DB315C TOKO | Alldatasheet

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Technical content

Inductance Range: 1.0~22μH (DB315C), 1.0~22μH (DB318C), 3.9~27μH (DB320C)) DB320C DB318C DB315C (Unit: mm) ç (Unit: mm) * DB315C: 1.5mm Max. height DB318C: 1.8mm Max. height DB320C: 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.
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  • ʢDVD, DSC, Cellular phone, PDAʣͳͲͷDC- DCద
  • RoHSྩରԠ SELECTION GUIDE FOR STANDARD COILS TYPE DB315C ( Quantity / reel; 2,000 PCS) ඼൪ ΠϯμΫλϯε (1) ࠩ ߅ ༰ిྲྀ (3) ༰ిྲྀ (3) Inductance Decrease Current (3) (A) Max. (Typ.) TOKO Part Number Inductance (1) (μH) Tolerance (%) DC Resistance (2) (mΩ) Max. (Typ.) =10% =30% Temperature Rise Current (3) ΔT=40°C (A) Max. (Typ.) continued on next page ท΁ଓ͘ Recommended patterns ਪ঑ύλʔϯਤ DIMENSIONSੇ๏ਤ ΔL L ΔL L FEATURESʗಛ௕ Fixed Inductors for Surface Mounting૷ ఆΠϯμΫλ 3.8 * Fixed Inductors for Surface Mounting૷ ఆΠϯμΫλ

continued from previous page લทΑΓଓ͘ SELECTION GUIDE FOR STANDARD COILS TYPE DB318C (Quantit y/reel; 2,000 PCS) ඼൪ ΠϯμΫλϯε (1) ࠩ ߅ ༰ిྲྀ (3) ༰ిྲྀ (3) Inductance Decrease Current (3) (A) Max. (Typ.) TOKO Part Number Inductance (1) (μH) Tolerance (%) DC Resistance (2) (mΩ) Max. (Typ.) =10% =30% Temperature Rise Current (3) ΔT=40°C (A) Max. (Typ.) TYPE DB320C (Quantit y/reel; 2,000 PCS) ඼൪ ΠϯμΫλϯε (1) ࠩ ߅ ༰ిྲྀ (3) ༰ిྲྀ (3) Inductance Decrease Current (3) (A) Max. (Typ.) TOKO Part Number Inductance (1) (μH) Tolerance (%) DC Resistance (2) (mΩ) Max. (Typ.) =10% =30% Temperature Rise Current (3) ΔT=40°C (A) Max. (Typ.) (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 40°C, whichever is smaller. (Reference ambient temperature 20°C) (1) ΠϯμΫλϯε͸LCRϝʔλ4284A (Agilent Technologies) ·ͨ (2) ͸σδλϧϚϧνϝʔλTR6871(Advantest)·ͨ͸ಉ౳ ඼ʹΑΓଌఆ͢Δɻ (3) ɺΠϯμΫλϯεͷ஋ (पғԹ౓20४ͱ͢Δʣ ΔL L ΔL L ΔL L ΔL L Fixed Inductors for Surface Mounting૷ ఆΠϯμΫλ