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RCP1206B100RJS2 Equivalent & Substitute Parts
Part Overview
The RCP1206B100RJS2 is a 100 Ohms ±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 applications requiring moisture-resistant surface mount resistors with moderate tolerance specifications. Substitute parts are identified when design requirements permit tolerance upgrades, packaging format changes, or compliance improvements while maintaining core electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 100 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 |
| Features | Moisture Resistant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | RoHS non-compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the RCP1206B100RJS2 is determined by the following criteria:
Core Electrical Parameters (Must Match):
- Resistance value: 100 Ohms
- Power rating: 2.4W
- Temperature coefficient: ±150ppm/°C
- Operating temperature range: -65°C ~ 155°C
Allowable Variations:
- Tolerance: May be tighter (lower value) than ±5%
- Packaging format: May differ (Tape & Reel to Cut Tape & Digi-Reel®)
- RoHS compliance: May be upgraded to compliant status
- Composition and features: Must remain thick film with moisture resistance
The RCP1206W100RGEB qualifies as a substitute because it maintains all core electrical parameters while offering improved tolerance (±2%) and enhanced RoHS compliance.
Parameter Comparison
| Parameter | RCP1206B100RJS2 (Main) | RCP1206W100RGEB (Substitute) |
|---|---|---|
| Manufacturer | Vishay Dale | Vishay Dale |
| Resistance | 100 Ohms | 100 Ohms |
| Tolerance | ±5% | ±2% |
| Power (Watts) | 2.4W | 2.4W |
| Composition | Thick Film | Thick Film |
| Features | Moisture Resistant | Moisture Resistant |
| Temperature Coefficient | ±150ppm/°C | ±150ppm/°C |
| Operating Temperature | -65°C ~ 155°C | -65°C ~ 155°C |
| Package / Case | 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) |
| Height - Seated (Max) | 0.025" (0.64mm) | 0.025" (0.64mm) |
| Number of Terminations | 2 | 2 |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) & Digi-Reel® |
| Product Status | Active | Active |
Engineering Selection Recommendations
RCP1206B100RJS2 is appropriate for applications where RoHS non-compliance is acceptable and standard ±5% tolerance meets circuit requirements. This part maintains active production status with established supply availability.
RCP1206W100RGEB is the preferred substitute when:
- RoHS3 compliance is required for end-product certification
- Tighter tolerance (±2%) improves circuit performance or reduces design margin requirements
- Packaging format compatibility with Cut Tape & Digi-Reel® distribution is acceptable
Both parts are manufactured by Vishay Dale with identical electrical performance characteristics, mechanical dimensions, and thermal specifications. Selection between them depends on regulatory compliance requirements and tolerance specifications for the target application.
Frequently Asked Questions (FAQ)
Q: Can RCP1206W100RGEB replace RCP1206B100RJS2 in existing designs?
A: Yes. The substitute maintains identical resistance, power rating, temperature coefficient, and operating temperature range. The tighter ±2% tolerance of the substitute is compatible with circuits designed for ±5% tolerance. Physical dimensions and termination count are identical, ensuring PCB layout compatibility.
Q: What is the primary difference between these parts?
A: The RCP1206W100RGEB offers improved tolerance (±2% versus ±5%) and RoHS3 compliance. Both parts are thick film, moisture-resistant 1206 package resistors with 2.4W power rating from Vishay Dale.
Q: Does packaging format affect electrical performance?
A: No. Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® are distribution formats only. They do not affect component electrical characteristics, performance, or reliability.
Q: Are both parts suitable for the same operating temperature range?
A: Yes. Both parts operate across -65°C to 155°C with identical ±150ppm/°C temperature coefficient.
Q: Which part should be selected for new designs?
A: Selection depends on regulatory requirements. If RoHS3 compliance is mandatory, use RCP1206W100RGEB. If RoHS compliance is not required and ±5% tolerance is acceptable, either part is suitable based on availability and cost considerations.
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