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Pulse Transformers

Browse available Pulse Transformers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Photo 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
H1121NLT Pulse Electronics

H1121NLT

XFRMR MAGNT 1PORT 1:1.414 10/100

Pulse Electronics

2,288 -
Datasheet - Tape & Reel (TR) Active Isolation and Data Interface (Encapsulated) - - 1:1.414 Transmitter, 1:1 Receiver Surface Mount 0.500" L x 0.280" W (12.70mm x 7.11mm) 0.245" (6.22mm) 0°C ~ 70°C - -
749020015 Würth Elektronik

749020015

TRANSFORMER WE-LAN 10/100/1000BT

Würth Elektronik

3,405 -
Datasheet WE-LAN Tape & Reel (TR) Active LAN 10/100/1000 Base-T 350µH - 1:1 Surface Mount 0.540" L x 0.709" W (13.72mm x 18.01mm) 0.265" (6.73mm) -40°C ~ 85°C - -
TG5G-E12NZ5LFTR HALO Electronics, Inc.

TG5G-E12NZ5LFTR

ISO MOD 5G POE 0.35A X-TEMP 24P

HALO Electronics, Inc.

1,163 -
Datasheet - Tape & Reel (TR) Active LAN 5G Base-T, Power over Ethernet (PoE) - - 1:1 Surface Mount 0.722" L x 0.485" W (18.33mm x 12.32mm) 0.255" (6.48mm) -40°C ~ 85°C - -
TGR28-3755V12LFTR HALO Electronics, Inc.

TGR28-3755V12LFTR

ISO MOD T1 1C:1.36/1C:1C REINF

HALO Electronics, Inc.

2,598 -
Datasheet - Tape & Reel (TR) Active Interface 1.5mH - 1CT:1CT Transmitter, 1CT:1.36CT Receiver Surface Mount 0.675" L x 0.560" W (17.15mm x 14.22mm) 0.390" (9.91mm) -40°C ~ 85°C - -
TGR74-3755V12LFTR HALO Electronics, Inc.

TGR74-3755V12LFTR

ISO MOD T1 1C:1C/1C:2C REINF

HALO Electronics, Inc.

4,503 -
Datasheet - Tape & Reel (TR) Active T1/E1 (Dual) 1.5mH - 1CT:1CT, 1CT:2CT Surface Mount 0.675" L x 0.560" W (17.15mm x 14.22mm) 0.390" (9.91mm) -40°C ~ 85°C - -
TGR38-3755V12LFTR HALO Electronics, Inc.

TGR38-3755V12LFTR

ISO MOD T1 1C:1.15C REINF 3.75KV

HALO Electronics, Inc.

1,722 -
Datasheet - Tape & Reel (TR) Active Interface 1.5mH - 1CT:1.15CT Transmitter, 1CT:1.15CT Receiver Surface Mount 0.675" L x 0.560" W (17.15mm x 14.22mm) 0.390" (9.91mm) -40°C ~ 85°C - -
TGR27-3755V12LFTR HALO Electronics, Inc.

TGR27-3755V12LFTR

ISO MOD T1 1C:2C/1C:1.36C REINF

HALO Electronics, Inc.

2,103 -
Datasheet - Tape & Reel (TR) Active Interface 1.5mH - 1CT:2CT Transmitter, 1CT:1.36CT Receiver Surface Mount 0.675" L x 0.560" W (17.15mm x 14.22mm) 0.390" (9.91mm) -40°C ~ 85°C - -
TGR26-3755V12LFTR HALO Electronics, Inc.

TGR26-3755V12LFTR

ISO MOD T1 1C:2C REINF 3.75KV

HALO Electronics, Inc.

4,346 -
Datasheet - Tape & Reel (TR) Active Interface 1.5mH - 1CT:2CT Transmitter, 1CT:2CT Receiver Surface Mount 0.675" L x 0.560" W (17.15mm x 14.22mm) 0.390" (9.91mm) -40°C ~ 85°C - -
TGR04-3755V12LFTR HALO Electronics, Inc.

TGR04-3755V12LFTR

ISO MOD T1 1C:1C REINF 3.75KV

HALO Electronics, Inc.

2,424 -
Datasheet - Tape & Reel (TR) Active Interface 1.5mH - 1CT:1CT Transmitter, 1CT:1CT Receiver Surface Mount 0.675" L x 0.560" W (17.15mm x 14.22mm) 0.390" (9.91mm) -40°C ~ 85°C - -
TGSP-S225NZLFTR HALO Electronics, Inc.

TGSP-S225NZLFTR

ISO MOD T1 DUAL 1C:2.4C/1C:1C

HALO Electronics, Inc.

2,083 -
Datasheet - Tape & Reel (TR) Active T1/E1 (Dual) - - 1CT:2.4CT Transmitter, 1CT:1CT Receiver Surface Mount 0.700" L x 0.480" W (17.78mm x 12.19mm) 0.230" (5.84mm) - - -
TG110-EMX6NXRLTR HALO Electronics, Inc.

TG110-EMX6NXRLTR

ISO MOD 10/100 QUAD X-TEMP 40P S

HALO Electronics, Inc.

2,141 -
Datasheet - Tape & Reel (TR) Not For New Designs LAN 10/100 Base-T - - - Surface Mount 1.100" L x 0.480" W (27.94mm x 12.19mm) 0.230" (5.84mm) -40°C ~ 85°C - -
TGSP-S225NZRL HALO Electronics, Inc.

TGSP-S225NZRL

ISO MOD T1 DUAL 1C:2.4C/1C:1C 24

HALO Electronics, Inc.

3,458 -
Datasheet - Tube Not For New Designs T1/E1 (Dual) - - 1CT:2.4CT Transmitter, 1CT:1CT Receiver Surface Mount 0.700" L x 0.480" W (17.78mm x 12.19mm) 0.230" (5.84mm) -40°C ~ 85°C - -
TG93-1505NZRL HALO Electronics, Inc.

TG93-1505NZRL

ISO MOD T1 DUAL 1C:2.42C X-TEMP

HALO Electronics, Inc.

1,866 -
Datasheet - Tube Not For New Designs T1/E1 (Dual) - - 1CT:2.42CT Transmitter, 1CT:2.42CT Receiver Surface Mount 0.700" L x 0.480" W (17.78mm x 12.19mm) 0.230" (5.84mm) - - -
HCTSM80910BAL-E1 Bourns Inc.

HCTSM80910BAL-E1

XFRMR POWER 9:10 300UH SMD

Bourns Inc.

1,956 -
Datasheet HCT Tape & Reel (TR) Discontinued at Digi-Key - 300µH 11.0VµS 9:10 Surface Mount 0.598" L x 0.425" W (15.20mm x 10.80mm) 0.256" (6.50mm) -40°C ~ 125°C - -
HCTSM80403AAL-E1 Bourns Inc.

HCTSM80403AAL-E1

XFMR 3.3-5V/3.3-15V,350MA PK TR

Bourns Inc.

3,182 -
Datasheet HCT Tape & Reel (TR) Discontinued at Digi-Key Isolation and Data Interface (Encapsulated) 250µH 11.0VµS 4:3 Surface Mount 0.484" L x 0.425" W (12.30mm x 10.80mm) 0.256" (6.50mm) -40°C ~ 125°C - -
HCTSM80305BAL-E1 Bourns Inc.

HCTSM80305BAL-E1

XFMR 3.3-5V/3.3-15V,350MA PK TR

Bourns Inc.

1,043 -
Datasheet HCT Tape & Reel (TR) Discontinued at Digi-Key Isolation and Data Interface (Encapsulated) 300µH 11.0VµS 3:5 Surface Mount 0.484" L x 0.425" W (12.30mm x 10.80mm) 0.256" (6.50mm) -40°C ~ 125°C - -
SM13100EL Bourns Inc.

SM13100EL

LAN 10/100 BASE T XFORMER 250VRM

Bourns Inc.

2,669 -
Datasheet SM Tape & Reel (TR) Obsolete LAN 10/100 Base-T 350µH - 1CT:1CT - - 0.504" (12.80mm) -40°C ~ 85°C Automotive AEC-Q200
B78416A2360A003 EPCOS - TDK Electronics

B78416A2360A003

EP6 SMD TRANSFORMER

EPCOS - TDK Electronics

1,217 -
Datasheet B7416A Tape & Reel (TR) Active - 3mH - 1:1:8.42 Surface Mount 0.260" L x 0.260" W (6.60mm x 6.60mm) 0.280" (7.10mm) -40°C ~ 85°C - -
TGSP-S281NZRLTR HALO Electronics, Inc.

TGSP-S281NZRLTR

ISO MOD T1 DUAL 1C:2C/1C:1.15C

HALO Electronics, Inc.

1,079 -
Datasheet - Tape & Reel (TR) Not For New Designs T1/E1 (Dual) - - 1CT:1.15CT Transmitter, 1CT:2CT Receiver Surface Mount 0.700" L x 0.480" W (17.78mm x 12.19mm) 0.230" (5.84mm) - - -
GH5208RY LF Pulse Electronics

GH5208RY LF

MDL 1G DIP QUAD PORTS N/A

Pulse Electronics

4,744 -
Datasheet - Tube Active LAN 1000 Base-T 350µH - 1:1CT Transmitter, 1:1CT Receiver Through Hole 1.142" L x 1.043" W (29.00mm x 26.50mm) 0.512" (13.00mm) 0°C ~ 70°C - -
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Pulse Transformers FAQ

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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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Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.