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High Reliability SMD Inductors    CWR1277C

AEC-Q200 Not Recommended Mag
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Features

  • High reliability available for automotive application.
  • SMD magnetic shielded type of power inductor.
  • Suitable for power supply choke coil.
  • AEC-Q200 compliant
  • Operating temperature:-40℃~+150℃(The self-heating is included)

Applications

  • Automotive
  • Car Audio, Car Navigation, ECU, LED Headlights

Electrical Characteristics

Part Number Inductance(µH) DCR (Ω) DC Saturation Allowable Current (A) Temperature Rise Allowable Current (A)
Max Typical
CWR1277C-3R3N 3.3 ± 30% 0.017 0.013 8 5.1
CWR1277C-4R7N 4.7 ± 30% 0.02 0.015 7.2 4.8
CWR1277C-6R8N 6.8 ± 30% 0.022 0.017 6.2 4.4
CWR1277C-8R2N 8.2 ± 30% 0.024 0.019 5.8 4.2
CWR1277C-100M 10 ± 20% 0.026 0.02 5.5 3.9
CWR1277C-120M 12 ± 20% 0.029 0.022 5.2 3.8
CWR1277C-150M 15 ± 20% 0.033 0.025 4.8 3.6
CWR1277C-180M 18 ± 20% 0.035 0.027 4.5 3.5
CWR1277C-220M 22 ± 20% 0.042 0.033 3.8 3
CWR1277C-270M 27 ± 20% 0.05 0.038 3.3 2.85
CWR1277C-330M 33 ± 20% 0.055 0.042 2.9 2.65
CWR1277C-390M 39 ± 20% 0.065 0.05 2.8 2.45
CWR1277C-470M 47 ± 20% 0.075 0.057 2.55 2.3
CWR1277C-560M 56 ± 20% 0.09 0.069 2.2 2.1
CWR1277C-680M 68 ± 20% 0.105 0.081 2.05 1.9
CWR1277C-820M 82 ± 20% 0.14 0.107 1.85 1.7
CWR1277C-101M 100 ± 20% 0.175 0.134 1.7 1.5
CWR1277C-121M 120 ± 20% 0.2 0.152 1.5 1.4
CWR1277C-151M 150 ± 20% 0.24 0.186 1.4 1.25
CWR1277C-181M 180 ± 20% 0.27 0.207 1.3 1.2
CWR1277C-221M 220 ± 20% 0.34 0.26 1.15 1.05
CWR1277C-271M 270 ± 20% 0.445 0.342 0.97 0.95
CWR1277C-331M 330 ± 20% 0.495 0.381 0.91 0.9
CWR1277C-391M 390 ± 20% 0.565 0.436 0.84 0.85
CWR1277C-471M 470 ± 20% 0.67 0.514 0.79 0.72
CWR1277C-561M 560 ± 20% 0.81 0.622 0.7 0.68
CWR1277C-681M 680 ± 20% 0.975 0.751 0.65 0.62
CWR1277C-821M 820 ± 20% 1.16 0.89 0.6 0.57
CWR1277C-102M 1000 ± 20% 1.4 1.08 0.5 0.5

Current characteristic graph

Characteristics of DC Superposition
Characteristics of Temperature Rise