HCM1104-R20-R Equivalent & Substitute Parts

Part Overview

The HCM1104-R20-R is a 200 nH shielded drum core wirewound inductor manufactured by Eaton Electronics Division, rated for 32 A continuous current with a maximum DC resistance of 0.72 mOhm. This surface mount component operates across the temperature range of -55°C to 125°C and is RoHS compliant with MSL 1 rating. The part is currently active in production with 1300 pieces in stock.

Substitute parts are identified when equivalent electrical performance can be maintained within the specified parameter tolerances while meeting mechanical and environmental requirements. Alternative inductors may be necessary due to supply constraints, lead time considerations, or design optimization requirements.

Key Parameters

Parameter	Value	Unit
Inductance	200	nH
Inductance Tolerance	±20	%
Current Rating	32	A
Current - Saturation (Isat)	45	A
DC Resistance (DCR) Maximum	0.72	mOhm
Shielding	Shielded	—
Operating Temperature Range	-55 to 125	°C
Mounting Type	Surface Mount	—
Package Type	Nonstandard	—
RoHS Status	RoHS Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the HCM1104-R20-R are classified based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

Inductance value within ±20% tolerance band (160 nH to 240 nH)
Current rating equal to or greater than 32 A
DC resistance not exceeding 0.72 mOhm maximum
Saturation current (Isat) equal to or greater than 45 A
Shielded construction
Surface mount configuration
Operating temperature range encompassing -55°C to 125°C
RoHS compliance status

Direct Substitute (Functionally Equivalent):

PA4342.221NLT (Pulse Electronics): 220 nH inductance, 35 A rating, 1 mOhm DCR, 60 A Isat

Similar Substitutes (Parameter Variations):

IHLP4040DZERR19M01 (Vishay Dale): 190 nH inductance, 40 A rating, 0.95 mOhm DCR, 90 A Isat
IHLP4040DZERR19M11 (Vishay Dale): 190 nH inductance, 40 A rating, 0.8 mOhm DCR, 46 A Isat
IHLP4040DZERR22M11 (Vishay Dale): 220 nH inductance, 33 A rating, 0.95 mOhm DCR, 44 A Isat

All substitute parts maintain shielded construction, surface mount packaging, and RoHS compliance.

Parameter Comparison

Parameter	HCM1104-R20-R (Main)	PA4342.221NLT	IHLP4040DZERR19M01	IHLP4040DZERR19M11	IHLP4040DZERR22M11
Manufacturer	Eaton Electronics	Pulse Electronics	Vishay Dale	Vishay Dale	Vishay Dale
Inductance (nH)	200	220	190	190	220
Tolerance	±20%	±20%	±20%	±20%	±20%
Current Rating (A)	32	35	40	40	33
Saturation Current (A)	45	60	90	46	44
DCR Maximum (mOhm)	0.72	1.0	0.95	0.8	0.95
Shielding	Shielded	Shielded	Shielded	Shielded	Shielded
Core Type	Drum Core, Wirewound	Molded	Molded	Molded	Molded
Operating Temperature (°C)	-55 to 125	-40 to 125	-55 to 125	-55 to 125	-55 to 125
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	Nonstandard	Nonstandard	Nonstandard	Nonstandard	Nonstandard
Size (mm)	11.10 x 10.00 x 4.00	11.50 x 10.30 x 4.00	10.80 x 10.16 x 4.00	10.80 x 10.16 x 4.00	10.80 x 10.16 x 4.00
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active
Inventory (Pcs)	1300	5044	2800	1934	1462

Engineering Selection Recommendations

PA4342.221NLT (Pulse Electronics) is the primary direct substitute. It provides 220 nH inductance within the ±20% tolerance band, exceeds the 32 A current requirement with 35 A rating, and delivers 60 A saturation current. The 1 mOhm maximum DCR is within acceptable limits for this application class. Operating temperature range of -40°C to 125°C covers the primary operating window, though the lower limit does not extend to -55°C. ROHS3 compliance and MSL 1 rating match environmental requirements. Inventory availability of 5044 pieces supports supply continuity.

IHLP4040DZERR19M11 (Vishay Dale) offers the lowest DCR at 0.8 mOhm, matching the original specification more closely. The 190 nH inductance remains within tolerance, 40 A current rating provides margin above the 32 A requirement, and 46 A saturation current meets the minimum threshold. Full temperature range of -55°C to 125°C and ROHS3 compliance ensure compatibility. Inventory of 1934 pieces is available.

IHLP4040DZERR19M01 (Vishay Dale) provides the highest saturation current at 90 A with 40 A continuous rating and 0.95 mOhm DCR. The 190 nH inductance is within tolerance. Full temperature range support and ROHS3 compliance are present. Inventory of 2800 pieces supports availability.

IHLP4040DZERR22M11 (Vishay Dale) matches the 220 nH inductance value exactly. The 33 A current rating provides adequate margin, though saturation current of 44 A is marginally below the original 45 A specification. DCR of 0.95 mOhm is acceptable. Full temperature range and ROHS3 compliance are maintained. Inventory of 1462 pieces is available.

All substitute parts are active products with current manufacturing status and full RoHS compliance certification.

Frequently Asked Questions (FAQ)

Q: Can PA4342.221NLT replace HCM1104-R20-R in all applications?

A: PA4342.221NLT is functionally equivalent within the specified electrical parameters. The 220 nH inductance falls within the ±20% tolerance band of the original 200 nH specification. Current rating of 35 A exceeds the 32 A requirement, and saturation current of 60 A exceeds the 45 A minimum. The primary consideration is the operating temperature lower limit of -40°C versus the original -55°C. Applications requiring operation below -40°C require alternative selection.

Q: What is the difference between the Vishay Dale IHLP4040DZ series parts?

A: The IHLP4040DZ-01 and IHLP4040DZ-11 variants differ in DC resistance and saturation current specifications. The -01 variant (IHLP4040DZERR19M01) provides 0.95 mOhm DCR with 90 A saturation current. The -11 variant (IHLP4040DZERR19M11) provides 0.8 mOhm DCR with 46 A saturation current. Both maintain 190 nH inductance and 40 A current rating. Selection depends on whether lower DCR or higher saturation margin is prioritized for the application.

Q: Are there physical size differences between substitute parts?

A: Minor dimensional variations exist. The main part HCM1104-R20-R measures 11.10 x 10.00 mm. PA4342.221NLT measures 11.50 x 10.30 mm. Vishay Dale IHLP4040DZ series parts measure 10.80 x 10.16 mm. All maintain 4.00 mm maximum height. PCB layout verification is required to confirm fit within available space constraints.

Q: Do all substitute parts meet the same compliance requirements?

A: All substitute parts are RoHS compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, matching the original part. PA4342.221NLT carries ROHS3 certification, while Vishay Dale parts carry ROHS3 certification with REACH Unaffected status. All parts are classified under ECCN EAR99 and HTSUS 8504.50.4000, consistent with the original component.

Q: Which substitute offers the best DCR performance?

A: IHLP4040DZERR19M11 provides the lowest maximum DCR at 0.8 mOhm, compared to the original 0.72 mOhm specification. This represents a 0.08 mOhm increase. For applications where DCR is critical, this part provides the closest match to the original specification while maintaining all other electrical requirements.

Q: What inventory considerations apply to substitute selection?

A: PA4342.221NLT offers the highest inventory availability at 5044 pieces, followed by IHLP4040DZERR19M01 at 2800 pieces, IHLP4040DZERR19M11 at 1934 pieces, and IHLP4040DZERR22M11 at 1462 pieces. The original HCM1104-R20-R maintains 1300 pieces in stock. Supply chain requirements may influence substitute selection based on volume and lead time needs.

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