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CF12JT6R80 Equivalent & Substitute Parts
Part Overview
The CF12JT6R80 is a 6.8 Ohm, ±5% tolerance, 0.5W (1/2W) through-hole axial resistor manufactured by Stackpole Electronics Inc. This carbon film resistor features flame retardant coating and safety characteristics, designed for general-purpose electronic applications requiring reliable fixed resistance values in compact axial packages. The part is currently active in production with ROHS3 compliance and REACH unaffected status. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility can be maintained across different packaging formats or series variants.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 6.8 Ohms |
| Tolerance | ±5% |
| Power Rating | 0.5W (1/2W) |
| Composition | Carbon Film |
| Temperature Coefficient | ±400ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Package Type | Axial |
| Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the CF12JT6R80 is determined by strict equivalence in the following electrical and mechanical parameters:
- Resistance value: 6.8 Ohms (exact match required)
- Tolerance: ±5% (exact match required)
- Power rating: 0.5W / 1/2W (exact match required)
- Composition: Carbon Film (exact match required)
- Temperature coefficient: ±400ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
- Package configuration: Axial through-hole (exact match required)
- Termination count: 2 (exact match required)
- Compliance certifications: ROHS3 Compliant, REACH Unaffected (exact match required)
The CFM12JT6R80 qualifies as a direct substitute based on identical electrical specifications and compliance certifications. The primary difference is packaging format: CF12JT6R80 is supplied in Tape & Reel (TR) format, while CFM12JT6R80 is supplied in Cut Tape (CT) format. Both parts maintain the same axial component geometry and electrical performance characteristics.
Parameter Comparison
| Parameter | CF12JT6R80 (Main Part) | CFM12JT6R80 (Substitute) |
|---|---|---|
| Manufacturer | Stackpole Electronics Inc | Stackpole Electronics Inc |
| Resistance | 6.8 Ohms | 6.8 Ohms |
| Tolerance | ±5% | ±5% |
| Power Rating | 0.5W (1/2W) | 0.5W (1/2W) |
| Composition | Carbon Film | Carbon Film |
| Features | Flame Retardant Coating, Safety | Flame Retardant Coating, Safety |
| Temperature Coefficient | ±400ppm/°C | ±400ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C |
| Package / Case | Axial | Axial |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) |
| Size / Dimension | 0.106" Dia x 0.335" L (2.70mm x 8.50mm) | 0.091" Dia x 0.256" L (2.30mm x 6.50mm) |
| Number of Terminations | 2 | 2 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both CF12JT6R80 and CFM12JT6R80 are active production parts from Stackpole Electronics Inc with identical electrical specifications and full compliance certifications (ROHS3 Compliant, REACH Unaffected). Selection between these parts is determined by packaging and supply chain requirements rather than electrical performance.
The CF12JT6R80 in Tape & Reel format is suitable for high-volume automated assembly operations where continuous reel feeding is required. The CFM12JT6R80 in Cut Tape format provides flexibility for lower-volume applications, manual assembly, or mixed-component kitting scenarios.
Physical dimensions differ between the two parts: CF12JT6R80 measures 0.106" diameter by 0.335" length, while CFM12JT6R80 measures 0.091" diameter by 0.256" length. PCB layout and component spacing must accommodate the selected part's physical dimensions.
Frequently Asked Questions (FAQ)
Q: Can CFM12JT6R80 be used as a direct replacement for CF12JT6R80 in circuit applications?
A: Yes. Both parts have identical electrical specifications: 6.8 Ohms ±5% tolerance, 0.5W power rating, ±400ppm/°C temperature coefficient, and -55°C to 155°C operating range. The difference is packaging format (Tape & Reel versus Cut Tape) and physical dimensions. Electrical performance and compliance certifications are equivalent.
Q: What is the primary difference between CF12JT6R80 and CFM12JT6R80?
A: The primary difference is packaging format. CF12JT6R80 is supplied in Tape & Reel (TR) format for automated assembly lines. CFM12JT6R80 is supplied in Cut Tape (CT) format for manual assembly or lower-volume applications. Secondary differences include physical dimensions: CF12JT6R80 is 0.106" diameter by 0.335" length; CFM12JT6R80 is 0.091" diameter by 0.256" length.
Q: Are there any compliance or certification differences between these parts?
A: No. Both parts are ROHS3 Compliant and REACH Unaffected. Both are active production parts from Stackpole Electronics Inc with identical safety features (flame retardant coating) and reliability characteristics.
Q: Does the physical size difference affect circuit compatibility?
A: Physical dimensions must be verified against PCB layout requirements. CF12JT6R80 (0.106" Dia x 0.335" L) is larger than CFM12JT6R80 (0.091" Dia x 0.256" L). Confirm that the selected part's dimensions fit within available PCB space and component spacing constraints before substitution.
Q: Can these parts be used interchangeably in the same design?
A: Electrical interchangeability is complete. Mechanical interchangeability depends on PCB layout and assembly process. Verify packaging format compatibility with your assembly equipment and confirm physical dimensions fit your PCB design before implementing substitution.
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