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14A-20-12B10 Equivalent & Substitute Parts
Part Overview
The 14A-20-12B10 is a 20VA laminated core power transformer manufactured by Pulse Electronics, designed for through-hole mounting in PC pin termination applications. This transformer supports dual primary windings with selectable input voltages (115V or 230V) and delivers configurable secondary output in parallel (6.3V, 3.2A) or series (12.6V, 1.6A) modes. The component is RoHS Compliant and currently in active production status with 1022 units in stock. Equivalent substitute parts are identified to provide design flexibility, supply chain alternatives, and compatibility options for applications requiring identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | 14A-20-12B10 |
| Manufacturer | Pulse Electronics |
| Power Rating | 20VA |
| Core Type | Laminated Core |
| Primary Voltage Options | 115V, 230V |
| Secondary Voltage (Parallel) | 6.3V |
| Secondary Voltage (Series) | 12.6V |
| Output Current (Parallel) | 3.2A |
| Output Current (Series) | 1.6A |
| Primary Windings | Dual |
| Secondary Windings | Single, Multiple Taps |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Dimensions (L × W) | 57.15mm × 47.63mm |
| Height (Seated Max) | 41.28mm |
| Weight | 0.9 lb (408.23 g) |
| RoHS Status | RoHS Compliant |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute parts for the 14A-20-12B10 are qualified based on strict equivalence across the following critical parameters:
- Power rating: 20VA
- Core type: Laminated
- Primary voltage configuration: Dual windings supporting 115V and 230V selection
- Secondary voltage output: Parallel 6.3V / Series 12.6V configuration
- Output current capacity: Parallel 3.2A / Series 1.6A
- Mounting method: Through Hole
- Termination: PC Pin
- Physical dimensions: 57.15mm L × 47.63mm W × 41.28mm H (seated)
- Regulatory compliance: RoHS status and REACH unaffected
The VPP12-1600 from Triad Magnetics meets all electrical and mechanical substitution criteria. Differences in secondary winding configuration (Dual vs. Single/Multiple Taps) and isolation voltage rating do not affect functional equivalence for applications requiring the specified output voltage and current parameters.
Parameter Comparison
| Parameter | 14A-20-12B10 (Pulse Electronics) | VPP12-1600 (Triad Magnetics) |
|---|---|---|
| Power Rating | 20VA | 20VA |
| Core Type | Laminated Core | Laminated Core |
| Primary Voltage | 115V, 230V | 115V, 230V |
| Secondary Voltage (Parallel) | 6.3V | 6.3V |
| Secondary Voltage (Series) | 12.6V | 12.6V |
| Output Current (Parallel) | 3.2A | 3.2A |
| Output Current (Series) | 1.6A | 1.6A |
| Primary Windings | Dual | Dual |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| Dimensions (L × W) | 57.15mm × 47.63mm | 57.15mm × 47.63mm |
| Height (Seated Max) | 41.28mm | 41.28mm |
| Weight | 0.9 lb (408.23 g) | 0.9 lb (408.23 g) |
| RoHS Status | RoHS Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS Code | 8504.31.4035 | 8504.31.4035 |
Engineering Selection Recommendations
Both the 14A-20-12B10 and VPP12-1600 are active production components with full regulatory compliance. The 14A-20-12B10 carries RoHS Compliant certification, while the VPP12-1600 meets the more stringent ROHS3 Compliant standard. Both components are REACH Unaffected and classified under identical ECCN and HTSUS codes, confirming regulatory equivalence.
Selection between these parts should be based on supply availability, lead time requirements, and packaging preferences. The VPP12-1600 is supplied in Box packaging, while packaging information for the 14A-20-12B10 is not specified. Both transformers deliver identical electrical performance and occupy the same physical footprint, ensuring direct substitution in through-hole PCB applications.
Frequently Asked Questions (FAQ)
Q: Can the VPP12-1600 replace the 14A-20-12B10 in existing designs?
A: Yes. Both transformers deliver identical primary voltage selection (115V/230V), secondary voltage outputs (6.3V parallel, 12.6V series), and current ratings (3.2A parallel, 1.6A series). Physical dimensions and mounting specifications are identical, enabling direct PCB substitution.
Q: What is the difference in secondary winding configuration between these parts?
A: The 14A-20-12B10 features Single secondary winding with Multiple Taps, while the VPP12-1600 features Dual secondary windings. Both configurations deliver the specified parallel and series voltage outputs. The functional output remains equivalent for applications requiring 6.3V/3.2A or 12.6V/1.6A.
Q: Are there compliance differences between these transformers?
A: The 14A-20-12B10 is RoHS Compliant, and the VPP12-1600 is ROHS3 Compliant. ROHS3 represents a more recent compliance standard. Both are REACH Unaffected and share identical ECCN and HTSUS classifications.
Q: Do these transformers have the same isolation voltage rating?
A: The 14A-20-12B10 isolation voltage is not specified. The VPP12-1600 provides 4000Vrms isolation. For applications requiring specific isolation voltage performance, verify design requirements against the VPP12-1600 specification.
Q: What are the packaging differences?
A: The VPP12-1600 is supplied in Box packaging. Packaging information for the 14A-20-12B10 is not provided in the specification data.
Q: Are both transformers suitable for through-hole PCB assembly?
A: Yes. Both components feature Through Hole mounting type with PC Pin termination style, supporting standard PCB assembly processes.
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