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MF1/4DC2004F Equivalent & Substitute Parts
Part Overview
The MF1/4DC2004F is a 2 MOhms ±1% metal film through-hole resistor rated at 0.25W (1/4W) in axial package configuration. Manufactured by KOA Speer Electronics, Inc., this component is designed for automotive applications and meets AEC-Q200 qualification standards. The part is currently in active production status with 972 units available in bulk packaging. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and packaging compatibility to support procurement flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 2 MOhms |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Composition | Metal Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Package Type | Axial |
| Physical Dimensions | 0.091" Dia × 0.248" L (2.30mm × 6.30mm) |
| Automotive Qualification | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the MF1/4DC2004F are identified based on the following critical parameters that must remain constant:
- Resistance value: 2 MOhms
- Tolerance: ±1%
- Power rating: 0.25W (1/4W)
- Composition: Metal Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C to 155°C
- Package type: Axial
- Physical dimensions: 0.091" Dia × 0.248" L (2.30mm × 6.30mm)
- Automotive qualification: AEC-Q200
- RoHS compliance: ROHS3 Compliant
The identified substitute part MF1/4DCT52R2004F maintains all electrical and mechanical specifications while differing only in packaging format (Cut Tape versus Bulk), making it functionally equivalent for circuit design and performance requirements.
Parameter Comparison
| Parameter | MF1/4DC2004F (Main) | MF1/4DCT52R2004F (Substitute) |
|---|---|---|
| Manufacturer | KOA Speer Electronics, Inc. | KOA Speer Electronics, Inc. |
| Series | MF | MF |
| Resistance | 2 MOhms | 2 MOhms |
| Tolerance | ±1% | ±1% |
| Power Rating | 0.25W (1/4W) | 0.25W (1/4W) |
| Composition | Metal Film | Metal Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C |
| Package Type | Axial | Axial |
| Physical Dimensions | 0.091" Dia × 0.248" L (2.30mm × 6.30mm) | 0.091" Dia × 0.248" L (2.30mm × 6.30mm) |
| AEC-Q200 Qualification | Yes | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Packaging Format | Bulk | Cut Tape (CT) |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the MF1/4DC2004F and MF1/4DCT52R2004F are active production components from KOA Speer Electronics, Inc., with full AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts should be based on procurement and assembly requirements:
The MF1/4DC2004F in bulk packaging is suitable for high-volume manufacturing environments with in-house tape-and-reel conversion capabilities or direct bulk component handling systems. The MF1/4DCT52R2004F in cut tape packaging is optimized for automated pick-and-place assembly lines and applications requiring pre-formatted component delivery. Both parts deliver identical electrical performance and mechanical fit within the specified operating temperature range of -55°C to 155°C.
Frequently Asked Questions (FAQ)
Q: Can MF1/4DCT52R2004F be used as a direct replacement for MF1/4DC2004F?
A: Yes. Both parts are electrically and mechanically identical, with matching resistance value (2 MOhms), tolerance (±1%), power rating (0.25W), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and axial package dimensions (0.091" Dia × 0.248" L). The only difference is packaging format: bulk versus cut tape.
Q: What determines substitution eligibility for this resistor?
A: Substitution is valid when the alternative part maintains all electrical parameters (resistance, tolerance, power rating, temperature coefficient), mechanical specifications (axial package, physical dimensions), automotive qualification (AEC-Q200), and compliance certifications (ROHS3). Packaging format differences do not affect substitution eligibility.
Q: Are there any compliance or certification differences between these parts?
A: No. Both parts carry identical certifications: AEC-Q200 automotive qualification, ROHS3 compliance, REACH unaffected status, and EAR99 export classification.
Q: Which packaging format should be selected for assembly?
A: Bulk packaging (MF1/4DC2004F) is appropriate for manual assembly or bulk component handling systems. Cut tape packaging (MF1/4DCT52R2004F) is designed for automated assembly equipment and provides pre-formatted component delivery. Selection depends on manufacturing process requirements, not electrical performance.
Q: Is the temperature coefficient identical between substitute parts?
A: Yes. Both parts specify ±100ppm/°C temperature coefficient and operate across the identical temperature range of -55°C to 155°C, ensuring equivalent thermal performance in automotive applications.
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