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API Delevan 6025-036 Equivalent & Substitute Parts
Part Overview
The API Delevan 6025-036 is a laminated core power transformer rated at 12VA with dual primary and secondary windings. This through-hole mounted component provides selectable output configurations through parallel (18V, 700mA) or series (36V, 350mA) winding connections. The transformer features 2500Vrms isolation voltage and is designed for PC pin termination in standard through-hole applications.
The 6025-036 carries an obsolete product status, making identification of functionally equivalent alternatives essential for ongoing design support and procurement continuity. Substitute components must maintain identical electrical performance and mechanical compatibility to ensure direct replacement capability.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Power Rating | 12VA |
| Primary Voltage Options | 115V, 230V |
| Secondary Voltage (Parallel Configuration) | 18V |
| Secondary Voltage (Series Configuration) | 36V |
| Maximum Output Current (Parallel) | 700mA |
| Maximum Output Current (Series) | 350mA |
| Core Type | Laminated |
| Primary Windings | Dual |
| Secondary Windings | Dual |
| Center Tap | No |
| Isolation Voltage | 2500Vrms |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Physical Dimensions (L × W) | 47.63mm × 39.67mm |
| Height (Seated Maximum) | 36.50mm |
| Weight | 0.7 lb (317.51 g) |
Substitute Part Grouping Explanation
Substitution eligibility for the 6025-036 is determined by strict equivalence across all electrical and mechanical parameters. The following criteria establish valid substitute relationships:
Electrical Equivalence Requirements:
- Identical power rating (12VA)
- Matching primary voltage options (115V, 230V dual configuration)
- Matching secondary voltage outputs in both parallel (18V) and series (36V) configurations
- Identical maximum output current specifications (700mA parallel, 350mA series)
- Equivalent isolation voltage (2500Vrms)
- Identical core type (laminated)
- Matching winding configuration (dual primary, dual secondary, no center tap)
Mechanical Equivalence Requirements:
- Through-hole mounting type
- PC pin termination style
- Identical physical dimensions (47.63mm L × 39.67mm W)
- Identical seated height (36.50mm maximum)
The 6025R-036 manufactured by API Delevan Inc. satisfies all electrical and mechanical equivalence criteria and qualifies as a direct substitute for the obsolete 6025-036.
Parameter Comparison
| Parameter | 6025-036 (Main Part) | 6025R-036 (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | API Delevan Inc. | API Delevan Inc. | Identical |
| Power Rating | 12VA | 12VA | Identical |
| Primary Voltage | 115V, 230V | 115V, 230V | Identical |
| Secondary Voltage (Parallel) | 18V | 18V | Identical |
| Secondary Voltage (Series) | 36V | 36V | Identical |
| Output Current (Parallel) | 700mA | 700mA | Identical |
| Output Current (Series) | 350mA | 350mA | Identical |
| Core Type | Laminated | Laminated | Identical |
| Primary Windings | Dual | Dual | Identical |
| Secondary Windings | Dual | Dual | Identical |
| Center Tap | No | No | Identical |
| Isolation Voltage | 2500Vrms | 2500Vrms | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Termination Style | PC Pin | PC Pin | Identical |
| Dimensions (L × W) | 47.63mm × 39.67mm | 47.63mm × 39.67mm | Identical |
| Height (Seated Max) | 36.50mm | 36.50mm | Identical |
| Weight | 0.7 lb (317.51 g) | 0.7 lb (317.51 g) | Identical |
| Product Status | Obsolete | Active | Substitute is active |
| RoHS Compliance | Non-compliant | ROHS3 Compliant | Substitute offers improved compliance |
Engineering Selection Recommendations
The 6025R-036 is the appropriate substitute for the obsolete 6025-036 based on the following engineering factors:
Product Status Consideration: The 6025-036 is classified as obsolete, creating supply chain risk for new designs and ongoing production. The 6025R-036 maintains active product status with confirmed inventory availability (956 pieces in stock), ensuring procurement reliability and long-term supply continuity.
Compliance and Regulatory Status: The 6025R-036 achieves ROHS3 compliance, whereas the 6025-036 is non-compliant. This compliance improvement aligns with current regulatory requirements for electronic components in most markets. Both parts maintain identical REACH unaffected status and EAR99 export classification.
Electrical and Mechanical Equivalence: Complete parameter equivalence across all electrical specifications (power rating, voltage configurations, current ratings, isolation voltage, winding configuration) and mechanical specifications (mounting type, termination style, physical dimensions, height) confirms direct substitutability without circuit modification or PCB redesign.
Functional Compatibility: The dual primary and secondary winding configuration with selectable parallel/series output modes is preserved in the substitute part, maintaining full functional compatibility with existing circuit designs and application requirements.
Frequently Asked Questions (FAQ)
Q: Can the 6025R-036 be used as a direct replacement for the 6025-036 without PCB modifications?
A: Yes. The 6025R-036 is mechanically and electrically identical to the 6025-036. Identical through-hole mounting, PC pin termination, physical dimensions (47.63mm L × 39.67mm W × 36.50mm height), and all electrical parameters (12VA power rating, dual 115V/230V primary, dual 18V/36V secondary, 700mA/350mA output current, 2500Vrms isolation) enable direct substitution without PCB redesign or circuit modification.
Q: What is the primary advantage of selecting the 6025R-036 over the obsolete 6025-036?
A: The 6025R-036 is an active product with confirmed inventory availability, eliminating supply chain discontinuity risk associated with the obsolete 6025-036. Additionally, the 6025R-036 achieves ROHS3 compliance, meeting current regulatory requirements for electronic component procurement in most markets.
Q: Are the winding configurations identical between these parts?
A: Yes. Both the 6025-036 and 6025R-036 feature dual primary windings and dual secondary windings with no center tap. Both support identical voltage configurations: 115V or 230V primary selection and 18V (parallel) or 36V (series) secondary output modes.
Q: Do these transformers have identical isolation voltage ratings?
A: Yes. Both the 6025-036 and 6025R-036 provide 2500Vrms isolation voltage, ensuring equivalent electrical safety and isolation performance in applications requiring high-voltage isolation between primary and secondary circuits.
Q: What is the weight difference between these parts?
A: There is no weight difference. Both the 6025-036 and 6025R-036 weigh 0.7 lb (317.51 g), confirming identical core material, winding configuration, and overall construction.
Q: Are there any differences in termination style or mounting type?
A: No. Both parts use PC pin termination and through-hole mounting type, ensuring identical PCB integration and assembly compatibility.
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