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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
TX1089NLT TX1089NLT Download TX1089NLT Sheet
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
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TX1089NLT TX1089NLT Download TX1089NLT Sheet
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
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PE-65728NL PE-65728NL Download PE-65728NL Sheet
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
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No Photo PT61020EL Download PT61020EL Sheet
TRANSFORMER LAN Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -
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No Photo PT61020EL Download PT61020EL Sheet
TRANSFORMER LAN Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -
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No Photo PT61020EL Download PT61020EL Sheet
TRANSFORMER LAN Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -
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PE-68515LNLT PE-68515LNLT Download PE-68515LNLT Sheet
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
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PE-68515LNLT PE-68515LNLT Download PE-68515LNLT Sheet
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
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PE-68515LNLT PE-68515LNLT Download PE-68515LNLT Sheet
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
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PE-65745NL PE-65745NL Download PE-65745NL Sheet
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
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S558-5999-T3-F S558-5999-T3-F Download S558-5999-T3-F Sheet
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
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S558-5999-T3-F S558-5999-T3-F Download S558-5999-T3-F Sheet
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
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S558-5999-T3-F S558-5999-T3-F Download S558-5999-T3-F Sheet
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
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S558-5999-AC-F S558-5999-AC-F Download S558-5999-AC-F Sheet
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
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S558-5999-AC-F S558-5999-AC-F Download S558-5999-AC-F Sheet
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
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749020100 749020100 Download 749020100 Sheet
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
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749020100 749020100 Download 749020100 Sheet
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
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749020100 749020100 Download 749020100 Sheet
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
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1001C 1001C Download 1001C Sheet
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
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HX1148NLT HX1148NLT Download HX1148NLT Sheet
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
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HX1148NLT HX1148NLT Download HX1148NLT Sheet
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
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HX1148NLT HX1148NLT Download HX1148NLT Sheet
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
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T1094NL T1094NL Download T1094NL Sheet
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
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T1144NL T1144NL Download T1144NL Sheet
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
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T1137NL T1137NL Download T1137NL Sheet
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
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76250ENC 76250ENC Download 76250ENC Sheet
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
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76253/35ENC 76253/35ENC Download 76253/35ENC Sheet
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
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PE-65351NL PE-65351NL Download PE-65351NL Sheet
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
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750031353 750031353 Download 750031353 Sheet
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
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750031353 750031353 Download 750031353 Sheet
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
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750031353 750031353 Download 750031353 Sheet
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
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1002C 1002C Download 1002C Sheet
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
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H1102FNL H1102FNL Download H1102FNL Sheet
MODULE XFRMR SGL ETHR LAN 16SOIC Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -
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PE-68515LNL PE-68515LNL Download PE-68515LNL Sheet
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
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H1086NL H1086NL Download H1086NL Sheet
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
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PE-65967NL PE-65967NL Download PE-65967NL Sheet
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
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IT255 IT255 Download IT255 Sheet
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
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IT245 IT245 Download IT245 Sheet
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
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S22160 S22160 Download S22160 Sheet
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
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IT244 IT244 Download IT244 Sheet
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
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IT253 IT253 Download IT253 Sheet
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
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IT242 IT242 Download IT242 Sheet
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
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No Photo H2019FNL Download H2019FNL Sheet
MODULE XFRMR VOIP SGL LAN 16SOIC Series: * Transformer Type: - Inductance: - Turns Ratio - Primary:Secondary: - E.T.: - Mounting Type: - Size / Dimension: - Height - Seated (Max): -
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H1081NL H1081NL Download H1081NL Sheet
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
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S22083 S22083 Download S22083 Sheet
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
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IT248 IT248 Download IT248 Sheet
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
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HX1178NL HX1178NL Download HX1178NL Sheet
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
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HX1148NL HX1148NL Download HX1148NL Sheet
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
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T1068NL T1068NL Download T1068NL Sheet
XFRMR 4PORT 1:2CT 1.2MH SMD Transformer Type: T1/E1 (Quad) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1 : 2CT Transmitter, 1 : 1CT Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 28.58mm L x 12.32mm W Height - Seated (Max): 5.84mm
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T1124NL T1124NL Download T1124NL Sheet
XFRMR T1/E1/CEPT/ISDN-PRI 1:2CT Transformer Type: T1/E1 (Quad) Inductance: 1.2mH, 1.2mH Turns Ratio - Primary:Secondary: 1 : 2CT Transmitter, 1CT : 2 Receiver E.T.: - Mounting Type: Surface Mount Size / Dimension: 28.58mm L x 12.32mm W Height - Seated (Max): 5.84mm
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