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MF1/4DC1504F Equivalent & Substitute Parts
Part Overview
The MF1/4DC1504F is a 1.5 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 maintains active product status with 1100 units currently in stock. Substitute parts are identified to provide alternative sourcing options when the primary packaging format is unavailable or when inventory constraints require alternative distribution channels.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1.5 MOhms |
| 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 |
| Automotive Qualification | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution between MF1/4DC1504F and MF1/4DCT52R1504F is based on electrical and mechanical parameter equivalence. Both parts share identical electrical specifications: 1.5 MOhms resistance, ±1% tolerance, 0.25W power rating, metal film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both maintain axial package configuration with identical physical dimensions (0.091" Dia x 0.248" L / 2.30mm x 6.30mm) and two terminations. Compliance certifications are equivalent: both are ROHS3 compliant, REACH unaffected, and AEC-Q200 qualified for automotive use. The primary distinction is packaging format: MF1/4DC1504F is supplied in bulk packaging, while MF1/4DCT52R1504F is supplied in cut tape (CT) format. This difference affects inventory management and assembly line integration but does not alter component functionality or electrical performance.
Parameter Comparison
| Parameter | MF1/4DC1504F (Bulk) | MF1/4DCT52R1504F (Cut Tape) |
|---|---|---|
| Manufacturer | KOA Speer Electronics, Inc. | KOA Speer Electronics, Inc. |
| Series | MF | MF |
| Resistance | 1.5 MOhms | 1.5 MOhms |
| Tolerance | ±1% | ±1% |
| Power Rating | 0.25W (1/4W) | 0.25W (1/4W) |
| Composition | Metal Film | Metal Film |
| Package / Case | Axial | Axial |
| Physical Dimensions | 0.091" Dia x 0.248" L (2.30mm x 6.30mm) | 0.091" Dia x 0.248" L (2.30mm x 6.30mm) |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C |
| Automotive Qualification | AEC-Q200 | AEC-Q200 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active |
| Packaging Format | Bulk | Cut Tape (CT) |
| Current Inventory | 1100 Pcs | 5698 Pcs |
Engineering Selection Recommendations
Both MF1/4DC1504F and MF1/4DCT52R1504F are functionally equivalent for circuit applications requiring 1.5 MOhms ±1% metal film resistors in automotive environments. Selection between these parts should be based on procurement and assembly requirements rather than electrical performance. The bulk-packaged MF1/4DC1504F is suitable for manual assembly, kit preparation, or applications where loose component handling is acceptable. The cut tape format MF1/4DCT52R1504F is optimized for automated pick-and-place assembly systems and tape-fed component feeders. Both parts maintain active product status and full compliance with automotive qualification standards (AEC-Q200), RoHS3 regulations, and REACH requirements. Inventory availability should be considered: MF1/4DCT52R1504F currently maintains higher stock levels (5698 units) compared to MF1/4DC1504F (1100 units), which may influence lead time and supply chain continuity for high-volume production.
Frequently Asked Questions (FAQ)
Q: Can MF1/4DCT52R1504F replace MF1/4DC1504F in circuit designs? A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (cut tape versus bulk). Circuit performance, electrical specifications, and reliability characteristics are equivalent.
Q: What is the difference between bulk and cut tape packaging? A: Bulk packaging supplies loose components suitable for manual assembly or kit preparation. Cut tape packaging supplies components on continuous tape in standardized reel quantities, optimized for automated assembly equipment. Both formats contain identical components.
Q: Are both parts suitable for automotive applications? A: Yes. Both MF1/4DC1504F and MF1/4DCT52R1504F are AEC-Q200 qualified and designed for automotive use across the -55°C to 155°C operating temperature range.
Q: Do these parts have the same compliance certifications? A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry identical regulatory classifications (ECCN: EAR99, HTSUS: 8533.21.0090).
Q: Which part should I select for automated assembly? A: MF1/4DCT52R1504F (cut tape format) is designed for automated pick-and-place systems and tape-fed component feeders. MF1/4DC1504F (bulk format) is suitable for manual assembly processes.
Q: Are the physical dimensions identical? A: Yes. Both parts have identical axial package dimensions: 0.091" Dia x 0.248" L (2.30mm x 6.30mm). They are mechanically interchangeable in PCB layouts and through-hole mounting applications.
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