SIGNAL	.14 GHz	-40 Cel	4.45 mm	6.48 mm		.135 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO		700 MHz		6.77 mm
SWB2010-PCL	Coilcraft	RF TRANSFORMER	THROUGH HOLE MOUNTED			Matte Tin (Sn) - with Nickel (Ni) barrier					780 uH	TUBE						85 Cel		.005 GHz	-40 Cel	5.72 mm	6.86 mm			IMPEADANCE RATIO: 1:1	e3	100 MHz		7.87 mm
SWB3010-1-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT								95 uH	TR, EMBOSSED PLASTIC, 13 INCH						85 Cel		.04 GHz	-40 Cel	5.72 mm	6.86 mm			IMPEADANCE RATIO: 1:1		175 MHz		7.87 mm
TP-108	M/a-com Technology Solutions	RF TRANSFORMER	SURFACE MOUNT	TP-108						1 dB							9.5mm X 9.5mm X 3.8mm	85 Cel		350 GHz	-55 Cel	3.8 mm	9.5 mm					1125 MHz		9.5 mm
TTWB-1-CLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.6 dB	22 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.1 GHz	-40 Cel	4.7 mm	6.1 mm		.07 ohm	IMPEDANCE RATIO IS 1:1	e1	300 MHz	100 KHz	6.48 mm		300000 KHz
TTWB1010LD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.2 dB	780 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.0035 GHz	-40 Cel	4.7 mm	6.1 mm		.32 ohm	IMPEDANCE RATIO IS 1:1	e1	125 MHz	3.5 KHz	6.48 mm		125000 KHz
TTWB3010-1LD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.2 dB	95 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.03 GHz	-40 Cel	4.7 mm	6.1 mm		.2 ohm	IMPEDANCE RATIO IS 1:1	e1	250 MHz	30 KHz	6.48 mm		250000 KHz
WB1-6TSLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier				.2 dB	70 uH	TR, EMBOSSED PLASTIC, 13 INCH					L8.26XB7.24XH5.72 (mm)	85 Cel		.05 GHz	-40 Cel	5.72 mm	7.24 mm			IMPEDANCE RATIO IS 1 : 1	e3	200 MHz		8.26 mm
WB2010-PCL	Coilcraft	RF TRANSFORMER	THROUGH HOLE MOUNTED	WB2010		Matte Tin (Sn) - with Nickel (Ni) barrier		1	500 V		780 uH	TUBE	.25 A		1		L8.26XB7.24XH5.72 (mm)	85 Cel	ISOLATION	.005 GHz	-40 Cel	5.72 mm	7.24 mm		.32 ohm	IMPEDANCE RATIO IS 1 : 1	e3	100 MHz	5 KHz	8.26 mm		100000 KHz
WB4-6TSLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier				.5 dB	43 uH	TR, EMBOSSED PLASTIC, 13 INCH					L8.26XB7.24XH5.72 (mm)	85 Cel		.05 GHz	-40 Cel	5.72 mm	7.24 mm			IMPEDANCE RATIO IS 1 : 4	e3	200 MHz		8.26 mm
WBC1-1LB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn95.5Ag4.0Cu0.5)				.4 dB	10 uH	TR					L4.45XB4.19XH3.05 (mm)	85 Cel		.4 GHz	-40 Cel	3.05 mm	4.19 mm			IMPEDANCE RATIO IS 1:1	e1	600 MHz		4.45 mm
PWB-1-ALC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper -Matte Tin -with Nickel barrier	.25 W	1	300 V	.6 dB	40 uH	TR, EMBOSSED PLASTIC, 7 INCH		250 mA	1	Other Transformers	L6.48XB7.2XH4.45 (mm)	85 Cel	SIGNAL	.08 GHz	-40 Cel	4.45 mm	6.48 mm		.07 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO		450 MHz		6.77 mm
PWB-1-BLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER/TIN OVER NICKEL				.4 dB	22 uH	TR					L6.48XB7.2XH4.45 (mm)	85 Cel		.13 GHz	-40 Cel	4.45 mm	6.48 mm			HEIGHT DIM INCLUDES TERMINAL ALSO		425 MHz		6.77 mm
PWB-16-ALC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper -Matte Tin -with Nickel barrier	.25 W	1	300 V	.35 dB	75 uH	TR, EMBOSSED PLASTIC, 7 INCH		250 mA	1	Other Transformers	L6.48XB7.2XH4.45 (mm)	85 Cel	SIGNAL	.05 GHz	-40 Cel	4.45 mm	6.48 mm		.91 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO		80 MHz		6.77 mm
PWB2010-1LC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper -Matte Tin -with Nickel barrier	.25 W	1	300 V	.2 dB	95 uH	TR, EMBOSSED PLASTIC, 7 INCH		250 mA	1	Other Transformers	L6.48XB7.2XH4.45 (mm)	85 Cel	SIGNAL	.03 GHz	-40 Cel	4.45 mm	6.48 mm		.2 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO		250 MHz		6.77 mm
PWB3010-1LB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER/TIN OVER NICKEL				.2 dB	95 uH	TR					L6.48XB7.2XH4.45 (mm)	85 Cel		.03 GHz	-40 Cel	4.45 mm	6.48 mm			HEIGHT DIM INCLUDES TERMINAL ALSO		250 MHz		6.77 mm
SWB1010-PCL	Coilcraft	RF TRANSFORMER	THROUGH HOLE MOUNTED			Matte Tin (Sn) - with Nickel (Ni) barrier					780 uH	TUBE						85 Cel		.005 GHz	-40 Cel	5.72 mm	6.86 mm			IMPEADANCE RATIO: 1:1	e3	100 MHz		7.87 mm
SWB1015-PCL	Coilcraft	RF TRANSFORMER	THROUGH HOLE MOUNTED			Matte Tin (Sn) - with Nickel (Ni) barrier					80 uH	TUBE						85 Cel		.1 GHz	-40 Cel	5.72 mm	6.86 mm			IMPEADANCE RATIO: 1.5:1	e3	150 MHz		7.87 mm
TTWB-1-ALD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.6 dB	40 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.08 GHz	-40 Cel	4.7 mm	6.1 mm		.07 ohm	IMPEDANCE RATIO IS 1:1	e1	450 MHz	80 KHz	6.48 mm		450000 KHz
TTWB-16-BLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.3 dB	75 uH	TR		250 mA	1	Other Transformers	6.35mm X 6.1mm X 4.7mm	85 Cel	POWER	.075 GHz	-40 Cel	4.7 mm	6.1 mm		.91 ohm	IMPEDANCE RATIO IS 1:16	e1	90 MHz	75 KHz	6.48 mm		90000 KHz
TTWB-16-BLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.3 dB	75 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.075 GHz	-40 Cel	4.7 mm	6.1 mm		.91 ohm	IMPEDANCE RATIO IS 1:16	e1	90 MHz	75 KHz	6.48 mm		90000 KHz
TTWB-4-ALD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.5 dB	25 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.15 GHz	-40 Cel	4.7 mm	6.1 mm		.135 ohm	IMPEDANCE RATIO IS 1:4	e1	500 MHz	150 KHz	6.48 mm		500000 KHz
TTWB1010	Coilcraft	RF TRANSFORMER	SURFACE MOUNT	TTWB		Tin/Lead (Sn/Pb)	.25 W	1	565.68 V	.2 dB	780 uH	TAPE & REEL	.25 A		1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	MATCHING	.0035 GHz	-40 Cel	4.7 mm	6.1 mm		.32 ohm	IMPEDANCE RATIO 1:1	e0	125 MHz	3.5 KHz	6.35 mm	1:1	125000 KHz
TTWB2010LD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.2 dB	780 uH	TR, EMBOSSED PLASTIC, 13 INCH		250 mA	1	Other Transformers	L6.35XB6.1XH4.7 (mm)	85 Cel	POWER	.0035 GHz	-40 Cel	4.7 mm	6.1 mm		.32 ohm	IMPEDANCE RATIO IS 1:1	e1	125 MHz	3.5 KHz	6.48 mm		125000 KHz

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.