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PDM2-S24-S5-D Equivalent & Substitute Parts Reference
Part Overview
The PDM2-S24-S5-D by CUI Inc. is an isolated module DC-DC converter in the power management category. It delivers 2W output at 5V and 400mA with a 21.6V – 26.4V input range, 1.5 kV isolation, through-hole mounting, and a 14-DIP package. The product is now classified as obsolete, making identification and selection of equivalently rated substitute DC-DC converters essential to maintain continuity in design and supply chains.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PDM2-S24-S5-D |
| Series | PDM2-D (2W) |
| Type | Isolated Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 21.6V |
| Voltage - Input (Max) | 26.4V |
| Voltage - Output 1 | 5V |
| Current - Output (Max) | 400mA |
| Power (Watts) | 2 W |
| Voltage - Isolation | 1.5 kV |
| Efficiency | 80% |
| Operating Temperature | -40°C ~ 105°C (With Derating) |
| Mounting Type | Through Hole |
| Package / Case | 14-DIP Module, 5 Leads |
| Size / Dimension | 0.80" L x 0.40" W x 0.32" H |
| Product Status | Obsolete |
| Application | ITE (Commercial) |
Substitute Part Grouping Explanation
Substitute DC-DC converters for the PDM2-S24-S5-D are listed strictly according to matching key parameters: topology (Isolated Module), input voltage range (21.6V – 26.4V), output voltage (5V), output current (400mA), power rating (2 W), voltage isolation rating (1.5 kV), efficiency (80%), number of outputs (1), mounting style (Through Hole), and operating temperature (-40°C ~ 105°C with derating). Package type and external mechanical dimensions are also aligned where explicitly provided.
Parameter Comparison
| Parameter | PDM2-S24-S5-D | PDME2-S24-S5-D | PDME2-S24-S5-S |
|---|---|---|---|
| Manufacturer | CUI Inc. | CUI Inc. | CUI Inc. |
| Type | Isolated Module | Isolated Module | Isolated Module |
| Series | PDM2-D (2W) | PDME2-S (2W) | PDME2-S (2W) |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 21.6V | 21.6V | 21.6V |
| Voltage - Input (Max) | 26.4V | 26.4V | 26.4V |
| Voltage - Output 1 | 5V | 5V | 5V |
| Current - Output (Max) | 400mA | 400mA | 400mA |
| Power (Watts) | 2 W | 2 W | 2 W |
| Voltage - Isolation | 1.5 kV | 1.5 kV | 1.5 kV |
| Efficiency | 80% | 80% | 80% |
| Operating Temperature | -40°C ~ 105°C (With Derating) | -40°C ~ 105°C (With Derating) | -40°C ~ 105°C (With Derating) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 14-DIP Module, 5 Leads | 7-SIP Module, 4 Leads | 6-SIP Module, 4 Leads |
| Size / Dimension | 0.80" L x 0.40" W x 0.32" H | 0.77" L x 0.28" W x 0.40" H | 0.77" L x 0.28" W x 0.40" H |
| Product Status | Obsolete | Active | Active |
| RoHS Status | ROHS3 Compliant | - | ROHS3 Compliant |
| Approval Agency | CB Scheme, EN, IEC, UL | cURus | CE, cURus |
| Standard Number | 55024; 55032 Class A; 60950-1 | 62368-1 | 62368-1 |
| ECCN | EAR99 | - | EAR99 |
| Applications | ITE (Commercial) | ITE (Commercial) | ITE (Commercial) |
Engineering Selection Recommendations
Since the CUI Inc. PDM2-S24-S5-D is classified as obsolete, engineering selection should prioritize parts with matching product compliance and certifications, such as RoHS3 status, approval agency listings, and equivalently referenced standards. Both PDME2-S24-S5-D and PDME2-S24-S5-S maintain the same functional electrical characteristics, and have validated active status, with the PDME2-S24-S5-S specifically providing explicit RoHS3 compliance and updated agency approvals.
Frequently Asked Questions (FAQ)
Q1: What criteria determine direct substitution for the PDM2-S24-S5-D DC-DC converter?
A1: Substitution is determined by strict matching of input voltage range, output voltage, output current, power rating, isolation voltage, efficiency, number of outputs, temperature range, mounting style, and package or size when provided.
Q2: Are all substitute DC-DC converters guaranteed to be pin- and footprint-compatible?
A2: Substitute models such as PDME2-S24-S5-D and PDME2-S24-S5-S use SIP packages with different lead and physical configurations from the original 14-DIP format; mechanical compatibility must be based on the provided package and dimensions.
Q3: Do all substitute parts have equivalent compliance and approval certifications?
A3: Substitute models list compliance to RoHS3, and have updated agency certifications such as CE and cURus or CB Scheme. Specific standard numbers differ and are referenced as provided.
Q4: How does mechanical form factor affect substitution?
A4: Differences in package (SIP vs. DIP), leads, and dimensions are critical; only SIP or DIP descriptors and given measurements should be used to confirm physical adaptation.
Q5: Are the substitute converters suitable for the same applications?
A5: All items are specified for ITE (Commercial) applications based on the given application field.
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