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
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
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
UWB4-45EC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		AEC-Q200	Tin/Silver/Copper (Sn/Ag/Cu)				1.3 dB	7.5 uH	TR, EMBOSSED PLASTIC, 7 INCH						125 Cel		.5 GHz	-40 Cel	3.175 mm	3.175 mm		IMPEDANCE RATIO IS 1:4	e1	4500 MHz		4.06 mm
WB1.5-6SLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier				.26 dB	56 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 : 1.5	e3	325 MHz		8.26 mm
WB1010-1-PCL	Coilcraft	RF TRANSFORMER	THROUGH HOLE MOUNTED	WB1010		Matte Tin (Sn) - with Nickel (Ni) barrier					95 uH	TUBE					L8.26XB7.24XH5.72 (mm)	85 Cel		.04 GHz	-40 Cel	5.72 mm	7.24 mm		IMPEDANCE RATIO IS 1 : 1	e3	175 MHz		8.26 mm
WB1010-1-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT	WB1010		Matte Tin (Sn) - with Nickel (Ni) barrier					95 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 : 1	e3	175 MHz		8.26 mm
WB2010-1-SMLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT	WB2010		Matte Tin (Sn) - with Nickel (Ni) barrier					95 uH	TR					L8.26XB7.24XH5.72 (mm)	85 Cel		.04 GHz	-40 Cel	5.72 mm	7.24 mm		IMPEDANCE RATIO IS 1 : 1	e3	175 MHz		8.26 mm
WB3010-SMLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT	WB3010		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
WB4-1HSLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier				.5 dB	25 uH	TR, EMBOSSED PLASTIC, 13 INCH					L8.26XB7.24XH5.72 (mm)	85 Cel		.1 GHz	-40 Cel	5.72 mm	7.24 mm		IMPEDANCE RATIO IS 1 : 4	e3	500 MHz		8.26 mm
WB9-1SLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier				.57 dB	25 uH	TR, EMBOSSED PLASTIC, 13 INCH					L8.26XB7.24XH5.72 (mm)	85 Cel		.125 GHz	-40 Cel	5.72 mm	7.24 mm		IMPEDANCE RATIO IS 1 : 9	e3	125 MHz		8.26 mm
WBC4-1WLB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Tin/Silver/Copper (Sn95.5Ag4.0Cu0.5)	.25 W	1	300 V	.9 dB	5 uH	TR	.25 A		1	Other Transformers	L4.45XB4.19XH3.05 (mm)	85 Cel	ISOLATION	.5 GHz	-40 Cel	3.05 mm	4.19 mm	.12 ohm	IMPEDANCE RATIO IS 1:4	e1	1000 MHz	500 KHz	4.45 mm		1000000 KHz
WBC4-4LB	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			TIN SILVER COPPER				1 dB	9 uH	TR					L4.45XB4.19XH3.05 (mm)	85 Cel		.25 GHz	-40 Cel	3.05 mm	4.19 mm		IMPEDANCE RATIO IS 1:4	e1	800 MHz		4.45 mm
WBT16-1L	Coilcraft	RF TRANSFORMER	THROUGH HOLE MOUNTED			Matte Tin (Sn) - with Nickel (Ni) barrier				.5 dB	25 uH	TUBE					L8.26XB7.24XH5.72 (mm)	85 Cel		.1 GHz	-40 Cel	5.72 mm	7.24 mm		IMPEDANCE RATIO IS 1 : 16	e3	100 MHz		8.26 mm
WBT4-1SLD	Coilcraft	RF TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier				.26 dB	45 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	150 MHz		8.26 mm
YA9308-AEC	Coilcraft	RF TRANSFORMER	SURFACE MOUNT		AEC-Q200					.5 dB	54 uH	TR, EMBOSSED PLASTIC, 7 INCH						125 Cel		.1 GHz	-40 Cel	3.05 mm	4.19 mm				950 MHz		4.45 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.