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
	PE-65415NL		XFRMR T1/CEPT/ISDN-PRI 1CT:2CT Transformer Type: T1/E1 (Single) Inductance: 1.2mH Turns Ratio - Primary:Secondary: 1CT : 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
	PE-64934NL		XFRMR T1/CEPT/ISDN-PRI 1:1 Transformer Type: T1/E1 (Single) Inductance: 1.2mH Turns Ratio - Primary:Secondary: 1CT : 1 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
	PE-64936NL		XFRMR T1/CEPT/ISDN-PRI 1CT:1 Transformer Type: T1/E1 (Single) Inductance: 1.2mH Turns Ratio - Primary:Secondary: 1CT : 1 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
	H1267NL		MODULE XFRMR SGL ETHR LAN24P SMD Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.53mm L x 12.20mm W Height - Seated (Max): 5.76mm	Pulse Electronics Corporation	Stock Check	Request Quote
	H1187NL		XFRMR MAGNT MOD 1PORT POE 10/100 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: Surface Mount Size / Dimension: 7.62mm L x 9.91mm W Height - Seated (Max): 6.60mm	Pulse Electronics Corporation	Stock Check	Request Quote
	749020015		TRANSFORMER WE-LAN 10/100/1000BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 13.72mm L x 18.01mm W Height - Seated (Max): 6.73mm	Wurth Electronics Inc	Stock Check	Request Quote
	749020015		TRANSFORMER WE-LAN 10/100/1000BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 13.72mm L x 18.01mm W Height - Seated (Max): 6.73mm	Wurth Electronics Inc	Stock Check	Request Quote
	749020015		TRANSFORMER WE-LAN 10/100/1000BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 13.72mm L x 18.01mm W Height - Seated (Max): 6.73mm	Wurth Electronics Inc	Stock Check	Request Quote
	1017C		TRANSFORMER PULSE 1:1 .8MH Series: 1000 Transformer Type: - Inductance: 800µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: 130V 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
	PE-68517LNL		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
	PE-65779NL		XFRMR T3/DS3/E3/STS-1 1:4CT T/H Transformer Type: T3/E3 (Single) Inductance: 150µH Turns Ratio - Primary:Secondary: 1 : 4CT E.T.: - Mounting Type: Through Hole Size / Dimension: 7.60mm L x 10.20mm W Height - Seated (Max): 6.35mm	Pulse Electronics Corporation	Stock Check	Request Quote
	749023010		TRANSFORMER LAN 10/100/1000 POE Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.80mm L x 12.20mm W Height - Seated (Max): 6.50mm	Wurth Electronics Inc	Stock Check	Request Quote
	749023010		TRANSFORMER LAN 10/100/1000 POE Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.80mm L x 12.20mm W Height - Seated (Max): 6.50mm	Wurth Electronics Inc	Stock Check	Request Quote
	749023010		TRANSFORMER LAN 10/100/1000 POE Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.80mm L x 12.20mm W Height - Seated (Max): 6.50mm	Wurth Electronics Inc	Stock Check	Request Quote
	PE-65968NL		TRANSFORMER TELECOM SINGLE T3/E4 Transformer Type: T3/E3 (Single) Inductance: 19µH Turns Ratio - Primary:Secondary: 1 : 2CT 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
	749014011		TRANSFORMER WE-LAN MED 10/100BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 24.55mm L x 17.00mm W Height - Seated (Max): 10.85mm	Wurth Electronics Inc	Stock Check	Request Quote
	749014011		TRANSFORMER WE-LAN MED 10/100BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 24.55mm L x 17.00mm W Height - Seated (Max): 10.85mm	Wurth Electronics Inc	Stock Check	Request Quote
	749014011		TRANSFORMER WE-LAN MED 10/100BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 24.55mm L x 17.00mm W Height - Seated (Max): 10.85mm	Wurth Electronics Inc	Stock Check	Request Quote
	HX2019FNL		MODULE MAGNETICS POE SINGLE VOIP Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	IT249		XFRMR PULSE 2:1:1 DL 17MH .25A Series: IT Transformer Type: Data/Voice Coupling Inductance: 17mH Turns Ratio - Primary:Secondary: 2 : 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
	H0126NL		MODULE 10/100BT PC SMD Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-68877NL		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: 17.15mm L x 11.58mm W Height - Seated (Max): 8.64mm	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-68017SNL		MODULE FILTER SNGL LAN 10-SIL Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Through Hole Size / Dimension: 27.43mm L x 5.33mm W Height - Seated (Max): 11.43mm	Pulse Electronics Corporation	Stock Check	Request Quote
	PE-69012		MODULE Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	G500		TRANSFORMER 5.0MH 1:1:1 PULSE Series: G5 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: 5mH Turns Ratio - Primary:Secondary: 1 : 1 : 1 Ter E.T.: 25V µS Mounting Type: Through Hole Size / Dimension: 12.70mm L x 8.90mm W Height - Seated (Max): 6.35mm	Tamura	Stock Check	Request Quote
	IT237		XFRMR PULSE 1:1 SGL 25MH .25A Series: IT Transformer Type: Data/Voice Coupling Inductance: 25mH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Through Hole Size / Dimension: 27.00mm L x 22.50mm W Height - Seated (Max): 13.70mm	Schaffner EMC Inc	Stock Check	Request Quote
	H2017NL		XFRMR MAGNT MOD 4PORT POE 10/100 Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: Surface Mount Size / Dimension: 28.45mm L x 12.19mm W Height - Seated (Max): 7.36mm	Pulse Electronics Corporation	Stock Check	Request Quote
	H5200NL		MODULE XFORMR DUAL GIGABIT SMD Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 14.73mm L x 17.27mm W Height - Seated (Max): 10.92mm	Pulse Electronics Corporation	Stock Check	Request Quote
	T1137NLT		XFRMR 1CT:2.42CT/1CT:2.42CT SMD 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
	T1137NLT		XFRMR 1CT:2.42CT/1CT:2.42CT SMD Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	T1137NLT		XFRMR 1CT:2.42CT/1CT:2.42CT SMD Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	T1090NLT		XFRMR 1CT:2CT/1CT:2CT 1.2/1.2MH Transformer Type: T1/E1 (Dual) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1CT : 2CT, 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
	T1090NLT		XFRMR 1CT:2CT/1CT:2CT 1.2/1.2MH Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	T1090NLT		XFRMR 1CT:2CT/1CT:2CT 1.2/1.2MH Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	S558-5999-03-F		MODULE XFRMR LAN ISOLATION 10B-T Transformer Type: - Inductance: 420µH Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.32mm L x 7.24mm W Height - Seated (Max): 5.72mm	Bel Fuse Inc	Stock Check	Request Quote
	S558-5999-03-F		MODULE XFRMR LAN ISOLATION 10B-T Transformer Type: - Inductance: 420µH Turns Ratio - Primary:Secondary: 1CT : 1CT E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.32mm L x 7.24mm W Height - Seated (Max): 5.72mm	Bel Fuse Inc	Stock Check	Request Quote
	PE-65967NLT		XFRMR T3/DS3/E3/STS-1 1:1 SMD 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
	PE-65967NLT		XFRMR T3/DS3/E3/STS-1 1:1 SMD 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-65967NLT		XFRMR T3/DS3/E3/STS-1 1:1 SMD Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Pulse Electronics Corporation	Stock Check	Request Quote
	E4001NL		XFRMR LAN ISOL 10BASE-T 1:2 SMD Transformer Type: Isolation and Data Interface (Encapsulated) Inductance: 112µH Turns Ratio - Primary:Secondary: 1CT : 2CT Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.70mm L x 7.24mm W Height - Seated (Max): 5.08mm	Pulse Electronics Corporation	Stock Check	Request Quote
	T1096NL		XFRMR 1CT:1.41CT/1CT:1.41CT SMD Transformer Type: T1/E1 (Dual) Inductance: 1mH, 1mH Turns Ratio - Primary:Secondary: 1CT : 1.41CT, 1CT : 1.41CT 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-68786NL		TRANSFORMER TELECOM DUAL T1/E2 Transformer Type: T1/E1 (Dual) Inductance: 1mH, 1mH Turns Ratio - Primary:Secondary: 1CT : 1.41CT, 1CT : 1.41CT 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
	749014010		TRANSFORMER WE-LAN MED 10/100BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.10mm L x 14.75mm W Height - Seated (Max): 8.65mm	Wurth Electronics Inc	Stock Check	Request Quote
	749014010		TRANSFORMER WE-LAN MED 10/100BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.10mm L x 14.75mm W Height - Seated (Max): 8.65mm	Wurth Electronics Inc	Stock Check	Request Quote
	749014010		TRANSFORMER WE-LAN MED 10/100BT Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 17.10mm L x 14.75mm W Height - Seated (Max): 8.65mm	Wurth Electronics Inc	Stock Check	Request Quote
	S558-5999-AM-F		XFRMR MODULE LAN GIGABT MINIPCI Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Bel Fuse Inc	Stock Check	Request Quote
	S558-5999-AM-F		XFRMR MODULE LAN GIGABT MINIPCI Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1CT : 1CT Transmitter, 1CT : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 22.35mm L x 13.72mm W Height - Seated (Max): 2.13mm	Bel Fuse Inc	Stock Check	Request Quote
	S558-5999-AM-F		XFRMR MODULE LAN GIGABT MINIPCI Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -	Bel Fuse Inc	Stock Check	Request Quote
	IT246		XFRMR PULSE 2:1 SGL 7MH .1A Series: IT Transformer Type: Data/Voice Coupling Inductance: 7mH 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
	749010110		TRANSFORMER LAN 10/100 SMD Series: WE-LAN Transformer Type: - Inductance: 350µH Turns Ratio - Primary:Secondary: 1 : 1 E.T.: - Mounting Type: Surface Mount Size / Dimension: 12.83mm L x 7.11mm W Height - Seated (Max): 2.16mm	Wurth Electronics Inc	Stock Check	Request Quote