Equivalent & Substitute Parts for Signal Transformer 241-7-48

Part Overview

The Signal Transformer 241-7-48 is a laminated core power transformer rated at 56VA with a single primary winding (115V) and single secondary winding (48V) at 1.2A maximum output current. This chassis-mounted transformer features a center tap and dual termination options (solder and quick connect). The part is currently active in production with 997 units in stock inventory.

Equivalent and substitute parts are identified when alternative manufacturers offer transformers meeting the same or compatible electrical and mechanical specifications, enabling procurement flexibility and supply chain continuity.

Substiute Parts

241-7-48

Signal TransformerIn Stock: 1103241-7-48 Datasheet

Current PartRFQ

186F48

Hammond ManufacturingIn Stock: 775186F48 Datasheet

DirectRFQ

F7-48

Triad MagneticsIn Stock: 797F7-48 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 241-7-48 are identified based on the following critical parameters that determine functional compatibility:

Primary Selection Criteria:

• Voltage - Primary: 115V (single primary winding required)
• Voltage - Secondary: 48V
• Current - Output: 1.2A minimum
• Power Rating: 56VA minimum
• Core Type: Laminated
• Mounting: Chassis Mount
• Center Tap: Present
• Termination: Solder and/or Quick Connect compatible

Substitute Classification:

Direct Equivalent (F7-48): Matches all critical electrical parameters and physical form factor. Identical power rating (56VA), voltage specifications, current capacity, and isolation voltage. Dimensions and weight are equivalent.

Compatible Substitute (186F48): Exceeds electrical specifications with higher power rating (96VA) and output current (2A). Offers dual primary voltage capability (115V/230V) providing additional application flexibility. Larger physical dimensions accommodate higher power handling. Isolation voltage is reduced to 2000Vrms but remains suitable for standard industrial applications.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Pin-for-Pin Compatible): The Triad Magnetics F7-48 is the direct equivalent to the Signal Transformer 241-7-48. Both transformers share identical electrical specifications (56VA, 115V primary, 48V secondary, 1.2A output), matching physical dimensions, weight, and isolation voltage. Both are ROHS3 compliant and REACH unaffected. This substitute requires no circuit modifications and provides identical performance characteristics.

For Higher Power Capacity Applications: The Hammond Manufacturing 186F48 is a compatible substitute when increased power handling capacity is required. The 96VA rating and 2A output current provide 71% additional power capacity. The dual primary winding (115V/230V) enables operation across different supply voltages. The reduced isolation voltage (2000Vrms versus 2500Vrms) remains compliant with standard industrial isolation requirements. Physical dimensions are larger; verify mounting space availability before selection. All three transformers maintain ROHS3 compliance and EAR99 export classification.

Compliance and Regulatory Considerations: All three transformers are active products with current manufacturing status. All meet ROHS3 requirements and are REACH unaffected. All share identical HTSUS classification (8504.31.4065), supporting consistent procurement and regulatory documentation.

Frequently Asked Questions (FAQ)

Q: Can the F7-48 replace the 241-7-48 in existing designs? A: Yes. The F7-48 is a direct equivalent with identical electrical and mechanical specifications. No circuit modifications are required. Both transformers provide 56VA power, 115V primary input, 48V secondary output at 1.2A maximum current, and equivalent isolation voltage (2500V).

Q: What are the advantages of using the 186F48 as a substitute? A: The 186F48 provides higher power capacity (96VA versus 56VA) and increased output current (2A versus 1.2A). The dual primary winding enables operation at both 115V and 230V input voltages. These features support applications requiring higher power handling or multi-voltage operation. Physical dimensions are larger; verify available mounting space.

Q: Are there any isolation voltage differences between these transformers? A: The 241-7-48 and F7-48 both provide 2500V isolation. The 186F48 provides 2000V isolation. Both isolation levels meet standard industrial requirements for chassis-mounted power transformers. Application-specific isolation requirements should be verified during design review.

Q: Do all three transformers use the same termination connectors? A: All three transformers support solder and quick connect termination. The F7-48 specifies 0.187" (4.7mm) quick connect terminals. Verify connector compatibility with existing wiring harnesses and PCB layouts before final selection.

Q: What is the physical size difference between these transformers? A: The 241-7-48 and F7-48 have nearly identical dimensions (approximately 93.7mm L x 49.2mm W x 57.8mm H). The 186F48 is larger (102.36mm L x 66.68mm W x 65.02mm H) due to higher power rating. Verify available mounting space in chassis or enclosure designs before selecting the 186F48.

Q: Are all three transformers RoHS compliant? A: Yes. All three transformers are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components.

Q: Which transformer should I select for new designs? A: For designs matching the 56VA, 115V primary specification, the F7-48 provides direct equivalence to the 241-7-48. For applications requiring higher power capacity or multi-voltage operation, the 186F48 is suitable. All three transformers are active products with current inventory availability.