14A-56-12 Equivalent & Substitute Parts

Part Overview

The 14A-56-12 is a laminated core power transformer manufactured by Signal Transformer, rated at 56VA with dual primary and secondary windings. This through-hole mounted component is designed for applications requiring 115V or 230V primary input with configurable secondary output of 6.3V (parallel) or 12.6V (series). The part maintains Active product status and is fully RoHS3 compliant, making it suitable for current production environments where component availability or supply chain considerations necessitate equivalent alternatives.

Substiute Parts

14A-56-12
Signal TransformerIn Stock: 104914A-56-12 Datasheet
14A-56-12
Current Part
VPP12-4400
Triad MagneticsIn Stock: 785VPP12-4400 Datasheet
VPP12-4400
Direct

Key Parameters

Parameter Value
Manufacturer Part Number 14A-56-12
Manufacturer Signal Transformer
Type Laminated Core
Power Rating 56VA
Primary Voltage Options 115V, 230V
Secondary Voltage (Parallel) 6.3V
Secondary Voltage (Series) 12.6V
Output Current - Parallel 8.8A
Output Current - Series 4.4A
Primary Windings Dual
Secondary Windings Dual
Center Tap No
Mounting Type Through Hole
Termination Style PC Pin
Isolation Voltage 4000Vrms
Physical Dimensions 76.20mm L x 64.60mm W
Height (Seated Max) 46.00mm
Weight 1.7 lbs (771.1 g)
RoHS Status ROHS3 Compliant
Product Status Active

Substitute Part Grouping Explanation

Substitution eligibility for the 14A-56-12 is determined by strict equivalence across the following critical parameters:

  • Power rating: 56VA
  • Primary voltage configuration: Dual winding supporting 115V and 230V
  • Secondary voltage output: Parallel 6.3V and Series 12.6V
  • Output current capacity: Parallel 8.8A and Series 4.4A
  • Winding configuration: Dual primary and dual secondary
  • Mounting and termination: Through-hole with PC pin termination
  • Isolation voltage: 4000Vrms minimum
  • Physical envelope: Compatible dimensions and height
  • Compliance: RoHS3 compliant, Active product status

The VPP12-4400 manufactured by Triad Magnetics meets all specified electrical and mechanical parameters, qualifying it as a direct substitute for the 14A-56-12.

Parameter Comparison

Parameter 14A-56-12 (Signal Transformer) VPP12-4400 (Triad Magnetics)
Power Rating 56VA 56VA
Primary Voltage 115V, 230V 115V, 230V
Secondary Voltage (Parallel) 6.3V 6.3V
Secondary Voltage (Series) 12.6V 12.6V
Output Current - Parallel 8.8A 8.8A
Output Current - Series 4.4A 4.4A
Primary Windings Dual Dual
Secondary Windings Dual Dual
Center Tap No No
Mounting Type Through Hole Through Hole
Termination Style PC Pin PC Pin
Isolation Voltage 4000Vrms 4000Vrms
Physical Dimensions 76.20mm L x 64.60mm W 76.20mm L x 64.60mm W
Height (Seated Max) 46.00mm 46.02mm
Weight 1.7 lbs (771.1 g) 1.7 lbs (771.1 g)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Product Status Active Active

Engineering Selection Recommendations

Both the 14A-56-12 and VPP12-4400 maintain Active product status with full RoHS3 compliance and REACH unaffected designation. Selection between these parts should be based on supply chain availability, lead time requirements, and inventory positioning. The VPP12-4400 represents a functionally equivalent alternative with identical electrical specifications and mechanical compatibility. The negligible height difference of 0.02mm (46.00mm versus 46.02mm) is within standard manufacturing tolerances and does not impact PCB layout or mechanical assembly. Both transformers satisfy identical isolation voltage requirements and termination specifications for through-hole PC pin mounting.

Frequently Asked Questions (FAQ)

Q: Can the VPP12-4400 be used as a direct replacement for the 14A-56-12 in existing designs?

A: Yes. The VPP12-4400 is electrically and mechanically equivalent across all specified parameters, including power rating, voltage configuration, current capacity, winding arrangement, isolation voltage, and physical dimensions. No circuit modifications are required.

Q: Are there any dimensional concerns when substituting the VPP12-4400 for the 14A-56-12?

A: No. Both parts share identical length (76.20mm) and width (64.60mm) dimensions. The seated height difference of 0.02mm is negligible and within standard manufacturing tolerances, presenting no impact to PCB layout or mechanical clearance.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both the 14A-56-12 and VPP12-4400 are RoHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic component manufacturing and use.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution is determined by matching power rating (56VA), primary voltage configuration (115V/230V dual winding), secondary voltage outputs (6.3V parallel, 12.6V series), output current capacity (8.8A parallel, 4.4A series), isolation voltage (4000Vrms), and winding configuration (dual primary and secondary).

Q: Are there differences in the series designation between these parts?

A: The 14A-56-12 belongs to the One-4-All™ series, while the VPP12-4400 is part of the PC Mount: World Series™. These designations reflect manufacturer product lines but do not affect electrical or mechanical compatibility.

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