PCMC063T-1R2MN Equivalent & Substitute Parts Reference

Part Overview

The PCMC063T-1R2MN is a 1.2 µH unshielded surface mount inductor manufactured by Susumu, rated for 10 A continuous current with 12 mOhm maximum DC resistance. This component belongs to the PCMC series and is currently classified as Obsolete product status, necessitating the identification of alternative parts for new designs and replacement applications. The component features a nonstandard package measuring 0.287" L x 0.260" W x 0.118" H (7.30mm x 6.60mm x 3.00mm).

Key Parameters

Parameter	Value
Inductance	1.2 µH
Tolerance	±20%
Current Rating	10 A
Saturation Current (Isat)	20 A
DC Resistance (DCR)	12 mOhm Max
Shielding	Unshielded
Test Frequency	100 kHz
Package Dimensions	7.30mm x 6.60mm x 3.00mm
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitute parts are grouped based on the following electrical and mechanical parameters that determine functional compatibility:

Electrical Parameters:

Inductance value within tolerance range (1.0 µH to 1.2 µH acceptable for ±20% tolerance consideration)
Current rating of 10 A or higher
Saturation current (Isat) of 20 A or higher
DC resistance (DCR) of 12 mOhm maximum or lower

Mechanical Parameters:

Surface mount package type
Package dimensions within ±0.5mm of original (6.95mm-7.30mm length, 6.60mm width, 3.00mm height)

The HCM0703-1R0-R features 1 µH inductance, which falls within acceptable design margins. The BMMA000606301R2MX1 provides 1.2 µH inductance matching the original specification. Both substitutes offer shielded construction compared to the original unshielded design, which provides enhanced EMI performance while maintaining electrical compatibility.

Parameter Comparison

Parameter	PCMC063T-1R2MN	BMMA000606301R2MX1	HCM0703-1R0-R
Manufacturer	Susumu	Pulse Electronics	Eaton - Electronics Division
Product Status	Obsolete	Active	Active
Inductance	1.2 µH	1.2 µH	1 µH
Tolerance	±20%	±20%	±20%
Current Rating	10 A	10 A	11 A
Saturation Current	20 A	20 A	22 A
DC Resistance	12 mOhm Max	12 mOhm Max	10 mOhm Max
Shielding	Unshielded	Shielded	Shielded
Type	-	Molded	Drum Core, Wirewound
Operating Temperature	-	-55°C ~ 125°C	-55°C ~ 125°C
Test Frequency	100 kHz	100 kHz	100 kHz
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package	Nonstandard	Nonstandard	Nonstandard
Dimensions (L x W)	7.30mm x 6.60mm	6.95mm x 6.60mm	7.10mm x 6.60mm
Height Max	3.00mm	3.00mm	3.00mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

BMMA000606301R2MX1 provides direct inductance matching at 1.2 µH with identical current rating (10 A) and saturation current (20 A) specifications. This part maintains Active product status and offers full ROHS3 and REACH compliance. The package footprint measures 6.95mm x 6.60mm x 3.00mm, representing a 0.35mm reduction in length while maintaining identical width and height.

HCM0703-1R0-R features 1 µH inductance with enhanced current handling capability (11 A rated, 22 A saturation). The DC resistance specification of 10 mOhm maximum provides lower power dissipation compared to the original 12 mOhm maximum. This part maintains Active product status with full ROHS3 and REACH compliance. Package dimensions of 7.10mm x 6.60mm x 3.00mm offer close dimensional compatibility with 0.20mm length reduction.

Both substitute parts feature shielded construction and specified operating temperature range of -55°C to 125°C. Both alternatives carry identical MSL rating of 1 (Unlimited) and matching regulatory compliance status.

Frequently Asked Questions (FAQ)

Q: What is the primary difference between the original part and the substitutes?

A: The PCMC063T-1R2MN features unshielded construction while both substitutes (BMMA000606301R2MX1 and HCM0703-1R0-R) provide shielded designs. The HCM0703-1R0-R has 1 µH inductance compared to the original 1.2 µH.

Q: Are the package dimensions compatible with existing PCB layouts?

A: All three parts share identical width (6.60mm) and height (3.00mm). Length dimensions vary: PCMC063T-1R2MN is 7.30mm, BMMA000606301R2MX1 is 6.95mm, and HCM0703-1R0-R is 7.10mm. The maximum length variation is 0.35mm.

Q: How does the 1 µH inductance of HCM0703-1R0-R compare to the original 1.2 µH specification?

A: The 16.7% inductance difference falls within the ±20% tolerance specification of the original component. The HCM0703-1R0-R provides enhanced current handling (11 A vs 10 A) and lower DC resistance (10 mOhm vs 12 mOhm).

Q: What is the significance of shielded versus unshielded construction?

A: Shielded inductors provide reduced electromagnetic interference and improved isolation between adjacent components. The substitutes' shielded construction offers enhanced EMI performance while maintaining electrical compatibility.

Q: Are there differences in current handling capabilities?

A: The BMMA000606301R2MX1 matches the original specifications (10 A rated, 20 A saturation). The HCM0703-1R0-R provides higher ratings (11 A rated, 22 A saturation), offering additional design margin.

Q: What is the test frequency for inductance measurement?

A: All three parts specify inductance measured at 100 kHz test frequency, ensuring consistent parameter comparison.

Q: Do the substitute parts meet the same regulatory compliance standards?

A: All parts maintain ROHS3 Compliant status, REACH Unaffected status, and MSL 1 (Unlimited) rating. All carry ECCN classification EAR99.

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