Features Applications Shielded construction Automotive systems: - Driver assistant Carbonyl powder core - Information High saturation current - Entertainment Inductance range: 0.10 to 10 H - Lighting AEC-Q200 quali ed DC/DC converters RoHS compliant* and halogen free** Power supplies SRP1238A Series - Shielded Power Inductors Electrical Speci cations 25 C General Speci cations Test Voltage ....................................1.0 V Inductance Irms Bourns DCR Isat Test Frequency ......................... 100 KHz 100 KHz / 1 V Part Number (m) Max. (A) (A) L (H) Tol. (%) Operating Temperature ................................-40 C to +150 C SRP1238A-R10Y 0.10 30 0.43 43 84 (Temperature rise included) SRP1238A-R15Y 0.15 30 0.48 41 75 Storage Temperature SRP1238A-R22M 0.22 20 0.81 38.5 65 ................................-40 C to +125 C SRP1238A-R33M 0.33 20 1.0 36.5 62 Rated Current SRP1238A-R47M 0.47 20 1.8 32 55 ............ Inductance drops 20 % at Isat SRP1238A-R60M 0.60 20 2.2 29 51 Temperature Rise .....40 C at rated Irms SRP1238A-R68M 0.68 20 2.5 28 49 Resistance to Soldering Heat ........................ +260 C, 40 sec. max. SRP1238A-R82M 0.82 20 3.0 25 44 SRP1238A-1R0M 1.0 20 3.5 24 40 Materials SRP1238A-1R2M 1.2 20 4.0 21 37 Core ............................. Carbonyl powder SRP1238A-1R5M 1.5 20 5.5 19 35 Wire ............................Enameled copper SRP1238A-1R8M 1.8 20 7.0 17 30 Terminal Finish ...................................Sn SRP1238A-2R2M 2.2 20 8.0 16 29 Packaging ....... 500 pcs. per 13-inch reel SRP1238A-3R3M 3.3 20 13.5 12 27 SRP1238A-4R7M 4.7 20 18.5 10 24 Product Dimensions SRP1238A-5R6M 5.6 20 22.0 9.5 19 13.5 0.5 SRP1238A-6R8M 6.8 20 24.0 9 18 (.531 .020) SRP1238A-8R2M 8.2 20 28.0 8.5 16 SRP1238A-100M 10 20 34.0 7 14 8R2 12.5 0.3 How to Order Electrical Schematic (.492 .012) 1150 SRP1238A - 100M Model 3.3 0.2 2.3 0.3 Value Code (see table) (.130 + .008) (.091 .012) Soldering Pro le 3.0 0.3 Peak Temperature260 max. (.118 .012) Max. Peak Temperature 260 40 sec. max. Max. Time Above 217 : 60~150 sec. max. Preheating Soldering Natural Cooling Recommended Layout 14.2 (.559) 20~40 Sec. Peak Temperature (260 C, 40 Sec. Max.) 3.3 (.130) 217 C 200 C 60~150 Sec. 150C 8.0 (.315) 60~180 Sec. MM DIMENSIONS: (INCHES) 480 Sec. Max. 25 Time (Seconds) Reflow Times: 3 Times Max. * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. ** Bourns follows the prevailing de nition of halogen free in the industry. 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. Speci cations 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 speci c applications. *RoHS COMPLIANT & AEC APPROVED Temperature (C) SRF0504 Series - Line FilterSRP1238A Series - Shielded Power Inductors L vs. I Charts SRP1238A-R22M SRP1238A-R15Y SRP1238A-R10Y 0.4 0.4 140 120 0.2 120 120 0.15 0.3 0.3 90 90 100 80 0.1 60 0.2 0.2 60 60 40 0.05 30 0.1 0.1 30 20 0 0 0 0 0 0 0 16.8 33.6 50.4 67.2 84 015 30 45 60 75 013 26 39 52 65 DC Current (A) DC Current (A) DC Current (A) SRP1238A-R33M SRP1238A-R47M SRP1238A-R60M 0.8 120 0.8 120 1.0 150 0.8 120 0.6 90 0.6 90 0.6 90 0.4 60 0.4 60 0.4 60 0.2 30 0.2 30 0.2 30 0 0 0 0 0 0 0 15.5 31 46.5 62 011 22 33 44 55 0 10.2 20.4 30.6 40.8 51 DC Current (A) DC Current (A) DC Current (A) SRP1238A-R68M SRP1238A-R82M SRP1238A-1R0M 1.5 1.5 120 1.5 120 120 1.2 1.2 1.2 90 90 90 0.9 0.9 0.9 60 60 60 0.6 0.6 0.6 30 30 30 0.3 0.3 0.3 0 0 0 0 0 0 0 7 14 21 28 35 42 49 011 22 33 44 08 16 24 32 40 DC Current (A) DC Current (A) DC Current (A) SRP1238A-1R2M SRP1238A-1R5M SRP1238A-1R8M 2.5 3.0 2.5 130 120 100 2.0 2.4 2.0 104 80 90 1.5 1.8 1.5 60 78 60 1.0 1.2 40 1.0 52 30 0.5 0.6 20 0.5 26 0 0 0 0 0 0 07 14 21 28 35 05 10 15 20 25 30 0 7.4 14.8 22.2 29.6 37 DC Current (A) DC Current (A) DC Current (A) SRP1238A-3R3M SRP1238A-4R7M SRP1238A-2R2M 6 10 4 120 150 150 5 8 120 120 90 3 4 6 90 90 3 60 2 4 60 60 2 30 1 2 30 1 30 0 0 0 0 0 0 0 5.4 10.8 16.2 21.6 27 06 12 18 24 0 7.25 14.5 21.75 29 DC Current (A) DC Current (A) DC Current (A) Speci cations 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 speci c applications. Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Inductance (H) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C) Temperature Rise (C)