Model 0556xx Series Current Sense Transformers
The Model 0556xx Series Current Sense Transformers are designed for accurate current measurement in various industrial applications. Featuring an integrated primary current path and reinforced insulation, these transformers offer a wide turns ratio range from 1:50 to 1:2500 and a rated current up to 40 A. They are RoHS compliant and halogen free, making them suitable for environmentally conscious designs. Applications include switched-mode power supplies, motor control, overload sensing, and general AC current applications.
Product Attributes
- Brand: Bourns
- Certifications: RoHS compliant, Halogen free
- Materials: Ferrite, nanocrystalline core; Enameled copper wire; Sn terminal finish
- 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 | 0.1-40 A | 24 mH | 360 V-s | 0.47 |
| 055652 | 200:1 | 10-300 kHz | 0.1-40 A | 96 mH | 715 V-s | 1.8 |
| 055653 | 300:1 | 10-300 kHz | 0.1-40 A | 216 mH | 1070 V-s | 3.4 |
| 055654 | 400:1 | 10-300 kHz | 0.1-40 A | 384 mH | 1430 V-s | 5.7 |
| 055655 | 500:1 | 10-300 kHz | 0.1-40 A | 600 mH | 1785 V-s | 9.4 |
| 055656 | 600:1 | 10-300 kHz | 0.1-40 A | 864 mH | 2140 V-s | 13.5 |
| 055657 | 1000:1 | 10-300 kHz | 0.1-40 A | 2400 mH | 3570 V-s | 35 |
| 055658 | 1000:1 | 50 Hz | 0.1-40 A | 30 H | 6.4 V-ms | 25 |
| 055659 | 1500:1 | 50 Hz | 0.1-40 A | 67.5 H | 9.5 V-ms | 52 |
| 055660 | 2000:1 | 50 Hz | 0.1-40 A | 120 H | 12.7 V-ms | 100 |
| 055661 | 2500:1 | 50 Hz | 0.1-40 A | 187.5 H | 15.9 V-ms | 135 |
| 055662 | 50:1 | 0.2-3 MHz | 0.1-40 A | 0.77 mH | 180 V-s | 0.140 |
| 055663 | 100:1 | 0.2-3 MHz | 0.1-40 A | 3.1 mH | 360 V-s | 0.47 |
| 055664 | 200:1 | 0.2-3 MHz | 0.1-40 A | 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
Dimensions: MM (INCHES)
- AII EII EI AI: 12.60 0.50 (.496 .020)
- Overall Length: 18.00 (.709) MAX.
- Overall Width: 23.5 (.925) MAX.
- Overall Height: 27 (1.063) MAX.
- Lead Diameter: 0.60 (.024) SQ.
- Mounting Hole Diameter: 3.00 (.118) DIA.
- Internal Dimension: 17.5 (.689) MAX.
- Dimension 1: 8.89 0.50 (.350 .020)
- Dimension 2: 3.50 0.50 (.138 .020)
- Dimension 3: 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.
Contact Information
- Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus@bourns.com
- EMEA: Tel: +36 88 885 877 Email: eurocus@bourns.com
- The Americas: Tel: +1-951 781-5500 Email: americus@bourns.com
- Website: www.bourns.com
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
2411192316_BOURNS-055660_C19945828.pdf
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