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0755-82798135Current Sense Transformers
Current Sense Transformers
Current Sense Transformers are magnetic components used to detect, monitor and measure current in electronic and electrical systems. They provide isolation between the primary current path and sensing circuitry, making them suitable for power monitoring, overload detection, feedback control and protection functions. They are widely used in power supplies, motor drives, industrial control equipment, energy meters, inverters, battery systems, communication equipment and embedded applications.
This category includes current transformers, current sensing transformers, AC current sense transformers, PCB current transformers, split-core current transformers and related magnetic sensing components. These products are commonly selected based on current range, turns ratio, frequency range, isolation voltage, accuracy, burden resistance, mounting type, package style and application requirements.
TomatoElec supplies original Current Sense Transformers from recognized manufacturers such as Pulse Electronics, Bourns, Würth Elektronik, TDK, Murata, Triad Magnetics, Coilcraft, Hammond Manufacturing and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Packaging | Product Status | Frequency Range | Type | Current Rating (Amps) | Inductance | ET (Volt-Time) | Turns Ratio - Primary:Secondary | Current Ratio | DC Resistance (DCR) | Ratings | Mounting Type | Size / Dimension | Height - Seated (Max) | Termination Style |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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7020-01036-0CURR SENSE XFMR 5A IN-LINE |
0 | - |
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Datasheet |
DMS | Bulk | Obsolete | 50Hz ~ 400Hz | Non-Invasive (Solid Core) | 5 A | - | - | - | 50:5 | - | - | Free Hanging (In-Line) | 2.701" Dia (68.60mm) | 1.402" (35.60mm) | Wire Leads |
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7020-01038-0CURR SENSE XFMR 5A IN-LINE |
0 | - |
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Datasheet |
DMS | Bulk | Obsolete | 50Hz ~ 400Hz | Non-Invasive (Solid Core) | 5 A | - | - | - | 100:5 | - | - | Free Hanging (In-Line) | 2.701" Dia (68.60mm) | 1.402" (35.60mm) | Wire Leads |
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7020-01040-0CURR SENSE XFMR 5A IN-LINE |
0 | - |
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Datasheet |
DMS | Bulk | Obsolete | 50Hz ~ 400Hz | Non-Invasive (Solid Core) | 5 A | - | - | - | 200:5 | - | - | Free Hanging (In-Line) | 2.701" Dia (68.60mm) | 1.402" (35.60mm) | Wire Leads |
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39-3681409CURR SENSE XFMR IN-LINE |
0 | - |
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Datasheet |
DMS | Bulk | Obsolete | 50Hz ~ 400Hz | Non-Invasive (Solid Core) | - | - | - | - | - | - | - | Free Hanging (In-Line) | 1.560" Dia (39.60mm) | 1.098" (27.90mm) | Wire Leads |
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B82801A0214A050CURR SENSE XFMR 1:50 SMD |
0 | - |
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Datasheet |
B82801A | Tape & Reel (TR) | Obsolete | 50kHz ~ 1MHz | Invasive | - | 205 µH | - | 1:50 | - | 2.5mOhm Primary, 2.2Ohm Secondary | - | Surface Mount | 0.138" L x 0.185" W (3.50mm x 4.70mm) | 0.138" (3.50mm) | J Lead |
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B82801A0824A100CURR SENSE XFMR 1:100 SMD |
0 | - |
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Datasheet |
B82801A | Tape & Reel (TR) | Obsolete | 50kHz ~ 1MHz | Invasive | - | 820 µH | - | 1:100 | - | 2.5mOhm Primary, 8.7Ohm Secondary | - | Surface Mount | 0.138" L x 0.185" W (3.50mm x 4.70mm) | 0.138" (3.50mm) | J Lead |
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B82801A0135A125CURR SENSE XFMR 1:125 SMD |
0 | - |
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Datasheet |
B82801A | Tape & Reel (TR) | Obsolete | 50kHz ~ 1MHz | Invasive | - | 1.28 mH | - | 1:125 | - | 2.5mOhm Primary, 13Ohm Secondary | - | Surface Mount | 0.138" L x 0.185" W (3.50mm x 4.70mm) | 0.138" (3.50mm) | J Lead |
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PE-63618NLCURR SENSE XFMR 20A T/H |
0 | - |
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Datasheet |
THT | Tray | Active | 20kHz ~ 200kHz | Invasive | 20 A | 20 mH | - | - | 100CT:1 | 100Ohm Primary, 1.4Ohm Secondary | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |
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PE-63691NLCURR SENSE XFMR 20A T/H |
0 | - |
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Datasheet |
THT | Tray | Active | 20kHz ~ 200kHz | Invasive | 20 A | 180 mH | - | - | 300CT:1 | 300Ohm Primary, 11Ohm Secondary | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |
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PE-63586NLCURR SENSE XFMR 20A T/H |
0 | - |
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Datasheet |
THT | Tray | Obsolete | 20kHz ~ 200kHz | Invasive | 20 A | 5 mH | - | - | 50:1 | 50Ohm Primary, 700mOhm Secondary | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |
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PB0025NLTCURR SENSE XFMR 50:1 35A SMD |
0 | - |
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Datasheet |
PB002XNL | Tape & Reel (TR) | Active | 50kHz ~ 500kHz | Invasive | 35 A | 1.4 mH | - | 50:1 | - | 0.42mOhm Primary, 700mOhm Secondary | - | Surface Mount | 0.591" L x 0.784" W (15.00mm x 19.91mm) | 0.394" (10.00mm) | Gull Wing |
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B82801A0404A070CURR SENSE XFMR 1:70 7A SMD |
0 | - |
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Datasheet |
B82801A | Tape & Reel (TR) | Obsolete | 50kHz ~ 1MHz | Invasive | 7 A | 400 µH | 20VµS | 1:70 | - | 2.5mOhm Primary, 4.6Ohm Secondary | - | Surface Mount | 0.185" L x 0.138" W (4.70mm x 3.50mm) | 0.138" (3.50mm) | J Lead |
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P8205CURR SENSE XFMR 1:50 SMD |
0 | - |
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Datasheet |
P820X | Tray | Obsolete | 50kHz ~ 1MHz | Invasive | - | - | - | 1:50 | - | 6mOhm | - | Surface Mount | 0.284" L x 0.330" W (7.21mm x 8.38mm) | 0.217" (5.50mm) | - |
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PB0026CURR SENSE XFMR 100:1 35A SMD |
0 | - |
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Datasheet |
- | Tray | Obsolete | 50kHz ~ 500kHz | Invasive | 35 A | 5.6 mH | - | 100:1 | - | 2.8mOhm Primary, 1.4Ohm Secondary | - | Surface Mount | 0.784" L x 0.570" W (19.91mm x 14.48mm) | 0.394" (10.00mm) | Gull Wing |
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PB0027CURR SENSE XFMR 200:1 35A SMD |
0 | - |
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Datasheet |
- | Tray | Obsolete | 50kHz ~ 500kHz | Invasive | 35 A | 22.4 mH | - | 200:1 | - | 2.8mOhm Primary, 2.9Ohm Secondary | - | Surface Mount | 0.784" L x 0.570" W (19.91mm x 14.48mm) | 0.394" (10.00mm) | Gull Wing |
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PE-51686CURR SENSE XFMR 20A T/H |
0 | - |
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Datasheet |
- | Tray | Obsolete | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 20 A | 5 mH | - | - | 50:1 | - | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |
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PE-51687CURR SENSE XFMR 20A T/H |
0 | - |
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Datasheet |
- | Tray | Obsolete | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 20 A | 20 mH | - | - | 100:1 | - | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |
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PE-51688FIXED IND 80MH TH |
0 | - |
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Datasheet |
- | Tray | Active | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | - | 80 mH | - | - | - | - | - | Through Hole | 0.670" L x 0.390" W (17.01mm x 9.90mm) | 0.800" (20.32mm) | PC Pin |
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PE-51718CURR SENSE XFMR 20A T/H |
0 | - |
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Datasheet |
- | Tray | Obsolete | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 20 A | 20 mH | - | - | 100CT:1 | - | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |
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PE-51719CURR SENSE XFMR 20A T/H |
0 | - |
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Datasheet |
- | Tray | Obsolete | 20kHz ~ 200kHz | Non-Invasive (Solid Core) | 20 A | 80 mH | - | - | 200CT:1 | - | - | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | 0.700" (17.78mm) | PC Pin |

