DELTA HCB1175 Series Power Inductors: 120nH-500nH, 17A to 76A Isat
The HCB1175 is a high-performance power inductor within DELTA’s HCB series. Engineered using advanced Surface Mount Technology (SMT), it is specifically designed to meet the rigorous demands of modern electronic equipment for high-current and high-density power supplies.
Key Specifications
Inductance Range:0.12μH to 0.50μH
DC Resistance(DCR):0.245mS2 to 0.47mS
Saturation Current (Isat): 17A to 76A
Rated Current (Irms): 37A to 52A
Dimensions:11.0mmX7.2mm×7.5mm(LxWxH)
Operating Temperature: -40°C to +125°C (including self-heating)
Technical Highlights
Integrated Molding Construction: Features a fully closed magnetic shield design that effectively minimizes Electromagnetic Interference (EMI) and noise.
Enhanced Energy Efficiency: Achieves lower DC resistance within the same footprint, significantly boosting power conversion efficiency.
Superior Reliability: Fully compliant with RoHS 3.0 standards (lead-free). Its robust design makes it suitable for demanding fields such as automotive, military, medical, and aerospace.
High-Frequency Performance: Capable of operating at frequencies up to 5MHz, perfectly matching the requirements of high-speed switching power supplies.
Typical Applications
Data Centers/Servers: 48V to 12V/6V POL converters.
Telecommunications: Base station power supplies (28V/36V input).
Automotive Electronics: Vehicle DC-DC converters (e.g., 400V/48V to 12V).
Computing: Core power modules for FPGA and GPU.
Industrial: LC filters for industrial inverters.
Performance Data Tables
The HCB1175 series is available in three variants to optimize for different efficiency and thermal requirements:
1. Standard Series (HCB1175)
| Model | Inductance (nH) | DCR (mΩ) ±7% | Isat (A) @25°C | Irms (A) @100°C | Irms (A) @125°C |
| HCB1175-121 | 120 | 0.29 ±7% | 76 | 62 | 57 |
| HCB1175-151 | 150 | 0.29 ±7% | 70 | 57 | 53 |
| HCB1175-181 | 180 | 0.29 ±7% | 56 | 46 | 42 |
| HCB1175-201 | 200 | 0.29 ±7% | 52 | 42 | 39 |
| HCB1175-231 | 230 | 0.29 ±7% | 44 | 36 | 33 |
| HCB1175-281 | 280 | 0.29 ±7% | 36 | 29 | 27 |
| HCB1175-301 | 300 | 0.29 ±7% | 34 | 28 | 26 |
| HCB1175-361 | 360 | 0.29 ±7% | 25 | 20 | 19 |
| HCB1175-401 | 400 | 0.29 ±7% | 23 | 19 | 17 |
| HCB1175-501 | 500 | 0.29 ±7% | 17 | 14 | 13 |
2. High DCR Series (HCB1175H)
| Model | Inductance (nH) | DCR (mΩ) ±7% | Isat (A) @25°C | Irms (A) @100°C | Irms (A) @125°C |
| HCB1175-121H | 120 | 0.47 ±10% | 76 | 62 | 57 |
| HCB1175-151H | 150 | 0.47 ±10% | 70 | 57 | 53 |
| HCB1175-181H | 180 | 0.47 ±10% | 56 | 46 | 42 |
| HCB1175-201H | 200 | 0.47 ±10% | 52 | 42 | 39 |
| HCB1175-231H | 230 | 0.47 ±10% | 44 | 36 | 33 |
| HCB1175-281H | 280 | 0.47 ±10% | 36 | 29 | 27 |
| HCB1175-301H | 300 | 0.47 ±10% | 34 | 28 | 26 |
| HCB1175-361H | 360 | 0.47 ±10% | 25 | 20 | 19 |
| HCB1175-401H | 400 | 0.47 ±10% | 23 | 19 | 17 |
| HCB1175-501H | 500 | 0.47 ±10% | 17 | 14 | 13 |
3. Low DCR Series (HCB1175L)
| Model | Inductance (nH) | DCR (mΩ) ±7% | Isat (A) @25°C | Irms (A) @100°C | Irms (A) @125°C |
| HCB1175-121L | 120 | 0.245 ±10% | 76 | 62 | 57 |
| HCB1175-151L | 150 | 0.245 ±10% | 70 | 57 | 53 |
| HCB1175-181L | 180 | 0.245 ±10% | 56 | 46 | 42 |
| HCB1175-201L | 200 | 0.245 ±10% | 52 | 42 | 39 |
| HCB1175-231L | 230 | 0.245 ±10% | 44 | 36 | 33 |
| HCB1175-281L | 280 | 0.245 ±10% | 36 | 29 | 27 |
| HCB1175-301L | 300 | 0.245 ±10% | 34 | 28 | 26 |
| HCB1175-361L | 360 | 0.245 ±10% | 25 | 20 | 19 |
| HCB1175-401L | 400 | 0.245 ±10% | 23 | 19 | 17 |
| HCB1175-501L | 500 | 0.245 ±10% | 17 | 14 | 13 |
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