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
HX1224NLT PULSE XFMR 1CT:1CT TX 1CT:1CT RX Pulse Electronics	1,624	-	RFQ	Datasheet	-	Tape & Reel (TR)	Obsolete	LAN 10/100/1000 Base-T	350µH	-	1CT:1CT Transmitter, 1CT:1CT Receiver	Surface Mount	0.537" L x 0.570" W (13.64mm x 14.48mm)	0.245" (6.22mm)	-40°C ~ 85°C	-	-
TLA-6M103LF INTEGRATED FILTER MODULE 16SOP TDK Corporation	1,713	-	RFQ	Datasheet	TLA	Tray	Active	LAN	-	-	-	Surface Mount	1.012" L x 0.374" W (25.70mm x 9.50mm)	0.234" (5.95mm)	0°C ~ 70°C	-	-
TG05-1205NXLF ISO MOD T1 8CH 1:2 40P SMD HALO Electronics, Inc.	2,691	-	RFQ	Datasheet	-	Tube	Active	T1/E1 (Quad)	1.2mH	-	1:2 Transmitter, 1:2 Receiver	Surface Mount	1.100" L x 0.480" W (27.94mm x 12.19mm)	0.230" (5.84mm)	0°C ~ 70°C	-	-
TG111-HPE3NZRL ISO MOD 1G POE 0.6A X-TEMP 24P S HALO Electronics, Inc.	3,319	-	RFQ	Datasheet	-	Tube	Not For New Designs	LAN 10/100 Base-T, Power over Ethernet (PoE)	-	-	-	Surface Mount	0.700" L x 0.480" W (17.78mm x 12.19mm)	0.230" (5.84mm)	-40°C ~ 85°C	-	-
TG111-HPE1NYNRLTR ISO MOD 1G POE 0.6A X-TEMP 24P S HALO Electronics, Inc.	3,521	-	RFQ	Datasheet	-	Tape & Reel (TR)	Not For New Designs	-	-	-	-	-	-	-	-	-	-
ALAN-2301-T PULSE XFMR 1CT:1CT 350UH Abracon LLC	2,650	-	RFQ	Datasheet	ALAN-2301	Tape & Reel (TR)	Active	LAN 10/100/1000 Base-T	350µH	-	1CT:1CT	Surface Mount	0.689" L x 0.559" W (17.50mm x 14.20mm)	0.219" (5.55mm)	-40°C ~ 85°C	-	-
ALAN-2302-T PULSE XFMR 1CT:1CT 350UH Abracon LLC	1,686	-	RFQ	Datasheet	ALAN-2302	Tape & Reel (TR)	Active	LAN 10/100/1000 Base-T	350µH	-	1CT:1CT	Surface Mount	0.689" L x 0.559" W (17.50mm x 14.20mm)	0.219" (5.55mm)	-40°C ~ 85°C	-	-
ALANS10002-6NA1ET DUAL 10/100/1000BASE-T LAN XFMR Abracon LLC	3,481	-	RFQ	Datasheet	ALANS10002	Tape & Reel (TR)	Active	LAN 10/100/1000 Base-T	350µH	-	1CT:1CT Transmitter, 1CT:1CT Receiver	Surface Mount	1.095" L x 0.480" W (27.81mm x 12.19mm)	0.285" (7.24mm)	0°C ~ 70°C	-	-
TG44-1406NXRL ISO MOD 10BASE-T QUAD 1C:1.41 40 HALO Electronics, Inc.	3,349	-	RFQ	Datasheet	-	Tube	Not For New Designs	LAN 10 Base-T	140µH	-	1CT:1.41 Transmitter, 1:1 Receiver	Surface Mount	1.100" L x 0.480" W (27.94mm x 12.19mm)	0.230" (5.84mm)	-	-	-
TG44-S010NXRL ISO MOD 10BASE-T QUAD 1C:1.41 40 HALO Electronics, Inc.	1,304	-	RFQ	Datasheet	-	Tube	Not For New Designs	LAN 10 Base-T	140µH	-	1CT:1.41 Transmitter, 1:1 Receiver	Surface Mount	1.100" L x 0.480" W (27.94mm x 12.19mm)	0.230" (5.84mm)	-	-	-
TG44-S020NXRL ISO MOD 10BASE-T QUAD 1C:1.41 40 HALO Electronics, Inc.	3,470	-	RFQ	Datasheet	-	Tube	Not For New Designs	LAN 10 Base-T	140µH	-	1CT:1.41 Transmitter, 1:1 Receiver	Surface Mount	1.100" L x 0.480" W (27.94mm x 12.19mm)	0.230" (5.84mm)	-	-	-
TG87-2006NXRL ISO MOD 10BASE-T QUAD 1C:2 40P S HALO Electronics, Inc.	4,438	-	RFQ	Datasheet	-	Tube	Not For New Designs	LAN 10 Base-T	50µH, 200µH	-	1CT:2 Transmitter, 1:1 Receiver	Surface Mount	1.100" L x 0.480" W (27.94mm x 12.19mm)	0.230" (5.84mm)	-	-	-
TG87-S010NXRL ISO MOD 10BASE-T QUAD 1C:2/1:1 4 HALO Electronics, Inc.	2,782	-	RFQ	Datasheet	-	Tube	Not For New Designs	LAN 10 Base-T	50µH, 200µH	-	1CT:2 Transmitter, 1:1 Receiver	Surface Mount	1.100" L x 0.480" W (27.94mm x 12.19mm)	0.230" (5.84mm)	-	-	-
TG87-S020NXRL ISO MOD 10BASE-T QUAD 1C:2/1:1 4 HALO Electronics, Inc.	3,598	-	RFQ	Datasheet	-	Tube	Not For New Designs	LAN 10 Base-T	50µH, 200µH	-	1CT:2 Transmitter, 1:1 Receiver	Surface Mount	1.100" L x 0.480" W (27.94mm x 12.19mm)	0.230" (5.84mm)	-	-	-
S558-5500-56 TRANSFORMER PULSE Bel Fuse Inc.	4,644	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	LAN 1000 Base-T	350µH	-	1CT:1CT Transmitter, 1CT:1CT Receiver	Surface Mount	1.095" L x 0.480" W (27.81mm x 12.19mm)	0.285" (7.24mm)	-	-	-
TG37-1505NURLTR ISO MOD T1 8CH 1:1.14 X-TEMP 32P HALO Electronics, Inc.	3,426	-	RFQ	Datasheet	-	Tape & Reel (TR)	Not For New Designs	T1/E1 (Quad)	1.5mH	-	1:1.14	Surface Mount	1.000" L x 0.300" W (25.40mm x 7.62mm)	0.290" (7.37mm)	-40°C ~ 85°C	-	-
TG39-1505NURLTR ISO MOD T1 8CH 1:1.15 X-TEMP 32P HALO Electronics, Inc.	2,196	-	RFQ	Datasheet	-	Tape & Reel (TR)	Not For New Designs	T1/E1 (Quad)	1.5mH	-	1:1.14	Surface Mount	1.000" L x 0.300" W (25.40mm x 7.62mm)	0.290" (7.37mm)	-40°C ~ 85°C	-	-
TG37-S001NURLTR ISO MOD T1 8CH 1:1.14 X-TEMP 32P HALO Electronics, Inc.	3,706	-	RFQ	Datasheet	-	Tape & Reel (TR)	Not For New Designs	T1/E1 (Quad)	1.5mH	-	1:1.14	Surface Mount	1.000" L x 0.300" W (25.40mm x 7.62mm)	0.290" (7.37mm)	-40°C ~ 85°C	-	-
TG91-1505NURLTR ISO MOD T1 8CH 1:2.4/1:1 X-TEMP HALO Electronics, Inc.	2,941	-	RFQ	Datasheet	-	Tape & Reel (TR)	Not For New Designs	T1/E1 (Quad)	1.5mH	-	1:2.4, 1:1	Surface Mount	1.000" L x 0.300" W (25.40mm x 7.62mm)	0.290" (7.37mm)	-40°C ~ 85°C	-	-
S558-5999-Z3-F PULSE XFMR 1CT:1CT TX 1:1 RX Bel Fuse Inc.	2,587	-	RFQ	Datasheet	-	Bulk	Active	LAN 10/100 Base-T	350µH	-	1CT:1CT Transmitter, 1:1 Receiver	Surface Mount	1.100" L x 0.480" W (27.94mm x 12.19mm)	0.212" (5.38mm)	-40°C ~ 85°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. 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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