DP-241-5-48 Equivalent & Substitute Parts

Part Overview

The DP-241-5-48 is a laminated core power transformer manufactured by Signal Transformer, rated at 12VA with dual primary windings (115V/230V) and a single 48V secondary winding with center tap. This chassis mount transformer is designed for applications requiring isolated 48V power delivery at up to 250mA output current. The part is currently active in production with full RoHS3 compliance and 2500Vrms isolation rating. Substitute parts are identified to provide equivalent electrical and mechanical performance for applications where the original part is unavailable or where alternative packaging or sourcing is preferred.

Substiute Parts

DP-241-5-48

Signal TransformerIn Stock: 868DP-241-5-48 Datasheet

Current PartRFQ

FD5-48

Triad MagneticsIn Stock: 755FD5-48 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The FD5-48 manufactured by Triad Magnetics qualifies as a direct substitute based on the following critical parameters:

• Power Rating: Both parts are rated at 12VA
• Primary Voltage: Both support dual 115V/230V primary windings
• Secondary Voltage: Both deliver 48V output
• Output Current: Both rated at 250mA maximum
• Core Type: Both use laminated core construction
• Secondary Configuration: Both feature single winding with center tap
• Mounting Type: Both are chassis mount
• Isolation Voltage: Both rated at 2500V (DP-241-5-48: 2500Vrms; FD5-48: 2500VAC)
• Termination: Both offer Solder and Quick Connect termination options
• Compliance: Both are ROHS3 compliant with identical ECCN and HTSUS classifications

Physical dimensions and weight are equivalent within manufacturing tolerances. The primary difference is packaging format (Bulk vs. Box) and manufacturer series designation.

Parameter Comparison

Engineering Selection Recommendations

Both the DP-241-5-48 and FD5-48 are active production parts with identical electrical specifications and equivalent mechanical form factors. Selection between these parts should be based on:

• Availability: DP-241-5-48 has 834 units in stock; FD5-48 has 744 units in stock
• Packaging Requirements: DP-241-5-48 is supplied in Bulk packaging; FD5-48 is supplied in Box packaging
• Connector Specification: FD5-48 specifies 0.187" (4.7mm) quick connect terminals; verify compatibility with existing harnesses
• Compliance Verification: Both parts meet ROHS3, REACH Unaffected, and EAR99 ECCN requirements

Physical dimensions are within 1.5mm variance across all axes, which is acceptable for chassis mount applications with standard mounting hole tolerances.

Frequently Asked Questions (FAQ)

Q: Can FD5-48 be used as a direct replacement for DP-241-5-48?

A: Yes. Both transformers have identical electrical ratings (12VA, 115V/230V primary, 48V secondary, 250mA output, 2500V isolation) and equivalent mechanical mounting. Verify quick connect terminal compatibility (0.187" specification on FD5-48) with your existing wiring harness.

Q: What are the key differences between these two parts?

A: The primary differences are manufacturer (Signal Transformer vs. Triad Magnetics), packaging format (Bulk vs. Box), and minor physical dimensions (width and height vary by approximately 1-2mm). Electrical performance and isolation ratings are identical.

Q: Are there any compliance or certification differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and classified under the same ECCN (EAR99) and HTSUS codes (8504.31.4035).

Q: What is the significance of the center tap on the secondary winding?

A: The center tap allows the 48V secondary to be configured as dual 24V outputs or as a center-referenced 48V supply, depending on circuit design requirements. Both substitute parts provide this functionality.

Q: How do the isolation voltage ratings compare?

A: DP-241-5-48 is rated at 2500Vrms; FD5-48 is rated at 2500VAC. These specifications are equivalent for isolation performance.

Q: Are there any mounting considerations when substituting these parts?

A: Both are chassis mount transformers with similar footprints. Verify that mounting hole spacing and quick connect terminal positions align with your PCB or chassis design. Dimensional variance is less than 2mm across all axes.