What are Current Sense Transformers ?
Current Sense Transformers are devices designed to measure the current flowing through a conductor while providing electrical isolation. They are commonly used in applications like production electronics assembly and maintenance. Important specifications include Current Rating (Amps), which determines the maximum current the transformer can handle; Current Ratio, which affects the output signal relative to the input current; and DC Resistance (DCR), which impacts efficiency and heat generation. Ensuring compatibility with existing designs and validating lifecycle status are crucial for procurement teams.
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| Part & Mfr | Current Rating (Amps) | Current Ratio | DC Resistance (DCR) | ET (Volt | Frequency Range | Height | Inductance | Mounting Type | Size | Termination Style | Turns Ratio | Type | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Verivolt LLC
|
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- | - | - | - | 2Hz ~ 50kHz | - | - | Free Hanging (In-Line) | - | Wire Leads with Connector | - | Non-Invasive (Solid Core) | |
|
Pulse Electronics
|
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20 A | 50CT:1 | 50Ohm Primary, 700mOhm Secondary | - | 20kHz ~ 200kHz | 0.700" (17.78mm) | 5 mH | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | PC Pin | - | Invasive | |
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Pulse Electronics
|
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35 A | - | 0.42mOhm Primary, 700mOhm Secondary | - | 50kHz ~ 500kHz | 0.394" (10.00mm) | 1.4 mH | Surface Mount | 0.591" L x 0.784" W (15.00mm x 19.91mm) | Gull Wing | 50:1 | Invasive | |
|
TDK Corporation
|
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7 A | - | 2.5mOhm Primary, 4.6Ohm Secondary | 20VµS | 50kHz ~ 1MHz | 0.138" (3.50mm) | 400 µH | Surface Mount | 0.185" L x 0.138" W (4.70mm x 3.50mm) | J Lead | 1:70 | Invasive | |
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Pulse Electronics
|
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15 A | - | 1.15mOhm Primary, 380mOhm Secondary | - | 50kHz ~ 500kHz | 0.280" (7.11mm) | 3.8 mH | Surface Mount | 0.495" L x 0.490" W (12.57mm x 12.45mm) | - | 1:1:50 | Invasive | |
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Pulse Electronics
|
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- | - | 6mOhm | - | 50kHz ~ 1MHz | 0.217" (5.50mm) | - | Surface Mount | 0.284" L x 0.330" W (7.21mm x 8.38mm) | - | 1:50 | Invasive | |
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Pulse Electronics
|
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35 A | - | 2.8mOhm Primary, 1.4Ohm Secondary | - | 50kHz ~ 500kHz | 0.394" (10.00mm) | 5.6 mH | Surface Mount | 0.784" L x 0.570" W (19.91mm x 14.48mm) | Gull Wing | 100:1 | Invasive | |
|
Pulse Electronics
|
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35 A | - | 2.8mOhm Primary, 2.9Ohm Secondary | - | 50kHz ~ 500kHz | 0.394" (10.00mm) | 22.4 mH | Surface Mount | 0.784" L x 0.570" W (19.91mm x 14.48mm) | Gull Wing | 200:1 | Invasive | |
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Pulse Electronics
|
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20 A | 50:1 | - | - | 20kHz ~ 200kHz | 0.700" (17.78mm) | 5 mH | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Pulse Electronics
|
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20 A | 100:1 | - | - | 20kHz ~ 200kHz | 0.700" (17.78mm) | 20 mH | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Pulse Electronics
|
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20 A | 100CT:1 | - | - | 20kHz ~ 200kHz | 0.700" (17.78mm) | 20 mH | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Pulse Electronics
|
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20 A | 200CT:1 | - | - | 20kHz ~ 200kHz | 0.700" (17.78mm) | 80 mH | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Pulse Electronics
|
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20 A | 50:1 | - | - | 20kHz ~ 200kHz | 0.700" (17.78mm) | 5 mH | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Verivolt LLC
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | 2Hz ~ 50kHz | - | - | Free Hanging (In-Line) | - | Wire Leads with Connector | - | Non-Invasive (Solid Core) | |
|
Pulse Electronics
|
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20 A | 200:1 | - | - | 20kHz ~ 200kHz | 0.700" (17.78mm) | 80 mH | Through Hole | 0.900" L x 0.700" W (22.86mm x 17.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Pulse Electronics
|
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35 A | 50:1 | 700mOhm Secondary Max | - | 10kHz ~ 200kHz | 0.750" (19.05mm) | 5 mH | Through Hole | 0.750" L x 0.565" W (19.05mm x 14.35mm) | PC Pin | - | Invasive | |
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Pulse Electronics
|
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37 A | 100:1 | 1.4Ohm Secondary Max | - | 10kHz ~ 200kHz | 0.750" (19.05mm) | 20 mH | Through Hole | 0.750" L x 0.565" W (19.05mm x 14.35mm) | PC Pin | - | Invasive | |
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Pulse Electronics
|
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15 A | - | 1.15mOhm Primary, 930mOhm Secondary | - | 50kHz ~ 500kHz | 0.280" (7.11mm) | 14.8 mH | Surface Mount | 0.495" L x 0.490" W (12.57mm x 12.45mm) | - | 1:1:100 | Invasive | |
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Phoenix Contact
|
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400 A | - | - | - | 50Hz ~ 60Hz | 5.197" (132.00mm) | - | DIN Rail | 4.134" L x 1.181" W (105.00mm x 30.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Pulse Electronics
|
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- | - | 65mOhm Secondary Max | - | - | 0.235" (5.97mm) | 350 µH | Surface Mount | 0.500" L x 0.280" W (12.70mm x 7.11mm) | Gull Wing | 1.414CT:1 | Invasive | |
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Pulse Electronics
|
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- | - | 65mOhm Secondary Max | - | - | 0.236" (5.99mm) | 350 µH | Surface Mount | 0.500" L x 0.358" W (12.70mm x 9.09mm) | Gull Wing | 1.414CT:1 | Invasive | |
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Pulse Electronics
|
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- | - | 65mOhm Secondary Max | - | - | 0.236" (5.99mm) | 350 µH | Surface Mount | 0.500" L x 0.358" W (12.70mm x 9.09mm) | Gull Wing | 1.414CT:1 | Invasive | |
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Nidec
|
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30 A | 3000:1 | - | - | 10Hz ~ 5kHz | 1.220" (31.00mm) | - | Free Hanging (In-Line) | 0.760" L x 1.039" W (19.30mm x 26.40mm) | Wire Leads | - | Non-Invasive (Split Core) | |
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Nidec
|
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60 A | 3000:1 | - | - | 10Hz ~ 5kHz | 1.705" (43.30mm) | - | Free Hanging (In-Line) | 1.039" L x 1.004" W (26.40mm x 25.50mm) | Wire Leads | - | Non-Invasive (Split Core) | |
|
Verivolt LLC
|
Send RFQ |
Price on request
Price and Stock
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- | - | - | - | 2Hz ~ 50kHz | - | - | Free Hanging (In-Line) | - | Wire Leads with Connector | - | Non-Invasive (Solid Core) | |
|
Nidec
|
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100 A | 3000:1 | - | - | 10Hz ~ 5kHz | 1.819" (46.20mm) | - | Free Hanging (In-Line) | 1.280" L x 1.201" W (32.50mm x 30.50mm) | Wire Leads | - | Non-Invasive (Split Core) | |
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Nidec
|
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200 A | 3000:1 | - | - | 10Hz ~ 5kHz | 2.740" (69.60mm) | - | Free Hanging (In-Line) | 1.906" L x 1.398" W (48.40mm x 35.50mm) | Wire Leads | - | Non-Invasive (Split Core) | |
|
Phoenix Contact
|
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800 A | - | - | - | 50Hz ~ 60Hz | 4.764" (121.00mm) | - | DIN Rail | 3.740" L x 3.740" W (95.00mm x 30.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Phoenix Contact
|
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1000 A | - | - | - | 50Hz ~ 60Hz | 4.764" (121.00mm) | - | DIN Rail | 3.740" L x 3.740" W (95.00mm x 30.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Phoenix Contact
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1250 A | - | - | - | 50Hz ~ 60Hz | 4.764" (121.00mm) | - | DIN Rail | 3.740" L x 1.181" W (95.00mm x 30.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Phoenix Contact
|
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1500 A | - | - | - | 50Hz ~ 60Hz | 4.764" (121.00mm) | - | DIN Rail | 3.740" L x 1.181" W (95.00mm x 30.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Phoenix Contact
|
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1600 A | - | - | - | 50Hz ~ 60Hz | 4.764" (121.00mm) | - | DIN Rail | 3.740" L x 1.181" W (95.00mm x 30.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Pulse Electronics
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
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Phoenix Contact
|
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75 A | - | - | - | 50Hz ~ 60Hz | 3.150" (80.00mm) | - | DIN Rail | 2.362" L x 1.181" W (60.00mm x 30.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
|
Murata
|
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15 A | - | 2.3mOhm Primary, 350mOhm Secondary | - | 50kHz ~ 500kHz | 0.280" (7.10mm) | 3.8 mH | Surface Mount | 0.575" L x 0.496" W (14.60mm x 12.60mm) | - | 1:1:50 | Invasive | |
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Murata
|
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15 A | - | 2.3mOhm Primary, 850mOhm Secondary | - | 50kHz ~ 500kHz | 0.280" (7.10mm) | 14.8 mH | Surface Mount | 0.575" L x 0.496" W (14.60mm x 12.60mm) | - | 1:1:100 | Invasive | |
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Murata
|
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15 A | - | 2.3mOhm Primary, 3.6Ohm Secondary | - | 50kHz ~ 500kHz | 0.280" (7.10mm) | 60 mH | Surface Mount | 0.575" L x 0.496" W (14.60mm x 12.60mm) | - | 1:1:200 | Invasive | |
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Murata
|
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5 A | 75:5 | - | - | 50Hz ~ 400Hz | 1.402" (35.60mm) | - | Free Hanging (In-Line) | 2.700" Dia (68.60mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Murata
|
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5 A | 150:5 | - | - | 50Hz ~ 400Hz | 1.402" (35.60mm) | - | Free Hanging (In-Line) | 2.700" Dia (68.60mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Verivolt LLC
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | 2Hz ~ 50kHz | - | - | Free Hanging (In-Line) | - | Wire Leads with Connector | - | Non-Invasive (Solid Core) | |
|
Murata
|
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5 A | 250:5 | - | - | 50Hz ~ 400Hz | 1.402" (35.60mm) | - | Free Hanging (In-Line) | 2.700" Dia (68.60mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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Murata
|
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5 A | 600:5 | - | - | 50Hz ~ 400Hz | 4.500" (114.30mm) | - | Free Hanging (In-Line) | 1.130" Dia (28.70mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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Murata
|
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5 A | 750:5 | - | - | 50Hz ~ 400Hz | 4.500" (114.30mm) | - | Free Hanging (In-Line) | 1.130" Dia (28.70mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Murata
|
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5 A | 1000:5 | - | - | 50Hz ~ 400Hz | 4.500" (114.30mm) | - | Free Hanging (In-Line) | 1.130" Dia (28.70mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Murata
|
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5 A | 1500:5 | - | - | 50Hz ~ 400Hz | 4.500" (114.30mm) | - | Free Hanging (In-Line) | 1.130" Dia (28.70mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Murata
|
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5 A | 2000:5 | - | - | 50Hz ~ 400Hz | 4.500" (114.30mm) | - | Free Hanging (In-Line) | 1.130" Dia (28.70mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
TDK Corporation
|
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7 A | - | 2.5mOhm Primary, 21Ohm Secondary | 43.2VµS | 50kHz ~ 1MHz | 0.138" (3.50mm) | 1.84 mH | Surface Mount | 0.185" L x 0.138" W (4.70mm x 3.50mm) | J Lead | 1:150 | Invasive | |
|
TDK Corporation
|
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- | - | - | - | - | 0.567" (14.40mm) | - | - | 0.504" L x 0.535" W (12.80mm x 13.60mm) | - | - | - | |
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Pulse Electronics
|
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4 A | - | 4mOhm Primary, 1.6Ohm Secondary | - | 50kHz ~ 1MHz | 0.124" (3.15mm) | 6.7 mH | Surface Mount | 0.285" L x 0.352" W (7.25mm x 8.25mm) | - | 1:100 | Invasive | |
|
Verivolt LLC
|
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- | - | - | - | 20Hz ~ 30kHz | - | - | Free Hanging (In-Line) | - | Wire Leads with Connector | - | Non-Invasive (Split Core) |
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