Coilcraft RF Transformers 84

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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	Load Resistance	Additional Features	JESD-609 Code	Maximum Cutoff Frequency	Minimum Operating Frequency	Length	Turns Ratio (Np:Ns)	Maximum Operating Frequency
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
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
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
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
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
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
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
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
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
1812WBT-3LC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Gold (Au) - with Nickel (Ni) barrier				1 dB	1.25 uH	TR, EMBOSSED PLASTIC, 7 INCH					L4.95XB3.81XH3.43 (mm)	85 Cel		4 GHz	-40 Cel	3.43 mm	3.81 mm			e4	200 MHz		4.95 mm
Z9314-ALC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)				1.1 dB	4.5 uH	TR, EMBOSSED PLASTIC, 7 INCH						85 Cel		.35 GHz	-40 Cel	4.83 mm	6.1 mm			e1	1700 MHz		6.35 mm
TTWB2040LB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.4 dB	25 uH	TR		250 mA	1	Other Transformers	6.35mm X 6.1mm X 4.7mm	85 Cel	POWER	.15 GHz	-40 Cel	4.7 mm	6.1 mm	.16 ohm	IMPEDANCE RATIO IS 1:4	e1	400 MHz	150 KHz	6.48 mm		400000 KHz
TTWB2040	Coilcraft	RF TRANSFORMER	SURFACE MOUNT	TTWB		Tin/Lead (Sn/Pb)				.4 dB	25 uH	TAPE & REEL					L6.35XB6.1XH4.7 (mm)	85 Cel		.15 GHz	-40 Cel	4.7 mm	6.1 mm		IMPEDANCE RATIO 1:4	e0	400 MHz		6.35 mm	1:4
TTWB2040LD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)		1	400 V	.4 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	.16 ohm	IMPEDANCE RATIO IS 1:4	e1	400 MHz	150 KHz	6.48 mm		400000 KHz
Z9314-ALB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)				1.1 dB	4.5 uH	TR					L6.35XB6.1XH4.83 (mm)	85 Cel		.35 GHz	-40 Cel	4.83 mm	6.1 mm			e1	1700 MHz		6.35 mm
WB2010-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT	WB2010		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
Z9314-ALD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn/Ag/Cu)				1.1 dB	4.5 uH	TR, EMBOSSED PLASTIC, 13 INCH					L6.35XB6.1XH4.83 (mm)	85 Cel		.35 GHz	-40 Cel	4.83 mm	6.1 mm			e1	1700 MHz		6.35 mm
1812WBT-5LC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Gold (Au) - with Nickel (Ni) barrier				1.5 dB	.09 uH	TR, EMBOSSED PLASTIC, 7 INCH					L4.95XB3.81XH3.43 (mm)	85 Cel		48 GHz	-40 Cel	3.43 mm	3.81 mm			e4	645 MHz		4.95 mm
WBC1-1TLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn95.5Ag3.8Cu0.7)	.25 W	1	300 V	.58 dB	9.5 uH	TR	.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
UWB1-85EC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		AEC-Q200	Tin/Silver/Copper (Sn/Ag/Cu)				1.5 dB	3.6 uH	TR, EMBOSSED PLASTIC, 7 INCH						125 Cel		1 GHz	-40 Cel	3.175 mm	3.175 mm		IMPEDANCE RATIO IS 1:1	e1	8500 MHz		4.06 mm
PWB1010-1LC	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
PWB3010LC	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
PWB-2-BLC	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	.2 GHz	-40 Cel	4.45 mm	6.48 mm	.13 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO		400 MHz		6.77 mm
SWB2010-1-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
WB2-1TL	Coilcraft	RF TRANSFORMER	THROUGH HOLE MOUNTED			Matte Tin (Sn) - with Nickel (Ni) barrier				1 dB	38 uH	TUBE					L8.26XB7.24XH5.72 (mm)	85 Cel		.07 GHz	-40 Cel	5.72 mm	7.24 mm		IMPEDANCE RATIO IS 1 : 2	e3	400 MHz		8.26 mm
WBC16-1TLC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn95.5Ag4.0Cu0.5)	.25 W	1	300 V	.8 dB	5 uH	TR, EMBOSSED PLASTIC, 7 INCH	.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
WBC2-1TLC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn95.5Ag4.0Cu0.5)				.5 dB	10 uH	TR, EMBOSSED PLASTIC, 7 INCH					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
PWB1010LC	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
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
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
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

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.