PL IA NT Features Applications ■ ■ ■ ■ ■ ■ ■ ■ *R oH S CO M Formerly model Current rating up to 200 mA Inductance range: 100 µH to 33,000 µH High Q ■ RoHS compliant* DC/DC converters Power supplies Desktop notebooks Output chokes RL187 Series - Radial Lead RF Choke Electrical Specifications (@ 25 °C) General Specifications Test Frequency Part Number RL187-101J-RC RL187-121J-RC RL187-151J-RC RL187-181J-RC RL187-221J-RC RL187-271J-RC RL187-331J-RC RL187-391J-RC RL187-471J-RC RL187-561J-RC RL187-681J-RC RL187-821J-RC RL187-102J-RC RL187-122J-RC RL187-152J-RC RL187-182J-RC RL187-222J-RC RL187-272J-RC RL187-332J-RC RL187-392J-RC RL187-472J-RC RL187-562J-RC RL187-682J-RC RL187-822J-RC RL187-103J-RC RL187-123J-RC RL187-153J-RC RL187-183J-RC RL187-223J-RC RL187-273J-RC RL187-333J-RC Inductance (µH) 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 8200 10,000 12,000 15,000 18,000 22,000 27,000 33,000 Tol. ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % ±5 % Q (Min.) 80 80 80 80 80 80 80 80 80 80 80 80 90 90 90 90 90 90 90 90 90 90 90 90 100 100 100 100 100 100 100 L 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 79.6 KHz 79.6 KHz 79.6 KHz 79.6 KHz 79.6 KHz 79.6 KHz 79.6 KHz Q 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 796 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 252 KHz 79.6 KHz 79.6 KHz 79.6 KHz 79.6 KHz 79.6 KHz 79.6 KHz 79.6 KHz SRF (MHz) Typ. 5.3 4.5 3.8 3.3 2.9 2.6 2.3 2.1 1.9 1.7 1.6 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.6 0.5 0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 DCR (Ω) Max. 2.0 2.0 2.0 3.0 3.0 3.0 4.0 4.0 4.0 4.0 4.0 6.0 6.0 9.0 9.0 9.0 13 13 13 13 18 18 26 26 40 40 60 60 80 80 80 I dc (mA) 200 200 200 200 200 200 200 200 200 200 200 200 150 150 150 100 100 100 100 50 50 50 50 50 40 40 40 30 30 30 30 Rated Current ......Inductance drop 10 % Operating Temperature ................................-55 °C to +105 °C Storage Temperature ................................-55 °C to +105 °C Materials Core Material ................................Ferrite Wire ...........................Enameled copper Terminal Coating.................................Sn Marking ............Value code on side of inductor Packaging Standard ...................... 100 pcs. per bag Product Dimensions 8.0 MAX. (.315) 11.2 (.441) MAX. 5.0 (.197) 0.62 (.024) DIA. 5.0 (.197) Electrical Schematic How To Order RL187 - 472J - RC Model Value/Tolerance Code (see table) Compliance Code RC = RoHS Compliant Example: RL187-472J-RC = 4700 µH, ±5 % REV. 02/09 *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. Customers should verify actual device performance in their specific applications DIMENSIONS: MM (INCHES)