Transistors

Express Technology Group is a leading stocking distributor of Obsolete, Hard to Find, and Active Transistors. Our total commitment to quality and exceeding customer expectations has made us a true leader in the electronic distribution industry. Below is a catalog of Transistors. To locate the exact part you are looking for, please use our part search utility or, give us call at (631) 869-2035. You can also email us sales@express-technology.com and a sales associate will be more than happy to assist you.

Image	Part #	Sheet	Description	Manufacturer	Quantity	Price
	T1094NLT		XFRMR 1CT:1CT/1CT:2CT 1.2/1.2MH Transformer Type: T1/E1 (Dual) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1CT : 1CT, 1CT : 2CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 7.11mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	TX1089NLT		XFRMR 1CT:1CT/1CT:1CT 1.2/1.2MH Transformer Type: T1/E1 (Dual) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1CT : 1CT, 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 7.11mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	TX1089NLT		XFRMR 1CT:1CT/1CT:1CT 1.2/1.2MH Transformer Type: T1/E1 (Dual) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1CT : 1CT, 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 7.11mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	TX1089NLT		XFRMR 1CT:1CT/1CT:1CT 1.2/1.2MH Transformer Type: T1/E1 (Dual) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1CT : 1CT, 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 7.11mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-65728NL		TRANSFMR AUI ETHERNET LAN 16SOIC Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1 : 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.70mm L x 7.24mm W Height - Seated (Max): 5.33mm	Pulse Electronics Corporation	Stock Check	Request Quote
	PT61020EL		TRANSFORMER LAN Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Bourns Inc.	Stock Check	Request Quote
	PT61020EL		TRANSFORMER LAN Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Bourns Inc.	Stock Check	Request Quote
	PT61020EL		TRANSFORMER LAN Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Bourns Inc.	Stock Check	Request Quote
	PE-68515LNLT		XFRMR MODULE 1PORT 1:1 10/100B-T Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 8.90mm W Height - Seated (Max): 9.40mm	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-68515LNLT		XFRMR MODULE 1PORT 1:1 10/100B-T Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 8.90mm W Height - Seated (Max): 9.40mm	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-68515LNLT		XFRMR MODULE 1PORT 1:1 10/100B-T Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 8.90mm W Height - Seated (Max): 9.40mm	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-65745NL		XFRMR LAN ISOL 1CT:1.414CT 10B-T Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: 140µH Turns Ratio - Primary:Secondary: 1CT : 1.414CT Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.70mm L x 7.24mm W Height - Seated (Max): 5.33mm	Pulse Electronics Corporation	Stock Check	Request Quote
	S558-5999-T3-F		XFRMR MODULE LAN GIGABIT 24P SMD Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 13.26mm L x 15.24mm W Height - Seated (Max): 6.35mm	Bel Fuse Inc	Stock Check	Request Quote
	S558-5999-T3-F		XFRMR MODULE LAN GIGABIT 24P SMD Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 13.26mm L x 15.24mm W Height - Seated (Max): 6.35mm	Bel Fuse Inc	Stock Check	Request Quote
	S558-5999-T3-F		XFRMR MODULE LAN GIGABIT 24P SMD Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 13.26mm L x 15.24mm W Height - Seated (Max): 6.35mm	Bel Fuse Inc	Stock Check	Request Quote
	S558-5999-AC-F		MODULE XFRMR LAN GIGABIT 24P SMD Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1CT Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 13.26mm L x 15.24mm W Height - Seated (Max): 6.35mm	Bel Fuse Inc	Stock Check	Request Quote
	S558-5999-AC-F		MODULE XFRMR LAN GIGABIT 24P SMD Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1CT Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 13.26mm L x 15.24mm W Height - Seated (Max): 6.35mm	Bel Fuse Inc	Stock Check	Request Quote
	749020100		TRANSFORMER LAN 10/100/1000 SMD Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 6.70mm W Height - Seated (Max): 2.16mm	Wurth Electronics Inc	Stock Check	Request Quote
	749020100		TRANSFORMER LAN 10/100/1000 SMD Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 6.70mm W Height - Seated (Max): 2.16mm	Wurth Electronics Inc	Stock Check	Request Quote
	749020100		TRANSFORMER LAN 10/100/1000 SMD Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 6.70mm W Height - Seated (Max): 2.16mm	Wurth Electronics Inc	Stock Check	Request Quote
	1001C		TRANSFORMER PULSE 1:1 200VUS Series: 1000 Transformer Type: - Inductance: 3mH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: 200V µS Mounting Type: Through Hole Size / Dimension: 15.06mm L x 15.06mm W Height - Seated (Max): 15.75mm	Murata Power Solutions Inc	Stock Check	Request Quote
	HX1148NLT		XFRMR MODULE 1PORT 1:1 10/100 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1 Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 9.91mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	HX1148NLT		XFRMR MODULE 1PORT 1:1 10/100 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1 Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 9.91mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	HX1148NLT		XFRMR MODULE 1PORT 1:1 10/100 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1 Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 9.91mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	T1094NL		TRANSFORMER TELECOM DUAL T1/E2 Transformer Type: T1/E1 (Dual) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1CT : 1CT, 1CT : 2CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 7.11mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	T1144NL		TRANSFORMER TELECOM DUAL T1/E2 Transformer Type: T1/E1 (Dual) Inductance: 1mH, 1mH Turns Ratio - Primary:Secondary: 1CT : 1CT, 1CT : 2.4CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.70mm L x 7.11mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	T1137NL		TRANSFORMER TELECOM DUAL T1/E2 Transformer Type: T1/E1 (Dual) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1CT : 2.42CT, 1CT : 2.42CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 7.11mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	76250ENC		XFRMR MAX250 EN60950 APPROVED Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: 2mH Turns Ratio - Primary:Secondary: 1CT : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 15.00mm L x 15.00mm W Height - Seated (Max): 12.50mm	Murata Power Solutions Inc	Stock Check	Request Quote
	76253/35ENC		XFRMR 3.3V IN/5V OUT MAX253 EN Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: 200µH Turns Ratio - Primary:Secondary: 1 : 2.24 E.T.: - Mounting Type: Through Hole Size / Dimension: 15.00mm L x 15.00mm W Height - Seated (Max): 12.50mm	Murata Power Solutions Inc	Stock Check	Request Quote
	PE-65351NL		XFRMR T1/CEPT/ISDN-PRI 1:2CT T/H Transformer Type: T1/E1 (Single) Inductance: 1.2mH Turns Ratio - Primary:Secondary: 1 : 2CT E.T.: - Mounting Type: Through Hole Size / Dimension: 12.70mm L x 8.89mm W Height - Seated (Max): 6.35mm	Pulse Electronics Corporation	Stock Check	Request Quote
	750031353		TRANSFORMER SI3210 SI3211SMD Transformer Type: - Inductance: 11.3µH Turns Ratio - Primary:Secondary: 5 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.75mm L x 13.46mm W Height - Seated (Max): 12.70mm	Wurth Electronics Midcom	Stock Check	Request Quote
	750031353		TRANSFORMER SI3210 SI3211SMD Transformer Type: - Inductance: 11.3µH Turns Ratio - Primary:Secondary: 5 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.75mm L x 13.46mm W Height - Seated (Max): 12.70mm	Wurth Electronics Midcom	Stock Check	Request Quote
	750031353		TRANSFORMER SI3210 SI3211SMD Transformer Type: - Inductance: 11.3µH Turns Ratio - Primary:Secondary: 5 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.75mm L x 13.46mm W Height - Seated (Max): 12.70mm	Wurth Electronics Midcom	Stock Check	Request Quote
	1002C		TRANSFORMER PULSE 1:1:1 200VUS Series: 1000 Transformer Type: - Inductance: 3mH Turns Ratio - Primary:Secondary: 1 : 1 : 1 E.T.: 200V µS Mounting Type: Through Hole Size / Dimension: 15.06mm L x 15.06mm W Height - Seated (Max): 15.75mm	Murata Power Solutions Inc	Stock Check	Request Quote
	H1102FNL		MODULE XFRMR SGL ETHR LAN 16SOIC Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-68515LNL		XFRMR MODULE 1PORT 1:1 10/100B-T Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 8.89mm W Height - Seated (Max): 9.40mm	Pulse Electronics Corporation	Stock Check	Request Quote
	H1086NL		XFRMR MODULE 1PORT 1:1 10/100 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 9.91mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-65967NL		TRANSFORMER TELECOM SINGLE T3/E4 Transformer Type: T3/E3 (Single) Inductance: 40µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 7.62mm L x 7.00mm W Height - Seated (Max): 6.35mm	Pulse Electronics Corporation	Stock Check	Request Quote
	IT255		XFRMR PULSE 1:1 SGL 2.2MH .25A Series: IT Transformer Type: Data/Voice Coupling Inductance: 2.2mH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 17.60mm L x 16.70mm W Height - Seated (Max): 11.30mm	Schaffner EMC Inc	Stock Check	Request Quote
	IT245		XFRMR PULSE 1:1 SGL 8MH .1A Series: IT Transformer Type: Data/Voice Coupling Inductance: 8mH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 17.60mm L x 16.70mm W Height - Seated (Max): 11.30mm	Schaffner EMC Inc	Stock Check	Request Quote
	S22160		TRANSFORMER FOR CS 8401,2:8411 Transformer Type: - Inductance: 225µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 16.51mm L x 9.78mm W Height - Seated (Max): 6.35mm	Newava Technology Inc	Stock Check	Request Quote
	IT244		XFRMR PULSE 3:1:1 DL 15MH .1A Series: IT Transformer Type: Data/Voice Coupling Inductance: 15mH Turns Ratio - Primary:Secondary: 3 : 1 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 17.60mm L x 16.70mm W Height - Seated (Max): 11.30mm	Schaffner EMC Inc	Stock Check	Request Quote
	IT253		XFRMR PULSE 1:1:1 DL 1.1MH .25A Series: IT Transformer Type: Data/Voice Coupling Inductance: 1.1mH Turns Ratio - Primary:Secondary: 1 : 1 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 17.60mm L x 16.70mm W Height - Seated (Max): 11.30mm	Schaffner EMC Inc	Stock Check	Request Quote
	IT242		XFRMR PULSE 1:1:1 DL 2.5MH .1A Series: IT Transformer Type: Data/Voice Coupling Inductance: 2.5mH Turns Ratio - Primary:Secondary: 1 : 1 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 17.60mm L x 16.70mm W Height - Seated (Max): 11.30mm	Schaffner EMC Inc	Stock Check	Request Quote
	H2019FNL		MODULE XFRMR VOIP SGL LAN 16SOIC Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	H1081NL		XFRMR MODUL 1PORT 1:1.141 10/100 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1 : 1.141 Transmitter, 1 : 1 Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 10.03mm W Height - Seated (Max): 6.09mm	Pulse Electronics Corporation	Stock Check	Request Quote
	S22083		TRANSFORMER ISOLATION DIG/AUDIO Transformer Type: - Inductance: 225µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 12.70mm L x 8.89mm W Height - Seated (Max): 6.35mm	Newava Technology Inc	Stock Check	Request Quote
	IT248		XFRMR PULSE 2:1 SGL 17MH .25A Series: IT Transformer Type: Data/Voice Coupling Inductance: 17mH Turns Ratio - Primary:Secondary: 2 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 17.60mm L x 16.70mm W Height - Seated (Max): 11.30mm	Schaffner EMC Inc	Stock Check	Request Quote
	HX1178NL		XFRMR MODULE 1PORT 1:1 10/100 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 9.91mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote
	HX1148NL		MODULE TRANSFMR SNGL LAN 16P SMD Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1 Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 25.40mm L x 9.91mm W Height - Seated (Max): 6.22mm	Pulse Electronics Corporation	Stock Check	Request Quote