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.
Parts in this category
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| Part & Mfr | Current Rating (Amps) | Current Ratio | DC Resistance (DCR) | ET (Volt | Frequency Range | Height | Inductance | Mounting Type | Ratings | Size | Termination Style | Turns Ratio | Type | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Amgis, LLC
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- | - | - | - | - | 0.709" (18.00mm) | - | - | - | 0.571" L x 0.772" W (14.50mm x 19.60mm) | - | - | - | |
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Amgis, LLC
|
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- | - | - | - | - | 0.709" (18.00mm) | - | - | - | 0.571" L x 0.772" W (14.50mm x 19.60mm) | - | - | - | |
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Eaton - Electronics Division
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15 A | - | 3.9mOhm Primary, 5.2Ohm Secondary Max | - | 50kHz ~ 1MHz | 0.307" (7.80mm) | 8.7 mH | Surface Mount | AEC-Q200 | 0.512" L x 0.433" W (13.00mm x 11.00mm) | Gull Wing | 125:1 | Invasive | |
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Eaton - Electronics Division
|
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15 A | - | 3.9mOhm Primary, 210mOhm Secondary Max | - | 50kHz ~ 1MHz | 0.307" (7.80mm) | 220 µH | Surface Mount | AEC-Q200 | 0.512" L x 0.433" W (13.00mm x 11.00mm) | Gull Wing | 20:1 | Invasive | |
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Eaton - Electronics Division
|
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15 A | - | 3.9mOhm Primary, 8Ohm Secondary Max | - | 50kHz ~ 1MHz | 0.307" (7.80mm) | 22 mH | Surface Mount | AEC-Q200 | 0.512" L x 0.433" W (13.00mm x 11.00mm) | Gull Wing | 200:1 | Invasive | |
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Eaton - Electronics Division
|
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7 A | - | 3mOhm Primary, 13Ohm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 1.28 mH | Surface Mount | - | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 125:1 | Invasive | |
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Eaton - Electronics Division
|
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7 A | - | 3mOhm Primary, 3.6Ohm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 295 µH | Surface Mount | - | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 60:1 | Invasive | |
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Eaton - Electronics Division
|
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7 A | - | 3mOhm Primary, 1.6Ohm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 132 µH | Surface Mount | - | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 40:1 | Invasive | |
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Eaton - Electronics Division
|
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7 A | - | 3mOhm Primary, 800mOhm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 74 µH | Surface Mount | - | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 30:1 | Invasive | |
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Eaton - Electronics Division
|
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7 A | - | 3mOhm Primary, 350mOhm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 33 µH | Surface Mount | - | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 20:1 | Invasive | |
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Eaton - Electronics Division
|
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7 A | - | 3mOhm Primary, 21Ohm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 1.8 mH | Surface Mount | - | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 150:1 | Invasive | |
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Talema
|
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15 A | 2500:1 | 330Ohm Max | - | - | 0.803" (20.40mm) | - | Through Hole | - | 0.677" L x 0.375" W (17.20mm x 9.53mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Amgis, LLC
|
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- | - | - | - | - | 0.984" (25.00mm) | - | - | - | 0.906" L x 0.610" W (23.00mm x 15.50mm) | - | - | - | |
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TDK Corporation
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
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Talema
|
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- | - | - | - | 50/60Hz | 0.984" (25.00mm) | - | - | - | 0.906" L x 0.610" W (23.00mm x 15.50mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Amgis, LLC
|
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- | - | - | - | - | 0.709" (18.00mm) | - | - | - | 0.571" L x 0.772" W (14.50mm x 19.60mm) | - | - | - | |
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Triad Magnetics
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35 A | 50:1 | 340mOhm Max | 500VµS | 20kHz ~ 200kHz | 0.915" (23.24mm) | 3.5 mH | Through Hole | - | 0.690" L x 0.385" W (17.53mm x 9.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Triad Magnetics
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35 A | 50CT:1 | 340mOhm Max | 500VµS | 20kHz ~ 200kHz | 0.915" (23.24mm) | 3.5 mH | Through Hole | - | 0.690" L x 0.385" W (17.53mm x 9.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Triad Magnetics
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25 A | 100CT:1 | 1.55Ohm Max | 1000VµS | 20kHz ~ 200kHz | 0.915" (23.24mm) | 14 mH | Through Hole | - | 0.690" L x 0.385" W (17.53mm x 9.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Triad Magnetics
|
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25 A | 200:1 | 3.75Ohm Max | 2000VµS | 20kHz ~ 200kHz | 0.915" (23.24mm) | 55 mH | Through Hole | - | 0.690" L x 0.385" W (17.53mm x 9.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Triad Magnetics
|
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25 A | 200CT:1 | 3.75Ohm Max | 2000VµS | 20kHz ~ 200kHz | 0.915" (23.24mm) | 55 mH | Through Hole | - | 0.690" L x 0.385" W (17.53mm x 9.78mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Eaton - Electronics Division
|
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Price and Stock
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7 A | - | 3Ohm Primary, 1.6Ohm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 132 µH | Surface Mount | AEC-Q200 | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 40:1 | Invasive | |
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Eaton - Electronics Division
|
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7 A | - | 3Ohm Primary, 800mOhm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 74 µH | Surface Mount | AEC-Q200 | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 30:1 | Invasive | |
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Eaton - Electronics Division
|
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Price on request
Price and Stock
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7 A | - | 3Ohm Primary, 13Ohm Secondary Max | - | 50kHz ~ 1MHz | 0.140" (3.55mm) | 1.28 mH | Surface Mount | AEC-Q200 | 0.189" L x 0.144" W (4.80mm x 3.65mm) | J Lead | 125:1 | Invasive | |
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Verivolt LLC
|
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- | - | - | - | 20Hz ~ 30kHz | - | - | Free Hanging (In-Line) | - | - | Wire Leads with Connector | - | Non-Invasive (Split Core) | |
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Selec Controls USA Inc.
|
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100 A | 100:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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Price on request
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200 A | 200:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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300 A | 300:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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400 A | 400:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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150 A | 150:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Littelfuse Inc.
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500 A | 500:5 | - | - | - | - | - | Free Hanging (In-Line) | - | - | Wire Leads | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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Price on request
Price and Stock
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50 A | 50:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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40 A | 40:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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Price on request
Price and Stock
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30 A | 30:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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75 A | 75:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
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100 A | 100:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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Price on request
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500 A | 500:5 | - | - | 50Hz ~ 60Hz | 4.740" (120.40mm) | - | DIN Rail | - | 3.976" L x 2.047" W (101.00mm x 52.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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600 A | 600:5 | - | - | 50Hz ~ 60Hz | 4.740" (120.40mm) | - | DIN Rail | - | 3.976" L x 2.047" W (101.00mm x 52.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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800 A | 800:5 | - | - | 50Hz ~ 60Hz | 4.740" (120.40mm) | - | DIN Rail | - | 3.976" L x 2.047" W (101.00mm x 52.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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1000 A | 1000:5 | - | - | 50Hz ~ 60Hz | 4.740" (120.40mm) | - | DIN Rail | - | 3.976" L x 2.047" W (101.00mm x 52.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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1200 A | 1200:5 | - | - | 50Hz ~ 60Hz | 4.740" (120.40mm) | - | DIN Rail | - | 3.976" L x 2.047" W (101.00mm x 52.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Yageo
|
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250 A | 2000:1 | - | - | 50Hz ~ 60Hz | 2.161" (54.90mm) | - | Chassis Mount | - | 2.276" L x 1.220" W (57.80mm x 31.00mm) | Wire Leads with Connector | - | Non-Invasive (Split Core) | |
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Carlo Gavazzi
|
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200 A | - | - | - | 48Hz ~ 62Hz | 2.567" (65.20mm) | - | DIN Rail | - | 1.811" L x 1.732" W (46.00mm x 44.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Mueller Electric Co
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5 A | 200:5 | - | - | 400Hz | 1.250" (31.75mm) | - | Free Hanging (In-Line) | - | 3.500" Dia (88.90mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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Mueller Electric Co
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5 A | 50:5 | - | - | 400Hz | 1.250" (31.75mm) | - | Free Hanging (In-Line) | - | 3.875" Dia (98.43mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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Mueller Electric Co
|
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5 A | 1000:5 | - | - | 400Hz | 1.250" (31.75mm) | - | Free Hanging (In-Line) | - | 4.000" Dia (101.60mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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Mueller Electric Co
|
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5 A | 25:5 | - | - | 400Hz | 1.688" (42.86mm) | - | Free Hanging (In-Line) | - | 6.500" Dia (165.10mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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Carlo Gavazzi
|
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21 A | - | - | - | - | 1.929" (49.00mm) | - | DIN Rail | - | 2.283" L x 8.701" W (58.00mm x 221.00mm) | - | - | Non-Invasive (Split Core) | |
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Pulse Electronics
|
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10 A | - | 3mOhm Primary, 1.62Ohm Secondary Max | - | - | 0.346" (8.80mm) | 2 mH | Surface Mount | - | - | Gull Wing | 1.65 | Invasive | |
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Pulse Electronics
|
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20 A | - | 0.75mOhm Primary, 4.75Ohm Secondary | - | 50kHz ~ 1MHz | 0.217" (5.50mm) | 980 µH | Surface Mount | AEC-Q200 | 0.284" L x 0.330" W (7.21mm x 8.38mm) | Gull Wing | 1:70 | Invasive |
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