UL Pulse & Datacom Transformers 15

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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	Minimum ET Product	No. of Winding (Secondary)	Sub-Category	Dimensions	Maximum Operating Temperature	Application	Minimum Operating Temperature	Height	Width	Nominal Input Voltage (V)	Load Resistance	Additional Features	JESD-609 Code	Minimum Operating Frequency	Length	Turns Ratio (Np:Ns)	Maximum Operating Frequency
749020023	Wurth Elektronik	DATACOM TRANSFORMER	SURFACE MOUNT		UL	TIN OVER NICKEL	4			1500 V	1 dB	350 uH	TAPE & REEL				L15.11XB7.1XH4.00 (mm)	85 Cel	LAN; 1000 BASE-T	-40 Cel	4 mm	7.1 mm			HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e3		15.11 mm	1:1; 1:1
7498011211	Wurth Elektronik	DATACOM TRANSFORMER	THROUGH HOLE MOUNTED		UL		1			1500 V		350 uH						85 Cel	10/100 BASE-T	-40 Cel	13.5 mm	15.9 mm						21.7 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
78602/16MC	Murata Manufacturing	PULSE TRANSFORMER	SURFACE MOUNT	786	UL	Matte Tin (Sn)	1			1000 V		4000 uH	TUBE	28 V-us			L9.52XB9.0XH6.35 (mm)	70 Cel	GENERAL PURPOSE	0 Cel	6.35 mm	9 mm				e3		9.52 mm	1:1:1
78604/4MC	Murata Manufacturing	PULSE TRANSFORMER	SURFACE MOUNT	786	UL	Matte Tin (Sn)	1			1000 V		100 uH	TUBE	4 V-us			L9.52XB9.0XH6.35 (mm)	70 Cel	GENERAL PURPOSE	0 Cel	6.35 mm	9 mm				e3		9.52 mm	2:1
78613/3MC	Murata Manufacturing	PULSE TRANSFORMER	SURFACE MOUNT	786	UL	Matte Tin (Sn)	1			1000 V		200 uH	TUBE	6 V-us			L9.52XB9.0XH6.35 (mm)	70 Cel	GENERAL PURPOSE	0 Cel	6.35 mm	9 mm				e3		9.52 mm	1CT:1
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
IT245	Schaffner Holding Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		UL		1	1	1200 ns	750 V		8000 uH		500 V-us	1	Other Transformers	L17.6XB16.7XH11.3 (mm)	70 Cel	GENERAL PURPOSE	-25 Cel	11.3 mm	16.7 mm	750	1.48 ohm			40 KHz	17.6 mm	1:1	500 KHz
IT364	Schaffner Holding Ag	PULSE TRANSFORMER	THROUGH HOLE MOUNTED		UL		1		1700 ns	3000 V		1500 uH		5000 V-us			L50.0XB50.0XH60.0 (mm)	70 Cel	GENERAL PURPOSE	-25 Cel	60 mm	50 mm						50 mm	1:1
H5200NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT		UL		8			1500 V		350 uH						70 Cel	GENERAL PURPOSE	0 Cel	11.18 mm	14.73 mm						17.27 mm	1:1
E2023NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT		UL	Matte Tin (Sn)	1	2		2000 V		200 uH	TUBE		22	Other Transformers	L12.7XB7.24XH5.08 (mm)	70 Cel	10 BASE-T	0 Cel	5.08 mm	7.24 mm		.6 ohm	HEIGHT DIM INCLUDES TERMINALS ALSO	e3		12.7 mm	1CT:2.5CT; 1CT:1CT
H5084NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT	H5084NL	UL	Tin (Sn)	4			1500 V	1.2 dB	350 uH	TUBE			Other Transformers	L15.11XB6.35XH4.01 (mm)	70 Cel	1000 BASE-T; ETHERNET	0 Cel	4.01 mm	6.35 mm			HEIGHT DIM INCLUDES TERMINAL ALSO	e3		15.11 mm	1:1
HX5020NLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT	HX5020NL	UL		4			1500 V	1.2 dB	350 uH	TAPE & REEL			Other Transformers	L27.94XB7.54XH8.33 (mm)	85 Cel	1000 BASE-T	-40 Cel	8.33 mm	7.54 mm	57		MEETS IEE 802.3			27.94 mm	1:1
HX5020NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT		UL		4			1500 V	1.2 dB	350 uH	TUBE			Other Transformers	L27.94XB7.54XH8.33 (mm)	85 Cel	1000 BASE-T	-40 Cel	8.33 mm	7.54 mm	57		MEETS IEE 802.3			27.94 mm	1:1
7490140123B	Wurth Elektronik	DATACOM TRANSFORMER	SURFACE MOUNT		UL		1			4500 V		350 uH	TR, 13 INCH					85 Cel	10/100 BASE-T	-40 Cel	8.4 mm	14.75 mm			HEGHT DIM INCLUDES TERMINAL ALSO			17.1 mm	1:1;1:1

Pulse & Datacom Transformers

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.