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API Delevan 6444-010 Equivalent & Substitute Parts
Part Overview
The API Delevan 6444-010 is a laminated core power transformer rated at 5VA with dual primary and secondary windings. This through-hole mounted component provides selectable output configurations of 5V parallel or 10V series, with corresponding maximum output currents of 1A or 500mA respectively. The part is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | 6444-010 |
| Manufacturer | API Delevan Inc. |
| Series | 6444 |
| Type | Laminated Core |
| Power Rating | 5VA |
| Primary Voltage Options | 115V, 230V |
| Secondary Voltage (Parallel) | 5V |
| Secondary Voltage (Series) | 10V |
| Output Current - Parallel | 1A |
| Output Current - Series | 500mA |
| Primary Windings | Dual |
| Secondary Windings | Dual |
| Center Tap | No |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Dimensions (L x W) | 41.28mm x 33.32mm |
| Height - Seated (Max) | 33.32mm |
| Isolation Voltage | 4000Vrms |
| Weight | 0.37 lb (167.83 g) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the 6444-010 is determined by strict equivalence across the following critical parameters:
Electrical Parameters:
- Power rating: 5VA
- Primary voltage options: 115V and 230V dual configuration
- Secondary voltage outputs: 5V parallel and 10V series
- Output current capacity: 1A parallel, 500mA series
- Isolation voltage: 4000Vrms
- Winding configuration: Dual primary and dual secondary
Mechanical Parameters:
- Core type: Laminated
- Mounting: Through hole
- Termination: PC pin
- Physical dimensions: 41.28mm L x 33.32mm W x 33.32mm H maximum seated height
Compliance Parameters:
- ECCN classification: EAR99
- HTSUS code: 8504.31.4035
- REACH status: REACH Unaffected
The 6444R-010 meets all electrical and mechanical equivalence criteria. The primary distinction is product status and regulatory compliance posture.
Parameter Comparison
| Parameter | 6444-010 (Main Part) | 6444R-010 (Substitute) |
|---|---|---|
| Manufacturer Part Number | 6444-010 | 6444R-010 |
| Series | 6444 | 6444R |
| Power Rating | 5VA | 5VA |
| Type | Laminated Core | Laminated Core |
| Primary Voltage | 115V, 230V | 115V, 230V |
| Secondary Voltage (Parallel) | 5V | 5V |
| Secondary Voltage (Series) | 10V | 10V |
| Output Current - Parallel | 1A | 1A |
| Output Current - Series | 500mA | 500mA |
| 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) | 41.28mm x 33.32mm | 41.28mm x 33.32mm |
| Height - Seated (Max) | 33.32mm | 33.32mm |
| Isolation Voltage | 4000Vrms | 4000Vrms |
| Weight | 0.37 lb (167.83 g) | 0.37 lb (167.83 g) |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The 6444R-010 is the direct active equivalent to the obsolete 6444-010. Both components are electrically and mechanically identical across all specified parameters. The 6444R-010 is currently in active production status with 1062 units in stock, compared to 659 units of the obsolete 6444-010.
The 6444R-010 carries ROHS3 compliance certification, whereas the 6444-010 is RoHS non-compliant. For applications subject to RoHS regulatory requirements or customer specifications mandating RoHS compliance, the 6444R-010 is the appropriate selection. Both parts maintain identical REACH and ECCN classifications.
For new designs and production continuity, the 6444R-010 is the specified replacement component.
Frequently Asked Questions (FAQ)
Q: Are the 6444-010 and 6444R-010 electrically interchangeable?
A: Yes. Both components provide identical electrical specifications: 5VA power rating, dual 115V/230V primary windings, dual secondary windings with 5V parallel or 10V series output options, and 4000Vrms isolation voltage.
Q: What is the difference between these two part numbers?
A: The primary differences are product status and regulatory compliance. The 6444-010 is obsolete and RoHS non-compliant. The 6444R-010 is active production and ROHS3 compliant. All electrical and mechanical parameters are identical.
Q: Can the 6444R-010 be used as a direct replacement in existing designs using the 6444-010?
A: Yes. The 6444R-010 is mechanically and electrically equivalent. Physical dimensions, mounting type, termination style, and all electrical parameters are identical, enabling direct substitution in through-hole PCB applications.
Q: Are there any compliance considerations when switching from 6444-010 to 6444R-010?
A: The 6444R-010 provides improved compliance posture with ROHS3 certification. If your application or customer requirements mandate RoHS compliance, the 6444R-010 satisfies this requirement while the 6444-010 does not.
Q: What are the available output configurations for these transformers?
A: Both transformers support dual secondary winding configuration allowing two output modes: parallel connection providing 5V at 1A maximum, or series connection providing 10V at 500mA maximum.
Q: Are these components suitable for new product designs?
A: The 6444-010 is obsolete and should not be specified for new designs. The 6444R-010 is the active equivalent and is appropriate for new product development.
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