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| Fixed Inductors for Surface Mounting DB315C/DB318C/DB320C Inductance Range: 1.0~22H (DB315C), 1.0~22H (DB318C), 3.9~27H (DB320C)) DIMENSIONS 3.8 Recommended patterns * DB320C DB318C (Unit: mm) (Unit: mm) DB315C * DB315C: 1.5mm Max. height FEATURES * Low profile (4.0mm Max. square,1.5/1.8/2.0mm Max. height). * Magnetically shielded construction and low DC resistanse. * Ideal for DC-DC converter choke coil for portable equipments (DVD, DSC, Cellular phone, PDA). * RoHS compliant. DB318C: 1.8mm Max. height DB320C: 2.0mm Max. height * * * (4.0mm Max. 1.5/1.8/2.0mmMax.) DC- DVD, DSC, Cellular phone, PDA DC * RoHS TYPE SELECTION GUIDE FOR STANDARD COILS DB315C ( Quantity / reel; 2,000 PCS) (1) (2) (3) (3) TOKO Part Number A1109AS-H-1R0N A1109AS-H-1R6N A1109AS-H-2R2N A1109AS-H-3R3M A1109AS-H-4R7M A1109AS-H-6R8M A1109AS-H-8R2M A1109AS-H-100M A1109AS-H-120M A1109AS-H-150M A1109AS-H-180M A1109AS-H-220M Inductance (H) 1.0 1.6 2.2 3.3 4.7 6.8 8.2 10.0 12.0 15.0 18.0 22.0 (1) Tolerance (%) 30 30 30 20 20 20 20 20 20 20 20 20 DC (2) Resistance (m) Max. (Typ.) 51 (43) 68 (57) 78 (65) 110 (88) 150 (120) 210 (180) 290 (240) 310 (260) 420 (350) 560 (470) 640 (530) 720 (600) Inductance (3) Decrease Current (A) Max. (Typ.) L L L =10% L =30% 2.00 (2.70) 1.60 (2.10) 1.40 (1.90) 1.10 (1.50) 0.92 (1.20) 0.72 (0.97) 0.67 (0.89) 0.62 (0.83) 0.55 (0.73) 0.51 (0.68) 0.47 (0.62) 0.41 (0.55) 2.60 (3.50) 2.00 (2.70) 1.80 (2.40) 1.40 (1.90) 1.20 (1.60) 0.96 (1.30) 0.87 (1.20) 0.81 (1.10) 0.72 (0.96) 0.66 (0.88) 0.60 (0.81) 0.54 (0.73) Temperature (3) Rise Current T=40C (A) Max. (Typ.) 2.10 (2.50) 1.70 (2.00) 1.60 (1.90) 1.40 (1.60) 1.10 (1.30) 0.93 (1.10) 0.77 (0.91) 0.74 (0.87) 0.62 (0.72) 0.52 (0.62) 0.49 (0.58) 0.45 (0.53) continued on next page Fixed Inductors for Surface Mounting continued from previous page SELECTION GUIDE FOR STANDARD COILS TYPE DB318C (Quantity/reel; 2,000 PCS) (1) (2) (3) (3) TOKO Part Number A997AS-1R0N A997AS-2R2N A997AS-3R3M A997AS-3R9M A997AS-4R7M A997AS-5R6M A997AS-6R8M A997AS-8R2M A997AS-100M A997AS-120M A997AS-150M A997AS-180M A997AS-220M Inductance (H) 1.0 2.2 3.3 3.9 4.7 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 (1) Tolerance (%) 30 30 20 20 20 20 20 20 20 20 20 20 20 DC (2) Resistance (m) Max. (Typ.) 40 (32) 60 (48) 70 (60) 90 (80) 100 (90) 120 (100) 130 (110) 160 (140) 180 (150) 230 (190) 260 (210) 330 (270) 440 (370) Inductance (3) Decrease Current (A) Max. (Typ.) L L L =10% L =30% 1.80 (2.40) 1.30 (1.70) 0.94 (1.26) 0.86 (1.15) 0.85 (1.14) 0.81 (1.09) 0.69 (0.92) 0.59 (0.78) 0.58 (0.77) 0.55 (0.73) 0.48 (0.64) 0.42 (0.56) 0.39 (0.52) 2.30 (3.10) 1.60 (2.10) 1.20 (1.61) 1.10 (1.46) 1.07 (1.43) 1.02 (1.36) 0.89 (1.19) 0.75 (1.00) 0.74 (0.99) 0.70 (0.94) 0.61 (0.81) 0.53 (0.70) 0.51 (0.67) Temperature (3) Rise Current T=40C (A) Max. (Typ.) 2.40 (2.80) 1.90 (2.20) 1.64 (1.93) 1.37 (1.61) 1.29 (1.52) 1.23 (1.45) 1.10 (1.29) 1.05 (1.23) 0.99 (1.16) 0.78 (0.92) 0.74 (0.87) 0.63 (0.74) 0.53 (0.63) 1 2 3 (3) TYPE DB320C (Quantity/reel; 2,000 PCS) (1) (2) (3) TOKO Part Number A993AS-3R9M A993AS-4R7M A993AS-5R6M A993AS-6R8M A993AS-8R2M A993AS-100M A993AS-120M A993AS-150M A993AS-180M A993AS-220M A993AS-270M Inductance (H) 3.9 4.7 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 27.0 (1) Tolerance (%) 20 20 20 20 20 20 20 20 20 20 20 DC (2) Resistance (m) Max. (Typ.) 80 (70) 100 (80) 110 (90) 120 (100) 140 (120) 160 (130) 190 (160) 240 (200) 290 (240) 370 (310) 480 (400) Inductance (3) Decrease Current (A) Max. (Typ.) L L L =10% L =30% 0.86 (1.15) 0.85 (1.14) 0.73 (0.97) 0.70 (0.93) 0.66 (0.88) 0.59 (0.78) 0.56 (0.74) 0.49 (0.65) 0.45 (0.60) 0.41 (0.55) 0.35 (0.47) 1.10 (1.47) 1.08 (1.44) 0.97 (1.29) 0.89 (1.18) 0.85 (1.14) 0.74 (0.99) 0.69 (0.92) 0.62 (0.82) 0.56 (0.74) 0.52 (0.69) 0.45 (0.60) Temperature (3) Rise Current T=40C (A) Max. (Typ.) 1.38 (1.73) 1.28 (1.60) 1.21 (1.52) 1.19 (1.49) 0.97 (1.21) 0.96 (1.20) 0.83 (1.04) 0.74 (0.93) 0.65 (0.82) 0.55 (0.69) 0.47 (0.59) 4 6 (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. Test frequency at 100kHz (2) DC Resistance is measured with a Digital Multimeter TR6871 (Advantest) or equivalent. (3) Maximum allowable DC current is that which causes a 30% inductance reduction from the initial value, coil temperature to rise by 40C, whichever is smaller. (Reference ambient temperature 20C) (1) (2) (3) 30 40 ( 20 LCR 4284A (Agilent Technologies) 100kHz TR6871(Advantest) 7 8 9 |
Price & Availability of DB315C
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