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	Minimum ET Product	No. of Winding (Secondary)	Sub-Category	Dimensions	Maximum Operating Temperature	Application	Minimum Operating Temperature	Height	Width	Nominal Input Voltage (V)	Additional Features	JESD-609 Code	Minimum Operating Frequency	Length	Turns Ratio (Np:Ns)	Maximum Operating Frequency
ISRF-0239-D502	Schurter Ag	PULSE TRANSFORMER	SURFACE MOUNT			TIN	1		500 ns	3200 V		1600 uH	BULK	350 V-us			L22.7XB22.3XH14.0 (mm)	100 Cel	GENERAL PURPOSE	-25 Cel	14 mm	22.3 mm		HEIGHT DIMENSION INCLUDES TERMINAL ALSO	e3		22.7 mm	1:1:1
ISRF-0249-D101	Schurter Ag	PULSE TRANSFORMER	SURFACE MOUNT			TIN	1		50 ns	3200 V		1200 uH	BULK	250 V-us			L18.2XB17.8XH13.5 (mm)	100 Cel	GENERAL PURPOSE	-25 Cel	13.5 mm	17.8 mm		HEIGHT DIMENSION INCLUDES TERMINAL ALSO	e3		18.2 mm	1:1:1
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
H5120NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V			TUBE				L16.51XB9.27XH2.08 (mm)	70 Cel	10/100/1000 BASE-T; ETHERNET	0 Cel	2.08 mm	9.27 mm		HEIGHT DIMENSION INCLUDE TERMINALS ALSO			16.51 mm	1CT:1CT
H1086NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT			Matte Tin (Sn)	1			1500 V	1 dB		TUBE		111	Other Transformers	L25.4XB12.83XH5.97 (mm)	70 Cel	10/100 BASE-T	0 Cel	5.97 mm	12.83 mm		BREADTH DIM INCLUDES TERMINAL ALSO	e3	100 KHz	25.4 mm	1CT:1CT	100000 KHz
749010013	Wurth Elektronik	DATACOM TRANSFORMER	SURFACE MOUNT		UL; CSA	TIN COPPER	1	2		1500 V	1.1 dB	350 uH	TAPE & REEL		22		L12.95XBW7.11XH5.23 (mm)	85 Cel	GENERAL PURPOSE	-40 Cel	5.23 mm	7.11 mm			e2	500 KHz	12.95 mm	1:1; 1:1	100000 KHz
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
HM5149NLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT		AEC-Q200		4			1500 V		360 uH	TR					125 Cel	GENERAL PURPOSE	-40 Cel	3.2 mm	9.906 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO			17.78 mm	1CT:1CT
HX1224CNLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				1			4000 V		350 uH	TR					85 Cel	GENERAL PURPOSE	-40 Cel	6.22 mm	13.64 mm		HEIGHT DIAMENSION INCLUDE TERMINALS ALSO			14.48 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
ALANS10001-4J41DT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT				4			2500 V		350 uH	TR, 13 INCH					85 Cel	10/100/1000 BASE-T	-40 Cel	6.7 mm	13.7 mm		HEIGHT DIM INCLUDE TERMINAL ALSO			15.3 mm	1CT:1CT
ALANS100X1-1E10LT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		2			2500 V		350 uH	TR, 13 INCH					125 Cel	LAN; 10/100 BASE-TX; ETHERNET	-55 Cel	5 mm	11.7 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			14.8 mm	1CT:1CT; 1CT:1CT
ALANC10001-CDB3DT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT				1			1500 V		200 uH	TR, 13 INCH					85 Cel	10/100/1000 BASE-T; ETHERNET; LAN	-40 Cel	3.5 mm	3.2 mm					4.5 mm	1CT:1CT
ALANS10001-3J11ET	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT				4			2500 V		350 uH	TR, 13 INCH					70 Cel	10/100/1000 BASE-T	0 Cel	6.8 mm	12.2 mm		HEIGHT DIM INCLUDE TERMINAL ALSO			18.1 mm	1CT:1CT
ALANS10001-3J41ET	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT				4			2500 V		350 uH	TR, 13 INCH					70 Cel	10/100/1000 BASE-T	0 Cel	6.8 mm	12.2 mm		HEIGHT DIM INCLUDE TERMINAL ALSO			18.1 mm	1CT:1CT
ALANS100X1-1E10JT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		2			2500 V		350 uH	TR, 13 INCH					105 Cel	LAN; 10/100 BASE-TX; ETHERNET	-40 Cel	5 mm	11.7 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			14.8 mm	1CT:1CT; 1CT:1CT
ALANS100X1-1E30JT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		1			2500 V		350 uH	TR, 13 INCH					105 Cel	LAN; 10/100 BASE-TX; ETHERNET	-40 Cel	5 mm	11.7 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			14.8 mm	1CT:1CT; 1CT:1CT
ALANS100X1-2F30DT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		1			2500 V		350 uH	TR, 13 INCH					85 Cel	LAN; 10/100 BASE-TX; ETHERNET	-40 Cel	5.6 mm	6.9 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			12.8 mm	1CT:1CT; 1CT:1CT
ALANS100X1-2F30KT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		1			2500 V		350 uH	TR, 13 INCH					125 Cel	LAN; 10/100 BASE-TX; ETHERNET	-40 Cel	5.6 mm	6.9 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			12.8 mm	1CT:1CT; 1CT:1CT
ALANS100X1-2F82DT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		2			2500 V		350 uH	TR, 13 INCH					85 Cel	LAN; 10/100 BASE-TX; ETHERNET	-40 Cel	5.6 mm	6.9 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			12.8 mm	1CT:1CT; 1CT:1CT
ALANS100X1-2F82ET	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		2			2500 V		350 uH	TR, 13 INCH					70 Cel	LAN; 10/100 BASE-TX; ETHERNET	0 Cel	5.6 mm	6.9 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			12.8 mm	1CT:1CT; 1CT:1CT
ALANS100X1-2F82JT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		2			2500 V		350 uH	TR, 13 INCH					105 Cel	LAN; 10/100 BASE-TX; ETHERNET	-40 Cel	5.6 mm	6.9 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			12.8 mm	1CT:1CT; 1CT:1CT
ALANS100X1-2F82KT	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT		IEEE		2			2500 V		350 uH	TR, 13 INCH					125 Cel	LAN; 10/100 BASE-TX; ETHERNET	-40 Cel	5.6 mm	6.9 mm		DIMENSION HEIGHT IS INCLUDE TERMINAL ALSO			12.8 mm	1CT:1CT; 1CT:1CT
HM6098NLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V		120 uH	TR					105 Cel	GENERAL PURPOSE	-40 Cel	6.6 mm	12.2 mm	57	HEIGHT DIAMENSION INCLUDE TERMINALS ALSO			18.16 mm	1:1
HCTSM80101AALE1	Bourns	PULSE TRANSFORMER	SURFACE MOUNT		AEC-Q200, CUL, IEC, UL		1			5000 V		250 uH	TR, 13 INCH	11 V-us				125 Cel		-40 Cel	6.5 mm	10.8 mm					12.3 mm	1:1
HCTSM80101AALE	Bourns	PULSE TRANSFORMER	SURFACE MOUNT		AEC-Q200, CUL, IEC, UL		1			5000 V		250 uH	TR, 13 INCH	11 V-us				125 Cel		-40 Cel	6.5 mm	10.8 mm					12.3 mm	1:1
HCTSM80305BALE1	Bourns	PULSE TRANSFORMER	SURFACE MOUNT		AEC-Q200, IEC		1			5000 V		300 uH	TR, 13 INCH	11 V-us				125 Cel		-40 Cel	6.5 mm	10.8 mm					12.3 mm	3:5
HCTSM80403AALE1	Bourns	PULSE TRANSFORMER	SURFACE MOUNT		AEC-Q200, CUL, IEC, UL		1			5000 V		250 uH	TR, 13 INCH	11 V-us				125 Cel		-40 Cel	6.5 mm	10.8 mm					12.3 mm	4:3
HCTSM80910BALE1	Bourns	PULSE TRANSFORMER	SURFACE MOUNT		AEC-Q200, IEC		1			5000 V		300 uH	TR, 13 INCH	11 V-us				125 Cel		-40 Cel	6.5 mm	10.8 mm					12.3 mm	9:10
SM51108PEL	Bourns	DATACOM TRANSFORMER	SURFACE MOUNT			Tin (Sn)	1			1500 V		350 uH	TR				L12.8XB6.9XH5.65 (mm)	85 Cel	10/100 BASE-TX; ETHERNET; LAN	-40 Cel	5.65 mm	6.9 mm		HEIGHT DIMENSION INCLUDES TERMINAL ALSO	e3		12.8 mm	1CT:1CT
HX5084FNLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V		350 uH	TAPE & REEL				L15.24XB6.41XH4.14 (mm)	85 Cel	GENERAL PURPOSE	-40 Cel	4.14 mm	6.41 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO			15.24 mm	1:1
DCT20EFD-U32S003	TDK	DATACOM TRANSFORMER	SURFACE MOUNT				1			1000 V		10 uH					L22.0XB22.0XH12.0 (mm)		GENERAL PURPOSE		12 mm	22 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO			22 mm	1:10
ALAN-2301	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V		350 uH	TR, 13 INCH					85 Cel	100/1000 BASE-T	-40 Cel	5.2 mm	14.2 mm					17.5 mm	1CT:1CT
ALAN-2302	Abracon	DATACOM TRANSFORMER	SURFACE MOUNT				4			1650 V		350 uH	TR, 13 INCH					85 Cel	100/1000 BASE-T	-40 Cel	5.2 mm	14.2 mm					17.5 mm	1CT:1CT
HX5004ENLT	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V		350 uH	TR					85 Cel	ETHERNET	-40 Cel	5.72 mm	16 mm					17.5 mm	1:1
TS21CHF	Bothhand Usa	DATACOM TRANSFORMER	SURFACE MOUNT	TS			1			1500 V		350 uH	BULK; REEL				L12.8XB6.9XH5.65 (mm)	70 Cel	10/100 BASE	0 Cel	5.65 mm	6.9 mm					12.8 mm	1CT:1CT; 1CT:1CT
HX1224CNL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				1			4000 V		350 uH						85 Cel	GENERAL PURPOSE	-40 Cel	6.22 mm	13.64 mm		HEIGHT DIAMENSION INCLUDE TERMINALS ALSO			14.48 mm	1:1
7490220122	Wurth Elektronik	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V		350 uH	TR, 13 INCH					105 Cel	1000 BASE-T	-40 Cel	8.8 mm	14.7 mm		HEIGHT DIAMENSION INCLUDE TERMINALS ALSO			18.29 mm	1CT:1CT
SM13072APEL	Bourns	DATACOM TRANSFORMER	SURFACE MOUNT		AEC-Q200	TIN OVER NICKEL	1			1500 V		350 uH	TR, 13 INCH				L12.8XB6.9XH5.65 (mm)	125 Cel	10/100 BASE-T; ETHERNET; LAN	-40 Cel	5.65 mm	6.9 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e3		12.8 mm	1:1; 1:1
HM2103NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT		AEC-Q200		1			4300 V		150 uH						125 Cel	GENERAL PURPOSE	-40 Cel	5.72 mm	6.73 mm	1000	HEIGHT DIAMENSION INCLUDE TERMINALS ALSO			7.62 mm	1
GST5009BLF	Bothhand Usa	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V		350 uH					L15.1XB7.10XH4.0 (mm)	70 Cel	1000 BASE-T; ETHERNET	0 Cel	4 mm	7.1 mm		HEIGHT DIMENSION INCLUDING TERMINALS			15.1 mm	1CT:1CT; 1CT:1CT
HDX8008NL	Pulse Electronics	DATACOM TRANSFORMER	SURFACE MOUNT				4			1500 V		120 uH						85 Cel	GENERAL PURPOSE	-40 Cel	5.72 mm	12.2 mm	57	HEIGHT DIAMENSION INCLUDE TERMINALS ALSO			13.72 mm	1:1

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.