78F5R6J-RC

## **Features** 

■ Current rating up to 1.2 A 

■ Dielectric strength: 500 VRMS 

■ RoHS compliant* 

## **Applications** 

■ DC/DC converters 

■ Power supplies 

■ General use 

## **78F Series Conformal Coated RF Choke** BOURNS’ ~~i~~ 

Temperature Rise .......................... 35 °C ....................................at rated current Operating Temperature Range  ............................... -55 °C to +105 °C ............................... -55 °C to +105 °C (including temperature rise) Storage Temperature Range  ............................... -55 °C to +105 °C ............................... -55 °C to +105 °C Moisture Sensitivity Level ..................... 1 ................. N/A egp crassitication HEN) crassitication HEN) HEN) 

**Test SRF DCR IDC** ....................................at rated current **Q Frequency (MHz) (** Ω **) (mA)** ~~a~~ **Part Number** 78FR10K-RC 0.10 ±10 % **Value (** μ **H) Min.** 20 **(MHz)** 25 **Min.** 400 0.060 **Max. Max.** 1200 Operating Temperature Range  ............................... -55 °C to +105 °C ~~a~~ 78FR12K-RC ~~a~~ 0.12 ±10 % 20 25 400 0.070 1200 (including temperature rise) ~~Ee~~ 78FR15K-RC 0.15 ±10 % 20 25 380 0.070 1200 Storage Temperature Range  ............................... -55 °C to +105 °C ~~IE~~ 78FR18K-RC 0.18 ±10 % ~~EE~~ 20 25 380 0.073 1150 Moisture Sensitivity Level ..................... 1 ~~FTE~~ 78FR22K-RC 0.22 ±10 % ~~TIE~~ 40 25 380 0.075 1150 ................. N/A ~~a~~ 78FR27K-RC ~~a~~ 0.27 ±10 % ~~TEESE}~~ 40 25 360 0.085 1110 egp crassitication HEN) crassitication HEN) HEN) ~~Ee~~ 78FR33K-RC 0.33 ±10 % 40 25 335 0.095 1110 ~~**Materials** IE~~ 78FR39K-RC 0.39 ±10 % ~~EE~~ 40 25 310 0.10 1000 Core Material ..................Ferrite DR core ~~a~~ 78FR47K-RC 0.47 ±10 % 40 25 270 0.11 1000 ~~a~~ 78FR56K-RC ~~a~~ 0.56 ±10 % 40 25 245 0.12 950 Wire ....................Enamelled copper wireTerminal ........................................ Cu/SnTerminal ........................................ Cu/Sn ~~Ee~~ 78FR68K-RC 0.68 ±10 % 40 25 230 0.13 900 Coating .................................Epoxy resin ~~IE~~ 78FR82K-RC 0.82 ±10 % ~~EE~~ 40 25 200 0.14 875 Packaging ~~a~~ 78F1R0K-RC 1.0 ±10 % 40 25 180 0.15 815 Standard ................5000 pcs. per bag ~~a~~ 78F1R2K-RC ~~a~~ 1.2 ±10 % 40 7.9 165 0.18 740 Optional ..... 5000 pcs. per 14-inch reel ~~Ee~~ 78F1R5K-RC 1.5 ±10 % 50 7.9 150 0.20 700 ~~IE~~ 78F1R8K-RC 1.8 ±10 % ~~EE~~ 50 7.9 125 0.23 655 ~~**How to Order** a~~ 78F2R2K-RC 2.2 ±10 % 50 7.9 110 0.25 630 ~~a~~ 78F2R7K-RC ~~a~~ 2.7 ±10 % 50 7.9 95 0.28 595 **78F  100  J  __  -  RC** ~~Ee~~ 78F3R3J-RC 3.3 ±5 % 50 7.9 60 0.30 575 Model __ ~~IE~~ 78F3R9J-RC 3.9 ±5 % ~~EE~~ 45 7.9 50 0.32 555 Value Code (see table) ~~a~~ 78F4R7J-RC 4.7 ±5 % 45 7.9 38 0.35 530 Tolerance Code (see table) ~~a~~ 78F5R6J-RC ~~a~~ 5.6 ±5 % 45 7.9 32 0.40 500 Packaging ~~Ee~~ 78F6R8J-RC 6.8 ±5 % 40 7.9 28 0.45 470 Blank = 5,000 pcs./bag ~~IE~~ 78F8R2J-RC 8.2 ±5 % ~~EE~~ 40 7.9 20 0.55 425 -TR = 5,000 pcs./14” reel ~~a~~ 78F100J-RC 10 ±5 % 40 7.9 18 0.75 370 RoHS Compliant ~~a~~ 78F120J-RC ~~a~~ 12 ±5 % 45 2.5 16 0.80 350 _Examples: • 78F1R0K-RC = 1.0 mH Model 78F_ ~~Ee~~ 78F150J-RC 15 ±5 % 50 2.5 16 0.93 335 _packaged 5,000 pcs. per bag._ ~~IE~~ 78F180J-RC 18 ±5 % ~~EE~~ 50 2.5 15 1.00 315 _• 78F100J-TR-RC = 10 mH Model 78F_ ~~a~~ 78F220J-RC 22 ±5 % 50 2.5 13 1.20 285 _packaged 5,000 pcs. per reel._ ~~a~~ 78F270J-RC ~~a~~ 27 ±5 % 50 2.5 11 1.35 270 ~~Ee~~ 78F330J-RC 33 ±5 % 50 2.5 10 1.50 255 ~~**Electrical Schematic** IE~~ 78F390J-RC 39 ±5 % ~~EE~~ 50 2.5 9.50 1.70 240 78F470J-RC 47 ±5 % 60 2.5 8.50 2.70 205 ~~OEEe~~ 78F560J78F680J--RCRC 56 ±5 %68 ±5 % 6060 2.52.5 7.506.50 2.953.30 195185 INC ~~IE~~ 78F820J-RC 82 ±5 % ~~EE~~ 60 2.5 6.00 3.60 175 ~~a~~ 78F101J-RC 100 ±5 % 60 2.5 5.50 4.10 165 ~~**Product Dimensions** a~~ 78F121J-RC 120 ±5 % 60 0.79 5.40 4.70 160 2.79 78F151J-RC 150 ±5 % 60 0.79 4.75 5.40 150 (0.11)MAX. 0.51 ~~ee a _ IE~~ 78F181J-RC 180 ±5 % ~~EE~~ 60 0.79 4.35 6.00 140 (0.020) ~~1~~ 78F221J-RC 220 ±5 % 60 0.79 4.00 6.80 130 ~~a—~~ 78F271J-RC ~~Oda~~ 270 ±5 % 60 0.79 3.70 7.70 120 ~~| T~~ TD —-— ~~F~~ 78F331J-RC 330 ±5 % 60 0.79 3.40 11.1 100 25.40 7.11 25.40 ~~pyrIE~~ 78F391J-RC 390 ±5 % ~~EE~~ 60 0.79 2.80 12.6 95 ~~e~~ (1.0) (0.28) (1.0) MIN. MAX. MIN. ~~a~~ 78F471J-RC 470 ±5 % 60 0.79 2.55 14.0 90 ~~a~~ 78F561J-RC ~~a~~ 560 ±5 % 60 0.79 2.35 15.5 85 MM DIMENSIONS: ~~Ee~~ 78F681J-RC 680 ±5 % 60 0.79 2.00 25.3 68 (INCHES) ~~IE~~ 78F821J-RC 820 ±5 % ~~EE~~ 60 0.79 1.50 27.5 65 ~~a~~ 78F102J-RC 1000 ±5 % 60 0.79 1.20 31.4 60 

~~**Materials**~~ Core Material ..................Ferrite DR core Wire ....................Enamelled copper wireTerminal ........................................ Cu/SnTerminal ........................................ Cu/Sn Coating .................................Epoxy resin Packaging Standard ................5000 pcs. per bag Optional ..... 5000 pcs. per 14-inch reel 

**78F  100  J  __  -  RC** 

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

**WARNING  Cancer and Reproductive Harm** www.P65Warnings.ca.gov 

## **78F Series Conformal Coated RF Choke** 

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Typical Part Marking - EIA Color Code<br>1st & 2nd<br>71.00 ± 3.00 Significant<br>(2.795 ± 0.118) Color Figure Multiplier Tolerance<br>Silver 0.01 ±10 %<br>Gold 0.1 ±5 %<br>Black 0 1<br>Brown 1 10<br>Red 2 100<br>Orange 3 1000<br>Yellow 4<br>Green 5<br>15.00 ± 0.50<br>(0.591 ± 0.020) Blue 6<br>355.00 ± 0.50 Violet 7<br>(13.976 ± 0.020)<br>Gray 8<br>6.00 ± 1.00 52.00 ± 1.50 6.00 ± 1.00 White 9<br>(0.236 ± 0.039) (2.047 ± 0.059) (0.236 ± 0.039)<br>2.50 0.50<br>(0.098) (0.020) Example for 6.8 µH, ±5 %<br>MAX. MAX.<br>1st signifi cant fi gure (Blue)<br>2nd signifi cant fi gure (Gray)<br>Multiplier (Gold)<br>Tolerance (Gold)<br>1.00 Example for 270 µH, ±5 %<br>(0.039)<br>MAX. 1st signifi cant fi gure (Red)<br>2nd signifi cant fi gure (Purple)<br>Multiplier (Brown)<br>5.00 ± 0.50 Tolerance (Gold)<br>1.00 (0.197 ± 0.020)<br>(0.039) 26.00 ± 1.50<br>MAX. (1.024 ± 0.059)<br>MM<br>DIMENSIONS:<br>(INCHES)<br>Tel: +886-2 2562-4117 • Email: asiacus@bourns.com<br>EMEA:  Tel: +36 88 520 390 • Email: eurocus@bourns.com<br>The Americas:  Tel: +1-951 781-5500 • Email: americus@bourns.com<br>**----- End of picture text -----**<br>


Tel: +886-2 2562-4117 • Email: asiacus@bourns.com **EMEA:** Tel: +36 88 520 390 • Email: eurocus@bourns.com **The Americas:** Tel: +1-951 781-5500 • Email: americus@bourns.com **www.bourns.com** 

REV. 01/18 

Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

® 

## **Legal Disclaimer Notice** 

This legal disclaimer applies to purchasers and users of Bourns[®] products manufactured by or on behalf of Bourns, Inc. and 

Unless otherwise expressly indicated in writing, Bourns[®] products and data sheets relating thereto are subject to change without notice. Users should check for and obtain the latest relevant information and verify that such information is and complete before placing orders for Bourns[®] products. 

The characteristics and parameters of a Bourns[®] product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical requirements in generic applications.  The characteristics and parameters of a Bourns[®] product in a user application may 

® product with other components ® 

the actual performance of the Bourns[®] 

Unless Bourns has explicitly designated an individual Bourns ® product as meeting the requirements of a particular industry standard (e.g., ISO/TS 16949) or a particular qualification (e.g., UL listed or recognized), Bourns is not responsible for any failure of an individual Bourns ® product to meet the requirements of such industry standard or particular qualification. Users of Bourns[®] products are responsible for ensuring compliance with safety-related requirements and standards applicable to 

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on a case-by-case basis, use of any Bourns[®] 

® 

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® 

Bourns[®] 

® standard products that are suitable for use in aircraft “Applications.” Unless expressly and specifically ® standard 

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The use and level of testing applicable to Bourns ® custom products shall be negotiated on a case-by-case basis by Bourns and the user for which such Bourns[®] custom products are specially designed. Absent a written agreement between Bourns and the user regarding the use and level of such testing, the above provisions applicable to Bourns ® standard products shall also apply to such Bourns[®] custom products. 

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