Request Quote
(Ships tomorrow)
F1250AA03 Equivalent & Substitute Parts
Part Overview
The F1250AA03 is a single-phase EMC/EMI line filter manufactured by Curtis Industries, rated for 250VAC at 3A with 50/60Hz operation. This chassis-mount filter with quick-connect termination is designed for general-purpose applications requiring electromagnetic compatibility filtering. The part is currently active in production with 993 units in stock. Substitute parts are identified when equivalent electrical specifications, mechanical mounting, and termination characteristics align with the original design requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Filter Type | Single Phase |
| Configuration | Single Stage |
| Voltage - Rated AC | 250V |
| Current | 3 A |
| Frequency - Operating | 50/60Hz |
| Mounting Type | Chassis Mount |
| Termination Style | Quick Connect |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the F1250AA03 are qualified based on the following critical parameters:
- Filter Type & Configuration: Single-phase, single-stage topology
- Electrical Ratings: 3A current capacity at 250VAC nominal voltage
- Operating Frequency: 50/60Hz compatibility
- Mechanical Interface: Chassis-mount form factor with quick-connect termination
- Compliance: ROHS3 compliance status
The identified substitutes (3EK1 and 5500.2631.01) meet these core requirements. The 5500.2631.01 additionally supports 125VAC operation, providing broader voltage compatibility while maintaining the 3A, 50/60Hz baseline specifications.
Parameter Comparison
| Parameter | F1250AA03 (Curtis) | 3EK1 (TE Connectivity) | 5500.2631.01 (SCHURTER) |
|---|---|---|---|
| Filter Type | Single Phase | Single Phase | Single Phase |
| Configuration | Single Stage | Single Stage | Single Stage |
| Voltage - Rated AC | 250V | 250V | 125V, 250V |
| Current | 3 A | 3 A | 3 A |
| Frequency - Operating | 50/60Hz | 50/60Hz | 50/60Hz |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount |
| Termination Style | Quick Connect | Quick Connect | Quick Connect |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active |
| Packaging | Bulk | Bulk | Box |
Engineering Selection Recommendations
Both substitute parts maintain active production status and ROHS3 compliance, ensuring long-term availability and regulatory alignment with the F1250AA03.
3EK1 (TE Connectivity Corcom Filters): Direct electrical equivalent with identical voltage and current ratings. Includes published inductance specification (1.76mH) and broader approval agency certifications (CSA, UR, VDE). Operating temperature range of -10°C to 40°C is suitable for standard industrial environments.
5500.2631.01 (SCHURTER Inc.): Dual-voltage rated (125V/250VAC) at 3A, providing flexibility for applications requiring lower voltage operation. Extended operating temperature range (-40°C to 100°C) supports wider environmental conditions. Supplied in box packaging rather than bulk. Approval agencies include cURus, ENEC, and VDE.
Selection between substitutes depends on application voltage requirements and environmental operating conditions. Both parts satisfy the baseline F1250AA03 specifications for 250VAC, 3A, 50/60Hz single-phase filtering.
Frequently Asked Questions (FAQ)
Q: Can the 3EK1 directly replace the F1250AA03 in all applications?
A: Yes, the 3EK1 matches all critical electrical and mechanical parameters: 250VAC, 3A, 50/60Hz, single-phase single-stage configuration, chassis mount, and quick-connect termination. Both are ROHS3 compliant and active products.
Q: What is the advantage of the 5500.2631.01 over the F1250AA03?
A: The 5500.2631.01 supports both 125VAC and 250VAC operation, enabling use in dual-voltage systems. It also provides an extended operating temperature range (-40°C to 100°C) compared to the standard industrial range, and includes additional approval certifications (cURus, ENEC, VDE).
Q: Are there packaging differences between these parts?
A: The F1250AA03 and 3EK1 are supplied in bulk packaging. The 5500.2631.01 is supplied in box packaging. This affects handling and storage but does not impact electrical or mechanical compatibility.
Q: Do all three parts have the same termination method?
A: Yes, all three parts use quick-connect termination, ensuring mechanical compatibility in existing designs.
Q: Which part has the widest operating temperature range?
A: The 5500.2631.01 operates from -40°C to 100°C, providing the broadest environmental tolerance. The 3EK1 operates from -10°C to 40°C. Operating temperature specifications are not provided for the F1250AA03.
Q: Are all parts RoHS3 compliant?
A: Yes, the F1250AA03, 3EK1, and 5500.2631.01 are all ROHS3 compliant, meeting current environmental and hazardous substance restrictions.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts