Current Sense Transformers
Use the filters and product table below to compare Current Sense Transformers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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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RL-3410CURRENT SENSE XFMR 50:1 5-25KHZ |
200 | - |
|
Datasheet | - | Bulk | Active | 5kHz ~ 25kHz | Non-Invasive (Solid Core) | - | 5 mH | - | 1:50 | 50:1 | 700mOhm Secondary | - | Through Hole | 0.670" L x 0.390" W (17.01mm x 9.90mm) | 0.800" (20.32mm) | PC Pin |
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RL-3420CURRENT SENSE XFMR 100:1 1.5-50K |
200 | - |
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Datasheet | - | Bulk | Active | 5kHz ~ 50kHz | Non-Invasive (Solid Core) | - | 20 mH | - | 1:100 | 100:1 | 1.4Ohm | - | Through Hole | 0.670" L x 0.390" W (17.01mm x 9.90mm) | 0.800" (20.32mm) | PC Pin |
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RL-3430CURRENT SENSE XFMR 200:1 1-100KH |
193 | - |
|
Datasheet | - | Bulk | Active | 1kHz ~ 100kHz | Non-Invasive (Solid Core) | - | 80 mH | - | 1:200 | 200:1 | 4.5Ohm Secondary | - | Through Hole | 0.670" L x 0.390" W (17.01mm x 9.90mm) | 0.800" (20.32mm) | PC Pin |
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RL-7747-1000CURRENT SENSE XFMR 1000:1 TH |
1,000 | - |
|
Datasheet | - | Bulk | Active | 47Hz ~ 400Hz | Invasive | 40 A | - | - | 1000:1 | 1:1000 | 0.3mOhm Primary, 86mOhm Secondary | - | Through Hole | 0.860" L x 0.850" W (21.84mm x 21.59mm) | 0.710" (18.03mm) | PC Pin |
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RL-11385CURRENT SENSE XFMR 100:1 1.75MH |
1,000 | - |
|
Datasheet | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - |
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RL-7747-500CURRENT SENSE XFMR 500:1 TH |
996 | - |
|
Datasheet | - | Bulk | Active | 47Hz ~ 400Hz | Invasive | 40 A | - | - | 500:1 | 1:500 | 0.3mOhm Primary, 21mOhm Secondary | - | Through Hole | 0.860" L x 0.850" W (21.84mm x 21.59mm) | 0.710" (18.03mm) | PC Pin |
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RL-9740-1CURRENT SENSE XFMR 50:1 5MH TH |
1,000 | - |
|
Datasheet | - | Bulk | Active | 10kHz ~ 200kHz | Invasive | - | 5 mH | - | 50:1 | 50:1 | 700mOhm Secondary | - | Through Hole | 0.750" L x 0.565" W (19.05mm x 14.35mm) | 0.750" (19.05mm) | PC Pin |
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RL-9740-2CURRENT SENSE XFMR 100:1 20MH TH |
1,000 | - |
|
Datasheet | - | Bulk | Active | 10kHz ~ 200kHz | Invasive | 37 A | 20 mH | - | 100:1 | 1:100 | 1.4Ohm Secondary | - | Through Hole | 0.750" L x 0.565" W (19.05mm x 14.35mm) | 0.750" (19.05mm) | PC Pin |
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RL-9740-3CURRENT SENSE XFMR 200:1 80MH TH |
994 | - |
|
Datasheet | - | Bulk | Active | 10kHz ~ 200kHz | Invasive | 38 A | 80 mH | - | 200:1 | 1:200 | 4.5Ohm Max | - | Through Hole | 0.750" L x 0.565" W (19.05mm x 14.35mm) | 0.750" (19.05mm) | PC Pin |
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RL-9740-4CURRENT SENSE XFMR 300:1 180MH T |
1,000 | - |
|
Datasheet | - | Bulk | Active | 10kHz ~ 200kHz | Invasive | 37 A | 180 mH | - | 300:1 | 1:300 | 11Ohm Secondary | - | Through Hole | 0.750" L x 0.565" W (19.05mm x 14.35mm) | 0.750" (19.05mm) | PC Pin |
Current Sense Transformers FAQ
Common questions about filtering, comparing and sourcing Current Sense Transformers components.
How can I narrow the Current Sense Transformers selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Current Sense Transformers part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
