CO LO & MP LI GE AN N T FR EE *R oH S Features Applications ■ Shielded construction ■ Automotive systems: ■ Carbonyl powder core - Driver assistant - Information - Entertainment - Lighting ■ DC/DC converters ■ Power supplies ** HA ■ High saturation current ■ Inductance range: 1 to 100 µH ■ AEC-Q200 qualified ■ RoHS compliant* and halogen free** SRP1770TA Series - Shielded Power Inductors Electrical Specifications @ 25 °C Inductance @ 100 KHz / 1 V L (µH) Tol. (%) Bourns Part Number SRP1770TA-1R0M SRP1770TA-1R5M SRP1770TA-2R2M SRP1770TA-3R3M SRP1770TA-4R7M SRP1770TA-5R6M SRP1770TA-6R8M SRP1770TA-8R2M SRP1770TA-100M SRP1770TA-150M SRP1770TA-220M SRP1770TA-330M SRP1770TA-390M SRP1770TA-470M SRP1770TA-560M SRP1770TA-680M SRP1770TA-101M 1 1.5 2.2 3.3 4.7 5.6 6.8 8.2 10 15 22 33 39 47 56 68 100 General Specifications Q (Min.) @100 KHz /1V SRF (MHz) Typ. DCR (mΩ) Typ. DCR (mΩ) Max. Irms (A) Isat1 (A) Isat2 (A) 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 35 30 22 17 15 12 11 10 8 7 5 4 4 3 3 2 2 1.6 2 2.4 3.5 4.8 5.8 8.4 9.6 11.8 17.8 25.1 38 40 48 54 68 102 2 2.5 2.7 3.9 5.5 7.05 9.2 10.8 13 20.5 26.5 44 48 55 62 80 118 52 47 43.5 28 25 21 19 18 16.5 12.5 12 10.7 9.2 8.7 7.8 7 5.3 60 52 47 45 41 40 32 25 24 23 18 15 11 9.5 9 8 6.5 70 65 62 54 50 45 39 31 29 27 23 20 18 16 15 13 12 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 Operating Temperature ................................-40 °C to +150 °C (Temperature rise included) Storage Temperature ................................-40 °C to +125 °C Rated Current ......... Inductance drops 20 % at Isat1, 30 % at Isat2 Temperature Rise .....40 °C at rated Irms Materials Core .............................Carbonyl powder Wire ............................Enameled copper Terminal Finish ...................................Sn Packaging ....... 300 pcs. per 13-inch reel Product Dimensions 17.3 ± 0.4 (.681 ± .016) 16.9 ± 0.3 (.666 ± .012) Soldering Profile Preheating Soldering Natural Cooling TP (260 °C / 10 Sec. Max.) 101 1510 Temperature (°C) tp (245 °C, 20~40 Sec.) 200 °C 150°C 16.9 ± 0.3 (.666 ± .012) 217 °C 60~150 Sec. 0 ~+ 0.25 (0 ~+ .010) 6.7 ± 0.3 (.264 ± .012) 2.1 ± 0.3 (.083 ± .012) 60~180 Sec. 25 480 Sec. Max. Time (Seconds) Reflow Times: 3 Times Max. Schematic How to Order SRP1770TA - 220 M 11.9 ± 0.3 (.469 ± .012) Recommended Layout 18.5 (.728) Model Value Code (see table) Tolerance Code 12.5 (.492) 12.2 (.480) * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. **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. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. DIMENSIONS: MM (INCHES) SRP1770TA Series - Shielded Power Inductors L vs. I Charts 64 0.6 0 80 24 0 0 14 DC Current (A) 4 96 3 72 2 48 1 24 0 10.8 21.6 32.4 43.2 Inductance (μH) 8.0 Temperature Rise (°C) 0 54.0 72 4.8 48 2.4 24 0 32 0 40 49.6 0 62.0 SRP1770TA-5R6M 8 96 4.8 72 6 72 3.2 48 4 48 1.6 24 2 24 20 30 40 120 0 0 10 0 50 9.2 18.4 SRP1770TA-8R2M 12 96 9 72 6 48 3 24 6.8 13.6 0 46.0 20.4 27.2 100 12 80 9 60 6 40 3 20 0 0 34.0 0 5.8 11.6 17.4 23.2 0 29.0 DC Current (A) DC Current (A) SRP1770TA-150M 36.8 SRP1770TA-100M 15 120 0 27.6 DC Current (A) 0 SRP1770TA-220M SRP1770TA-330M 120 50 20 80 28 96 40 96 15 60 21 72 30 72 10 40 14 48 20 48 5 20 7 24 10 24 0 5.4 10.8 16.2 21.6 0 0 27.0 0 4.2 DC Current (A) SRP1770TA-390M 60 48 96 36 72 24 48 12 24 0 3.6 7.2 10.8 DC Current (A) 14.4 0 18 Inductance (μH) 60 Temperature Rise (°C) 120 0 8.4 12.6 16.8 120 0 0 21.0 0 4 8 12 16 0 20 DC Current (A) DC Current (A) SRP1770TA-470M SRP1770TA-560M 120 80 48 96 64 48 36 72 24 48 12 24 0 0 16.0 0 3.2 6.4 9.6 DC Current (A) 12.8 Inductance (μH) 0 Inductance (μH) 35 Inductance (μH) 100 Temperature Rise (°C) Inductance (μH) 37.2 96 DC Current (A) Inductance (μH) 24.8 6.4 15 Inductance (μH) 7.2 25 12.4 10 0 Temperature Rise (°C) Inductance (μH) 96 24 0 DC Current (A) 9.6 16 24 DC Current (A) 0 120 8 48 0.7 120 SRP1770TA-6R8M 0 0 70 SRP1770TA-4R7M DC Current (A) 12.0 56 72 0 Temperature Rise (°C) Inductance (μH) 120 0 42 2.1 1.4 DC Current (A) SRP1770TA-3R3M 5 28 Inductance (μH) 48 Inductance (μH) 48 72 Inductance (μH) 32 1.8 1.2 Temperature Rise (°C) 16 96 Temperature Rise (°C) 0 2.8 120 Temperature Rise (°C) 30 0 96 Temperature Rise (°C) Inductance (μH) 60 0.3 2.4 Temperature Rise (°C) 90 3.5 Temperature Rise (°C) 0.9 0.6 SRP1770TA-2R2M 120 Temperature Rise (°C) 120 SRP1770TA-1R5M 60 48 36 32 24 16 12 0 0 1.8 3.6 5.4 7.2 Temperature Rise (°C) 1.2 Inductance (μH) 3.0 Temperature Rise (°C) 150 Temperature Rise (°C) SRP1770TA-1R0M 1.5 0 9.0 DC Current (A) Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 3312 - 2 mmSeries SMD Trimming SRP1770TA - Shielded Potentiometer Power Inductors L vs. I Charts (Continued) 80 56 120 96 60 42 90 72 40 28 60 48 20 14 30 24 0 0 13.0 0 2.6 5.2 7.8 10.4 Inductance (μH) 150 Temperature Rise (°C) Inductance (μH) SRP1770TA-101M 70 120 0 0 2.4 4.8 7.2 9.6 Temperature Rise (°C) SRP1770TA-680M 100 0 12.0 DC Current (A) DC Current (A) Packaging Specifications 330 DIA. (12.992) 2.0 ± 0.5 (.079 ± .020) 13.5 ± 0.5 (.531 ± .020) DIA. 100 ± 2 (3.937 ± .079) 32.0 ± 0.5 (1.260 ± .020) DIA. 1.5 ± 0.1 (.059 ± .004) 1.75 ± 0.1 (.069 ± .004) 12.0 (.472) 4.0 ± 0.1 (.157 ± .004) 24.0 ± 0.1 (.945 ± .004) 0.5 ± 0.05 (.020 ± .002) 2.0 ± 0.05 (.079 ± .002) 17.5 ± 0.1 (.689 ± .004) 14.2 ± 0.1 (.559 ± .004) 101 1510 101 1510 101 1510 101 1510 101 1510 28.4 ± 0.10 (1.118 ± .004) 32.0 ± 0.3 (1.260 ± .112) 18.5 ± 0.1 (.728 ± .004) 7.5 ± 0.1 (.295 ± .004) USER DIRECTION OF FEED QTY: 300 PCS. PER REEL 12.6 ± 0.1 (.496 ± .004) 17.5 ± 0.1 (.689 ± .004) DIMENSIONS: Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com MM (INCHES) 08/15 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.