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API Delevan 6448-036 Equivalent & Substitute Parts
Part Overview
The API Delevan 6448-036 is a laminated core power transformer rated at 56VA with through-hole mounting and PC pin termination. This transformer features dual primary and secondary windings, supporting both 115V and 230V primary inputs with configurable secondary outputs of 18V (parallel) or 36V (series). The part is classified as obsolete, making identification of suitable substitutes essential for ongoing system support and component procurement.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | 6448-036 |
| Manufacturer | API Delevan Inc. |
| Series | 6448 |
| Power Rating | 56VA |
| Type | Laminated Core |
| Primary Voltage Options | 115V, 230V |
| Secondary Voltage (Parallel) | 18V |
| Secondary Voltage (Series) | 36V |
| Maximum Output Current (Parallel) | 3.12A |
| Maximum Output Current (Series) | 1.56A |
| Primary Windings | Dual |
| Secondary Windings | Dual |
| Center Tap | No |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Dimensions (L x W) | 76.20mm x 64.60mm |
| Height (Seated Max) | 45.97mm |
| Isolation Voltage | 4000Vrms |
| Weight | 1.7 lbs (771.1 g) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the 6448-036 is determined by strict equivalence across electrical and mechanical parameters. The primary criteria for valid substitution are:
Electrical Parameters:
- Power rating: 56VA
- Primary voltage inputs: 115V and 230V
- Secondary voltage outputs: 18V (parallel) and 36V (series)
- Output current capacity: 3.12A (parallel) and 1.56A (series)
- Isolation voltage: 4000Vrms
- Winding configuration: Dual primary and dual secondary
Mechanical Parameters:
- Core type: Laminated
- Mounting: Through hole
- Termination: PC pin
- Physical dimensions: 76.20mm L x 64.60mm W x 45.97mm H (seated)
The 6448R-036 meets all specified electrical and mechanical parameters, providing direct functional equivalence while offering improved compliance status.
Parameter Comparison
| Parameter | 6448-036 (Main Part) | 6448R-036 (Substitute) |
|---|---|---|
| Manufacturer | API Delevan Inc. | API Delevan Inc. |
| Power Rating | 56VA | 56VA |
| Core Type | Laminated | Laminated |
| Primary Voltage | 115V, 230V | 115V, 230V |
| Secondary Voltage (Parallel) | 18V | 18V |
| Secondary Voltage (Series) | 36V | 36V |
| Output Current (Parallel) | 3.12A | 3.12A |
| Output Current (Series) | 1.56A | 1.56A |
| Primary Windings | Dual | Dual |
| Secondary Windings | Dual | Dual |
| Center Tap | No | No |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| Dimensions (L x W) | 76.20mm x 64.60mm | 76.20mm x 64.60mm |
| Height (Seated Max) | 45.97mm | 45.97mm |
| Isolation Voltage | 4000Vrms | 4000Vrms |
| Weight | 1.7 lbs (771.1 g) | 1.7 lbs (771.1 g) |
| Product Status | Obsolete | Active |
| RoHS Status | Non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The 6448R-036 is the direct substitute for the obsolete 6448-036. Both parts are manufactured by API Delevan Inc. and share identical electrical specifications and mechanical form factors. The 6448R-036 maintains full functional equivalence while offering active product status and ROHS3 compliance, addressing regulatory requirements for new designs and procurement cycles. The non-compliant status of the original 6448-036 makes the 6448R-036 the appropriate selection for applications requiring current environmental and regulatory standards.
Frequently Asked Questions (FAQ)
Q: Can the 6448R-036 be used as a direct replacement for the 6448-036?
A: Yes. The 6448R-036 provides complete electrical and mechanical equivalence. All voltage ratings, current capacities, winding configurations, isolation specifications, and physical dimensions are identical. Through-hole mounting and PC pin termination are unchanged.
Q: What is the primary difference between these two parts?
A: The 6448R-036 is the active production equivalent of the obsolete 6448-036. The primary differences are product status (active vs. obsolete) and RoHS compliance (ROHS3 compliant vs. non-compliant). Electrical and mechanical performance are identical.
Q: Are there any dimensional or mounting differences?
A: No. Both parts share identical dimensions (76.20mm L x 64.60mm W x 45.97mm H seated) and mounting specifications (through-hole with PC pin termination). Direct board-level substitution is supported without layout modifications.
Q: Does the 6448R-036 support the same voltage configurations?
A: Yes. The 6448R-036 supports identical primary voltage inputs (115V and 230V) and secondary voltage outputs (18V parallel or 36V series). Output current ratings remain 3.12A (parallel) and 1.56A (series).
Q: What is the isolation voltage rating for the substitute part?
A: The 6448R-036 maintains the same 4000Vrms isolation voltage as the original 6448-036, ensuring equivalent safety and performance characteristics in isolated power applications.
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