PCMC135T-1R0MF Equivalent & Substitute Parts

Part Overview

The PCMC135T-1R0MF is a 1 µH unshielded surface mount inductor manufactured by Susumu, rated for 29 A continuous current with a maximum DC resistance of 2.5 mOhm. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain electrical performance across inductance, current rating, saturation current, and DC resistance specifications while accommodating potential differences in shielding configuration and physical dimensions.

Substiute Parts

PCMC135T-1R0MF

SusumuIn Stock: 3973PCMC135T-1R0MF Datasheet

Current PartRFQ

BMMA001313501R0MX1

Pulse ElectronicsIn Stock: 997BMMA001313501R0MX1 Datasheet

SimilarRFQ

HCM1305-1R0-R

Eaton - Electronics DivisionIn Stock: 4496HCM1305-1R0-R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PCMC135T-1R0MF are qualified based on the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Inductance: 1 µH at 100 kHz test frequency
• Inductance Tolerance: ±20%
• Current Rating: 29 A minimum
• Saturation Current: 50 A minimum
• DC Resistance: 2.5 mOhm maximum

Mechanical Compatibility Criteria:

• Mounting Type: Surface Mount
• Package Classification: Nonstandard
• Physical Dimensions: Within acceptable tolerance for board layout integration
• Height (Seated): Comparable to original specification

Compliance & Environmental Criteria:

• RoHS3 Compliance required
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected

The identified substitute parts meet all electrical performance requirements and maintain compliance certifications. Differences in shielding configuration (unshielded vs. shielded) and core material composition do not preclude substitution when electromagnetic interference considerations are not design-critical constraints.

Parameter Comparison

Engineering Selection Recommendations

HCM1305-1R0-R (Eaton - Electronics Division) is the primary substitute for the PCMC135T-1R0MF. This part maintains active product status, ensuring long-term availability and supply chain continuity. The HCM1305-1R0-R delivers superior DC resistance performance (2.42 mOhm vs. 2.5 mOhm maximum), reducing thermal losses in high-current applications. The shielded drum core, wirewound construction with iron powder core provides enhanced electromagnetic containment compared to the unshielded original design. Operating temperature range specification (-55°C ~ 125°C) extends environmental operating envelope. Inventory availability of 4400 units supports production requirements. ROHS3 compliance and REACH unaffected status maintain regulatory alignment.

BMMA001313501R0MX1 (Pulse Electronics) serves as a secondary substitute option. This molded shielded inductor maintains electrical equivalence across all critical parameters and active product status. The BMMA series provides alternative sourcing and supply chain redundancy. Shielded construction offers electromagnetic interference mitigation benefits. Operating temperature range (-55°C ~ 125°C) matches the Eaton alternative. Tape & Reel packaging supports automated assembly processes. Inventory of 925 units accommodates moderate production volumes. ROHS3 compliance and REACH unaffected status satisfy regulatory requirements.

Both substitute parts accommodate physical dimension variations within acceptable board layout tolerances. Selection between alternatives depends on electromagnetic shielding requirements, supply chain preferences, and production volume considerations.

Frequently Asked Questions (FAQ)

Q: Can the PCMC135T-1R0MF be directly replaced with the HCM1305-1R0-R or BMMA001313501R0MX1?

A: Yes. Both substitute parts meet all electrical performance specifications: 1 µH inductance at ±20% tolerance, 29 A current rating, 50 A saturation current, and 2.5 mOhm maximum DC resistance. Surface mount mounting type and nonstandard package classification ensure mechanical compatibility. ROHS3 compliance and MSL 1 rating maintain environmental and handling requirements.

Q: What is the primary difference between the original PCMC135T-1R0MF and the substitute parts?

A: The PCMC135T-1R0MF is unshielded, while both HCM1305-1R0-R and BMMA001313501R0MX1 are shielded inductors. Shielding reduces electromagnetic field radiation and susceptibility to external interference. The HCM1305-1R0-R uses a drum core wirewound construction with iron powder core material, while the BMMA001313501R0MX1 employs molded construction. These design differences do not affect electrical equivalence for the specified inductance, current, and resistance parameters.

Q: Are there operating temperature considerations when substituting the PCMC135T-1R0MF?

A: The original PCMC135T-1R0MF does not specify an operating temperature range. Both substitute parts are rated for -55°C ~ 125°C operation, providing defined thermal performance boundaries. Applications requiring operation outside this range require design review.

Q: How do physical dimensions compare between the main part and substitutes?

A: The PCMC135T-1R0MF measures 0.530" L x 0.496" W x 0.189" H (13.45mm x 12.60mm x 4.80mm). The HCM1305-1R0-R measures 0.524" L x 0.480" W x 0.197" H (13.30mm x 12.20mm x 5.00mm). The BMMA001313501R0MX1 measures 0.520" L x 0.508" W x 0.197" H (13.20mm x 12.90mm x 5.00mm). Dimensional variations are within typical board layout tolerances for nonstandard package classifications. PCB footprint verification is required for specific applications.

Q: What packaging formats are available for the substitute parts?

A: Both HCM1305-1R0-R and BMMA001313501R0MX1 are supplied in Tape & Reel (TR) format, supporting automated pick-and-place assembly processes. The original PCMC135T-1R0MF packaging format is not specified. Tape & Reel packaging provides standardized component handling and reduces manual assembly labor.

Q: Do the substitute parts maintain RoHS and REACH compliance?

A: Yes. Both HCM1305-1R0-R and BMMA001313501R0MX1 are ROHS3 compliant and REACH unaffected, matching the original PCMC135T-1R0MF compliance status. Regulatory requirements for hazardous substance restrictions and chemical inventory reporting are satisfied.

Q: Which substitute part should be selected for new designs?

A: The HCM1305-1R0-R is recommended for new designs due to active product status, superior DC resistance performance (2.42 mOhm), higher inventory availability (4400 units), and established supply chain presence through Eaton - Electronics Division. The BMMA001313501R0MX1 provides alternative sourcing and supply chain redundancy for production continuity.