Pulse & Datacom Transformers

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Part	Manufacturer	Transformer Type	Mounting Feature	Manufacturer Series	Approvals (V)	Terminal Finish	No. of Functions	No. of Winding (Primary)	Maximum Pulse Rise Time	Isolation Voltage	Insertion Loss	Inductance (Primary)	Packing Method	Output Current-1	Minimum ET Product	Maximum DC Unbalance Current	No. of Winding (Secondary)	Sub-Category	Dimensions	Maximum Operating Temperature	Application	Output Voltage-1	Minimum Operating Temperature	Height	Width	Nominal Input Voltage (V)	Load Resistance	Additional Features	Minimum Input Voltage (V)	JESD-609 Code	Minimum Operating Frequency	Length	Turns Ratio (Np:Ns)	Maximum Operating Frequency	Maximum Input Voltage (V)
IT239	Schaffner Holding Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		UL		1		2300 ns	1000 V		3000 uH			300 V-us				L27.0XB22.5XH13.7 (mm)	70 Cel	GENERAL PURPOSE		-25 Cel	13.7 mm	22.5 mm							27 mm	1:1
IT248	Schaffner Holding Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		UL		1		2200 ns	750 V		17000 uH			350 V-us				L17.6XB16.7XH11.3 (mm)	70 Cel	GENERAL PURPOSE		-25 Cel	11.3 mm	16.7 mm							17.6 mm	2:1
ITNF-0135-D101	Schurter Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED	IT	VDE		1		900 ns	3500 V		1100 uH	BULK		150 V-us				L15.2XB13.0XH10.6 (mm)	100 Cel	GENERAL PURPOSE		-25 Cel	10.6 mm	13 mm							15.2 mm	1:1:1
ITNF-0239-D202	Schurter Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		IEC; UL	TIN	1		1500 ns	3500 V		1600 uH	BULK		350 V-us				L22.7XB22.3XH13.6 (mm)	100 Cel	GENERAL PURPOSE		-25 Cel	13.6 mm	22.3 mm					e3		22.7 mm	1:1:1
ITNF-0249-D101	Schurter Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		IEC; UL	TIN	1		1000 ns	3500 V		1400 uH	BULK		250 V-us				L18.2XB17.8XH13.0 (mm)	100 Cel	GENERAL PURPOSE		-25 Cel	13 mm	17.8 mm					e3		18.2 mm	1:1:1
ITRA-0239-D502	Schurter Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		IEC; UL	TIN	1		100 ns	3200 V		2200 uH	BULK		400 V-us				L22.7XB22.3XH13.6 (mm)	100 Cel	GENERAL PURPOSE		-25 Cel	13.6 mm	22.3 mm					e3		22.7 mm	1:1
ITRA-0249-D104	Schurter Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		IEC; UL	TIN	1		50 ns	3200 V		3500 uH	BULK		300 V-us				L18.2XB17.8XH13.0 (mm)	100 Cel	GENERAL PURPOSE		-25 Cel	13 mm	17.8 mm					e3		18.2 mm	1:1
ITRF-0249-D101	Schurter Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		VDE	TIN	1		50 ns	3200 V		1200 uH	BULK		250 V-us				L18.2XB17.8XH13.0 (mm)	100 Cel	GENERAL PURPOSE		-25 Cel	13 mm	17.8 mm					e3		18.2 mm	1:1:1
IX-30-0002	Schurter Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		IEC, UL	TIN	1		700 ns	2500 V		50000 uH	BULK		500 V-us				L25.5XB25.5XH25.5 (mm)	70 Cel	THYRISTOR TRIGGER		-25 Cel	25.5 mm	25.5 mm	380				e3		25.5 mm	3:1:1
LP5009ANL	Link-pp Int'l Technology	DATACOM TRANSFORMER	SURFACE MOUNT				1												L13.16XB18.59XH6.12 (mm)	85 Cel	10/100 BASE-T; ETHERNET; LAN		-40 Cel	6.12 mm	18.59 mm							13.16 mm	1CT:1CT; 1CT:1CT
PA0184NL	Pulse Electronics	PULSE TRANSFORMER	SURFACE MOUNT		AEC-Q200		1			1500 V		1200 uH	TUBE		27.2 V-us				L9.0XB8.6XH7.6 (mm)	130 Cel	GATE DRIVE		-40 Cel	7.6 mm	8.6 mm			LENGTH AND BREADTH DIMENSION INCLUDES TERMINAL ALSO				9 mm	1:1
PA0185NLT	Pulse Electronics	PULSE TRANSFORMER	SURFACE MOUNT				1			1500 V		980 uH	TAPE & REEL		17.2 V-us				L11.8XB8.8XH4.0 (mm)	130 Cel	GATE DRIVE		-40 Cel	4 mm	8.8 mm			LENGTH AND BREADTH DIMENSION INCLUDES TERMINAL ALSO				11.8 mm	1:1
PMGD-02	Premier Magnetics	PULSE TRANSFORMER	THROUGH HOLE MOUNT				1			1500 V		530 uH								80 Cel	GATE DRIVE		-40 Cel	13.46 mm	13.61 mm							13.97 mm	1:1:1
T-1231	Rhombus Industries	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED	T-1231			1			500 V		7680 uH							14.22mm X 11.93mm X 12.19mm		GENERAL PURPOSE			12.19 mm	11.93 mm							14.22 mm	1.7:1.6
1000B-5001XNL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4					350 uH	TAPE & REEL; TUBE						L17.53XB12.19XH5.72 (mm)	125 Cel	10/100/1000 BASE-T		-55 Cel	5.72 mm	12.19 mm			HEIGHT DIMENSION INCLUDES TERMINAL ALSO				17.53 mm	1:1
1000B-5002XT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4					350 uH	TAPE & REEL						L17.53XB12.19XH5.72 (mm)	125 Cel	10/100/1000 BASE-T		-55 Cel	5.72 mm	12.19 mm			HEIGHT DIMENSION INCLUDES TERMINAL ALSO				17.53 mm	1:1; 1:1
750311675	Wurth Elektronik	DATACOM TRANSFORMER	SURFACE MOUNT			TIN SILVER	1	2		1500 V		25 uH	TAPE & REEL	2 A		2500 mA	1	Other Transformers	L15.24XB13.34XH11.43 (mm)	125 Cel	GENERAL PURPOSE	5 V	-40 Cel	11.43 mm	13.34 mm		.011 ohm	LENGTH DIM INCLUDES TERMINALS ALSO	9	e2		15.24 mm	3:1		30
750811290	Wurth Elektronik	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED				1			4500 V		461 uH	TRAY						L31.0XB31.0XH25.0 (mm)	125 Cel	GENERAL PURPOSE		-40 Cel	25 mm	31 mm							31 mm	1:1
76602/1C	Murata Manufacturing	PULSE TRANSFORMER	THROUGH HOLE MOUNTED				1			500 V		2060 uH	TUBE		17.5 V-us						GENERAL PURPOSE			6.35 mm	8.89 mm							12.7 mm	1:1:1
78601/4C	Murata Manufacturing	PULSE TRANSFORMER	THROUGH HOLE MOUNTED				1			1000 V		67 uH	TUBE		4 V-us						GENERAL PURPOSE			6.35 mm	9 mm							9.52 mm	1:1
78601/9MC-R	Murata Manufacturing	PULSE TRANSFORMER	SURFACE MOUNT	786	UL	Matte Tin (Sn)	1			1000 V		10000 uH	TAPE & REEL		56 V-us				L9.52XB9.0XH6.35 (mm)	70 Cel	GENERAL PURPOSE		0 Cel	6.35 mm	9 mm					e3		9.52 mm	1:1
78602/4JC-R	Murata Manufacturing	PULSE TRANSFORMER	SURFACE MOUNT				1			1000 V		53 uH	TAPE & REEL		4 V-us				L9.52XB9.0XH6.65 (mm)	85 Cel	GENERAL PURPOSE		-40 Cel	6.65 mm	9 mm			CENTER TAPPED SECONDARY				9.52 mm	1:1:1
78604/4JC-R	Murata Manufacturing	PULSE TRANSFORMER	SURFACE MOUNT				1			1000 V		65 uH	TAPE & REEL		4 V-us				L9.52XB9.0XH6.65 (mm)	85 Cel	GENERAL PURPOSE		-40 Cel	6.65 mm	9 mm			CENTER TAPPED SECONDARY				9.52 mm	2:1
78613/2JC-R	Murata Manufacturing	PULSE TRANSFORMER	SURFACE MOUNT				1			1000 V		490 uH	TAPE & REEL		10 V-us				L9.52XB9.0XH6.65 (mm)	85 Cel	GENERAL PURPOSE		-40 Cel	6.65 mm	9 mm			CENTER TAPPED SECONDARY				9.52 mm	1CT:1
B82804A0354A110	TDK	PULSE TRANSFORMER	SURFACE MOUNT				1					350 uH	TR, BLISTER, 13 INCH		25.8 V-us					125 Cel	GATE DRIVE		-40 Cel	5.4 mm	6.1 mm							6.7 mm	1:1
DA2319-ALB	Coilcraft	PULSE TRANSFORMER	SURFACE MOUNT			Tin/Silver - Matte Tin - with Nickel barrier	1	1		1500 V		296 uH	TR		25.8 V-us		1	Other Transformers	L6.6XB5.0XH5.4 (mm)	125 Cel	GATE DRIVE		-40 Cel	5.4 mm	5.6 mm		.655 ohm	HEIGHT DIM INCLUDES TERMINAL ALSO			50 KHz	6.6 mm	1:1	2000 KHz
DA2319-ALC	Coilcraft	PULSE TRANSFORMER	SURFACE MOUNT			Tin/Silver (Sn/Ag)	1			1500 V		296 uH	TR, EMBOSSED PLASTIC, 7 INCH		25.8 V-us				L6.6XB5.0XH5.4 (mm)	125 Cel	GATE DRIVE		-40 Cel	5.4 mm	5.6 mm			HEIGHT DIM INCLUDES TERMINAL ALSO		e2		6.6 mm	1:1
DA2319-ALD	Coilcraft	PULSE TRANSFORMER	SURFACE MOUNT			Tin/Silver - Matte Tin - with Nickel barrier	1			1500 V		296 uH	TR, EMBOSSED PLASTIC, 13 INCH		25.8 V-us				L6.6XB5.0XH5.4 (mm)	125 Cel	GATE DRIVE		-40 Cel	5.4 mm	5.6 mm			HEIGHT DIM INCLUDES TERMINAL ALSO				6.6 mm	1:1
FPQT1553-45	Pulse Electronics	PULSE TRANSFORMER	SURFACE MOUNT				1												L0.625XB0.625XH0.25 (inch)	130 Cel	GENERAL PURPOSE		-55 Cel	6.35 mm	15.86 mm							15.86 mm	1CT:2.50CT
H1183NLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				1			1500 V			TR						L12.7XB7.11XH5.59 (mm)	70 Cel	10/100 BASE-T; AUTOMDIX		0 Cel	5.59 mm	7.11 mm			HEIGHT DIMENSION INCLUDES TERMINALS ALSO				12.7 mm	1:1; 1:1
H1260FNLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				1			1500 V		350 uH	TAPE & REEL						L12.7XB9.09XH5.99 (mm)	70 Cel	GENERAL PURPOSE		0 Cel	5.99 mm	9.09 mm			HEIGHT INCLUDES TERMINAL ALSO				12.7 mm	1:1
HMU1228NLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				1			4300 V		150 uH	TR							125 Cel	GENERAL PURPOSE		-40 Cel	6.85 mm	8.89 mm			HEIGHT DIAMENSION INCLUDE TERMINALS ALSO				10.03 mm	1CT:1CT
HX1188T	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				1			1500 V			TR							85 Cel	10/100 BASE-T		-40 Cel	5.97 mm	7.11 mm			HEGHT DIM INCLUDES TERMINAL ALSO				12.7 mm	1:1; 1:1
HX5014FNLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - with Nickel (Ni) barrier	4			1500 V		350 uH	TAPE & REEL						L27.81XB14.99XH7.24 (mm)	85 Cel	GENERAL PURPOSE		-40 Cel	7.24 mm	14.99 mm			HEIGHT DIMENSION INCLUDES TERMINALS ALSO		e3		27.81 mm	1:1
HX5401NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V										85 Cel	ETHERNET		-40 Cel	11.18 mm	17.27 mm			HEIGHT DIMENSION INCLUDES TERMINALS ALSO				28.45 mm	1:1; 1:1
LFE9249-R	Delta Electronics	DATACOM TRANSFORMER	SURFACE MOUNT	LFE9249-R		Tin/Silver/Copper (Sn/Ag/Cu)	4			1500 V		350 uH							L15.1XB7.1XH3.75 (mm)	70 Cel	LAN		0 Cel	3.75 mm	7.1 mm					e1		15.1 mm	1CT:1CT; 1CT:1CT
PE-63387NL	Pulse Electronics	PULSE TRANSFORMER	THROUGH HOLE MOUNTED	PE-63387NL	VDE		1			3750 V		1500 uH							L27.69XB19.05XH30.48 (mm)	70 Cel	GENERAL PURPOSE		0 Cel	30.48 mm	19.05 mm							27.69 mm	1:1:1
Q1553-20	Pulse Electronics	PULSE TRANSFORMER	THROUGH HOLE MOUNTED				1												L12.7XB8.89XH6.35 (mm)	130 Cel	GENERAL PURPOSE		-55 Cel	6.35 mm	8.89 mm							12.7 mm	1:1.41
SM91076L-E	Bourns	DATACOM TRANSFORMER	SURFACE MOUNT				1			2250 V		350 uH	TR, 13 INCH							125 Cel	10/100 BASE-T		-40 Cel	6.1 mm	7.4 mm			HEIGHT DIMENSION INCLUDES TERMINALS ALSO				13.3 mm	1:1
ST7033QNL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				3			1500 V		90 uH								70 Cel	GENERAL PURPOSE		0 Cel	5.72 mm	6.99 mm			HEIGHT DIAMENSION INCLUDE TERMINALS ALSO				11.56 mm	1:1:1
TG10G-RP02NJLF	Halo Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V									L13.84XB12.19XH6.35 (mm)	70 Cel	10G BASE-T; ETHERNET		0 Cel	6.35 mm	12.19 mm			HEIGHT DIMENSION INCLUDES TERMINAL ALSO				13.84 mm
TG110-RPE5N5LF	Halo Electronics	DATACOM TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn) - reflowed over Nickel (Ni) barrier	1			1500 V									L12.7XB7.11XH6.35 (mm)	85 Cel	10/100 BASE-TX; ETHERNET		-40 Cel	6.35 mm	7.11 mm			HEIGHT DIMENSION INCLUDES TERMINAL ALSO		e3		12.7 mm
X-1569T	Pulse Electronics	PULSE TRANSFORMER	SURFACE MOUNT				1			1500 V		39.5 uH	TAPE & REEL		45.1 V-us				L9.01XB8.63XH7.62 (mm)	130 Cel	GATE DRIVE		-40 Cel	7.62 mm	8.63 mm			BREADTH & HEIGHT DIMENSIONS INCLUDE TERMINALS ALSO				9.01 mm	1:1
XFVOIP-05	Xfmrs	DATACOM TRANSFORMER	SURFACE MOUNT				1			1500 V		350 uH							L12.7XB8.89XH6.22 (mm)	85 Cel	10/100 BASE-TX		-40 Cel	6.22 mm	8.89 mm			HEIGHT DIMENSION INCLUDES TERMINALS ALSO				12.7 mm	1CT:1CT; 1CT:1CT
749013022	Wurth Elektronik	DATACOM TRANSFORMER	SURFACE MOUNT	749013022	UL		1			1500 V	1.1 dB	350 uH	TAPE & REEL						L13.7XB15.24XH5.6 (mm)	70 Cel	LAN; 100 BASE-T		0 Cel	5.6 mm	15.24 mm			PHYSICAL DIMENSION INCLUDES HIGHT TERMINAL ALSO				13.7 mm	1:1; 1:1
7491192912	Wurth Elektronik	DATACOM TRANSFORMER	SURFACE MOUNT		AEC-Q200		1	2		1500 V		210 uH	TR, EMBOSSED PLASTIC, 13 INCH	.58 A			2	Other Transformers	L16.3XB12.0XH7.4 (mm)	125 Cel	ETHERNET	12 V	-40 Cel	7.4 mm	12 mm				36			16.3 mm	12:1.5:1:3.5		57
78615/16JC-R	Murata Manufacturing	PULSE TRANSFORMER	SURFACE MOUNT				1			1000 V		3700 uH	TAPE & REEL		28 V-us				L9.52XB9.0XH6.65 (mm)	85 Cel	GENERAL PURPOSE		-40 Cel	6.65 mm	9 mm			CENTER TAPPED SECONDARY				9.52 mm	1CT:1CT
TG110-RP55N5RL	Halo Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				1	2		1500 V	1.1 dB	350 uH					2	Other Transformers	L12.7XB7.11XH6.35 (mm)	70 Cel	10/100 BASE-TX; ETHERNET		0 Cel	6.35 mm	7.11 mm		.9 ohm	HEIGHT DIMENSION INCLUDES TERMINAL ALSO			100 KHz	12.7 mm	1CT: 1CT/1CT: 1CT	100000 KHz

Pulse transformers and datacom transformers are two types of transformers used in electronic circuits for signal isolation and transmission.

Pulse transformers are used to transmit short-duration electrical pulses between two circuits, while providing electrical isolation between them. They are commonly used in applications such as digital communication, pulse amplifiers, and switching power supplies. Pulse transformers are typically designed to handle high voltage and high-frequency signals, and have a low turns ratio. They are also designed to minimize signal distortion and provide high signal integrity.

Datacom transformers, also known as isolation transformers, are used to provide electrical isolation and impedance matching between two circuits in data communication applications, such as Ethernet and other networking protocols. They are used to eliminate ground loops, reduce electromagnetic interference (EMI), and provide surge protection. Datacom transformers are typically designed to handle low voltage and low-frequency signals, and have a high turns ratio. They are also designed to provide high common-mode rejection and low insertion loss.