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Product Detailed Parameters
- Description：FIXED IND 3.3UH 18A 6.8 MOHM SMD
- Series：HM72E-12
- Mfr：TT Electronics/BI Magnetics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Molded
- Material - Core：-
- Inductance：3.3 µH
- Tolerance：±20%
- Current Rating (Amps)：18 A
- Current - Saturation (Isat)：20A
- Shielding：Unshielded
- DC Resistance (DCR)：6.8mOhm Max
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-40°C ~ 155°C
- Inductance Frequency - Test：100 kHz
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Supplier Device Package：-
- Size / Dimension：0.549" L x 0.512" W (13.95mm x 13.00mm)
- Height - Seated (Max)：0.256" (6.50mm)
- Features：-
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Overview
The HM72E-123R3HLFTR13 is a surface-mount power inductor from the HM72E series manufactured by TT Electronics/BI Magnetics. It features an inductance of 3.3 µH with a tolerance of ±20%. The component has a maximum DC resistance of 3 mΩ and supports a saturation current of 27 A. It operates within a temperature range of -40°C to +155°C and meets AEC-Q200 automotive qualification standards. The package dimensions are 12.3 mm x 12.3 mm x 6.8 mm, utilizing a shielded SMD design for PCB mounting.
Feature Summary
- Automotive-grade reliability certified under AEC-Q200 standards
- High saturation current capability for robust power handling
- Shielded magnetic structure to minimize electromagnetic interference
Applications
- Automotive power supply circuits
- DC-DC converter output filtering
- On-board charging systems
Procurement Notes
Verify the specific suffix 'HL' against official datasheets to confirm high-current and automotive qualification status. Confirm lead-free compliance and RoHS status prior to integration. Check manufacturer lifecycle status as availability may vary. Ensure PCB footprint matches the 12.3mm x 12.3mm package dimensions exactly.
Selection Notes
Select this component for applications requiring high current density and automotive certification. Compare saturation current ratings against peak load requirements. Verify thermal management capabilities given the low DC resistance. Ensure compatibility with reflow soldering profiles specified for the HM72E series.
Part Context
This part belongs to the HM72E series of shielded power inductors designed for demanding power electronics applications. The series emphasizes high efficiency and compact size. It is distinct from unshielded variants like the LF series by offering superior noise performance and higher current handling suitable for automotive environments.
Replacement Considerations
HM72E-121R5HLFTR13
FAQ
Is the HM72E-123R3HLFTR13 shielded?
Yes, the HM72E series utilizes a shielded construction to reduce electromagnetic interference.
What is the operating temperature range?
The component operates reliably between -40°C and +155°C.
