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MFS1/4DCT52R6041F Equivalent & Substitute Parts
Part Overview
The MFS1/4DCT52R6041F is a 6.04 kOhms ±1% 0.25W through-hole resistor manufactured by KOA Speer Electronics, Inc. This metal film axial resistor is designed for automotive applications and meets AEC-Q200 qualification standards. The component is currently in active production status with 992 units available in inventory. Substitute parts are identified when equivalent electrical and mechanical specifications are required for procurement flexibility, inventory management, or supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 6.04 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Composition | Metal Film |
| Package Type | Axial |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution eligibility for the MFS1/4DCT52R6041F is determined by strict equivalence across the following critical parameters:
- Resistance value: 6.04 kOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 0.25W / 1/4W (exact match required)
- Composition: Metal Film (exact match required)
- Package configuration: Axial through-hole (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
- Regulatory compliance: ROHS3 Compliant and REACH Unaffected (exact match required)
The identified substitute part MFR-25FBF52-6K04 meets all electrical and mechanical equivalence criteria and is therefore suitable for direct substitution in applications requiring the MFS1/4DCT52R6041F.
Parameter Comparison
| Parameter | MFS1/4DCT52R6041F (KOA Speer) | MFR-25FBF52-6K04 (YAGEO) | Match Status |
|---|---|---|---|
| Resistance | 6.04 kOhms | 6.04 kOhms | Equivalent |
| Tolerance | ±1% | ±1% | Equivalent |
| Power Rating | 0.25W | 0.25W | Equivalent |
| Composition | Metal Film | Metal Film | Equivalent |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | Equivalent |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C | Equivalent |
| Package Type | Axial | Axial | Equivalent |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Equivalent |
| REACH Status | REACH Unaffected | REACH Unaffected | Equivalent |
| Physical Dimension | 0.067" Dia x 0.126" L (1.70mm x 3.20mm) | 0.094" Dia x 0.248" L (2.40mm x 6.30mm) | Different |
| Packaging Format | Cut Tape (CT) | Bulk | Different |
Engineering Selection Recommendations
Both the MFS1/4DCT52R6041F and MFR-25FBF52-6K04 are active production components with full ROHS3 compliance and REACH unaffected status, making them suitable for regulated applications. The electrical specifications are identical across all critical parameters including resistance, tolerance, power rating, temperature coefficient, and operating temperature range.
Physical dimensions differ between the two parts. The MFS1/4DCT52R6041F measures 0.067" diameter by 0.126" length, while the MFR-25FBF52-6K04 measures 0.094" diameter by 0.248" length. Component selection should account for available board space and PCB layout constraints. Packaging format also differs: the primary part is supplied in cut tape format while the substitute is supplied in bulk format, which may affect procurement and assembly workflows.
Frequently Asked Questions (FAQ)
Q: Can MFR-25FBF52-6K04 be used as a direct electrical replacement for MFS1/4DCT52R6041F?
A: Yes. Both components share identical electrical specifications: 6.04 kOhms resistance, ±1% tolerance, 0.25W power rating, metal film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Regulatory compliance is equivalent for both parts.
Q: What are the physical differences between these parts?
A: The MFS1/4DCT52R6041F is smaller at 0.067" diameter by 0.126" length compared to the MFR-25FBF52-6K04 at 0.094" diameter by 0.248" length. Physical space availability on the PCB must be evaluated before substitution.
Q: Are there packaging considerations for substitution?
A: Yes. The MFS1/4DCT52R6041F is supplied in cut tape format while MFR-25FBF52-6K04 is supplied in bulk format. Assembly processes and handling equipment may require adjustment based on packaging format differences.
Q: Do both parts meet automotive qualification requirements?
A: The MFS1/4DCT52R6041F carries AEC-Q200 automotive qualification. The MFR-25FBF52-6K04 does not list automotive qualification features in the provided specifications. Application requirements for automotive-grade components should be confirmed before substitution.
Q: Are both parts RoHS and REACH compliant?
A: Yes. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use.
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