Model 0556xx Series Current Sense Transformers
Product Overview
The Model 0556xx Series Current Sense Transformers are designed for accurate current measurement in various electronic applications. Featuring an integrated primary current path and a wide turns ratio range from 1:50 to 1:2500, these transformers support rated currents up to 40 A. They are built with reinforced insulation and are RoHS compliant and halogen-free, making them suitable for demanding environments. Key applications include switched-mode power supplies, motor control, overload sensing, and general AC current measurement.
Product Attributes
- Brand: Bourns
- Certifications: RoHS compliant*, Halogen free**
- Materials: Core - Ferrite, nanocrystalline; Wire - Enameled copper; 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 C to +125 C (Temperature Rise Included) |
| Storage Temperature | -40 C to +85 C |
| Temperature Rise | 40 C at rated Irms |
| Rated Current | 0.1 to 40 A |
| Product Dimensions | |
|---|---|
| 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) | |
| DIMENSIONS | MM (INCHES) |
Solder Profile
| Feature | 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-055652_C19945820.pdf
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