Equivalent & Substitute Parts Reference for RSS-1205

Part Overview

The Recom Power RSS-1205 is a DC DC converter module with isolated output, designed for ITE (Commercial) applications. It features a single output of 5V at up to 200mA, with an input voltage range of 10.8V to 13.2V and 1kV isolation. The RSS-1205 is packaged in an 8-SMD Module, 5 Leads, and supports surface-mount installation. It delivers 1W of power with a rated efficiency of 78%. The product is currently classified as obsolete, making identification of fully compatible substitute models essential to maintain design continuity and certification compliance.

Key Parameters

Parameter	Main Part (RSS-1205)
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	10.8V
Voltage - Input (Max)	13.2V
Voltage - Output 1	5V
Current - Output (Max)	200mA
Power (Watts)	1 W
Voltage - Isolation	1 kV
Efficiency	78%
Mounting Type	Surface Mount
Package / Case	8-SMD Module, 5 Leads
Operating Temperature	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8504.40.9580

Substitute Part Grouping Explanation

Substitute eligibility is strictly determined by matching key electrical and mechanical parameters: number of outputs, input voltage range, output voltage and current, isolation rating, power capability, efficiency, mounting type, package/case specifications, environmental ratings, and compliance certifications. Compatibility within these defined limits ensures interchangeable use in existing designs without deviation from intended performance or qualification standards.

Parameter Comparison

Parameter	Main Part (RSS-1205)	Substitute Part (R1S-1205)
Type	Isolated Module	Isolated Module
Number of Outputs	1	1
Voltage - Input (Min)	10.8V	10.8V
Voltage - Input (Max)	13.2V	13.2V
Voltage - Output 1	5V	5V
Current - Output (Max)	200mA	200mA
Power (Watts)	1 W	1 W
Voltage - Isolation	1 kV	1 kV
Efficiency	78%	78%
Mounting Type	Surface Mount	Surface Mount
Package / Case	8-SMD Module, 5 Leads	8-SMD Module, 5 Leads
Operating Temperature	-40°C ~ 85°C	-40°C ~ 100°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8504.40.9580	8504.40.9580

Engineering Selection Recommendations

Selection of substitute parts should be based on matching product status, RoHS compliance, REACH status, ECCN, and MSL certifications. For RSS-1205, the substitute part R1S-1205 meets all provided regulatory and certification requirements and is listed as active, making it suitable for direct substitution in applications formerly utilizing RSS-1205.

Frequently Asked Questions (FAQ)

Q1: What parameters must match for direct substitution of DC DC converter modules?
A1: Key parameters include output voltage, output current, input voltage range, power rating, isolation voltage, efficiency, mounting type, package/case, operating temperature, RoHS compliance, MSL, REACH status, ECCN, and HTSUS codes.

Q2: Are mounting type and package dimensions critical for substitution?
A2: Mounting type and package/case definition must be exactly matched to ensure mechanical compatibility with existing PCB designs. Both RSS-1205 and R1S-1205 utilize 8-SMD Module, 5 Leads for surface mount installation.

Q3: Does product status affect replacement selection?
A3: Obsolete status of the RSS-1205 necessitates selection of an active, fully matched alternative such as R1S-1205 to maintain supply chain and support ongoing production.

Q4: Are compliance markers (RoHS, REACH, ECCN) required to match for DC DC converter substitution?
A4: Yes. Compliance, regulatory, and certification markers must align to ensure consistent qualification and adherence to legal or environmental requirements. Both RSS-1205 and R1S-1205 are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99.

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