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Equivalent & Substitute Parts for VDSD1-S12-DI12-DIP
Part Overview
VDSD1-S12-DI12-DIP is an isolated module DC-DC converter manufactured by CUI Inc. It provides dual outputs of +12V and -12V at 42mA each, with a total output power of 1W. The converter operates within an input voltage range of 10.8V to 13.2V and features 1 kV isolation. With an operating temperature range of -40°C to 85°C and compliance for ITE (Commercial) applications, it is suitable for various industrial and commercial uses. The product status is obsolete, necessitating the identification of substitute components with matching electrical, mechanical, and regulatory parameters.
Substiute Parts
Key Parameters
| Parameter | VDSD1-S12-DI12-DIP |
|---|---|
| Manufacturer | CUI Inc. |
| Product Status | Obsolete |
| Type | Isolated Module |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 10.8V |
| Voltage - Input (Max) | 13.2V |
| Voltage - Output 1 | 12V |
| Voltage - Output 2 | -12V |
| Current - Output (Max) | 42mA, 42mA |
| Power (Watts) | 1 W |
| Voltage - Isolation | 1 kV |
| Applications | ITE (Commercial) |
| Features | SCP |
| Operating Temperature | -40°C ~ 85°C |
| Efficiency | 79% |
| Mounting Type | Through Hole |
| Package / Case | 14-DIP Module, 7 Leads |
| Size / Dimension | 0.80" L x 0.39" W x 0.28" H (20.4mm x 10.0mm x 7.0mm) |
| Approval Agency | cURus |
| Moisture Sensitivity Level (MSL) | Not Applicable |
| Series | VDSD1-DIP (1W) |
| Compliance/Regulation | OBSOLETE |
Substitute Part Grouping Explanation
Substitute parts for DC-DC converters in this category must match on the following key parameters: input voltage range, output voltages, output current, output power, isolation voltage, number of outputs, mounting type, and operating temperature range. Approval agency and compliance standards are also considered when available. For mechanical substitution, package/case type and dimensions must be reviewed based on available information. Only those parts that meet or exceed all critical parameters are considered as equivalent substitutes.
Parameter Comparison
| Parameter | VDSD1-S12-DI12-DIP (CUI Inc.) |
IA1212D (XP Power) |
|---|---|---|
| Type | Isolated Module | Isolated Module |
| Number of Outputs | 2 | 2 |
| Voltage - Input (Min) | 10.8V | 10.8V |
| Voltage - Input (Max) | 13.2V | 13.2V |
| Voltage - Output 1 | 12V | 12V |
| Voltage - Output 2 | -12V | -12V |
| Current - Output (Max) | 42mA, 42mA | 42mA |
| Power (Watts) | 1 W | 1 W |
| Voltage - Isolation | 1 kV | 1 kV |
| Applications | ITE (Commercial) | ITE (Commercial) |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Efficiency | 79% | 78% |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 14-DIP Module, 7 Leads | 6-DIP Module |
| Size / Dimension | 0.80" L x 0.39" W x 0.28" H (20.4mm x 10.0mm x 7.0mm) | 0.80" L x 0.40" W x 0.25" H (20.3mm x 10.2mm x 6.4mm) |
| Approval Agency | cURus | - |
| Moisture Sensitivity Level (MSL) | Not Applicable | 1 (Unlimited) |
| Series | VDSD1-DIP (1W) | IA (1W) |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The VDSD1-S12-DI12-DIP is listed as obsolete, which commonly necessitates the selection of an alternative component to maintain product availability and design support. The substitute part IA1212D from XP Power is currently active and matches all key electrical parameters including input voltage range, output voltages, output current, output power, isolation, application suitability, mounting type, and operating temperature range. Approval agency documentation and moisture sensitivity differ; cURus marking is present for the original part, while the substitute lists no approval agency. Series and packaging types vary. RoHS compliance is specified only for the substitute part.
Frequently Asked Questions (FAQ)
Q: What are the most important parameters to compare when selecting a substitute for VDSD1-S12-DI12-DIP?
A: The essential parameters include input voltage range, output voltage(s), output current, power rating, isolation voltage, number of outputs, mounting type, and operating temperature range.
Q: Can IA1212D be used in the same PCB footprint as VDSD1-S12-DI12-DIP?
A: Both modules are through-hole types with similar size and dimensions. Package lead counts and form factors differ (14-DIP vs. 6-DIP); mechanical compatibility must be verified using manufacturer drawings.
Q: Are there differences in regulatory approvals between the original and substitute parts?
A: VDSD1-S12-DI12-DIP lists cURus approval, while IA1212D does not specify an approval agency in the provided data.
Q: Is the efficiency similar between the VDSD1-S12-DI12-DIP and IA1212D?
A: Efficiency values are close: 79% for VDSD1-S12-DI12-DIP and 78% for IA1212D.
Q: What are the differences in moisture sensitivity between the two parts?
A: VDSD1-S12-DI12-DIP lists "Not Applicable" for MSL, while IA1212D is specified as MSL 1 (Unlimited).
Q: Do both parts support commercial ITE applications?
A: Yes, both parts are specified for ITE (Commercial) applications according to provided information.
Q: Which part is available as an active product?
A: VDSD1-S12-DI12-DIP is obsolete and IA1212D is active.
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