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Equivalent & Substitute Parts for Signal Transformer 241-5-48
Part Overview
The Signal Transformer 241-5-48 is a laminated core power transformer rated at 12VA with a 115V primary and 48V secondary output. 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 REACH unaffected status. Substitute parts may be required due to inventory availability, lead time constraints, or application-specific requirements such as higher power capacity or dual primary voltage support.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 241-5-48 |
| Manufacturer | Signal Transformer |
| Type | Laminated Core |
| Voltage - Primary | 115V |
| Voltage - Secondary (Full Load) | 48V |
| Current - Output (Max) | 250mA |
| Power - Max | 12VA |
| Mounting Type | Chassis Mount |
| Center Tap | Yes |
| Voltage - Isolation | 2500Vrms |
| Product Status | Active |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the 241-5-48 is determined by the following critical parameters:
Primary Substitution Criteria:
- Secondary voltage output: 48V (fixed requirement)
- Mounting type: Chassis Mount (fixed requirement)
- Center tap availability: Yes (fixed requirement)
- Laminated core construction: Required for this product category
- Isolation voltage: Minimum 2000Vrms
- RoHS3 compliance: Required for regulatory alignment
Secondary Compatibility Factors:
- Primary voltage: 115V single primary is baseline; dual primary (115V/230V) is acceptable as it provides extended application flexibility
- Power rating: Minimum 12VA; higher ratings (such as 30VA) are acceptable as they provide increased current capacity while maintaining secondary voltage specifications
- Output current capacity: Minimum 250mA; higher ratings are acceptable
- Termination style: Solder and Quick Connect compatibility required
Two substitute parts meet these criteria:
F5-48 (Triad Magnetics): Direct functional equivalent with identical electrical specifications and form factor. Differs only in manufacturer and series designation.
186D48 (Hammond Manufacturing): Higher capacity substitute with 30VA rating and dual primary voltage support. Acceptable for applications where the 241-5-48 is specified, provided the larger physical dimensions and increased weight are accommodated in the design.
Parameter Comparison
| Parameter | 241-5-48 (Signal Transformer) | F5-48 (Triad Magnetics) | 186D48 (Hammond Manufacturing) |
|---|---|---|---|
| Type | Laminated Core | Laminated Core | Laminated Core |
| Voltage - Primary | 115V | 115V | 115V, 230V |
| Voltage - Secondary (Full Load) | 48V | 48V | 48V |
| Current - Output (Max) | 250mA | 250mA | 620mA |
| Power - Max | 12VA | 12VA | 30VA |
| Primary Winding(s) | Single | Single | Dual |
| Secondary Winding(s) | Single | Single | Single |
| Center Tap | Yes | Yes | Yes |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount |
| Termination Style | Solder, Quick Connect | Solder, Quick Connect - 0.187" (4.7mm) | Solder, Quick Connect |
| Voltage - Isolation | 2500Vrms | 2500VAC | 2000Vrms |
| Size / Dimension (L x W) | 71.40mm x 36.30mm | 71.42mm x 34.93mm | 82.55mm x 52.20mm |
| Height - Seated (Max) | 42.80mm | 41.28mm | 49.02mm |
| Weight | 0.7 lb (317.51 g) | 0.7 lb (317.51 g) | 1.3 lbs (589.7 g) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active | Active |
Engineering Selection Recommendations
241-5-48 (Signal Transformer): Select for applications where the original specification is required and inventory is available. All regulatory certifications and compliance requirements are met.
F5-48 (Triad Magnetics): Select as a direct substitute when Signal Transformer 241-5-48 is unavailable. Electrical specifications, physical dimensions, weight, and compliance certifications are equivalent. Termination connector size is identical at 0.187" (4.7mm). Both parts are active in production with full RoHS3 compliance.
186D48 (Hammond Manufacturing): Select when higher power capacity is required or when dual primary voltage (115V/230V) operation is necessary. This part provides 2.5 times the output current capacity (620mA versus 250mA) and supports both 115V and 230V primary inputs. Physical dimensions are larger (82.55mm L x 52.20mm W x 49.02mm H) and weight is increased to 1.3 lbs. Isolation voltage is 2000Vrms, which meets minimum substitution criteria. All regulatory certifications are met. Verify mechanical fit in the target application before selection.
Frequently Asked Questions (FAQ)
Q: Can F5-48 be used as a direct replacement for 241-5-48?
A: Yes. The F5-48 provides identical electrical specifications (12VA, 115V primary, 48V secondary, 250mA output, center tap) and equivalent physical dimensions. Both parts are laminated core chassis mount transformers with Solder and Quick Connect termination. RoHS3 compliance and REACH unaffected status are identical.
Q: When should 186D48 be selected instead of 241-5-48?
A: Select 186D48 when the application requires higher output current capacity (620mA versus 250mA) or when dual primary voltage support (115V/230V) is needed. The 186D48 is rated at 30VA compared to 12VA for the 241-5-48. Verify that the larger physical dimensions (82.55mm L x 52.20mm W x 49.02mm H) fit within the mechanical constraints of your design.
Q: Are all three parts RoHS3 compliant?
A: Yes. The 241-5-48, F5-48, and 186D48 are all ROHS3 Compliant and REACH Unaffected.
Q: What is the isolation voltage difference between these parts?
A: The 241-5-48 and F5-48 both provide 2500V isolation (2500Vrms and 2500VAC respectively). The 186D48 provides 2000Vrms isolation. All three parts meet the minimum isolation voltage requirement for this product category.
Q: Do all three parts have center tap capability?
A: Yes. The 241-5-48, F5-48, and 186D48 all include center tap on the secondary winding.
Q: What is the difference in termination style between these parts?
A: All three parts support Solder and Quick Connect termination. The F5-48 specifies the Quick Connect connector size as 0.187" (4.7mm). Verify connector compatibility with your application before selection.
Q: Can 186D48 be used in applications designed for 241-5-48?
A: Yes, provided the application can accommodate the larger physical dimensions and higher weight. The 186D48 maintains the same secondary voltage (48V), center tap configuration, and chassis mount design. The higher power rating (30VA) and increased output current capacity (620mA) make it suitable for applications requiring more power delivery than the original 12VA specification.
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