Equivalent & Substitute Parts Reference for LME0305SC

Part Overview

The LME0305SC from Murata Power Solutions Inc. is an isolated DC-DC converter providing a single 5V output at up to 50mA from a 2.97V–3.63V input, with 1 kV isolation. It is part of the LME (0.25W) series and comes in a 4-SIP through-hole module, measuring 0.45" x 0.24" x 0.39". The product status is listed as obsolete, making it commercially necessary to source alternative models with matching or compatible key electrical and mechanical parameters.

Key Parameters

Manufacturer Part Number	Series	Product Status	Type	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Mounting Type	Package / Case	Size / Dimension	Operating Temperature	RoHS Status	REACH Status	ECCN	HTSUS
LME0305SC	LME (0.25W)	Obsolete	Isolated Module	1	2.97V	3.63V	5V	50mA	250 mW	1 kV	Through Hole	4-SIP Module	0.45" L x 0.24" W x 0.39" H	0°C ~ 70°C	RoHS Compliant	REACH Unaffected	EAR99	8504.40.9580

Substitute Part Grouping Explanation

Substitute parts for the LME0305SC are selected strictly by matching electrical and mechanical parameters, including input and output voltage ranges, output current capability, isolation voltage, module pinout and form factor, and relevant compliance or certification statuses. These requirements ensure electrical compatibility and physical interchangeability, and compliance with requisite RoHS and REACH directives.

Parameter Comparison

Manufacturer Part Number	Type	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Mounting Type	Package / Case	Size / Dimension	Operating Temperature	RoHS Status	REACH Status	ECCN	HTSUS
LME0305SC	Isolated Module	1	2.97V	3.63V	5V	50mA	250 mW	1 kV	Through Hole	4-SIP Module	0.45" L x 0.24" W x 0.39" H	0°C ~ 70°C	RoHS Compliant	REACH Unaffected	EAR99	8504.40.9580
CME0305S3C	Isolated Module	1	2.97V	3.63V	5V	150mA	750 mW	3 kV	Through Hole	4-SIP Module	0.45" L x 0.24" W x 0.29" H	-40°C ~ 85°C	ROHS3 Compliant	REACH Unaffected	EAR99	8504.40.9580

Engineering Selection Recommendations

Selection is limited to substitute parts with status as active and compliance matching ROHS and REACH standards. CME0305S3C from Murata Power Solutions Inc. is listed as active, ROHS3 compliant, and REACH unaffected, which aligns with required certifications. Both parts share ECCN EAR99 and HTSUS 8504.40.9580 classifications.

Frequently Asked Questions (FAQ)

Q1: What are the critical compatibility parameters for substituting the LME0305SC?
A1: Input voltage range, output voltage, maximum output current, isolation voltage, package type, mounting, and compliance certifications.

Q2: Is the form factor identical for both the main and substitute models?
A2: Both LME0305SC and CME0305S3C utilize 4-SIP through-hole modules and share the same length and width, with a slight height variation.

Q3: Are there differences in operating temperature ranges?
A3: LME0305SC operates at 0°C ~ 70°C; CME0305S3C is rated for -40°C ~ 85°C.

Q4: Do both parts satisfy RoHS and REACH requirements?
A4: Both models are documented as compliant with RoHS and REACH statuses.

Q5: Does the substitute provide equivalent or higher electrical ratings?
A5: CME0305S3C meets all minimum requirements and exceeds the output current, power, and isolation voltage specifications.

Q6: Is mechanical mounting interchangeable between parts?
A6: Both parts use a 4-SIP through-hole mount, ensuring mechanical compatibility within the specified dimensions.

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