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Home Products Inductors, Coils, Chokes Fixed Inductors~~HCM1A1305V2-R22-R~~

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HCM1A1305V2-R22-R - Eaton - Electronics Division

Name: Eaton - Electronics Division HCM1A1305V2-R22-R
Brand: Eaton - Electronics Division
SKU: HCM1A1305V2-R22-R
Price: 0.104 USD
Availability: InStock
Rating: 5 (4 reviews)

Manufacturer Part Number: HCM1A1305V2-R22-R

Manufacturer: Coiltronics (Eaton)

Allelco Part Number: 98D-HCM1A1305V2-R22-R

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 48,148 pcs available, New & Original

Parts Description: FIXED IND 220NH 48A 0.61MOHM SMD

Package: Nonstandard

Data sheet: HCM1A1305V2-R22.pdf

Datasheets
HCM1A1305V2 Series.pdf

RoHs Status: ROHS3 Compliant

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In stock: 48148

Unit Price: $0.282
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Quantity	Unit Price	Ext. Price
1+	$0.282	$0.28
250+	$0.109	$27.25
500+	$0.105	$52.50
1000+	$0.104	$104.00

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Specifications

HCM1A1305V2-R22-R Tech Specifications
Eaton - Electronics Division - HCM1A1305V2-R22-R technical specifications, attributes, parameters and parts with similar specifications to Eaton - Electronics Division - HCM1A1305V2-R22-R

Product Attribute	Attribute Value
Manufacturer	Coiltronics (Eaton)
Type	-
Tolerance	±20%
Supplier Device Package	-
Size / Dimension	0.530" L x 0.496" W (13.45mm x 12.60mm)
Shielding	Shielded
Series	HCM1AV2
Ratings	AEC-Q200
Q @ Freq	-
Package / Case	Nonstandard
Package	Tape & Reel (TR)

Product Attribute	Attribute Value
Operating Temperature	-55°C ~ 155°C
Mounting Type	Surface Mount
Material - Core	Iron Powder
Inductance Frequency - Test	100 kHz
Inductance	220 nH
Height - Seated (Max)	0.197" (5.00mm)
Frequency - Self Resonant	107MHz
Features	-
DC Resistance (DCR)	0.61mOhm Max
Current Rating (Amps)	48 A
Current - Saturation (Isat)	60A

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8504.50.8000

Frequently Asked Questions(FAQ)

What makes the HCM1A1305V2-R22-R suitable for high-current power delivery applications compared to standard surface-mount inductors?: The HCM1A1305V2-R22-R is rated for 48 A continuous current with a saturation current of 60 A, placing it in the high-frequency power conversion category. The combination of ultra-low 0.61 mOhm DCR and shielded iron-powder core design minimizes conductive losses—critical in buck converters and point-of-load regulators where efficiency directly correlates to thermal management feasibility. At 220 nH inductance, the HCM1A1305V2-R22-R maintains inductance stability across the 48 A operating range due to the nonlinear saturation characteristics of iron-powder cores, which compress more gradually than ferrite alternatives.

How does the 107 MHz self-resonant frequency of the HCM1A1305V2-R22-R affect its performance in switching power supplies operating at frequencies above 5 MHz?: The HCM1A1305V2-R22-R exhibits a self-resonant frequency of 107 MHz, meaning parasitic capacitance and inductance interact to create impedance peaks near this frequency. In practical switching supplies operating at 5–20 MHz, this high SRF keeps the inductor in its predominantly inductive region, preventing undesired impedance resonances. However, for designs approaching or exceeding 50 MHz switching frequencies, the HCM1A1305V2-R22-R's frequency response begins to transition toward capacitive behavior, which may require additional output filtering to maintain noise specifications.

Why is the shielded design of the HCM1A1305V2-R22-R preferable to unshielded inductors in mixed-signal PCB layouts?: The shielded construction of the HCM1A1305V2-R22-R confines magnetic field radiation, reducing coupling to nearby analog or RF circuits. In dense layouts common in automotive or telecom power modules, unshielded inductors radiate magnetic energy that can induce ground noise and degrade signal-to-noise ratio in adjacent low-level signal paths. The HCM1A1305V2-R22-R's shielding trades slightly higher cost for predictable EMI performance, allowing tighter component spacing and simplified PCB stackup designs.

What is the thermal impact of the 0.61 mOhm DCR specification on the HCM1A1305V2-R22-R when operating at rated 48 A current?: At 48 A continuous current, the HCM1A1305V2-R22-R dissipates I²R losses of approximately 1.4 W. This localized power dissipation raises junction temperature and must be accounted for in thermal budget calculations, particularly in enclosed automotive or industrial enclosures. The nonstandard package size (13.45 × 12.60 × 5.00 mm) of the HCM1A1305V2-R22-R provides greater thermal mass than typical 1210 packages, enabling better heat spreading to the PCB copper plane. Designs requiring peak currents near the 60 A saturation limit should derate the continuous rating by 10–15% and verify PCB thermal resistance is below 0.5 °C/W.

How does the ±20% inductance tolerance of the HCM1A1305V2-R22-R influence feedback loop stability in precision switching regulators?: The ±20% tolerance band (176–264 nH) on the HCM1A1305V2-R22-R directly affects converter output impedance and loop crossover frequency. In digitally controlled regulators, this tolerance compresses the stable operating margin if the control algorithm is tuned to nominal 220 nH inductance. High-performance designs often compensate by implementing inductor current sensing or by selecting binned components; alternatively, the HCM1A1305V2-R22-R's wide tolerance requires conservative loop gain tuning. This tolerance is typical for iron-powder cores and reflects the manufacturing variation inherent to powder metallurgy.

What design trade-offs should be evaluated when comparing the HCM1A1305V2-R22-R iron-powder core to a ferrite-core inductor of equivalent inductance and current rating?: The HCM1A1305V2-R22-R employs iron powder, which exhibits lower permeability loss and more gradual saturation compared to ferrite. Ferrite alternatives typically offer higher Q factors (lower AC resistance) at moderate frequencies, but saturate more sharply near their current limits, creating risk of inductor collapse in transient conditions. The HCM1A1305V2-R22-R tolerates brief overload pulses more gracefully. Conversely, ferrite inductors generate less core heating at room temperature. For 48 A continuous applications requiring high reliability against current spikes, the HCM1A1305V2-R22-R's softer saturation curve provides superior design margin; for efficiency-optimized designs where current remains well below saturation, ferrite may reduce total power loss.

Is the HCM1A1305V2-R22-R compatible with lead-free soldering processes, and what reflow profile precautions apply?: The HCM1A1305V2-R22-R carries RoHS3 compliance and MSL Level 1 rating (unlimited shelf life without baking), confirming compatibility with standard lead-free reflow processes (SAC305, SAC305+, SnPb alternatives). The nonstandard package geometry (0.530" × 0.496") may require custom solder paste stencil design; standard 1210 stencil patterns will not align properly with the HCM1A1305V2-R22-R pads. Thermal mass of the larger core means the HCM1A1305V2-R22-R reaches reflow temperature more slowly than smaller packages—peak temperature ramps should not exceed 3 °C/second to avoid solder joint stress.

How do operating temperature extremes (-55°C to 155°C) affect the inductance and current rating of the HCM1A1305V2-R22-R in automotive or aerospace applications?: The HCM1A1305V2-R22-R's iron-powder core exhibits temperature-dependent permeability; inductance typically decreases 200–300 ppm/°C across the -55°C to 155°C range. At 155°C upper limit, the nominal 220 nH value may drop to approximately 215 nH, pushing toward the lower tolerance extreme. Saturation current (60 A) and DC resistance (0.61 mOhm max) also degrade with temperature; at 155°C, effective saturation current may reduce by 5–10% while DCR increases, compounding thermal dissipation. For AEC-Q200 automotive designs using the HCM1A1305V2-R22-R, derating to 40 A continuous at 125°C ambient is prudent; full 48 A rating is reliably maintained only at temperatures below 85°C.

What are the practical implications of the HCM1A1305V2-R22-R's nonstandard package size on board layout and design reuse?: At 13.45 × 12.60 mm footprint, the HCM1A1305V2-R22-R is larger than standard 1210 (3.2 × 2.5 mm) but smaller than 2020 (5.0 × 5.0 mm) packages. This nonstandard geometry complicates design reuse and qualification across product families; the HCM1A1305V2-R22-R footprint must be explicitly added to library files and cannot be substituted without PCB rework. Procurement should verify alternate-source availability early in design phase, as the HCM1A1305V2-R22-R's package specificity limits supplier options compared to standard footprints. Component placement tools may flag the HCM1A1305V2-R22-R as non-standard, requiring manual approval in automated design rules.

What EMI filtering strategy complements the HCM1A1305V2-R22-R in a 48 V to 12 V buck converter to meet conducted emissions limits?: The HCM1A1305V2-R22-R's shielded core reduces radiated emissions but does not suppress switching harmonics conducted back to the input rail. At 220 nH inductance with 48 A peak ripple current, the output LC filter corner frequency must be carefully positioned relative to the switching frequency to attenuate high-order harmonics. Typically, a second-stage LC filter (output capacitor + ferrite bead or small series inductor) downstream of the HCM1A1305V2-R22-R buck inductor suppresses frequencies above 10 MHz. The HCM1A1305V2-R22-R's low DCR minimizes conversion loss but requires aggressive input filtering; designs often combine bulk film capacitors with high-frequency multilayer ceramics at the converter input to meet CISPR 25 Class 3 limits in automotive environments.

How should PCB layout techniques be adjusted when routing power traces to and from the HCM1A1305V2-R22-R to minimize loop inductance and voltage overshoot?: The HCM1A1305V2-R22-R's 48 A rating and low 0.61 mOhm DCR mean parasitic trace inductance and connection resistance become significant contributors to converter output ripple and transient overshoot. The HCM1A1305V2-R22-R should be placed directly adjacent to the output switching node, with wide, short copper traces (≥2 oz. copper weight) connecting both pins to minimize external loop inductance below 100 pH. Input and output current returns must be segregated on separate vias in close proximity to the HCM1A1305V2-R22-R pads to prevent ground bounce. Solder pads should be oversized and multiple vias (minimum 4–6) should connect to internal power planes, reducing effective junction resistance and enabling the HCM1A1305V2-R22-R's low DCR to dominate thermal performance.

Parts with Similar Specifications

The three parts on the right have similar specifications to Eaton - Electronics Division HCM1A1305V2-R22-R

Product Attribute
Part Number	HCM1A1305V2-8R2-R	HCM1A1305V2-R82-R	HCM1A1305V2-3R3-R	HCM1A1305V2-R56-R
Manufacturer	Eaton - Electronics Division	Eaton - Electronics Division	Eaton - Electronics Division	Eaton - Electronics Division
Features	-	-	-	Simultaneous Sampling
Type	-	-	-	-
Inductance Frequency - Test	-	-	-	-
Height - Seated (Max)	-	-	-	-
Shielding	-	-	-	-
Material - Core	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Ratings	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Size / Dimension	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Current Rating (Amps)	-	-	-	-
Current - Saturation (Isat)	-	-	-	-
Series	-	-	-	-
Q @ Freq	-	-	-	-
Tolerance	-	-	-	-
Inductance	-	-	-	-
DC Resistance (DCR)	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Frequency - Self Resonant	-	-	-	-

HCM1A1305V2-R22-R Datasheet PDF

Download HCM1A1305V2-R22-R pdf datasheets and Eaton - Electronics Division documentation for HCM1A1305V2-R22-R - Eaton - Electronics Division.

Datasheets: HCM1A1305V2 Series.pdf

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Customer Reviews

Evaluation: 10 Articles

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Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.
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Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.
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Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.
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Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
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Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
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Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

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This product works considerably well. It secretly improves my basketball by a lot.
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Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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America	United States	5
America	Brazil	7
Europe	Germany	5
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Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
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Middle East	Israel	6

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1.00kg-2.00kg	USD$40.00 - USD$80.00
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