Signal SCS Series High Frequency SMD Current Sensing Transformers
Product Overview
The Signal SCS Series represents a new line of high-frequency Surface Mount Device (SMD) current sensing transformers. These components are designed to detect current flow through an application's conductor in a non-invasive manner. They offer a cost-effective, low-loss method for measuring currents in high-frequency voltage regulators and switch-mode power supplies. The SCS Series is suitable for applications such as feedback control, load drop/shutdown protection, safety and control circuits, and power supply DC-to-DC converters and chargers.
Product Attributes
- Brand: Signal Transformer (belfuse.com/signal)
- Technology: Surface Mount Device (SMD)
- Core Material: EE Core
- Compliance: RoHS Compliant
- Customization: Custom versions available upon request
Technical Specifications
General Features
- Very low DC resistance
- Different turns ratios available
- Designed for automatic pick and place
- Surface mount technology
Electrical Specifications
| Part Number | Turns Ratio (Sec : Pri) | Secondary Inductance @ 100 kHz, 0.1 V (uH) Min | Max. Sec DCR () | Pri Ref Max (m) | Hi-Pot Pri-Sec (VAC) | Primary Current (A) Max. |
|---|---|---|---|---|---|---|
| SCS-2080 | 20:1 | 80 | 0.40 | 0.70 | 500 | 10 |
| SCS-30180 | 30:1 | 180 | 0.87 | 0.70 | 500 | 10 |
| SCS-40320 | 40:1 | 320 | 1.14 | 0.70 | 500 | 10 |
| SCS-50500 | 50:1 | 500 | 1.85 | 0.70 | 500 | 10 |
| SCS-60730 | 60:1 | 730 | 2.30 | 0.70 | 500 | 10 |
| SCS-70980 | 70:1 | 980 | 4.75 | 0.70 | 500 | 10 |
| SCS-1002K | 100:1 | 2000 | 5.50 | 0.70 | 500 | 10 |
| SCS-1253K | 125:1 | 3000 | 11.5 | 0.70 | 500 | 10 |
General Specifications
| Specification | Value |
|---|---|
| Core Type | EE Core, 5.0 |
| Frequency Range | 50 kHz to 1 MHz |
| Sensed Current Primary Rating | Up to 10 Amps |
| Temperature Rise (10A Primary) | Less than 40C above 25C ambient |
| Operating Temperature Range | -40 C to +125 C |
| Storage Conditions | Below 35 C and 35-65% humidity for more than 1 year may deteriorate solderability |
Mechanical Specifications
| SERIES | A Max | B Max | C Max | D 0.3 | E 0.1 | F 0.2 | G 0.2 |
|---|---|---|---|---|---|---|---|
| SCS | 8.38 | 8.0 | 5.5 | 185 | 0.6 | 0.25 | 0.7 |
Applications
- Switching power supplies
- Feedback control
- Overload sensing
- Motor control
- Load drop/shut down detection
Tape and Reel Specifications
- Reel Quantity: 1000 pcs
- Tape Trailer Length: 160~220 mm
- Tape Leader Length: 388~428 mm
- Compliant with EIA-481
Contact Information
128 Atlantic Avenue, Lynbrook, NY 11563
Toll Free: +1 866-239-5777 | Tel: +1 516-239-5777 | Fax: +1 516-239-7208
Email: sales@signaltransformer.com | techhelp@signaltransformer.com
2411192347_Bel-Fuse-SCS-1002K_C6999629.pdf
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