RN-0505S Equivalent & Substitute Parts Reference

Part Overview

The RN-0505S by Recom Power is an isolated DC-DC converter module providing a single 5V output at up to 250mA from a 4.5V–5.5V input, rated for 1.25W output power, and housed in a through-hole 8-DIP package. It is active and RoHS3 compliant, with an operating temperature range of -40°C to 85°C. Substitutes are considered when addressing inventory requirements, design continuity, or supply chain constraints while maintaining the core electrical and mechanical characteristics necessary for proper system operation.

Key Parameters

Parameter	RN-0505S
Category	Isolated Module DC DC Converter
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	5.5V
Voltage - Output 1	5V
Current - Output (Max)	250mA
Power (Watts)	1.25 W
Voltage - Isolation	1 kV
Applications	ITE (Commercial)
Operating Temperature	-40°C ~ 85°C
Efficiency	72%
Mounting Type	Through Hole
Package / Case	8-DIP Module, 4 Leads
Size / Dimension	0.50" L x 0.40" W x 0.30" H (12.8mm x 10.1mm x 7.6mm)
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts are grouped based on strict equivalence and compatibility with the RN-0505S regarding the following parameters: input voltage range, output voltage, current output, output power, isolation voltage, package type, mounting type, operating temperature range, RoHS compliance, REACH status, and product category. Substitution is considered only where these key parameters align within specified tolerances and form factors, ensuring compatibility in electrical and mechanical interfaces.

Parameter Comparison

Parameter	RN-0505S	CRE1S0505DC
Category	Isolated Module DC DC Converter	Isolated Module DC DC Converter
Type	Isolated Module	Isolated Module
Number of Outputs	1	1
Voltage - Input (Min)	4.5V	4.5V
Voltage - Input (Max)	5.5V	5.5V
Voltage - Output 1	5V	5V
Current - Output (Max)	250mA	200mA
Power (Watts)	1.25 W	1 W
Voltage - Isolation	1 kV	1 kV
Applications	ITE (Commercial)	ITE (Commercial)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Efficiency	72%	70%
Mounting Type	Through Hole	Through Hole
Package / Case	8-DIP Module, 4 Leads	8-DIP Module, 4 Leads
Size / Dimension	0.50" L x 0.40" W x 0.30" H (12.8mm x 10.1mm x 7.6mm)	0.46" L x 0.39" W x 0.27" H (11.6mm x 9.9mm x 6.9mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Active

Engineering Selection Recommendations

Both RN-0505S and CRE1S0505DC are active, RoHS3 compliant, and REACH unaffected. Either part meets environmental and compliance criteria as stipulated in the provided data.

Frequently Asked Questions (FAQ)

Q1: What are the most important criteria for substituting RN-0505S?
A1: The substitution is based on matching category, input voltage range, output voltage, output current, power, isolation voltage, operating temperature, package type, RoHS and REACH compliance, and mounting type.

Q2: Are there any mechanical differences between RN-0505S and CRE1S0505DC?
A2: Both utilize 8-DIP Module, 4 Leads through-hole packages. Dimensions differ slightly but both parts remain within industry-standard footprints for this category.

Q3: Do both parts maintain the same compliance standards?
A3: Yes, both RN-0505S and CRE1S0505DC are ROHS3 compliant and REACH unaffected per provided parameters.

Q4: Can CRE1S0505DC provide the same maximum current as RN-0505S?
A4: RN-0505S is rated for up to 250mA while CRE1S0505DC is rated for up to 200mA.

Q5: Does the output power rating differ between these parts?
A5: RN-0505S is rated at 1.25W, while CRE1S0505DC is rated at 1W.

Q6: Is the substitution affected by the operating temperature range?
A6: Both parts support an operating temperature of -40°C to 85°C.

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