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RR01J18RTB Equivalent & Substitute Parts
Part Overview
The RR01J18RTB is an 18 Ohms ±5% 1W through-hole axial resistor manufactured by TE Connectivity Passive Product. This metal film resistor features flame retardant coating, pulse withstanding capability, and safety certification. The component is classified as Active product status with 940 pieces currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical compatibility, and compliance certifications align with the original component requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 18 Ohms |
| Tolerance | ±5% |
| Power Rating | 1W |
| Composition | Metal Film |
| Package Type | Axial |
| Operating Temperature Range | -55°C ~ 235°C |
| Temperature Coefficient | ±300ppm/°C |
| RoHS Status | ROHS3 Compliant |
| Terminations | 2 |
Substitute Part Grouping Explanation
Substitution eligibility for the RR01J18RTB is determined by the following critical parameters:
Electrical Specifications: Resistance value (18 Ohms), tolerance (±5%), and power rating (1W) must match exactly. Metal film composition is required for thermal stability and precision characteristics.
Mechanical Compatibility: Axial package configuration with two terminations is mandatory for direct board-level substitution. Physical dimensions must accommodate existing PCB footprints.
Environmental & Compliance: Operating temperature range, RoHS3 compliance, and REACH status must be maintained. Flame retardant coating and safety features are required specifications.
Packaging Format: Cut Tape (CT) packaging ensures compatibility with automated assembly processes.
The PR01000101809JR500 qualifies as a substitute based on matching electrical specifications, axial package configuration, RoHS3 compliance, and REACH unaffected status.
Parameter Comparison
| Parameter | RR01J18RTB (Main) | PR01000101809JR500 (Substitute) |
|---|---|---|
| Manufacturer | TE Connectivity Passive Product | Vishay Beyschlag/Draloric/BC Components |
| Resistance | 18 Ohms | 18 Ohms |
| Tolerance | ±5% | ±5% |
| Power Rating | 1W | 1W |
| Composition | Metal Film | Metal Film |
| Package Type | Axial | Axial |
| Temperature Coefficient | ±300ppm/°C | ±250ppm/°C |
| Operating Temperature Range | -55°C ~ 235°C | -55°C ~ 155°C |
| Size / Dimension | 0.102" Dia x 0.268" L (2.60mm x 6.80mm) | 0.098" Dia x 0.256" L (2.50mm x 6.50mm) |
| Terminations | 2 | 2 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Packaging Format | Cut Tape (CT) | Cut Tape (CT) |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the RR01J18RTB and PR01000101809JR500 maintain Active product status and satisfy ROHS3 and REACH compliance requirements. The substitute part PR01000101809JR500 includes Automotive AEC-Q200 qualification, providing additional reliability certification for automotive applications.
The primary operational difference is the maximum operating temperature: the RR01J18RTB supports -55°C to 235°C, while the PR01000101809JR500 operates within -55°C to 155°C. Applications requiring sustained operation above 155°C require the original RR01J18RTB specification.
The temperature coefficient of the substitute (±250ppm/°C) is superior to the main part (±300ppm/°C), indicating tighter resistance stability across temperature variations. Physical dimensions of the substitute are marginally smaller, which may provide layout advantages in space-constrained designs while maintaining axial package compatibility.
Both components feature flame retardant coating and safety certification. The substitute includes fusible characteristics in addition to pulse withstanding capability.
Frequently Asked Questions (FAQ)
Q: Can PR01000101809JR500 replace RR01J18RTB in all applications?
A: Substitution is valid for applications operating within -55°C to 155°C. Applications requiring operation above 155°C must use the original RR01J18RTB, which supports temperatures to 235°C.
Q: Are the physical dimensions compatible with existing PCB layouts?
A: Both components use axial package configuration with two terminations. The substitute (0.098" Dia x 0.256" L) is slightly smaller than the main part (0.102" Dia x 0.268" L). Existing PCB footprints designed for the RR01J18RTB accommodate the smaller substitute without modification.
Q: What is the significance of the temperature coefficient difference?
A: The substitute's ±250ppm/°C coefficient provides superior resistance stability compared to the main part's ±300ppm/°C. This results in tighter tolerance maintenance across the operating temperature range, beneficial for precision circuit applications.
Q: Does the substitute meet automotive qualification requirements?
A: The PR01000101809JR500 carries Automotive AEC-Q200 certification, qualifying it for automotive applications. The RR01J18RTB does not specify automotive qualification.
Q: Are both parts RoHS3 compliant?
A: Yes, both RR01J18RTB and PR01000101809JR500 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.
Q: What packaging formats are available for both parts?
A: Both components are supplied in Cut Tape (CT) packaging, compatible with automated assembly processes and standard component handling equipment.
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