Murata Power Solutions 78601/1MC Pulse Transformer - Equivalent & Substitute Parts

Part Overview

The Murata Power Solutions 78601/1MC is a 2mH general purpose pulse transformer with 1:1 turns ratio, designed for surface mount applications. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Organizations currently using this part in active production or maintenance applications require qualified substitute components that maintain electrical and mechanical compatibility while offering continued supply availability and compliance with current regulatory standards.

Substiute Parts

78601/1MC

Murata Power SolutionsIn Stock: 87778601/1MC Datasheet

Current PartRFQ

78601/1JC

Murata Power Solutions Inc.In Stock: 1048778601/1JC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The 78601/1MC can be substituted with the 78601/1JC based on strict electrical and mechanical parameter equivalence. Both components share identical specifications across all critical substitution criteria:

• Inductance: 2mH (exact match)
• ET (Volt-Time): 20VµS (exact match)
• Turns Ratio: 1:1 (exact match)
• Mounting Type: Surface Mount (exact match)
• Physical Dimensions: 0.375" L x 0.354" W x 0.250" H maximum (exact match)
• Operating Temperature Range: 0°C ~ 70°C (exact match)
• RoHS3 Compliance: Both parts meet this requirement
• MSL Rating: 1 (Unlimited) for both parts

The 78601/1JC represents an active product variant within the same 786 series family, offering continued manufacturing support and improved supply chain availability compared to the discontinued 78601/1MC.

Parameter Comparison

Engineering Selection Recommendations

The 78601/1JC is the qualified substitute for the 78601/1MC based on the following engineering criteria:

Electrical Equivalence: Both components deliver identical inductance (2mH), volt-time product (20VµS), and turns ratio (1:1), ensuring functional interchangeability in circuit applications.

Mechanical Compatibility: Identical surface mount footprint, dimensions, and height specifications enable direct PCB layout compatibility without redesign.

Regulatory Compliance: Both parts maintain ROHS3 compliance and EAR99 export classification. The 78601/1JC offers the additional advantage of REACH Unaffected status, reducing regulatory documentation requirements compared to the REACH Affected 78601/1MC.

Product Status: The 78601/1JC carries Active product status with significantly higher inventory availability (10,442 pieces versus 803 pieces), providing superior supply chain continuity for ongoing production and maintenance applications.

Temperature Performance: Both components operate across the identical 0°C to 70°C temperature range, maintaining thermal compatibility in specified operating environments.

Frequently Asked Questions (FAQ)

Q: Can the 78601/1JC be used as a direct replacement for the 78601/1MC in existing designs?

A: Yes. The 78601/1JC provides direct electrical and mechanical substitution. Identical inductance, turns ratio, physical dimensions, and operating temperature range ensure functional compatibility without circuit modification or PCB redesign.

Q: What is the primary advantage of switching from 78601/1MC to 78601/1JC?

A: The 78601/1JC is an active product with substantially higher inventory availability and REACH Unaffected regulatory status. The 78601/1MC is classified as "Not For New Designs," indicating discontinued status.

Q: Are there any compliance differences between these two parts?

A: Both parts are ROHS3 compliant and carry EAR99 export classification. The 78601/1JC is REACH Unaffected, while the 78601/1MC is REACH Affected. This distinction may simplify supply chain documentation for the substitute part.

Q: Do these transformers have identical moisture sensitivity ratings?

A: Yes. Both the 78601/1MC and 78601/1JC carry MSL Rating 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Will the 78601/1JC fit the same PCB footprint as the 78601/1MC?

A: Yes. Both components share identical surface mount dimensions (0.375" L x 0.354" W) and maximum seated height (0.250"), enabling direct PCB layout compatibility.

Q: What is the ET (Volt-Time) specification, and is it identical between these parts?

A: ET (Volt-Time) is 20VµS for both components. This parameter defines the transformer's core saturation characteristics and is critical for pulse application performance. Identical values ensure equivalent circuit behavior.

Q: Are both parts supplied in the same packaging format?

A: Yes. Both the 78601/1MC and 78601/1JC are supplied in tube packaging, maintaining consistency in receiving, handling, and component placement processes.