Model 0556xx Series Current Sense Transformers
The Model 0556xx Series Current Sense Transformers are designed for accurate current measurement in various industrial applications. These transformers feature an integrated primary current path, a wide turns ratio range from 1:50 to 1:2500, and a rated current capability of up to 40 A. They offer reinforced insulation for enhanced safety and are RoHS compliant and halogen-free. Ideal for use in switched-mode power supplies, motor control, overload sensing, and general AC current applications.
Product Attributes
- Brand: Bourns
- Certifications: RoHS compliant, Halogen Free
- Materials: Ferrite (Core), Nanocrystalline (Core), Enameled copper (Wire)
- Terminal Finish: Sn
- Packaging: 120 pcs. per tray
Technical Specifications
| Bourns Part Number | Turns Ratio | Frequency Range | Current Rating | Inductance | Volt-time Product on Secondary | Max. DC Resistance |
|---|---|---|---|---|---|---|
| 055650 | 50:1 | 10-300 kHz | 0.1-40 A | 6 mH | 180 V-s | 0.140 |
| 055651 | 100:1 | 10-300 kHz | 24 mH | 360 V-s | 0.47 | |
| 055652 | 200:1 | 10-300 kHz | 96 mH | 715 V-s | 1.8 | |
| 055653 | 300:1 | 10-300 kHz | 216 mH | 1070 V-s | 3.4 | |
| 055654 | 400:1 | 10-300 kHz | 384 mH | 1430 V-s | 5.7 | |
| 055655 | 500:1 | 10-300 kHz | 600 mH | 1785 V-s | 9.4 | |
| 055656 | 600:1 | 10-300 kHz | 864 mH | 2140 V-s | 13.5 | |
| 055657 | 1000:1 | 10-300 kHz | 2400 mH | 3570 V-s | 35 | |
| 055658 | 1000:1 | 50 Hz | 30 H | 6.4 V-ms | 25 | |
| 055659 | 1500:1 | 50 Hz | 67.5 H | 9.5 V-ms | 52 | |
| 055660 | 2000:1 | 50 Hz | 120 H | 12.7 V-ms | 100 | |
| 055661 | 2500:1 | 50 Hz | 187.5 H | 15.9 V-ms | 135 | |
| 055662 | 50:1 | 0.2-3 MHz | 0.77 mH | 180 V-s | 0.140 | |
| 055663 | 100:1 | 0.2-3 MHz | 3.1 mH | 360 V-s | 0.47 | |
| 055664 | 200:1 | 0.2-3 MHz | 12.4 mH | 715 V-s | 1.8 |
| General Specifications | |
|---|---|
| Operation Temperature | -30 to +125 (Temperature Rise Included) |
| Storage Temperature | -40 to +85 |
| Temperature Rise | 40 C at rated Irms |
| Rated Current | 0.1 to 40 A |
Product Dimensions
Dimensions: MM (INCHES)
| AII | EII | EI | AI | 12.60 0.50 (.496 .020) | 18.00 (.709) | 23.5 (.925) MAX. | 27 (1.063) MAX. | 0.60 (.024) SQ. | 3.00 (.118) DIA. | 17.5 (.689) MAX. | 8.89 0.50 (.350 .020) | 3.50 0.50 (.138 .020) | 10.16 0.50 (.400 .020) |
Solder Profile
| Pb-Free Assembly | |
|---|---|
| Average ramp-up rate | ~ 200 C/second |
| Heating rate during preheat | typical 1-2 /second max. 4 /second |
| Final preheat temperature | within 125 C of soldering temperature |
| Peak temperature (Tp) | 260 C |
| Time within +0 C / -5 C of actual peak temperature | 10 seconds |
| Ramp-down rate | 5 C/second max. |
Note: Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
2411192316_BOURNS-055662_C19945830.pdf
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