Equivalent & Substitute Parts Reference: PSS3-5-5

Part Overview

TDK-Lambda Americas Inc model PSS3-5-5 is classified as an isolated module DC-DC converter, supplying 5V at up to 600mA output current, with an input voltage range of 4.5V to 9V and a total output power of 3W. This component features remote on/off and over-current protection capabilities and is suitable for ITE (Commercial) applications. The part is currently marked as obsolete, making it necessary to identify suitable alternatives for design continuity and long-term production support.

Key Parameters

Parameter	PSS3-5-5
Manufacturer	TDK-Lambda Americas Inc
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	9V
Voltage - Output 1	5V
Current - Output (Max)	600mA
Power (Watts)	3W
Applications	ITE (Commercial)
Operating Temperature	-40°C ~ 85°C (With Derating)
Mounting Type	Through Hole
Package / Case	6-DIP Module
Size / Dimension	1.02" L x 0.63" W x 0.31" H (25.9mm x 16.0mm x 8.0mm)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts are selected using only the provided key electrical and mechanical parameters. The allowed parameters dictating direct substitution include:

Manufacturer
Type (Isolated Module)
Number of Outputs (1)
Output Voltage (5V)
Maximum Output Current (600mA)
Input Voltage Range (4.5V-9V)
Maximum Output Power (3W)
Application Category (ITE (Commercial))
Operating Temperature Range (-40°C ~ 85°C)
Mounting Type (Through Hole)
Package and Dimensions

Parts meeting these attributes can be considered for direct substitution, irrespective of series, so long as all listed criteria align with the main part’s specifications.

Parameter Comparison

Parameter	PSS3-5-5	CC3-0505SF-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	5V	5V
Current - Output (Max)	600mA	600mA
Power (Watts)	3W	3W
Applications	ITE (Commercial)	ITE (Commercial)
Operating Temperature	-40°C ~ 85°C (With Derating)	-40°C ~ 85°C
Mounting Type	Through Hole	Through Hole
Package / Case	6-DIP Module	7-DIP Module
Size / Dimension	1.02" L x 0.63" W x 0.31" H (25.9mm x 16.0mm x 8.0mm)	0.90" L x 0.65" W x 0.34" H (22.9mm x 16.6mm x 8.5mm)
Product Status	Obsolete	Active

Engineering Selection Recommendations

CC3-0505SF-E by TDK-Lambda Americas Inc matches the electrical and mechanical key parameters of PSS3-5-5, based on voltage, current, power limits, input range, application, and operating temperature. The substitute part is currently active, with RoHS Compliant and REACH Unaffected status. Inventory availability is confirmed. The package variation (6-DIP vs. 7-DIP) and size/dimensional differences are evident, and should be considered for physical footprint compatibility only as described by provided data.

Frequently Asked Questions (FAQ)

Q1: What qualifies CC3-0505SF-E as a substitute for PSS3-5-5?
CC3-0505SF-E meets all the provided electrical and mechanical specifications for output voltage, output current, input voltage range, power, application, and mounting type.

Q2: Are there compatibility concerns due to package differences?
The substitute uses a 7-DIP Module package, and its physical dimensions differ. Mechanical compatibility must be verified using only provided package specifications.

Q3: Why must a substitute be selected for PSS3-5-5?
PSS3-5-5 is obsolete, so continuing production requires a part with identical key parameters.

Q4: Is compliance status significant in substitution?
CC3-0505SF-E is RoHS Compliant and REACH Unaffected, matching contemporary compliance requirements as documented.

Q5: Does the substitute support the same application category?
Both parts are specified for ITE (Commercial) applications based on the provided data.

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