PLY10AS1430R5R2B Common Mode Choke Equivalent & Substitute Parts

Part Overview

The PLY10AS1430R5R2B is a 2-line common mode choke manufactured by Murata Electronics, designed for power line filtering applications with a 500mA current rating and through-hole mounting. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The PLY10AS series provides electromagnetic interference (EMI) suppression in two-conductor power distribution circuits.

Substiute Parts

PLY10AS1430R5R2B

Murata ElectronicsIn Stock: 768PLY10AS1430R5R2B Datasheet

Current PartRFQ

RN212-0.5-02-15M

Schaffner EMC Inc.In Stock: 845RN212-0.5-02-15M Datasheet

MFR RecommendedRFQ

SU10VFC-R05140

KEMETIn Stock: 1197SU10VFC-R05140 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PLY10AS1430R5R2B are qualified based on the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Number of Lines: 2 (mandatory match)
• Current Rating (Max): 500mA (mandatory match)
• Mounting Type: Through Hole (mandatory match)
• Package / Case: Vertical, 4 PC Pin (mandatory match)
• Filter Type: Power Line (mandatory match)
• AC Voltage Rating: 300V or higher (minimum requirement)

Secondary Compatibility Factors:

• Operating temperature range must accommodate the application environment
• Physical dimensions must fit the PCB layout constraints
• DC Resistance (DCR) and inductance values must meet circuit performance requirements

Two substitute parts meet these criteria: RN212-0.5-02-15M (Schaffner EMC Inc.) and SU10VFC-R05140 (KEMET). Both maintain the core electrical specifications while offering active product status and enhanced compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

RN212-0.5-02-15M (Schaffner EMC Inc.) is the manufacturer-recommended substitute. This part maintains the 300V AC voltage rating of the original PLY10AS1430R5R2B and offers an extended operating temperature range (-40°C ~ 100°C). The RN212 series holds active product status with ENEC, UR, and VDE approvals, providing enhanced regulatory compliance. The specified inductance of 15 mH @ 10 kHz and typical DCR of 700mOhm support equivalent EMI filtering performance. Physical dimensions are comparable, with a slightly reduced width (12.50mm vs. 16.00mm) and increased height (20.30mm vs. 17.50mm), requiring PCB layout verification.

SU10VFC-R05140 (KEMET) is an alternative substitute with active product status and RoHS3 compliance. This part offers the widest operating temperature range (-25°C ~ 120°C) and the lowest profile height (15.00mm). The 14 mH @ 1 kHz inductance and 1.6Ohm DCR differ from the Schaffner option, requiring circuit performance validation. The AC voltage rating is 250V, which is 50V lower than the original specification. This part is suitable for applications where the lower voltage rating is acceptable and compact height is advantageous.

Both substitutes maintain the 500mA current rating, 2-line configuration, through-hole mounting, and vertical 4-pin package required for direct replacement. Selection between RN212-0.5-02-15M and SU10VFC-R05140 depends on specific circuit requirements for inductance, DCR, voltage margin, and thermal operating conditions.

Frequently Asked Questions (FAQ)

Q: Can RN212-0.5-02-15M and SU10VFC-R05140 be used interchangeably with PLY10AS1430R5R2B?

A: Both parts meet the core substitution criteria (2-line, 500mA, through-hole, vertical 4-pin package, power line filter type). However, differences in inductance values, DCR, and voltage ratings require circuit-level evaluation. The RN212-0.5-02-15M maintains the 300V AC rating; the SU10VFC-R05140 operates at 250V AC. Inductance specifications differ (15 mH @ 10 kHz vs. 14 mH @ 1 kHz), which may affect EMI filtering performance depending on the application frequency range.

Q: What are the physical dimension differences, and do they affect PCB compatibility?

A: The original PLY10AS1430R5R2B measures 18.00mm L x 16.00mm W x 17.50mm H. The RN212-0.5-02-15M is 18.00mm L x 12.50mm W x 20.30mm H (narrower, taller). The SU10VFC-R05140 is 18.00mm L x 15.50mm W x 15.00mm H (similar width, shortest height). Length remains constant at 18.00mm across all three parts. PCB layout must accommodate the height and width variations, particularly the increased height of the RN212 option.

Q: Which substitute offers the best compliance certifications?

A: The RN212-0.5-02-15M (Schaffner) holds ENEC, UR, and VDE approvals, providing comprehensive European and North American regulatory recognition. The SU10VFC-R05140 (KEMET) carries RoHS3 compliance. Both parts maintain REACH Unaffected status and EAR99 export classification. Compliance selection depends on target market regulatory requirements.

Q: Are there temperature range considerations for substitute selection?

A: The original PLY10AS1430R5R2B operates from -25°C to 60°C. The RN212-0.5-02-15M extends this to -40°C to 100°C, and the SU10VFC-R05140 to -25°C to 120°C. If the application requires operation below -25°C or above 60°C, the extended-range substitutes provide additional thermal margin. For standard industrial temperature ranges, both substitutes are suitable.

Q: What is the significance of DCR differences between the substitutes?

A: The RN212-0.5-02-15M specifies 700mOhm typical DCR, while the SU10VFC-R05140 specifies 1.6Ohm. Lower DCR reduces power dissipation and heat generation at the 500mA current rating. The RN212 option dissipates approximately 175mW (0.7Ω × 0.5A²), while the SU10VFC-R05140 dissipates approximately 400mW (1.6Ω × 0.5A²). For thermally constrained applications, the lower DCR of the RN212 is advantageous.

Q: How do inductance specifications affect EMI filtering performance?

A: The RN212-0.5-02-15M provides 15 mH @ 10 kHz, while the SU10VFC-R05140 provides 14 mH @ 1 kHz. Inductance values are measured at different frequencies, reflecting different measurement methodologies. Both values are comparable in magnitude. The choice depends on whether the application's EMI frequency content aligns better with 1 kHz or 10 kHz measurement conditions. Circuit simulation or empirical testing may be required to confirm equivalent filtering performance.