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Equivalent & Substitute Parts for ISE0503A-TR
Part Overview
The ISE0503A-TR by XP Power is an isolated module DC-DC converter delivering 3.3V/303mA output power from a 4.5V to 5.5V input with 1W maximum power and 1.5 kV isolation. It features surface mount design in an 8-SMD Module, 5 Leads package, intended for ITE (Commercial) applications with short circuit protection and ROHS3 compliance. This product is listed as Obsolete. Alternative models are necessary for maintaining or replacing assemblies in systems requiring compatible electrical and mechanical parameters.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ISE0503A-TR |
| Manufacturer | XP Power |
| Description | DC DC CONVERTER 3.3V 1W |
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output 1 | 3.3V |
| Current - Output (Max) | 303mA |
| Power (Watts) | 1 W |
| Voltage - Isolation | 1.5 kV |
| Applications | ITE (Commercial) |
| Operating Temperature | -40°C ~ 105°C |
| Efficiency | 74% |
| Mounting Type | Surface Mount |
| Package / Case | 8-SMD Module, 5 Leads |
| Size / Dimension | 0.50" L x 0.33" W x 0.28" H (12.7mm x 8.3mm x 7.0mm) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution logic is strictly based on parameters provided. The allowed substitute models are selected according to matching or equivalent values for:
- Output voltage and current
- Input voltage range
- Power rating
- Isolation voltage
- Operating temperature range
- Mounting style and package/case dimensions
- Application suitability
- RoHS compliance
No additional electrical or mechanical properties have been inferred or introduced.
Parameter Comparison
| Parameter | Main Part ISE0503A-TR |
Substitute 1 IES0105S03 |
Substitute 2 IES0105S3V3 |
|---|---|---|---|
| Manufacturer | XP Power | XP Power | XP Power |
| Description | DC DC CONVERTER 3.3V 1W | DC DC CONVERTER 3.3V 1W | DC DC CONVERTER 3.3V |
| Type | Isolated Module | Isolated Module | Isolated Module |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 4.5V | 4.5V | 4.5V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V |
| Voltage - Output 1 | 3.3V | 3.3V | - |
| Current - Output (Max) | 303mA | 303mA | - |
| Power (Watts) | 1 W | 1 W | - |
| Voltage - Isolation | 1.5 kV | 1.5 kV | 1.5 kV |
| Applications | ITE (Commercial) | ITE (Commercial) | ITE (Commercial) |
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C (With Derating) | -40°C ~ 105°C (With Derating) |
| Efficiency | 74% | 74% | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SMD Module, 5 Leads | 8-SMD Module, 5 Leads | 8-SMD Module, 5 Leads |
| Size / Dimension | 0.50" L x 0.33" W x 0.28" H | 0.52" L x 0.33" W x 0.29" H | 0.52" L x 0.33" W x 0.29" H |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
ISE0503A-TR is obsolete; recommended substitutes IES0105S03 and IES0105S3V3 are active and available, both are ROHS3 compliant. IES0105S03 includes CE, TUV, and UL certifications and matches all provided parameters for function and packaging. IES0105S3V3 matches input voltage, output configuration, and compliance, and is also UL approved. Both substitutes have been specifically listed according to manufacturer recommendations and fulfill regulatory requirements.
Frequently Asked Questions (FAQ)
Q: What key electrical parameters are matched for substitution?
A: Substitutes are matched according to output voltage, input voltage range, output current, power, and isolation voltage.
Q: Is the mounting and packaging identical between the main part and substitutes?
A: All parts use an 8-SMD Module, 5 Leads surface mount package with closely matching dimensions.
Q: Are there differences in certifications or approvals among substitutes?
A: IES0105S03 provides CE, TUV, and UL certifications; IES0105S3V3 is UL approved. Both are ROHS3 compliant.
Q: What should be checked on form factor and pinout?
A: The physical dimensions and surface mount package type are consistent across listed substitutes, based solely on provided data.
Q: Are substitutes active and available for new designs or replacement?
A: IES0105S03 and IES0105S3V3 are listed as Active with inventory available, in contrast to the Obsolete status of ISE0503A-TR.
Q: Is there any difference in compliance status?
A: All listed substitutes and the original part are ROHS3 compliant according to provided information.
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