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BFC237055392 Equivalent & Substitute Parts
Part Overview
The BFC237055392 is a 3900 pF film capacitor manufactured by Vishay Beyschlag/Draloric/BC Components, designed for automotive applications requiring high reliability and long operational life. This radial polyester metallized film capacitor operates across a temperature range of -55°C to 105°C and is rated for 400V DC / 220V AC operation. The part maintains Active product status with full RoHS3 compliance and AEC-Q200 automotive qualification. Substitute parts are identified when identical electrical specifications, mechanical dimensions, and compliance certifications are maintained across the same product series.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Capacitance | 3900 pF |
| Tolerance | ±10% |
| Voltage Rating (DC) | 400V |
| Voltage Rating (AC) | 220V |
| Dielectric Material | Polyester, Metallized |
| Operating Temperature Range | -55°C to 105°C |
| Mounting Type | Through Hole |
| Package / Case | Radial |
| Lead Spacing | 0.200" (5.08mm) |
| Series | MKT370 |
| Compliance | RoHS3, AEC-Q200 |
Substitute Part Grouping Explanation
Substitution of the BFC237055392 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part BFC237051392 qualifies as a parametric equivalent based on the following criteria:
- Identical capacitance value: 3900 pF
- Identical tolerance: ±10%
- Identical voltage ratings: 400V DC / 220V AC
- Identical dielectric material: Polyester, Metallized
- Identical operating temperature range: -55°C to 105°C
- Identical mounting configuration: Through Hole Radial
- Identical physical dimensions: 0.283" L x 0.098" W (7.20mm x 2.50mm)
- Identical lead spacing: 0.200" (5.08mm)
- Identical series designation: MKT370
- Identical compliance certifications: RoHS3, AEC-Q200
Parameter Comparison
| Parameter | BFC237055392 | BFC237051392 | Match |
|---|---|---|---|
| Capacitance | 3900 pF | 3900 pF | Yes |
| Tolerance | ±10% | ±10% | Yes |
| Voltage Rating (DC) | 400V | 400V | Yes |
| Voltage Rating (AC) | 220V | 220V | Yes |
| Dielectric Material | Polyester, Metallized | Polyester, Metallized | Yes |
| Operating Temperature Range | -55°C to 105°C | -55°C to 105°C | Yes |
| Mounting Type | Through Hole | Through Hole | Yes |
| Package / Case | Radial | Radial | Yes |
| Lead Spacing | 0.200" (5.08mm) | 0.200" (5.08mm) | Yes |
| Series | MKT370 | MKT370 | Yes |
| RoHS Status | RoHS3 Compliant | RoHS3 Compliant | Yes |
| AEC-Q200 Rating | Yes | Yes | Yes |
Engineering Selection Recommendations
Both BFC237055392 and BFC237051392 are Active status products manufactured by Vishay Beyschlag/Draloric/BC Components within the MKT370 series. Both parts maintain full RoHS3 compliance and AEC-Q200 automotive qualification, meeting the same regulatory and quality standards. The parts are electrically and mechanically identical, with no differentiation in performance characteristics, voltage ratings, temperature operating range, or physical footprint. Selection between these parts may be based on inventory availability and lead time considerations, as both are suitable for direct substitution in automotive applications requiring 3900 pF film capacitors rated for 400V DC operation.
Frequently Asked Questions (FAQ)
Q: Can BFC237051392 be used as a direct replacement for BFC237055392?
A: Yes. Both parts are parametric equivalents with identical electrical specifications (3900 pF, ±10%, 400V DC / 220V AC), identical dielectric material (Polyester, Metallized), identical operating temperature range (-55°C to 105°C), and identical physical dimensions and lead spacing. Both maintain Active product status with RoHS3 compliance and AEC-Q200 automotive qualification.
Q: Are there any differences in the mechanical footprint between these parts?
A: No. Both parts share identical dimensions of 0.283" L x 0.098" W (7.20mm x 2.50mm), identical height of 0.256" (6.50mm), and identical lead spacing of 0.200" (5.08mm). Both are Through Hole Radial packages suitable for the same PCB layouts.
Q: Do both parts meet automotive compliance requirements?
A: Yes. Both BFC237055392 and BFC237051392 carry AEC-Q200 automotive qualification and RoHS3 compliance certification, meeting the same regulatory standards for automotive applications.
Q: What is the operating temperature range for these capacitors?
A: Both parts operate across -55°C to 105°C, providing identical thermal performance characteristics for automotive environments.
Q: Are there any differences in tolerance or voltage rating between these parts?
A: No. Both parts maintain ±10% tolerance and identical voltage ratings of 400V DC and 220V AC.
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