CYNTEC HCB1380 Power Inductors: High-Current, Low-DCR Solutions for DC-DC Converters
CYNTEC HCB1380 Series is a high-performance power inductor family designed for demanding applications in power electronics. These inductors feature excellent electrical characteristics, compact mechanical dimensions, and robust thermal performance, making them ideal for DC-DC converters, power supplies, and other high-current applications.

Electrical Characteristics (@25℃, 100kHz, 1V)
| Delta P/N | L1(nH) | Li (nH) | DCR (mΩ) | Isat2(A) | Ir3(A) | ||
| 25℃ | 100℃ | 125℃ | |||||
| HCB1380-211 | 210 | 180 | 0.26 ± 9.4% | 80 | 65 | 60 | 50 |
| HCB1380-251 | 250 | 212 | 66 | 54 | 50 | ||
| HCB1380-261 | 260 | 221 | 63 | 51 | 47 | ||
| HCB1380-321 | 320 | 272 | 47 | 38 | 35 | ||
| HCB1380-361 | 360 | 306 | 43 | 35 | 32 | ||
| HCB1380-441 | 440 | 374 | 34 | 28 | 26 | ||
| HCB1380-501 | 500 | 425 | 28 | 23 | 21 | ||
| HCB1380-211H | 210 | 180 | 0.53 ± 11.5% | 80 | 65 | 60 | 35 |
| HCB1380-251H | 250 | 212 | 66 | 54 | 50 | ||
| HCB1380-261H | 260 | 221 | 63 | 51 | 47 | ||
| HCB1380-321H | 320 | 272 | 47 | 38 | 35 | ||
| HCB1380-361H | 360 | 306 | 43 | 35 | 32 | ||
| HCB1380-441H | 440 | 374 | 34 | 28 | 26 | ||
| HCB1380-501H | 500 | 425 | 28 | 23 | 21 | ||
| HCB1380-211H1 | 210 | 180 | 0.32 ± 9.4% | 80 | 65 | 60 | 45 |
| HCB1380-251H1 | 250 | 212 | 66 | 54 | 50 | ||
| HCB1380-261H1 | 260 | 221 | 63 | 51 | 47 | ||
| HCB1380-321H1 | 320 | 272 | 47 | 38 | 35 | ||
| HCB1380-361H1 | 360 | 306 | 43 | 35 | 32 | ||
| HCB1380-441H1 | 440 | 374 | 34 | 28 | 26 | ||
| HCB1380-501H1 | 500 | 425 | 28 | 23 | 21 | ||
| HCB1380-211L | 210 | 180 | 0.165 ± 10% | 80 | 65 | 60 | 68 |
| HCB1380-251L | 250 | 212 | 66 | 54 | 50 | ||
| HCB1380-261L | 260 | 221 | 63 | 51 | 47 | ||
| HCB1380-321L | 320 | 272 | 47 | 38 | 35 | ||
| HCB1380-361L | 360 | 306 | 43 | 35 | 32 | ||
| HCB1380-441L | 440 | 374 | 34 | 28 | 26 | ||
| HCB1380-501L | 500 | 425 | 28 | 23 | 21 | ||
Key Features
1. High-Current Capability & Low DC Resistance (DCR)
Wide Inductance Range: Available from 210nH to 500nH (tolerance ±20%).
Low DCR: Ranging from 0.165mΩ to 0.53mΩ, minimizing power loss.
Saturation Current (Isat): Supports high DC currents (up to 80A @25℃) while maintaining inductance stability.
Temperature Rise Current (Ir): Rated for 21A to 60A at 125℃, ensuring reliability under thermal stress.
2. Robust Thermal Performance
Operating Temperature Range: -40℃ to 125℃ (including self-temperature rise).
High-Temperature Stability: Maintains performance under extreme conditions.
3. Compact & Standardized Dimensions
Mechanical Size Options:
A (Max): 13.0mm - 13.3mm
B (Max): 13.0mm
C (Max): 8.0mm - 8.2mm
D: 5.0mm - 5.3mm
E: 2.5mm
F: 5.8mm
G: 7.1mm - 7.5mm
H: 13.2mm - 13.5mm
Applications
✔ DC-DC Converters (Buck/Boost)
✔ VRMs (Voltage Regulator Modules)
✔ Server & Telecommunication Power Systems
✔ Automotive & Industrial Electronics
✔ High-Frequency Power Circuits
The HCB1380 Series offers an optimal balance of low DCR, high current handling, and thermal resilience in a compact form factor. Its wide inductance range and high Isat/Ir ratings make it suitable for high-efficiency power designs where reliability and performance are critical.



