SCS BEL | Alldatasheet
Document overview
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Technical content
belfuse.com/signal SCS Series High Frequency SMD Current Sensing Transformers The SCS Series is an entirely new line in our high frequency transformer product line offering. These surface mount components are used for detecting the current passing directly through an applications conductor. They can accurately sense current flow in power supply circuits through a non-invasive way, along with safety and control circuits. The current sensor can be used in a variety of applications including feedback control, load drop/shutdown protection, safety/control circuits and power supply DC to DC converters/chargers. They present a cost effective low loss approach to measuring currents in high frequency voltage regulators and switch mode power supplies General Features
- Very low DC resistance
- Different turns ratios
- Designed for automatic pick and place
- Surface mount technology Specifications
- EE Core, 5.0
- Frequency range 50 kHz to 1 MHz
- Sensed current primary rating up to 10 Amps
- Primary current of 10 A causes less than 40°C temperature rise above 25°C ambient. Higher current causes an increased temperature rise
- Operating Temperature Range: -40 °C to +125 °C
- Storage conditions: If the product is preserved for more than 1 year below 35 °C and humidity 35-65% RH, the solderability of the terminals may deteriorate
Applications
- Switching power supplies
- Feedback control
- Overload sensing
- Motor control
- Load drop/shut down detection RoHS Compliant
belfuse.com/signal
128 Atlantic Avenue, Lynbrook, NY 11563
Toll Free 866-239-5777 | Tel 516-239-5777 | Fax 516-239-7208 sales@signaltransformer.com | techhelp@signaltransformer.com Custom versions available upon request. © 2022 Signal Transformer Specifications subject to change without notice. SCS Series August 24 2022 SCS Series RoHS Compliant PRODUCT IDENTIFICATION SCS - 100 2K (1) (2) (3) (1) Type: Surface Mount Devices (2) Secondary turns: 100 (3) Secondary inductance: 2K = 2000 MECHANICAL SPECIFICATIONS Dimensions are in mm. SERIES A Max B Max C Max D ± 0.3 E ± 0.1 F ± 0.2 G ± 0.2 Pr i Sec N1=1Ts N2=NX Ts SCHEMATIC PAD LAYOUT 1.2 1.85 2.72.7 1.61.31.3 3.0 3 7 4 6.4 A G F EPOXY B C ED BOTTOM VIEW FRONT VIEW SIDE VIEW TAPE 8 1 2 3 7 8 7 1 2 3 6 5 4 2.0 0.15mm START POINT
belfuse.com/signal Toll Free 866-239-5777 | Tel 516-239-5777 | Fax 516-239-7208 sales@signaltransformer.com | techhelp@signaltransformer.com Custom versions available upon request. © 2022 Signal Transformer Specifications subject to change without notice. SCS Series August 24 2022 SCS Series RoHS Compliant ELECTRICAL SPECIFICATIONS Electrical specifications for all part numbers measured at 25°C unless otherwise stated. Part Number Turns ratio Sec : Pri Secondary Inductance @ 100 kHz
0.1 V (uH) Min
Pri-Sec * (VAC) Primary Current (A) Max.Sec Max (Ω) Pri Ref (mΩ) 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 * @ 0.5 mA, 3 s, 50 Hz TEMPERATURE RISE VS CURRENT DC Current [A] Temperature [°C] 0 1 2 3 4 5 6 7 8 9 10 11 12 105
- Test equipment Inductance measured at 0 ADC on HP 4284A LCR meter or equivalent DCR measured on Chroma 16502 micro-OHM meter or equivalent
belfuse.com/signal Toll Free 866-239-5777 | Tel 516-239-5777 | Fax 516-239-7208 sales@signaltransformer.com | techhelp@signaltransformer.com Custom versions available upon request. © 2022 Signal Transformer Specifications subject to change without notice. SCS Series August 24 2022 SCS Series RoHS Compliant TAPE AND REEL SPECIFICATIONS COVER TAPE CARRIER TAPE LABEL USER DIRECTION OF FEED 12.0 16.0 xxxxxxxxx 4.0 Ø 1.5 330 Notes 1. Each reel: 1000 pcs 2. TAPE TRAILER 160~220 mm. 3. TAPE LEADER 388~428 mm. 4. The packaging shown on specification could be done by methods and requirements of similar products. 5. There may be slight differences between packaging picture and the real package. Notes: 1. In general, the printing direction of the product is not fixed, but the electrode direction is fixed, unless otherwise specified 2. The storage period is less than 12 months, Be sure to follow the storage conditions (temperature: 10-30 Deg. humidity: 35 to 65% RH or less). If the storage period elapses the soldering of the terminal electrodes may deteriorate. 3. Tape and Reel specification compliant with EIA -481.
belfuse.com/signal For more information, please contact us:
128 Atlantic Avenue
Lynbrook, NY 11563 Toll Free +1 866-239-5777 Tel +1 516-239-5777 Fax +1 516-239-7208 sales@signaltransformer.com techhelp@signaltransformer.com About Signal Transformer Signal Transformer is known as the world's leader of wire wound magnetic solutions since 1959. With over 50 years of experience manufacturing transformers, chokes, inductors and custom or modified standard products. Signal offers not only the most comprehensive line of certified standard power conversion products, with our vast engineering, manufacturing and regulatory resources; Signal Transformer excels in the design and manufacturer of cost effective, specialized platforms. © 2022 Signal Transformer Specifications subject to change without notice. SCS Series August 24 2022