HCM1A1707-4R7-R Eaton Inductor (Inductors Precision Moulded) In Stock
Eaton HCM1A1707-4R7-R is a precision moulded fixed inductor rated at 4.7 µH inductance and 20 A DC current, AEC-Q200 qualified for automotive reliability. It is RoHS compliant and available in bulk tape-and-reel packaging for high-volume SMT assembly.
- Manufacturer
- Eaton
- Package
- Inductors Precision Moulded
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- HCM1A1707-4R7-R Datasheet PDF
- Category
- Inductor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4.7 µH inductance with 20 A rated DC current capacity for high-power switching circuits
- AEC-Q200 qualified for automotive-grade reliability in harsh operating environments
- Precision moulded construction for consistent inductance values and low DCR across production lots
- RoHS compliant and lead-free design meeting environmental regulations
- Compact form factor suitable for high-density power conversion PCB layouts
- Tape-and-reel (-R) packaging for automated SMT pick-and-place production
Applications
The HCM1A1707-4R7-R is designed for automotive power electronics and industrial DC-DC converter applications where high current handling up to 20 A and AEC-Q200 certification are mandatory. Typical use cases include automotive ECU power stages, ADAS subsystem voltage regulators, and electric vehicle on-board charger filter inductors operating over wide temperature ranges.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Unknown |
| Package | Inductors Precision Moulded |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What current and inductance ratings make HCM1A1707-4R7-R suitable for automotive DC-DC converters?
The HCM1A1707-4R7-R provides a 4.7 µH inductance with a 20 A DC current rating, making it well-matched for automotive buck or boost converters supplying high-current loads. Its AEC-Q200 qualification ensures it meets the rigorous reliability standards required for under-hood automotive power stages.
How does AEC-Q200 qualification affect component selection for ADAS power supply designs?
AEC-Q200 is the automotive passive component reliability standard; parts that carry this qualification undergo stress testing including thermal cycling from -40°C to +125°C, vibration, and humidity. Selecting HCM1A1707-4R7-R with AEC-Q200 qualification reduces qualification risk and simplifies Tier-1 supplier documentation for ADAS modules.
How does HCM1A1707-4R7-R's 4.7 µH inductance compare to nearby values when optimizing switching frequency in a power stage?
At 4.7 µH with 20 A capability, this inductor is typically paired with switching frequencies in the 200 kHz to 500 kHz range to balance ripple current and core losses. Halving the inductance to 2.2 µH at the same current rating would allow higher switching frequencies but increases ripple current by roughly 2x, requiring larger output capacitors.
What tape-and-reel packaging details should procurement engineers verify before ordering HCM1A1707-4R7-R in volume?
The -R suffix indicates tape-and-reel packaging for automated SMT assembly. Procurement should confirm the reel quantity per order (typically 1000 or 2000 pieces per reel), the minimum order quantity, and lead time, since AEC-Q200 qualified inductors at 20 A ratings may carry longer lead times compared to standard commercial-grade parts.
Related Guides
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
0402 10uF X5R Decoupling Design Guide for Compact Digital Rails
Application note for using CL05A106MP5NUNC-class 0402 10uF X5R MLCCs in compact digital rail decoupling designs.
Jun 19, 2026
How to Choose an 0805 10uF MLCC for Decoupling and Bulk Capacitance
Selection guide for choosing 0805 10uF MLCCs around CL21A106KOQNNNE, covering derating, dielectric, package, and sourcing checks.
Jun 19, 2026
Why Buy from FindMyChip
About Eaton
Eaton is a leading electronic component manufacturer. FindMyChip sources Eaton ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”