SRP4020-3R3M Bourns

This series is currently available but Features not recommended for new designs. Shielded construction The newer Model SRP4020TA Flat wire series is recommended. Unit height of 2 mm Inductance range: 0.22 to 5.6 H Rated current up to 10 A RoHS compliant* SRP4020 Series - Shielded Power Inductors Test Voltage ..................................0.25 V Inductance I rms I sat DCR Test Frequency ......................... 100 KHz Bourns Part No. L (H) 20 % (A) (A) (m ) Max. 230 C 50 sec. max. SRP4020-R22M 0.22 11.5 11.5 7 Operating Temperature SRP4020-R36M 0.36 9 11 12 ................................-55 C to +125 C (Temperature rise included) SRP4020-R47M 0.47 7 10 12 Storage Temperature SRP4020-R56M 0.56 7 8 14.7 ................................-55 C to +125 C SRP4020-R68M 0.68 6.3 7 17 Resistance to Soldering Heat SRP4020-R88M 0.88 6 6.5 18 .............................+260 C for 10 sec. SRP4020-1R0M 1.0 5 6 21.6 Materials SRP4020-1R2M 1.2 5 5 22 Core .................................................. Iron SRP4020-1R5M 1.5 5.1 5 29 Wire ............................Enameled copper SRP4020-2R2M 2.2 3.9 5 40 Terminal ........................................ Cu/Sn SRP4020-3R3M 3.3 3.3 4.3 48 Rated Current .....Ind. drops 20 % at Isat Temperature Rise .....40 C at rated Irms SRP4020-4R7M 4.7 2.7 4 75 Packaging ..... 2000 pcs. per 13-inch reel SRP4020-5R6M 5.6 2.4 3.5 90 Product Dimensions 275 4.8 MAX. 260 C peak (.189) <1>Maximum of 10 seconds <1> 255 C between +255 C and +260 C 225 220 C 190C Ramp Down 60 seconds maximum 5 C/second 175 4.0 0.2 150 C (.157 .008) 125 120-150 seconds 10 seconds minimum 75 Ramp Up 4.0 0.2 4 C/second maximum (.157 .008) 25 0 50 100 150 200 250300 Time (Seconds) 0.0 - 0.3 (0.0 - .012) Electrical Schematic Recommended Layout 2.0 2.2 MAX. 1.5 (.079) (.087) (.059) 6.0 (.236) 0.6 0.3 (.024 .012) 0.8 0.3 (.031 .012) MM DIMENSIONS: WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov (INCHES) * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf R68 *RoHS COMPLIANT Temperature (C)Applications DC/DC converters Power supplies for: Portable communications equipment Laptop computers Camcorders, HDTV, car audio systems Video game consoles SRP4020 Series - Shielded Power Inductors L vs. I Charts SRP4020-R36M SRP4020-R22M 0.35 50 0.24 100 0.34 90 0.23 0.33 40 80 0.22 0.32 70 0.21 0.31 60 30 0.20 0.30 50 0.19 40 0.29 20 0.18 30 0.28 0.17 20 0.27 10 0.16 10 0.26 0.15 0 0.25 0 01 23 45 67 89 10 11 12 13 14 15 012345 6 789 10 DC Bias (A) DC Bias (A) SRP4020-R47M SRP4020-R56M 0.50 60 0.60 80 70 0.55 50 0.45 60 40 0.50 50 0.40 0.45 40 30 0.35 30 0.40 20 20 0.30 0.35 10 10 0.30 0 0.25 0 0123456789 10 0 1 2 3 4 5 6 7 8 9 10 DC Bias (A) DC Bias (A) SRP4020-R88M SRP4020-R68M 0.90 45 0.80 50 40 0.85 0.70 40 35 0.80 30 0.75 0.60 30 25 0.70 20 0.50 20 0.65 15 0.60 0.40 10 10 0.55 5 0.30 0 0.50 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 DC Bias (A) DC Bias (A) SRP4020-1R0M SRP4020-1R2M 1.10 80 1.20 60 70 1.10 1.00 50 60 0.90 1.00 50 40 0.90 0.80 40 30 30 0.80 0.70 20 20 0.70 0.60 10 10 0.60 0.50 0 01 2 3 4 5 6 7 8 0.50 0 DC Bias (A) 01 23 4 5 6 7 8 DC Bias (A) Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Inductance (H) Inductance ( H) Inductance ( H) Inductance ( H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance ( H) Inductance ( H) Inductance ( H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C)