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CF25-102JTR Equivalent & Substitute Parts Reference
Part Overview
The CF25-102JTR is a 1/4W axial carbon film resistor rated at 1 kOhms with ±5% tolerance, manufactured by Meritek. This component is classified as Active product status and is RoHS Compliant. The part is designed for through-hole applications requiring standard carbon film resistor performance across industrial temperature ranges. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical form factor, and compliance certifications to ensure functional interchangeability in circuit designs.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 1 kOhms |
| Tolerance | ±5% |
| Power Rating | 0.25W (1/4W) |
| Composition | Carbon Film |
| Package Type | Axial Through-Hole |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the CF25-102JTR are qualified based on the following critical parameters:
- Electrical Match: Resistance value of 1 kOhms and tolerance of ±5%
- Power Rating: 0.25W (1/4W) minimum
- Form Factor: Axial through-hole package configuration
- Composition: Carbon film construction
- Operating Temperature: Minimum range of -55°C to 125°C
- Compliance: RoHS compliance status
All identified substitute parts meet or exceed these core parameters, ensuring direct functional replacement capability in circuit applications. Packaging format variations (Cut Tape vs. Bulk) do not affect electrical or mechanical interchangeability.
Parameter Comparison
| Parameter | CF25-102JTR (Meritek) | CF14JT1K00 (Stackpole) | CFR-25JR-52-1K (YAGEO) | CFR-25JB-52-1K (YAGEO) |
|---|---|---|---|---|
| Resistance | 1 kOhms | 1 kOhms | 1 kOhms | 1 kOhms |
| Tolerance | ±5% | ±5% | ±5% | ±5% |
| Power Rating | 0.25W | 0.25W | 0.25W | 0.25W |
| Composition | Carbon Film | Carbon Film | Carbon Film | Carbon Film |
| Package | Axial | Axial | Axial | Axial |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity | MSL 1 | Not Applicable | Not Applicable | Not Applicable |
Engineering Selection Recommendations
All substitute parts listed are Active product status components with current manufacturing availability. The CF14JT1K00 (Stackpole Electronics Inc) features flame retardant coating and safety-rated construction, providing enhanced thermal performance with an extended operating temperature range to 155°C. Both YAGEO variants (CFR-25JR-52-1K and CFR-25JB-52-1K) are functionally identical with identical electrical specifications and temperature ratings, differing only in packaging format (Cut Tape versus Bulk).
Selection between substitute parts depends on procurement requirements and packaging logistics. All parts maintain ROHS3 compliance status, exceeding the RoHS Compliant requirement of the original CF25-102JTR. The extended temperature range of substitute parts (155°C maximum) provides additional operational margin compared to the CF25-102JTR specification of 125°C maximum.
Frequently Asked Questions (FAQ)
Q: Can CF14JT1K00, CFR-25JR-52-1K, and CFR-25JB-52-1K be used interchangeably with CF25-102JTR?
A: Yes. All substitute parts match the critical electrical parameters (1 kOhms, ±5%, 0.25W) and mechanical form factor (axial through-hole). The axial package dimensions are compatible with standard PCB through-hole layouts designed for the CF25-102JTR.
Q: What is the difference between CFR-25JR-52-1K and CFR-25JB-52-1K?
A: Both parts are electrically and mechanically identical. The difference is packaging format: CFR-25JR-52-1K is supplied in Cut Tape (CT) format, while CFR-25JB-52-1K is supplied in Bulk format. Selection depends on procurement and assembly process requirements.
Q: Does the extended temperature range of substitute parts affect compatibility?
A: No. Extended operating temperature ranges (155°C maximum on substitute parts versus 125°C on CF25-102JTR) provide additional operational margin and do not impact compatibility. The parts remain fully functional within the original design temperature specifications.
Q: Are all substitute parts RoHS compliant?
A: Yes. All substitute parts carry ROHS3 Compliant status, which exceeds the RoHS Compliant requirement of the CF25-102JTR and ensures compliance with current environmental regulations.
Q: What does MSL 1 (Unlimited) on the CF25-102JTR indicate?
A: MSL 1 indicates the lowest moisture sensitivity level, meaning the component has unlimited shelf life and requires no special moisture control during storage or handling. Substitute parts are listed as Not Applicable for MSL, indicating they do not require moisture sensitivity management.
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