Fixed Inductors for Surface Mounting FDA1254 Inductance Range: 0.68~8.0H Recommended patterns 2.4 3.0 2.9 9.7 NC 2.5 5.0 2.5 (Unit: mm) FEATURES 13.5 12.6mm square and 5.4mm Max. height. Magnetically shielded construction low DC resistance. The use of magnetic iron powder ensure capability for large current. Low audible core noise. Ideal for DC-DC converter applications in hand held personal computer and etc. RoHS compliant TOKO STANDARD PART NUMBERS 13.5 12.6 5.4mm Max. DC-DC RoHS TYPE FDA1254 (Quantity/reel; 500 PCS) (1) TOKO Part Number Inductance (H) (1) (2) Tolerance (%) DC (2) Resistance (m) Max. (Typ.) 20 20 20 20 20 20 20 20 1.5 (1.24) 2.0 (1.63) 2.6 (2.05) 4.5 (3.61) 7.0 (5.51) 8.8 (7.12) 9.4 (7.80) 16.0 (12.8) (3) Inductance (3) Decrease Current (A) Max. (Typ.) L =20% L FDA1254-R68M FDA1254-1R0M FDA1254-1R2M FDA1254-2R2M FDA1254-3R3M FDA1254-4R7M FDA1254-5R6M FDA1254-8R0M 0.68 1.0 1.2 2.2 3.3 4.7 5.6 8.0 29.1 (38.8) 25.2 (33.7) 20.2 (26.9) 14.7 (19.6) 13.1 (17.5) 11.2 (14.9) 10.8 (14.4) 9.1 (12.3) (4) Temperature (4) Rise Current T=40C (A) Max. (Typ.) 23.7 (29.7) 20.5 (25.7) 18.4 (23.1) 14.2 (17.8) 11.5 (14.4) 10.2 (12.8) 9.1 (11.4) 7.1 (8.9) (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. Test frequency at 100kHz (2) DC resistance is measured with 34420A (Agilent Technologies) or 3541(HIOKI). (Reference ambient temperature 25C) (3) Inductance Decrease Current based upon 20% inductance reduction from the initial value. (4) Temperature Rise Current based upon 40C temperature rise. (Reference ambient temperature 25C) (5) Absolute maximum voltage 30VDC. (1) LCR 4284AAgilent Technologies 100kHz (2) 34420AAgilent Technologies3541 HIOKI25 (3) 20% (4) 40 25 (5) 30VDC NOTICE: Please be sure that you carefully discuss your planned purchase with our sales division if you intend to use the product for business use etc. is severe.