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Sumida Developed SMD Power Inductor with Unshielded Drum Core Construction

8.4.2020
Reading Time: 3 mins read
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Sumida developed new CD54DS SMD Power Inductor with magnetically unshielded ferrite drum core construction design

Key Features:

RelatedPosts

Snubber Capacitor Selection for SiC-Based Switching Converters

Vishay Releases High Precision Compact Thin Film Wraparound Chip Resistor 

TAIYO YUDEN Launches Wire-Wound Automotive Power Inductors

  • Ferrite core construction
  • Magnetically unshielded
  • L×W×H: 6.1×5.5×4.85mm Max.
  • Product weight: 0.55g (Ref.)
  • Moisture Sensitivity Level: 1
  • Operating temperature range: -40℃~+105℃ (including coil’s self temperature rise)

Applications:

  • DC/DC converter for CPU in notebook PC
  • smart phone
  • LCD displays
  • HDDs, DVDs, SSDs, DVCs, DSCs, PDAs etc.

Parts List:

Part NameInductance [Within] (μH) ※1D.C.R. at 20℃ [Within](mΩ)Saturation Current (A) Max.(Typ.) ※2Temperature Rise Currrent
(A) (Typ.) ※3
CD54DS-1R2PC1.2018.00 (15.00)5.50 (6.50)(4.20)
CD54DS-1R5PC1.5022.00 (18.00)4.90 (5.70)(4.00)
CD54DS-2R2PC2.2025.00 (21.00)4.30 (5.10)(3.80)
CD54DS-3R3PC3.3032.00 (26.00)3.60 (4.20)(3.40)
CD54DS-4R7MPC4.7039.00 (32.00)3.00 (3.60)(3.00)
CD54DS-6R8MC6.8051.00 (42.00)2.50 (3.00)(2.60)
CD54DS-100MC10.0070.00 (58.00)2.00 (2.40)(2.20)
CD54DS-120MC12.0087.00 (72.00)1.80 (2.10)(2.10)
CD54DS-150MC15.00102 (85.00)1.70 (2.00)(2.00)
CD54DS-180MC18.00110 (91.00)1.50 (1.80)(1.70)
CD54DS-220MC22.00140 (116)1.40 (1.60)(1.60)
CD54DS-270MC27.00176 (146)1.20 (1.40)(1.50)
CD54DS-330MC33.00197 (164)1.10 (1.30)(1.30)
CD54DS-390MC39.00246 (205)1.00 (1.20)(1.20)
CD54DS-470MC47.00383 (239)0.94 (1.10)(1.05)
CD54DS-560MC56.00332 (277)0.85 (1.00)(1.00)
CD54DS-680MC68.00402 (335)0.77 (0.90)(0.95)
CD54DS-820MC82.00530 (442)0.71 (0.83)(0.75)
CD54DS-101MC100663 (552)0.62 (0.73)(0.70)
CD54DS-121MC120827 (689)0.56 (0.66)(0.65)
CD54DS-151MC1501047 (872)0.50 (0.59)(0.55)
CD54DS-181MC1801144 (953)0.46 (0.54)(0.53)
CD54DS-221MC2201460 (1216)0.41 (0.49)(0.48)

※1 Measuring frequency inductance at 100kHz,1V.
※2 Saturation current: This indicates the value of D.C. current when the inductance becomes 10% lower than its initial value.
※3 Temperature rise current: The value of D.C. current when temperature of coil increased △T=40℃ (Ta=20℃).

Production Stage:

In mass production

Source: Sumida

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