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API Delevan 6051-024 Equivalent & Substitute Parts
Part Overview
The API Delevan 6051-024 is a laminated core power transformer rated at 2.5VA with through-hole mounting and dual primary/secondary windings. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing system support and new design implementations. The transformer provides selectable output configurations through parallel (12V, 208mA) or series (24V, 104mA) winding connections, with 1500Vrms isolation between primary and secondary circuits.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | API Delevan Inc. |
| Series | 6051 |
| Power Rating | 2.5VA |
| Primary Voltage | 115V, 230V |
| Secondary Voltage (Parallel/Series) | 12V / 24V |
| Output Current (Parallel/Series) | 208mA / 104mA |
| Core Type | Laminated |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Isolation Voltage | 1500Vrms |
| Dimensions | 47.60mm L × 39.60mm W × 16.50mm H |
Substitute Part Grouping Explanation
Substitution eligibility for the 6051-024 is determined by strict equivalence across electrical and mechanical parameters. The primary criteria for valid substitution are:
- Identical power rating (2.5VA)
- Matching primary voltage inputs (115V, 230V dual configuration)
- Matching secondary voltage outputs in both parallel (12V) and series (24V) modes
- Equivalent output current capacity (208mA parallel, 104mA series)
- Identical core type (laminated)
- Matching mounting configuration (through-hole with PC pin termination)
- Equivalent isolation voltage (1500Vrms minimum)
- Compatible physical dimensions and footprint
The 6051R-024 meets all substitution criteria as a direct equivalent from the same manufacturer, with the primary distinction being product status and compliance certification.
Parameter Comparison
| Parameter | 6051-024 (Main Part) | 6051R-024 (Substitute) |
|---|---|---|
| Manufacturer | API Delevan Inc. | API Delevan Inc. |
| Series | 6051 | 6051R |
| Product Status | Obsolete | Active |
| Power Rating | 2.5VA | 2.5VA |
| Primary Voltage | 115V, 230V | 115V, 230V |
| Secondary Voltage | Parallel 12V, Series 24V | Parallel 12V, Series 24V |
| Output Current (Max) | Parallel 208mA, Series 104mA | Parallel 208mA, Series 104mA |
| Core Type | Laminated | Laminated |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| Isolation Voltage | 1500Vrms | 1500Vrms |
| Dimensions | 47.60mm L × 39.60mm W × 16.50mm H | 47.60mm L × 39.60mm W × 16.50mm H |
| Weight | 0.313 lb (141.97 g) | 0.313 lb (141.97 g) |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The 6051R-024 is the direct active equivalent for the obsolete 6051-024. Both components share identical electrical specifications, core construction, and physical footprint, ensuring direct PCB compatibility without layout modifications.
The primary distinction between these parts is product lifecycle status and environmental compliance. The 6051-024 is classified as obsolete with RoHS non-compliant status, while the 6051R-024 is an active product meeting ROHS3 compliance requirements. For new designs or system replacements, the 6051R-024 is the appropriate selection. For legacy system repairs where original specifications must be maintained, the 6051-024 remains functionally equivalent where inventory permits.
Both transformers are suitable for applications requiring dual-voltage primary inputs and configurable secondary outputs with 1500Vrms isolation in through-hole mounted packages.
Frequently Asked Questions (FAQ)
Q: Can the 6051R-024 be used as a direct replacement for the 6051-024 in existing assemblies?
A: Yes. The 6051R-024 provides electrical and mechanical equivalence to the 6051-024. Both components have identical power ratings, voltage configurations, output current specifications, core types, mounting methods, and physical dimensions. No PCB modifications or circuit redesign is required.
Q: What is the primary difference between the 6051-024 and 6051R-024?
A: The 6051R-024 is the active production equivalent with ROHS3 compliance certification. The 6051-024 is obsolete and RoHS non-compliant. Electrical performance and physical specifications are identical.
Q: Are there any compatibility concerns with the through-hole PC pin termination?
A: No. Both parts use identical PC pin termination and through-hole mounting configurations. Footprint compatibility is guaranteed.
Q: What isolation voltage do these transformers provide?
A: Both the 6051-024 and 6051R-024 provide 1500Vrms isolation between primary and secondary windings.
Q: Can these transformers operate with both 115V and 230V primary inputs?
A: Yes. Both transformers feature dual primary windings supporting 115V or 230V input selection. Secondary output voltage and current remain constant regardless of primary input selection.
Q: What are the available secondary output configurations?
A: The dual secondary windings can be configured as parallel (12V, 208mA) or series (24V, 104mA) connections. Configuration is determined by winding connection method during assembly.
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