LME1212SC Equivalent & Substitute Parts Reference

Part Overview

The LME1212SC, manufactured by Murata Power Solutions Inc., is an isolated DC-DC converter module. It delivers a single 12V output at up to 21mA with an input voltage range of 10.8V to 13.2V and a maximum power output of 250mW. This part is classified as obsolete, prompting the need for identifying compatible substitute parts for applications requiring similar electrical and mechanical characteristics.

Key Parameters

Parameter	LME1212SC
Manufacturer	Murata Power Solutions Inc.
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	10.8V
Voltage - Input (Max)	13.2V
Voltage - Output 1	12V
Current - Output (Max)	21mA
Power (Watts)	250mW
Voltage - Isolation	1kV
Applications	ITE (Commercial)
Efficiency	75%
Operating Temperature	0°C ~ 70°C
Mounting Type	Through Hole
Package / Case	4-SIP Module
Size / Dimension	0.45" L x 0.24" W x 0.39" H (11.4mm x 6.1mm x 9.9mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

The substitute part is grouped based on matching or compatible electrical and mechanical parameters: input voltage range, output voltage and current, power rating, isolation voltage, application type, efficiency, mounting style, and mechanical package. Only parts listed with explicit values for these parameters are considered as substitutes.

Key parameters used for substitution:

Electrical compatibility (input/output voltage, output current, power rating)
Voltage isolation
Package type and size
Mounting type
Application classification
Environmental and compliance standards

Parameter Comparison

Parameter	LME1212SC	CRE1S0505SC
Manufacturer	Murata Power Solutions Inc.	Murata Power Solutions Inc.
Type	Isolated Module	Isolated Module
Number of Outputs	1	1
Voltage - Input (Min)	10.8V	4.5V
Voltage - Input (Max)	13.2V	5.5V
Voltage - Output 1	12V	5V
Current - Output (Max)	21mA	200mA
Power (Watts)	250mW	1W
Voltage - Isolation	1kV	1kV
Applications	ITE (Commercial)	ITE (Commercial)
Efficiency	75%	70%
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C
Mounting Type	Through Hole	Through Hole
Package / Case	4-SIP Module	4-SIP Module
Size / Dimension	0.45" L x 0.24" W x 0.39" H (11.4mm x 6.1mm x 9.9mm)	0.45" L x 0.24" W x 0.39" H (11.5mm x 6.1mm x 10.0mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Selection is based on main part obsolescence status (LME1212SC: Obsolete) and compliance with RoHS3 regulations. Both the original and substitute part, CRE1S0505SC, are RoHS3 compliant and are suitable for ITE (Commercial) applications. Package dimensions, mounting type, and isolation voltage match within the allowed tolerances provided. Selection does not consider any parameter outside the submitted information.

Frequently Asked Questions (FAQ)

Q1: What are the main factors to consider when substituting the LME1212SC?
A1: The main factors are input and output voltage, output current, power rating, isolation voltage, mechanical package, mounting type, application class, and compliance/regulatory status.

Q2: Are there mechanical differences between the LME1212SC and CRE1S0505SC?
A2: Both parts use a 4-SIP Module through-hole package with similar dimensions as specified.

Q3: Is the output voltage and current compatible for the substitute?
A3: The output voltage and current are specified for each part. Substitute compatibility is determined by matching these explicit parameters.

Q4: Can the substitute part be directly mounted in the same footprint?
A4: Both the LME1212SC and CRE1S0505SC use the 4-SIP Module footprint as defined in the provided dimensions.

Q5: Is RoHS compliance maintained with the substitute?
A5: Both parts are RoHS3 compliant as per the supplied data.

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