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CFM12JT1M80 Equivalent & Substitute Parts
Part Overview
The CFM12JT1M80 is a 1.8 MOhms ±5% 0.5W through-hole resistor manufactured by Stackpole Electronics Inc. This axial carbon film resistor features flame retardant coating and safety characteristics, designed for applications requiring high-resistance values in compact form factors. The part is currently active in production with full RoHS3 compliance. Substitute parts are identified to provide alternative sourcing options when the primary packaging format (Tape & Reel) is unavailable or when alternative packaging configurations better suit assembly requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1.8 MOhms |
| Tolerance | ±5% |
| Power Rating | 0.5W (1/2W) |
| Composition | Carbon Film |
| Package Type | Axial |
| Temperature Coefficient | 0 / -1500ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Features | Flame Retardant Coating, Safety |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
The CF12JT1M80 qualifies as a direct substitute for the CFM12JT1M80 based on identical electrical and material specifications. Both parts share the same resistance value (1.8 MOhms), tolerance (±5%), power rating (0.5W), composition (carbon film), temperature coefficient (0 / -1500ppm/°C), and operating temperature range (-55°C to 155°C). Both are manufactured by Stackpole Electronics Inc within the same product series and maintain equivalent safety and flame retardant characteristics.
The primary distinction between these parts is packaging format: CFM12JT1M80 is supplied in Tape & Reel (TR) configuration, while CF12JT1M80 is supplied in Cut Tape (CT) configuration. Both packaging formats are standard industry options for through-hole axial resistors and do not affect electrical performance or functional compatibility. The physical dimensions differ slightly due to manufacturing tolerances within the axial resistor category, with CF12JT1M80 measuring 0.106" Dia x 0.335" L (2.70mm x 8.50mm) compared to CFM12JT1M80 at 0.091" Dia x 0.256" L (2.30mm x 6.50mm).
Parameter Comparison
| Parameter | CFM12JT1M80 (Main) | CF12JT1M80 (Substitute) |
|---|---|---|
| Manufacturer | Stackpole Electronics Inc | Stackpole Electronics Inc |
| Resistance | 1.8 MOhms | 1.8 MOhms |
| Tolerance | ±5% | ±5% |
| Power Rating | 0.5W | 0.5W |
| Composition | Carbon Film | Carbon Film |
| Temperature Coefficient | 0 / -1500ppm/°C | 0 / -1500ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C |
| Features | Flame Retardant Coating, Safety | Flame Retardant Coating, Safety |
| Package Type | Axial | Axial |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Both CFM12JT1M80 and CF12JT1M80 are active production parts with identical electrical specifications and full regulatory compliance (ROHS3 and REACH). Selection between these parts should be based on assembly process requirements and packaging availability. Tape & Reel packaging (CFM12JT1M80) is optimized for automated pick-and-place assembly operations. Cut Tape packaging (CF12JT1M80) is suitable for manual assembly, lower-volume production runs, or applications where individual component handling is preferred. Both parts maintain equivalent performance characteristics across the specified operating temperature range and are suitable for direct substitution in circuit applications.
Frequently Asked Questions (FAQ)
Q: Can CF12JT1M80 be used as a direct replacement for CFM12JT1M80?
A: Yes. Both parts are electrically and functionally identical with matching resistance (1.8 MOhms), tolerance (±5%), power rating (0.5W), temperature coefficient, and operating temperature range. The difference is packaging format only.
Q: What is the difference between Tape & Reel and Cut Tape packaging?
A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, optimized for automated assembly equipment. Cut Tape (CT) packaging supplies components on tape segments, suitable for manual assembly or lower-volume applications. Both formats contain identical components.
Q: Are there physical dimension differences between these parts?
A: Minor dimensional variations exist within standard axial resistor tolerances. CFM12JT1M80 measures 0.091" Dia x 0.256" L (2.30mm x 6.50mm), while CF12JT1M80 measures 0.106" Dia x 0.335" L (2.70mm x 8.50mm). These variations do not affect electrical performance or circuit compatibility.
Q: Do both parts meet the same compliance standards?
A: Yes. Both CFM12JT1M80 and CF12JT1M80 are ROHS3 compliant and REACH unaffected, meeting equivalent regulatory requirements.
Q: Which part should I select for automated assembly?
A: CFM12JT1M80 in Tape & Reel format is designed for automated pick-and-place assembly operations.
Q: Which part should I select for manual assembly?
A: CF12JT1M80 in Cut Tape format is suitable for manual assembly and component handling.
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