DigiKey Datasheets for Signal Transformers

Signal transformers transfer information from one circuit to another by electromagnetic induction. They are used to increase or decrease the voltage from one side of a power transformer to the other.
Signal Transformers: Learn more

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Product Name Notes
1.4mH ADSL Pulse Transformer 1:1, 4.2:1 Surface Mount
1.5H Data/Voice Coupling Pulse Transformer 1:1 Surface Mount
10A Current Sense Transformer 20kHz ~ 200kHz 1.87mOhm Primary, 2.81mOhm Secondary 72mH Through Hole
10A Current Sense Transformer 20kHz ~ 200kHz 1.87mOhm Primary, 2.81mOhm Secondary Through Hole
10A Current Sense Transformer 20kHz ~ 200kHz 5.73mOhm Primary, 8.59mOhm Secondary Through Hole
10A Current Sense Transformer 20kHz ~ 200kHz 5.73Ohm Primary, 8.59Ohm Secondary Through Hole
10A Current Sense Transformer 20kHz ~ 200kHz Through Hole
11.3µH Pulse Transformer 5:1 Surface Mount
110µH Pulse Transformer 1:1 Surface Mount
120µH LAN 10G Base-T Pulse Transformer 1:1 Surface Mount
120µH LAN Pulse Transformer 1:1 Surface Mount
120µH Pulse Transformer 1:1 Surface Mount
150µH LAN 10/100 Base-T, Power over Ethernet (PoE) Pulse Transformer 1:1 Surface Mount
150µH LAN 10/100/1000 Base-T, Power over Ethernet (PoE) Pulse Transformer 1:1 Surface Mount
15A 1:1:100 Current Sense Transformer 50kHz ~ 500kHz 2.3mOhm Primary, 850mOhm Secondary 14.8mH Surface Mount
15A 1:1:50 Current Sense Transformer 50kHz ~ 500kHz 2.3mOhm Primary, 350mOhm Secondary 3.8mH Surface Mount
16.3mH SCR and Triac Trigger (Encapsulated) Pulse Transformer 1:1:1 Through Hole
16.3mH SCR and Triac Trigger (Encapsulated) Pulse Transformer 2:1:1 Through Hole
17mH SCR and Triac Trigger (Encapsulated) Pulse Transformer 1:1:1 Through Hole
180µH LAN 10/100 Base-T, Power over Ethernet (PoE) Pulse Transformer 1:1 Surface Mount
180µH LAN 10/100/1000 Base-T, Power over Ethernet (PoE) Pulse Transformer 1:1 Surface Mount
180µH LAN 10G Base-T Pulse Transformer 1:1 Surface Mount
180µH LAN Pulse Transformer 1:1 Surface Mount
185mH Data/Voice Coupling Pulse Transformer 1:1 Through Hole
1:100 Current Sense Transformer 6mOhm Primary, 5.5Ohm Secondary 2mH Surface Mount
1:125 Current Sense Transformer 6mOhm Primary, 6.5Ohm Secondary 3mH Surface Mount
1:1:100 Current Sense Transformer 50kHz ~ 500kHz 2.3mOhm Primary, 850mOhm Secondary 14.8mH Surface Mount
1:1:100 Current Sense Transformer 50kHz ~ 500kHz 7mOhm Primary, 3.2Ohm Secondary 14.8mH Surface Mount
1:1:200 Current Sense Transformer 50kHz ~ 500kHz 2.3mOhm Primary, 3.6Ohm Secondary 60mH Surface Mount
1:1:200 Current Sense Transformer 50kHz ~ 500kHz 7mOhm Primary, 6.6Ohm Secondary 60mH Surface Mount
1:1:50 Current Sense Transformer 50kHz ~ 500kHz 2.3mOhm Primary, 350mOhm Secondary 3.8mH Surface Mount
1:1:50 Current Sense Transformer 50kHz ~ 500kHz 7mOhm Primary, 500mOhm Secondary 3.8mH Surface Mount
1:20 Current Sense Transformer 6mOhm Primary, 200mOhm Secondary 80µH Surface Mount
1:200 Current Sense Transformer 50kHz ~ 500kHz 7mOhm Primary, 34Ohm Secondary 8mH Surface Mount
1:30 Current Sense Transformer 6mOhm Primary, 480mOhm Secondary 180µH Surface Mount
1:40 Current Sense Transformer 6mOhm Primary, 900mOhm Secondary 320µH Surface Mount
1:50 Current Sense Transformer 6mOhm Primary, 1.4Ohm Secondary 500µH Surface Mount
1:60 Current Sense Transformer 6mOhm Primary, 1.75Ohm Secondary 720µH Surface Mount
1:70 Current Sense Transformer 6mOhm Primary, 2.2Ohm Secondary 980µH Surface Mount
1mH SCR and Triac Trigger (Encapsulated) Pulse Transformer 1:1:1 Through Hole
1mH SCR and Triac Trigger (Encapsulated) Pulse Transformer 2:1:1 Through Hole
2.06mH Isolation and Data Interface (Encapsulated) Pulse Transformer 1:1 Through Hole
2.06mH Isolation and Data Interface (Encapsulated) Pulse Transformer 1:1:1 Through Hole
2.7µH Isolation and Data Interface (Encapsulated) Pulse Transformer 2:1 Through Hole
200µH LAN 10/100/1000 Base-T Pulse Transformer 1CT:1CT Transmitter, 1CT:1CT Receiver Surface Mount
200µH LAN 10G Base-T Pulse Transformer Surface Mount
200µH LAN Pulse Transformer 1:1 Surface Mount
200, 50/50 Impedance Primary Ohms 600, 150/150 Impedance Secondary Ohms Audio Transformer 30Hz ~ 30kHz Through Hole
23µH Isolation and Data Interface (Encapsulated) Pulse Transformer 1:1 Through Hole
240VAC, 280VAC Terminals Output 35A (9.8kVA) Constant Current Variable Transformer Input Terminals
2mH Pulse Transformer 1:4.5:4.5:1 Surface Mount
30µH Pulse Transformer 1.67:1 Surface Mount
300µH LAN 10/100/1000 Base-T Pulse Transformer 1:1 Surface Mount
300µH Pulse Transformer 1:4.5:4.5:1 Surface Mount
350µH LAN 10/100 Base-T Pulse Transformer 1:1 Surface Mount
350µH LAN 10/100 Base-T Pulse Transformer 1:1
350µH LAN 10/100 Base-T, Power over Ethernet (PoE) Pulse Transformer 1:1 Surface Mount
350µH LAN 10/100/1000 Base-T Pulse Transformer 1:1 Surface Mount
350µH LAN 10/100/1000 Base-T Pulse Transformer 1CT:1CT Transmitter, 1CT:1CT Receiver Surface Mount
350µH LAN 10/100/1000 Base-T, Power over Ethernet (PoE) Pulse Transformer 1:1 Surface Mount
350µH LAN 1000 Base-T Pulse Transformer 1:1 Surface Mount
350µH LAN 1000 Base-T Pulse Transformer 1:1
350µH LAN 1000 Base-T Pulse Transformer 1CT:1CT Surface Mount
350µH LAN 1000 Base-T Pulse Transformer 1CT:1CT Transmitter, 1CT:1CT Receiver Surface Mount
350µH LAN 1000 Base-T Pulse Transformer 1CT:1CT Transmitter, 1CT:1CT Receiver
350µH Pulse Transformer 1:1 Surface Mount
40A 1:100 Current Sense Transformer 1MHz 0.28mOhm Primary, 805mOhm Secondary 5.6mH Surface Mount
40A 1:1000 Current Sense Transformer 1MHz 0.28mOhm Primary, 87.64Ohm Secondary 540mH Surface Mount
40A 1:150 Current Sense Transformer 1MHz 0.28mOhm Primary, 1.9Ohm Secondary 12.6mH Surface Mount
40A 1:20 Current Sense Transformer 1MHz 0.28mOhm Primary, 33mOhm Secondary 224µH Surface Mount
40A 1:200 Current Sense Transformer 1MHz 0.28mOhm 22.4mH Surface Mount
40A 1:30 Current Sense Transformer 1MHz 0.28mOhm Primary, 93mOhm Secondary 504µH Surface Mount
40A 1:40 Current Sense Transformer 1MHz 0.28mOhm Primary, 130mOhm Secondary 896µH Surface Mount
40A 1:50 Current Sense Transformer 1MHz 0.28mOhm Primary, 202mOhm Secondary 1.4mH Surface Mount
40A 1:500 Current Sense Transformer 1MHz 0.28mOhm Primary, 21.2Ohm Secondary 135mH Surface Mount
40A 1:60 Current Sense Transformer 1MHz 0.28mOhm Primary, 305mOhm Secondary 2mH Surface Mount
40A 1:70 Current Sense Transformer 1MHz 0.28mOhm Primary, 367mOhm Secondary 2.74mH Surface Mount
40A 1:750 Current Sense Transformer 1MHz 0.28mOhm Primary, 50.1Ohm Secondary 300mH Surface Mount
40k, 10k/10k Impedance Primary Ohms 40k, 10k/10k Impedance Secondary Ohms Audio Transformer 30Hz ~ 15kHz Through Hole
48, 12/12 Impedance Primary Ohms 600, 150/150 Impedance Secondary Ohms Audio Transformer 30Hz ~ 30kHz Through Hole
480VAC, 560VAC Terminals Output 35A (33.9kVA) Constant Current Variable Transformer Input Terminals
492µH Isolation and Data Interface (Encapsulated) Pulse Transformer 1:1 Through Hole
4mH SCR and Triac Trigger (Encapsulated) Pulse Transformer 1:1 Through Hole
4mH SCR and Triac Trigger (Encapsulated) Pulse Transformer 1:1:1 Through Hole
5A Current Sense Transformer 50Hz ~ 400Hz Free Hanging (In-Line)
600, 150/150 Impedance Primary Ohms 20k, 5k/5k Impedance Secondary Ohms Audio Transformer 30Hz ~ 30kHz Through Hole
600, 150/150 Impedance Primary Ohms 40k, 10k/10k Impedance Secondary Ohms Audio Transformer 30Hz ~ 30kHz Through Hole
600, 150/150 Impedance Primary Ohms 600, 150/150 Impedance Secondary Ohms Audio Transformer 30Hz ~ 30kHz Through Hole
70µH Data/Voice Coupling Pulse Transformer 1.08:1 Surface Mount
7A 1:100 Current Sense Transformer 1MHz 3mOhm Primary, 9.5Ohm Secondary 820µH Surface Mount
7A 1:125 Current Sense Transformer 1MHz 3mOhm Primary, 13Ohm Secondary 1.28mH Surface Mount
7A 1:150 Current Sense Transformer 1MHz 3mOhm Primary, 21Ohm Secondary 1.8mH Surface Mount
7A 1:20 Current Sense Transformer 1MHz 3mOhm Primary, 350mOhm Secondary 33µH Surface Mount
7A 1:30 Current Sense Transformer 1MHz 3mOhm Primary, 800mOhm Secondary 74µH Surface Mount
7A 1:40 Current Sense Transformer 1MHz 3mOhm Primary, 1.6Ohm Secondary 132µH Surface Mount
7A 1:50 Current Sense Transformer 1MHz 3mOhm Primary, 2.5Ohm Secondary 205µH Surface Mount
7A 1:60 Current Sense Transformer 1MHz 3mOhm Primary, 3.6Ohm Secondary 295µH Surface Mount
7A 1:70 Current Sense Transformer 1MHz 3mOhm Primary, 4.6Ohm Secondary 400µH Surface Mount
9.5µH Isolation and Data Interface (Encapsulated) Pulse Transformer 1:1 Through Hole
ANALOG MODEM TRANSFORMER TOR4.3
BALUN 1.5GHZ-3.1GHZ 50/100 0805
BALUN 2.3GHZ-2.7GHZ 50/100 0603
BALUN 2.4GHZ-2.5GHZ 50/100 0603
BALUN 2.4GHZ-2.5GHZ 50/100 0805
BALUN 2.4GHZ-2.5GHZ 50/50 0603
BALUN 2.4GHZ-2.5GHZ 50/50 0805
BALUN 4.9GHZ-5.9GHZ 50/100 0805
BALUN 673MHZ-2.7GHZ 50/100 0603
Capacitor Charger For For DC/DC Converters SMPS Transformer 1000Vrms Isolation Surface Mount
Capacitor Charger For For DC/DC Converters SMPS Transformer 1000Vrms Isolation Through Hole
COUPLING TRANSFORMER, TX:RX:PL=1
CURR SENSE XFMR 1:1:100 15A SMD
CURR SENSE XFMR 1:1:200 15A SMD
CURR SENSE XFMR 1:200 10A SMD
CURRENT SENSE TRANSFORMER 187EI
Flexible For Configurable (For DC/DC) SMPS Transformer 500VAC Isolation Surface Mount
Flexible For Configurable (For DC/DC) SMPS Transformer 500VDC Isolation Surface Mount
Flexible For For DC/DC Converters SMPS Transformer 1500Vrms Isolation Surface Mount
Flexible For For DC/DC Converters SMPS Transformer 500Vrms Isolation Surface Mount
Flyback Converters For For AC/DC Converters SMPS Transformer 3000Vrms Isolation Through Hole
Flyback Converters For For AC/DC Converters SMPS Transformer 3750Vrms Isolation 70kHz Through Hole
Flyback Converters For For AC/DC Converters SMPS Transformer 4000Vrms Isolation 120kHz Through Hole
Flyback Converters For For AC/DC Converters SMPS Transformer 4000Vrms Isolation Through Hole
Flyback Converters For For DC/DC Converters SMPS Transformer 1000VDC Isolation 100 ~ 400kHz Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 100kHz Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 150 ~ 300kHz Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 200 ~ 300kHz Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 200kHz Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 250kHz Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 300kHz Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 1500Vrms Isolation Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 500Vrms Isolation 391kHz Surface Mount
Flyback Converters For For DC/DC Converters SMPS Transformer 500Vrms Isolation Surface Mount
For Configurable (For DC/DC) SMPS Transformer 1500Vrms Isolation Surface Mount
For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 200 ~ 500kHz Surface Mount
LAN TRANSFORMER 10GBIT
LED Drivers, AC/DC SMPS For For AC/DC Converters SMPS Transformer 1500Vrms Isolation Through Hole
LED Drivers, AC/DC SMPS For For AC/DC Converters SMPS Transformer 2000Vrms Isolation Through Hole
LED Drivers, AC/DC SMPS For For AC/DC Converters SMPS Transformer 4000Vrms Isolation 132kHz Through Hole
LED Drivers, AC/DC SMPS For For AC/DC Converters SMPS Transformer 4500Vrms Isolation Through Hole
LED Drivers, AC/DC SMPS For For AC/DC Converters SMPS Transformer Isolation Through Hole
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1.5kVAC Isolation 200 ~ 500kHz Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 200 ~ 400kHz Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 200 ~ 500kHz Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 200kHz Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 250 ~ 400kHz Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1500Vrms Isolation 250kHz Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1500Vrms Isolation Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1875Vrms Isolation 200kHz Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1875Vrms Isolation 250kHz Surface Mount
Power Over Ethernet (PoE) For For DC/DC Converters SMPS Transformer 1875Vrms Isolation 250kHz Through Hole
Pulse Transformer 1:1 Surface Mount
Pulse Transformer 1:1 Through Hole
Pulse Transformer Surface Mount
Pulse Transformer
PWR XFMR LAMINATED 112VA CHAS MT
PWR XFMR LAMINATED 1200VA CHAS
PWR XFMR LAMINATED 136VA CHAS MT
PWR XFMR LAMINATED 1400VA CHAS
PWR XFMR LAMINATED 1700VA CHAS
PWR XFMR LAMINATED 180VA CHAS MT
PWR XFMR LAMINATED 200VA CHAS MT
PWR XFMR LAMINATED 210VA CHAS MT
PWR XFMR LAMINATED 224VA CHAS MT
PWR XFMR LAMINATED 235VA CHAS MT
PWR XFMR LAMINATED 259VA CHAS MT
PWR XFMR LAMINATED 272VA CHAS MT
PWR XFMR LAMINATED 288VA CHAS MT
PWR XFMR LAMINATED 336VA CHAS MT
PWR XFMR LAMINATED 370VA CHAS MT
PWR XFMR LAMINATED 448VA CHAS MT
PWR XFMR LAMINATED 510VA CHAS MT
PWR XFMR LAMINATED 544VA CHAS MT
PWR XFMR LAMINATED 56VA CHAS MT
PWR XFMR LAMINATED 672VA CHAS MT
PWR XFMR LAMINATED 68VA CHAS MT
PWR XFMR LAMINATED 735VA CHAS MT
PWR XFMR LAMINATED 750VA CHAS MT
PWR XFMR LAMINATED 816VA CHAS MT
PWR XFMR LAMINATED TH
PWR XFMR SEMI-TORO 12VA TH
PWR XFMR SEMI-TORO 18VA TH
PWR XFMR SEMI-TORO 2.5VA TH
PWR XFMR SEMI-TORO 6VA TH
PWR XFMR SEMI-TORO 9VA TH
PWR XFMR TOROIDAL 1.6VA CHAS MT
PWR XFMR TOROIDAL 1.6VA TH
PWR XFMR TOROIDAL 10VA CHAS MT
PWR XFMR TOROIDAL 10VA TH
PWR XFMR TOROIDAL 15VA CHAS MT
PWR XFMR TOROIDAL 15VA TH
PWR XFMR TOROIDAL 25VA CHAS MT
PWR XFMR TOROIDAL 25VA TH
PWR XFMR TOROIDAL 3.2VA CHAS MT
PWR XFMR TOROIDAL 3.2VA TH
PWR XFMR TOROIDAL 35VA CHAS MT
PWR XFMR TOROIDAL 35VA TH
PWR XFMR TOROIDAL 50VA CHAS MT
PWR XFMR TOROIDAL 50VA TH
PWR XFMR TOROIDAL 5VA CHAS MT
PWR XFMR TOROIDAL 5VA TH
PWR XFMR TOROIDAL 7VA CHAS MT
PWR XFMR TOROIDAL 7VA TH
RF Balun 2.4GHz ~ 2.5GHz 50 / 100Ohm 0805 (2012 Metric)
RF Balun 2.4GHz ~ 2.5GHz 50 / 200Ohm 0805 (2012 Metric)
RF Balun 2.4GHz ~ 2.5GHz 50 / 50Ohm 0603 (1608 Metric)
RF Balun 2.4GHz ~ 2.5GHz 50 / 50Ohm 0805 (2012 Metric)
RF Balun 3GHz ~ 8GHz 50 / 100Ohm 0805 (2012 Metric), 6 PC Pad
RF Balun 4.9GHz ~ 5.87GHz 50 / 100Ohm 0603 (1608 Metric)
RF Balun 4.9GHz ~ 5.87GHz 50 / 200Ohm 0805 (2012 Metric)
RF Balun 4.9GHz ~ 5.87GHz 50 / 50Ohm 0805 (2012 Metric)
RF Balun 4.9GHz ~ 5.9GHz 50 / 100Ohm 0805 (2012 Metric)
RF Balun 4.9GHz ~ 5.9GHz 50 / 50Ohm 0805 (2012 Metric)
RF Balun 5.15GHz ~ 5.5GHz 50 / 50Ohm 0805 (2012 Metric)
RF Balun 5.15GHz ~ 5.875GHz 50 / 100Ohm 0805 (2012 Metric)
SPE SIGNAL TRANSFORMER 1:1; 2.2
TRANSFORMER FOR BATTERY MANAGEME
TRANSFORMER LAN 10/100 SMD
TRANSFORMER LAN 10/100/1000 SMD
WE-BMS SMT TRANSFORMER -40C TO +
WE-GDT GATE DRIVE TRANSFORMER E
WE-LAN 10/100 BASE-TX SMT TRANSF
WE-LAN 10/100/1000 BASE-T SMT TR
WE-LAN 2.5G/5G BASE-T SMT TRANSF
WIFI 6E WIFI 7 BALUN 1:1
WIFI 6E WIFI 7 BALUN 1:2
XFMR FLEX CONFIG DC/DC 6.6UH SMD
XFMR FLEX CONFIG DC/DC 8.3UH SMD
XFMR FLYBACK DC/DC CONV 25UH SMD
XFMR POE DC/DC CONV 120UH SMD
XFMR POE DC/DC CONV 210UH SMD

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