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Equivalent & Substitute Parts for RSS-153.3 DC DC Converter
Part Overview
The RSS-153.3 (Recom Power) is an isolated DC-DC converter module offering a single 3.3V output at up to 303mA, designed for commercial ITE applications. With an input voltage range of 13.5V to 16.5V and 1kV isolation, it features surface-mount packaging and is rated for 1W output power. The part status for RSS-153.3 is obsolete, making it necessary to identify substitute or equivalent models with matching electrical, mechanical, and compliance characteristics.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | RSS-153.3 |
| Series | ECONOLINE RSS (1W) |
| Product Status | Obsolete |
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 13.5V |
| Voltage - Input (Max) | 16.5V |
| Voltage - Output 1 | 3.3V |
| Current - Output (Max) | 303mA |
| Power (Watts) | 1 W |
| Voltage - Isolation | 1 kV |
| Applications | ITE (Commercial) |
| Features | SCP |
| Operating Temperature | -40°C ~ 85°C |
| Efficiency | 75% |
| Mounting Type | Surface Mount |
| Package / Case | 8-SMD Module, 5 Leads |
| Size / Dimension | 0.50" L x 0.32" W x 0.29" H (12.8mm x 8.2mm x 7.3mm) |
| RoHS Status | ROHS3 Compliant |
| MSL | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8504.40.9580 |
Substitute Part Grouping Explanation
Substitution is determined by electrical parameters (input/output voltage, output current, power rating, isolation voltage, efficiency), mechanical form factor (mounting type, package/case, size/dimension), operating conditions (temperature range), and compliance attributes (RoHS, REACH, MSL, ECCN). The substitute part R1S-153.3 matches all required characteristics, ensuring compatibility within the specified design envelope. Only substitute parts with parameters explicitly aligned with the RSS-153.3 are listed.
Parameter Comparison
| Parameter | RSS-153.3 | R1S-153.3 |
|---|---|---|
| Manufacturer Part Number | RSS-153.3 | R1S-153.3 |
| Manufacturer | Recom Power | Recom Power |
| Description | DC DC CONVERTER 3.3V 1W | DC DC CONVERTER 3.3V 1W |
| Detailed Description | Isolated Module DC DC Converter 1 Output 3.3V 303mA 13.5V - 16.5V Input | Isolated Module DC DC Converter 1 Output 3.3V 303mA 13.5V - 16.5V Input |
| Series | ECONOLINE RSS (1W) | ECONOLINE R1S (1W) |
| Product Status | Obsolete | Active |
| Type | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 13.5V | 13.5V |
| Voltage - Input (Max) | 16.5V | 16.5V |
| Voltage - Output 1 | 3.3V | 3.3V |
| Current - Output (Max) | 303mA | 303mA |
| Power (Watts) | 1 W | 1 W |
| Voltage - Isolation | 1 kV | 1 kV |
| Applications | ITE (Commercial) | ITE (Commercial) |
| Features | SCP | SCP |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 100°C |
| Efficiency | 75% | 75% |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-SMD Module, 5 Leads | 8-SMD Module, 5 Leads |
| Size / Dimension | 0.50" L x 0.32" W x 0.29" H (12.8mm x 8.2mm x 7.3mm) | 0.50" L x 0.42" W x 0.28" H (12.8mm x 10.7mm x 7.0mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| 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 the substitute DC-DC converter is based on the part status and compliance certifications. RSS-153.3 is obsolete, while R1S-153.3 is active and available in stock. Both parts meet ROHS3 and REACH requirements, share the same MSL (1, unlimited), and hold identical ECCN and HTSUS classifications. Compatibility is established by equivalent electrical ratings and mechanical specifications within the product category.
Frequently Asked Questions (FAQ)
Q1: What critical parameters must match for substitution of DC-DC converter modules in this category?
A1: Input voltage range, output voltage/current rating, isolation voltage, mounting type, package/case, efficiency, temperature range, and compliance status.
Q2: Are there notable differences in the mechanical form factor between RSS-153.3 and R1S-153.3?
A2: Both utilize an 8-SMD Module, 5 Leads package. Size/dimension varies slightly: RSS-153.3 is 0.50" L x 0.32" W x 0.29" H while R1S-153.3 is 0.50" L x 0.42" W x 0.28" H.
Q3: How does part status impact substitute selection?
A3: RSS-153.3 is obsolete. R1S-153.3 is active, making it suitable for ongoing design and procurement requirements.
Q4: What compliance certifications are required for valid substitution?
A4: RoHS3 compliance, REACH unaffected status, MSL 1 (unlimited), identical ECCN and HTSUS codes are all present in both models.
Q5: Can mounting type or package variation affect interchangeability?
A5: Only substitutes with the same surface mount type and equivalent package/case are included, ensuring compatibility in assembly and operation.
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