Current Sense Transformer BOURNS 055659 Designed for Overload Sensing and Motor Control Applications

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Product Description

Model 0556xx Series Current Sense Transformers

The Model 0556xx Series Current Sense Transformers are designed for accurate current measurement in various electronic applications. These transformers feature an integrated primary current path and offer a wide turns ratio range from 1:50 to 1:2500, with rated currents up to 40 A. They provide reinforced insulation and are RoHS compliant and halogen-free. 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
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	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

Specification	Value
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)

A	AII	EII	AI	Overall Length	Overall Width	Overall Height	Lead Diameter	Lead Spacing 1	Lead Spacing 2
12.60 0.50 (.496 .020)	18.00 (.709)	23.5 MAX. (.925)	27 MAX. (1.063)	-	-	-	0.60 SQ. (.024)	3.00 DIA. (.118)	17.5 MAX. (.689)
-	-	-	-	8.89 0.50 (.350 .020)	3.50 0.50 (.138 .020)	10.16 0.50 (.400 .020)	-	-	-

Solder Profile

Parameter	Value
Assembly Type	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.