Product Overview
The Bourns 04770x Series Common Mode Chokes are designed for effective noise suppression, offering broadband damping characteristics and excellent attenuation for both symmetric and asymmetric noise. These chokes feature a compact size, glue-free construction, and are compliant with EN 138100 standards. They are suitable for a wide operating temperature range and are RoHS compliant and halogen free, making them ideal for applications such as frequency converters, wall boxes, power supplies, and drives and control circuits.
Product Attributes
- Brand: Bourns
- Compliance: EN 138100 standards
- Construction: Glue-free
- Certifications: RoHS compliant*, Halogen free**
- Core Material: R 31.5/19/12.5 / i=6000
- Base Material: PA66 A3X2G7, PA6
- Spacer Material: PA66 A3X2G7, PA6
Technical Specifications
| Bourns Part Number | Inductance (mH 30 %) | Current Rating (A) | DC Resistance () | Dielectric Strength (kVeff) | Operating Temperature | Storage Temperature |
|---|---|---|---|---|---|---|
| 047700 | 2 x 1.5 | 14 | 0.0073 | 2.5 | -25 C to +125 C | -25 C to +85 C |
| 047701 | 2 x 1.8 | 13 | 0.008 | 2.5 | -25 C to +125 C | -25 C to +85 C |
| 047702 | 2 x 2.2 | 12 | 0.0092 | 2.5 | -25 C to +125 C | -25 C to +85 C |
| 047703 | 2 x 2.7 | 11 | 0.0104 | 2.5 | -25 C to +125 C | -25 C to +85 C |
| 047704 | 2 x 3.3 | 10 | 0.0115 | 2.5 | -25 C to +125 C | -25 C to +85 C |
Product Dimensions
- Overall Height: 36 (1.417) MAX.
- Overall Width: 40 (1.575) MAX.
- Overall Depth: 38 (1.496) MAX.
- Body Height: 22 (.866) MAX.
- Pin Diameter: 1.5 mm
- Pin Spacing: 2.54 (.100)
- Hole Diameter: 2.0 (.079) DIA. 4 PLCS.
Schematic
Windings:
- AI, AII: Start of winding
- EI, EII: End of winding
Packaging Specifications
- Tray: 48 pcs. per tray
How to Order
Order by Model No. 04770x
Typical Part Marking
CW/YY 047700 MANUFACTURER YEAR OF MANUFACTURE MODEL NUMBER CALENDAR WEEK
Applications
- Frequency converters
- Wall boxes
- Power supplies
- Drives and control circuits
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.
* 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-047701_C19945814.pdf
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