Pulse Transformers

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Transformer Type	Inductance	ET (Volt-Time)	Turns Ratio - Primary:Secondary	Mounting Type	Size / Dimension	Height - Seated (Max)	Operating Temperature	Grade	Qualification
T1137 TRANSFORMER TELECOM DUAL T1/E1 Pulse Electronics	3,512	-	RFQ	Datasheet	-	Bulk	Obsolete	T1/E1 (Dual)	1.2mH, 1.2mH	-	1CT:2.42CT, 1CT:2.42CT	Surface Mount	0.505" L x 0.280" W (12.83mm x 7.11mm)	0.245" (6.22mm)	0°C ~ 70°C	-	-
T1144 TRANSFORMER TELECOM DUAL T1/E1 Pulse Electronics	3,644	-	RFQ	Datasheet	-	Bulk	Obsolete	T1/E1 (Dual)	1mH, 1mH	-	1CT:1CT, 1CT:2.4CT	Surface Mount	0.505" L x 0.280" W (12.83mm x 7.11mm)	0.245" (6.22mm)	-	-	-
T1093 TRANSFORMER TELECOM DUAL T1/E1 Pulse Electronics	2,684	-	RFQ	Datasheet	-	Bulk	Obsolete	T1/E1 (Dual)	1.2mH, 1.2mH	-	1CT:1.15CT, 1CT:1.15CT	Surface Mount	0.505" L x 0.280" W (12.83mm x 7.11mm)	0.245" (6.22mm)	-40°C ~ 85°C	-	-
T1091 TRANSFORMER TELECOM DUAL T1/E1 Pulse Electronics	1,491	-	RFQ	Datasheet	-	Bulk	Obsolete	T1/E1 (Dual)	1.2mH	-	1CT:2CT, 1:1.36CT	Surface Mount	0.505" L x 0.280" W (12.83mm x 7.11mm)	0.245" (6.22mm)	-40°C ~ 85°C	-	-
T1090 TRANSFORMER TELECOM DUAL T1/E1 Pulse Electronics	2,403	-	RFQ	Datasheet	-	Bulk	Obsolete	T1/E1 (Dual)	1.2mH, 1.2mH	-	1CT:2CT, 1CT:2CT	Surface Mount	0.505" L x 0.280" W (12.83mm x 7.11mm)	0.245" (6.22mm)	-40°C ~ 85°C	-	-
TX1287 TRANSFORMER TELECOM DUAL T1/E1 Pulse Electronics	2,541	-	RFQ	Datasheet	-	Bulk	Active	T1/E1 (Dual)	1.2mH, 1.2mH	-	1CT:2.42CT, 1CT:2.42CT	Surface Mount	0.505" L x 0.280" W (12.83mm x 7.11mm)	0.245" (6.22mm)	-40°C ~ 85°C	-	-
PE-65967 TRANSFORMER TELECOM SINGLE T3/E3 Pulse Electronics	4,498	-	RFQ	Datasheet	-	Bulk	Obsolete	T3/E3 (Single)	40µH	-	1:1	Surface Mount	0.300" L x 0.275" W (7.62mm x 7.00mm)	0.245" (6.23mm)	0°C ~ 70°C	-	-
PE-65968 TRANSFORMER TELECOM SINGLE T3/E3 Pulse Electronics	1,865	-	RFQ	Datasheet	-	Bulk	Obsolete	T3/E3 (Single)	19µH	-	1:2CT	Surface Mount	0.300" L x 0.275" W (7.62mm x 7.00mm)	0.245" (6.23mm)	0°C ~ 70°C	-	-
T3001 TRANSFORMER TELECOM SINGLE T3/E3 Pulse Electronics	2,832	-	RFQ	Datasheet	-	Bulk	Obsolete	T3/E3 (Single)	100µH	-	1:1	Surface Mount	0.300" L x 0.275" W (7.62mm x 7.00mm)	0.250" (6.35mm)	-40°C ~ 85°C	-	-
T3002 TRANSFORMER TELECOM SINGLE T3/E3 Pulse Electronics	3,567	-	RFQ	Datasheet	-	Bulk	Obsolete	T3/E3 (Single)	40µH	-	1:2CT	Surface Mount	0.300" L x 0.275" W (7.62mm x 7.00mm)	0.250" (6.35mm)	-40°C ~ 85°C	-	-
H5004 MODULE SINGLE GIGABIT LAN 24SOIC Pulse Electronics	4,339	-	RFQ	Datasheet	-	Tray	Obsolete	LAN 1000 Base-T	-	-	1CT:1CT	Surface Mount	0.690" L x 0.480" W (17.53mm x 12.20mm)	0.235" (5.97mm)	0°C ~ 70°C	-	-
H5007 MODULE SINGLE GIGABIT LAN 24SOIC Pulse Electronics	1,995	-	RFQ	Datasheet	-	Tube	Obsolete	Isolation and Data Interface (Encapsulated)	-	-	1CT:1CT	Surface Mount	0.690" L x 0.480" W (17.53mm x 12.20mm)	0.227" (5.76mm)	0°C ~ 70°C	-	-
HX5020 MODULE DL GIGABIT ETHER LAN 48P Pulse Electronics	3,959	-	RFQ	Datasheet	-	Bulk	Obsolete	LAN 1000 Base-T	-	-	1CT:1CT	Surface Mount	1.100" L x 0.297" W (27.94mm x 7.54mm)	0.341" (8.66mm)	-40°C ~ 85°C	-	-
H0009 MODULE PC CARD SNGL LAN 16PCMCIA Pulse Electronics	4,808	-	RFQ	Datasheet	-	Tube	Obsolete	LAN	-	-	1CT:1CT	Surface Mount	0.560" L x 0.560" W (14.22mm x 14.22mm)	0.082" (2.08mm)	0°C ~ 70°C	-	-
H1012 MODULE TRANSFMR SNGL LAN 16P SMD Pulse Electronics	3,166	-	RFQ	Datasheet	-	Bulk	Obsolete	LAN	-	-	1CT:1CT	Surface Mount	1.000" L x 0.390" W (25.40mm x 9.91mm)	0.245" (6.22mm)	0°C ~ 70°C	-	-
H1102 MODULE XFRMR SGL ETHR LAN 16SOIC Pulse Electronics	4,405	-	RFQ	Datasheet	-	Bulk	Obsolete	LAN	-	-	1CT:1CT	Surface Mount	0.500" L x 0.280" W (12.70mm x 7.11mm)	0.245" (6.22mm)	0°C ~ 70°C	-	-
H1112 MODULE TRANSFMR SNGL LAN 12P SMD Pulse Electronics	3,527	-	RFQ	Datasheet	-	Bulk	Obsolete	Isolation and Data Interface (Encapsulated)	-	-	1CT:1CT	Surface Mount	0.583" L x 0.460" W (14.81mm x 11.68mm)	0.202" (5.13mm)	0°C ~ 70°C	-	-
HX1148 MODULE TRANSFMR SNGL LAN 16P SMD Pulse Electronics	3,419	-	RFQ	Datasheet	-	Tube	Active	Isolation and Data Interface (Encapsulated)	-	-	1CT:1 Transmitter, 1CT:1CT Receiver	Surface Mount	1.000" L x 0.390" W (25.40mm x 9.91mm)	0.245" (6.22mm)	-40°C ~ 85°C	-	-
HX1188 MODULE XFRMR SGL ETHR LAN 16SOIC Pulse Electronics	1,517	-	RFQ	Datasheet	-	Bulk	Active	Isolation and Data Interface (Encapsulated)	-	-	1:1 Transmitter, 1:1 Receiver	Surface Mount	0.500" L x 0.280" W (12.70mm x 7.11mm)	0.245" (6.22mm)	-40°C ~ 85°C	-	-
H1036L MODULE XFRMR QUAD ETHR LAN40SOIC Pulse Electronics	4,329	-	RFQ	Datasheet	-	Tray	Obsolete	LAN	-	-	1CT:1CT	Surface Mount	1.125" L x 0.485" W (28.58mm x 12.32mm)	0.230" (5.84mm)	0°C ~ 70°C	-	-

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Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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