RO-1205S Equivalent & Substitute Parts Reference

Part Overview

RO-1205S by Recom Power is an active isolated DC-DC converter module supplying a regulated 5V output at up to 1W (200mA) from an input range of 10.8V to 13.2V. Its features include 1kV isolation, through-hole mounting, and a standard 4-SIP module package, suitable for ITE (Commercial) applications. Identifying equivalent and substitute parts is necessary for inventory management, second sourcing, and ensuring supply chain resilience when the primary part is unavailable or procurement flexibility is required.

Key Parameters

Parameter	Main Part: RO-1205S	Description
Type	Isolated Module	Defines isolation and function
Number of Outputs	1	Single regulated output
Voltage - Input (Min)	10.8V	Lowest input voltage
Voltage - Input (Max)	13.2V	Highest input voltage
Voltage - Output 1	5V	Regulated output voltage
Current - Output (Max)	200mA	Maximum allowed current
Power (Watts)	1W	Total output power
Voltage - Isolation	1 kV	Isolation rating
Operating Temperature	-40°C ~ 85°C	Functional ambient range
Mounting Type	Through Hole	Physical installation method
Package / Case	4-SIP Module	Compatible outline
Size / Dimension	0.45" L x 0.24" W x 0.39" H (11.5mm x 6.0mm x 10.0mm)	Physical footprint
Product Status	Active	Availability
RoHS Status	ROHS3 Compliant	Environmental compliance
REACH Status	REACH Unaffected	Regulatory compliance
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Storage requirements

Substitute Part Grouping Explanation

Substitute parts are grouped strictly based on matching these key electrical, mechanical, and regulatory parameters: type (Isolated Module), input voltage range, output voltage and current, power rating, isolation rating, operating temperature range, package (4-SIP Module), mounting type (Through Hole), size/dimension, product status (Active), RoHS compliance, REACH status, and moisture sensitivity level. Only parts that meet these exact specifications are considered as direct substitutes.

Parameter Comparison

Parameter	RO-1205S (Recom Power)	ROE-1205S (Recom Power)	CRE1S1205SC (Murata Power Solutions)
Type	Isolated Module	Isolated Module	Isolated Module
Number of Outputs	1	1	1
Voltage - Input (Min)	10.8V	10.8V	10.8V
Voltage - Input (Max)	13.2V	13.2V	13.2V
Voltage - Output 1	5V	5V	5V
Current - Output (Max)	200mA	200mA	200mA
Power (Watts)	1W	1W	1W
Voltage - Isolation	1 kV	1 kV	1 kV
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Efficiency	80%	80%	71%
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	4-SIP Module	4-SIP Module	4-SIP Module
Size / Dimension	0.45" x 0.24" x 0.39" (11.5mm x 6.0mm x 10.0mm)	0.45" x 0.24" x 0.39" (11.5mm x 6.0mm x 10.0mm)	0.45" x 0.24" x 0.39" (11.5mm x 6.1mm x 10.0mm)
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Not Applicable

Engineering Selection Recommendations

All substitute parts provided are active components with matching key parameters, RoHS3 compliance, and REACH unaffected status. Their product status as "Active" confirms availability for ongoing production use. Moisture Sensitivity Level (MSL) is listed as unlimited for both Recom Power modules and as not applicable for the Murata Power Solutions module. All substitutes possess identical input and output specifications and share a compatible package outline, supporting direct interchangeability for the defined use case.

Frequently Asked Questions (FAQ)

Q1: What parameters are mandatory for substitution in isolated DC-DC modules like RO-1205S?
Electrical input range, output voltage and current, power rating, isolation voltage, operating temperature, mounting style, package/case, environmental compliance, and product status must all match for direct substitution.

Q2: Are the listed substitute parts physically interchangeable with RO-1205S?
All substitute parts provided are in the 4-SIP Module package with through-hole mounting and comparable physical dimensions for direct installation in equivalent board layouts.

Q3: How does efficiency affect substitution?
Efficiency is provided for reference. All other primary electrical and physical parameters match, enabling substitution for standard ITE applications.

Q4: What regulatory compliance is required for substitutes in this category?
Substitute parts must be RoHS3 compliant and REACH unaffected, fulfilling regulatory standards as stated in the parameters.

Q5: How important is the Moisture Sensitivity Level (MSL) when selecting equivalents?
Moisture Sensitivity Level is relevant for storage and handling; substitutes are listed with MSL 1 (Unlimited) or Not Applicable, consistent with through-hole module requirements.

Q6: Can substitute parts be used for ongoing new designs?
All listed parts are "Active" status and comply with all provided regulatory requirements, making them suitable for production and ongoing sourcing.

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