Actual Size

DASH NUMBER*

INDUCTANCE @ 1 kHz

(µH) ±15%

CURRENT RATING

MAXIMUM (AMPS)

INCREMENTAL

CURRENT (AMPS)

DC RESISTANCE

MAXIMUM (OHMS)

SERIES 2256R2256

Axial Lead Power Choke

Mechanical Configuration Units are axial leadedencapsulated in an epoxy molded case.

Physical Parameters

Inches MillimetersLength 0.550 to 0.570 14.00 to 14.48Diameter 0.205 to 0.225 5.21 to 5.72Lead SizeAWG #21 TCW 0.026 to 0.030 0.66 to

0.76Lead Length 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 inductancewill be decreased by a maximum of 5% from its initial zeroDC value.

Marking DELEVAN; inductance with units and tolerance;date code (YYWWL). Note: An R before the date codeindicates 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.

Power Inductors

270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com

SERIES 2256 FERRITE CORE -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

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

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

0.0080 0.0085 0.0090 0.0095 0.0100 0.0105 0.0110 0.0120 0.013 0.018 0.020 0.021 0.029 0.034 0.038 0.042 0.047 0.051 0.058 0.063 0.071 0.079 0.089 0.119 0.152 0.179 0.222 0.315 0.362 0.397 0.418 0.604 0.672 0.735 0.913 1.370 1.580 1.770 2.510 2.730 3.250 3.750 4.310 6.040 6.900 10.00 12.50 16.00 20.00 23.00 25.00 33.00 37.00 40.00 62.00 66.00 74.00 93.00 105.0 143.0 160.0

0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 1.00 1.20 1.50 1.80 2.20 2.70 3.30 3.90 4.70 5.60 6.80 8.20 10.0 12.0 15.0 18.0 22.0 27.0 33.0 39.0 47.0 56.0 68.0 82.0 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 82001000012000150001800022000

Optional Tolerances: K = 10% J = 5%

*Complete part # must include series # PLUS the dash #

For surface finish information, refer to www.delevanfinishes.com

1/2009

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