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Specifications
Rated input Current:
10A
Frequency Range:
50kHz~1MHz
DCR Primary Side (Max):
700mΩ
Mfr. Part #:
SCS-1253K
Package:
SMD-8P,8.4x8mm
Key Attributes
Model Number:
SCS-1253K
Product Description
Product Overview
The Bel Fuse SCS Series High Frequency SMD Current Sensing Transformers are a new line of surface mount components designed for detecting current flow in application conductors. These transformers offer a cost-effective, low-loss method for accurately sensing current in power supply circuits, feedback control, safety and control circuits, and DC to DC converters/chargers. They are ideal for high-frequency voltage regulators and switch mode power supplies, providing a non-invasive current measurement solution.Product Attributes
- Brand: Bel Fuse (Signal Transformer)
- Series: SCS Series
- Technology: Surface Mount Technology (SMT)
- Core Material: EE Core
- Certifications: RoHS Compliant
- Customization: Custom versions available upon request
Technical Specifications
| Specification | Details |
|---|---|
| Core Type | EE Core, 5.0 |
| Frequency Range | 50 kHz to 1 MHz |
| Sensed Current Primary Rating | Up to 10 Amps |
| Temperature Rise | Less than 40C above 25C ambient at 10A primary current. Higher current causes increased rise. |
| Operating Temperature Range | -40 C to +125 C |
| Storage Conditions | Below 35 C and 35-65% RH for over 1 year may deteriorate solderability. Recommended storage: 10-30 Deg C, 35-65% RH or less for less than 12 months. |
| DC Resistance (Primary) | Very low |
| Designed for Automatic Pick and Place | Yes |
| Hi-Pot Pri-Sec (VAC) | 500 (at 0.5 mA, 3 s, 50 Hz) |
| Mechanical Dimensions (SCS Series) | A Max: 8.38 mm, B Max: 8.0 mm, C Max: 5.5 mm, D 0.3: 185, E 0.1: 0.6, F 0.2: 0.25, G 0.2: 0.7 |
| Pad Layout Dimensions | 1.2, 1.85, 2.7, 2.7, 1.6, 1.3, 1.3, 3.0 |
| Tape and Reel Quantity | 1000 pcs per reel |
| Tape and Reel Dimensions | Tape Width: 12.0 mm, Reel Diameter: 330 mm |
Specific Part Numbers and Electrical Specifications
| Part Number | Turns Ratio Sec : Pri | Secondary Inductance @ 100 kHz 0.1 V (uH) Min | Max. Sec DCR Ref () | Pri Max (m) | Primary Current (A) Max. |
|---|---|---|---|---|---|
| SCS-2080 | 20:1 | 80 | 0.40 | 0.70 | 10 |
| SCS-30180 | 30:1 | 180 | 0.87 | 0.70 | 10 |
| SCS-40320 | 40:1 | 320 | 1.14 | 0.70 | 10 |
| SCS-50500 | 50:1 | 500 | 1.85 | 0.70 | 10 |
| SCS-60730 | 60:1 | 730 | 2.30 | 0.70 | 10 |
| SCS-70980 | 70:1 | 980 | 4.75 | 0.70 | 10 |
| SCS-1002K | 100:1 | 2000 | 5.50 | 0.70 | 10 |
| SCS-1253K | 125:1 | 3000 | 11.5 | 0.70 | 10 |
Applications
- Switching power supplies
- Feedback control
- Overload sensing
- Motor control
- Load drop/shut down detection
2411192347_Bel-Fuse-SCS-1253K_C5905567.pdf
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