API_newlayouts_single:APIcatalog_newlayouts 8/26/10 12:10 PM Page 93 er w Po NU * ER MB Actual Size Mechanical Configuration Units are axial leaded encapsulated in an epoxy molded case. Physical Parameters Inches Length 0.550 to 0.570 Diameter 0.205 to 0.225 Lead Size AWG #21 TCW 0.76 Lead Length Millimeters 14.00 to 14.48 5.21 to 5.72 0.026 to 0.030 0.66 to 1.25 Min. 31.75 Min. Operating Temperature –55°C to +125°C Current Rating at 80°C Ambient 45°C Rise Maximum Power Dissipation at 80°C 0.44 W Incremental Current The current at which the inductance will be decreased by a maximum of 5% from its initial zero DC value. Marking DELEVAN; inductance with units and tolerance; date code (YYWWL). Note: An R before the date code indicates a RoHS component. Example: 2256-16J Front: Reverse: DELEVAN 0920B 18uH±5% Packaging Tape & reel: 12" reel, 1000 pieces max.; 14" reel, 1500 pieces max. Made in the U.S.A. Optional Tolerances: K = 10% J = 5% -221L -271L -331L -391L -471L -561L -681L -821L -01L -02L -03L -04L -05L -06L -07L -08L -09L -10L -11L -12L -13L -14L -15L -16L -17L -18L -19L -20L -21L -22L -23L -24L -25L -26L -27L -28L -29L -30L -31L -32L -33L -34L -35L -36L -37L -38L -39L -40L -41L -42L -43L -44L -45L -46L -47L -48L -49L -50L -51L -52L -53L SERIES 2256 FERRITE CORE 0.22 0.0080 7.00 0.27 0.0085 6.75 0.33 0.0090 6.50 0.39 0.0095 6.25 0.47 0.0100 6.00 0.56 0.0105 5.80 0.68 0.0110 5.70 0.82 0.0120 5.60 1.00 0.013 5.50 1.20 0.018 4.69 1.50 0.020 4.45 1.80 0.021 4.34 2.20 0.029 3.70 2.70 0.034 3.41 3.30 0.038 3.23 3.90 0.042 3.07 4.70 0.047 2.90 5.60 0.051 2.79 6.80 0.058 2.61 8.20 0.063 2.51 10.0 0.071 2.36 12.0 0.079 2.24 15.0 0.089 2.11 18.0 0.119 1.82 22.0 0.152 1.61 27.0 0.179 1.48 33.0 0.222 1.33 39.0 0.315 1.12 47.0 0.362 1.04 56.0 0.397 1.00 68.0 0.418 0.97 82.0 0.604 0.81 100 0.672 0.76 120 0.735 0.73 150 0.913 0.63 180 1.370 0.53 220 1.580 0.50 270 1.770 0.47 330 2.510 0.39 390 2.730 0.38 470 3.250 0.35 560 3.750 0.33 680 4.310 0.30 820 6.040 0.26 1000 6.900 0.24 1200 10.00 0.200 1500 12.50 0.178 1800 16.00 0.157 2200 20.00 0.141 2700 23.00 0.131 3300 25.00 0.126 3900 33.00 0.110 4700 37.00 0.103 5600 40.00 0.100 6800 62.00 0.080 8200 66.00 0.077 10000 74.00 0.071 12000 93.00 0.065 15000 105.0 0.061 18000 143.0 0.052 22000 160.0 0.050 s or ct du In SH Axial Lead Power Choke L TA EN S) EM MP CR (A IN NT E RR CU NG TI ) RA S T MP EN (A RR UM CU XIM MA CE AN ) ST S SI HM RE M (O DC MU XI MA Hz 1k @ 15% CE ) ± AN (µH CT DU IN 2256R 2256 DA SERIES 7.00 6.75 6.50 6.25 6.00 5.80 5.70 5.60 5.50 4.69 4.45 4.34 3.70 3.41 3.23 3.07 2.90 2.79 2.61 2.51 2.36 2.24 2.11 1.82 1.61 1.48 1.33 1.12 1.04 1.00 0.97 0.81 0.76 0.73 0.63 0.53 0.50 0.47 0.39 0.38 0.35 0.33 0.30 0.26 0.24 0.200 0.178 0.157 0.141 0.131 0.126 0.110 0.103 0.100 0.080 0.077 0.071 0.065 0.061 0.052 0.050 *Complete part # must include series # PLUS the dash # For surface finish information, refer to www.delevanfinishes.com 270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com 1/2009