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RCP1206B50R0JS3 Equivalent & Substitute Parts
Part Overview
The RCP1206B50R0JS3 is a 50 Ohm ±5% 2.4W thick film chip resistor in 1206 (3216 Metric) package manufactured by Vishay Dale. This component is actively produced and widely used in general-purpose SMD applications requiring moisture-resistant thick film construction. Substitute parts are identified when inventory constraints, compliance requirements, or tolerance specifications necessitate alternative sourcing while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 50 Ohms |
| Tolerance | ±5% |
| Power Rating | 2.4W |
| Package / Case | 1206 (3216 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±150ppm/°C |
| Operating Temperature Range | -65°C ~ 155°C |
| Moisture Sensitivity Level | 1 (Unlimited) |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitution eligibility for the RCP1206B50R0JS3 is determined by strict equivalence in the following parameters:
- Resistance value: 50 Ohms (exact match required)
- Power rating: 2.4W (exact match required)
- Package / Case: 1206 (3216 Metric) (exact match required)
- Composition: Thick Film (exact match required)
- Temperature Coefficient: ±150ppm/°C (exact match required)
- Operating Temperature Range: -65°C ~ 155°C (exact match required)
- Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
Tolerance and RoHS compliance status may vary between substitute parts without affecting functional compatibility, provided all other parameters remain identical.
Parameter Comparison
| Parameter | RCP1206B50R0JS3 | RCP1206W50R0JTP | RCP1206W50R0GEB |
|---|---|---|---|
| Manufacturer | Vishay Dale | Vishay Dale | Vishay Dale |
| Resistance | 50 Ohms | 50 Ohms | 50 Ohms |
| Tolerance | ±5% | ±5% | ±2% |
| Power (Watts) | 2.4W | 2.4W | 2.4W |
| Composition | Thick Film | Thick Film | Thick Film |
| Features | Moisture Resistant | Moisture Resistant | Moisture Resistant |
| Temperature Coefficient | ±150ppm/°C | ±150ppm/°C | ±150ppm/°C |
| Operating Temperature | -65°C ~ 155°C | -65°C ~ 155°C | -65°C ~ 155°C |
| Package / Case | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) |
| Size / Dimension | 0.122" L x 0.060" W (3.10mm x 1.52mm) | 0.122" L x 0.060" W (3.10mm x 1.52mm) | 0.122" L x 0.060" W (3.10mm x 1.52mm) |
| Height - Seated (Max) | 0.025" (0.64mm) | 0.025" (0.64mm) | 0.025" (0.64mm) |
| Number of Terminations | 2 | 2 | 2 |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | RoHS non-compliant | RoHS non-compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active |
Engineering Selection Recommendations
RCP1206W50R0JTP is a direct equivalent to RCP1206B50R0JS3 with identical electrical and mechanical specifications. Both parts maintain RoHS non-compliant status and are suitable for applications where RoHS compliance is not required.
RCP1206W50R0GEB provides improved tolerance specification (±2% versus ±5%) and achieves ROHS3 compliance. This part is selected when designs require enhanced tolerance performance or RoHS3 certification. The tighter tolerance does not introduce any mechanical or thermal incompatibility.
All three parts are manufactured by Vishay Dale, share identical package dimensions, power ratings, and operating temperature ranges, and are suitable for direct substitution in 1206 SMD resistor applications.
Frequently Asked Questions (FAQ)
Q: Can RCP1206W50R0JTP be used as a direct replacement for RCP1206B50R0JS3?
A: Yes. Both parts are electrically and mechanically identical with matching 50 Ohm resistance, ±5% tolerance, 2.4W power rating, 1206 package, and operating temperature range of -65°C to 155°C.
Q: What is the difference between RCP1206W50R0GEB and the other two parts?
A: RCP1206W50R0GEB offers ±2% tolerance instead of ±5% and is ROHS3 compliant. All other electrical and mechanical parameters remain identical. The tighter tolerance makes it suitable for applications requiring higher precision.
Q: Are all three parts compatible with the same PCB layout?
A: Yes. All three parts share identical 1206 (3216 Metric) package dimensions: 0.122" L x 0.060" W (3.10mm x 1.52mm) with maximum seated height of 0.025" (0.64mm). No PCB redesign is required when substituting between these parts.
Q: What is the Moisture Sensitivity Level for these resistors?
A: All three parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.
Q: Which part should be selected for RoHS3 compliant applications?
A: RCP1206W50R0GEB is ROHS3 compliant. RCP1206B50R0JS3 and RCP1206W50R0JTP are RoHS non-compliant and should not be used in applications requiring RoHS3 certification.
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