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PSS3-5-3R3 Equivalent & Substitute Parts
Part Overview
The TDK-Lambda Americas Inc PSS3-5-3R3 is an Isolated Module DC DC Converter featuring a single 3.3V output rated at 600mA with a 2W power rating, designed for ITE (Commercial) applications. The input voltage range is 4.5V to 9V. The part features remote on/off and overcurrent protection. Its compact 6-DIP Module package suits through-hole PCB mounting. The product is obsolete, making it necessary to find alternative models for ongoing production and design continuity.
Substiute Parts
Key Parameters
| Parameter | PSS3-5-3R3 |
|---|---|
| Manufacturer | TDK-Lambda Americas Inc |
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 9V |
| Voltage - Output 1 | 3.3V |
| Current - Output (Max) | 600mA |
| Power (Watts) | 2 W |
| Applications | ITE (Commercial) |
| Mounting Type | Through Hole |
| Package / Case | 6-DIP Module |
| Operating Temperature | -40°C ~ 85°C (With Derating) |
Substitute Part Grouping Explanation
Substitute parts for PSS3-5-3R3 are determined strictly by matching key parameters, including input voltage range, output voltage, output current, power rating, isolation type, mounting style, and packaging. Only parts with an input range of 4.5V to 9V, a single 3.3V output, through-hole mounting, and suitable current and power ratings are considered.
Parameter Comparison
| Parameter | PSS3-5-3R3 | CC3-0503SF-E |
|---|---|---|
| Manufacturer | TDK-Lambda Americas Inc | TDK-Lambda Americas Inc |
| Type | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 4.5V | 4.5V |
| Voltage - Input (Max) | 9V | 9V |
| Voltage - Output 1 | 3.3V | 3.3V |
| Current - Output (Max) | 600mA | 800mA |
| Power (Watts) | 2 W | 3 W |
| Applications | ITE (Commercial) | ITE (Commercial) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 6-DIP Module | 7-DIP Module |
| Operating Temperature | -40°C ~ 85°C (With Derating) | -40°C ~ 85°C |
Engineering Selection Recommendations
The primary part, PSS3-5-3R3, is obsolete. The substitute part, CC3-0503SF-E, is active and RoHS compliant. Both are supplied by TDK-Lambda Americas Inc and are suitable for ITE (Commercial) applications. Inventory status for both parts is provided.
Frequently Asked Questions (FAQ)
Q: What key electrical parameters determine equivalence for PSS3-5-3R3 substitutes?
A: Input voltage range, output voltage, output current, power rating, number of outputs, and isolation type.
Q: Are the mounting methods and package types compatible?
A: Both parts use through-hole mounting. The package differs (6-DIP Module versus 7-DIP Module); check PCB layout compatibility.
Q: Do substitute parts require new compliance or certification steps?
A: The substitute CC3-0503SF-E is RoHS compliant and meets ITE (Commercial) application requirements based on the provided data.
Q: Is there a difference in output capability between the parts?
A: CC3-0503SF-E supports a higher output current (800mA) and power rating (3 W) compared to PSS3-5-3R3 (600mA, 2 W).
Q: What package differences should be noted?
A: PSS3-5-3R3 uses a 6-DIP Module, while CC3-0503SF-E uses a 7-DIP Module. Ensure physical compatibility in layout design.
Q: Can this substitute be used in all existing designs for PSS3-5-3R3?
A: Suitability is determined by electrical and mechanical equivalence, focusing on key parameters as outlined.
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