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RE0805FRE0718K7L Equivalent & Substitute Parts
Part Overview
The RE0805FRE0718K7L is an 18.7 kOhms ±1% thick film chip resistor in 0805 (2012 Metric) package rated at 0.125W (1/8W). Manufactured by YAGEO under the RE series, this component is actively produced and ROHS3 compliant. Substitute parts may be required due to inventory constraints, application-specific requirements such as automotive qualification, or enhanced performance specifications including tighter tolerance and higher power ratings.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | RE0805FRE0718K7L |
| Manufacturer | YAGEO |
| Resistance | 18.7 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±50ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitution eligibility for the RE0805FRE0718K7L is determined by the following mandatory parameters:
- Resistance value: 18.7 kOhms (exact match required)
- Package / Case: 0805 (2012 Metric) (exact match required)
- Composition: Thick Film (exact match required)
- Operating Temperature Range: -55°C ~ 155°C (minimum requirement)
- Temperature Coefficient: ±50ppm/°C (maximum allowable)
Tolerance and power rating may be enhanced beyond the original specification. Tolerance tighter than ±1% and power ratings equal to or greater than 0.125W are acceptable. All substitute parts must maintain ROHS3 compliance and MSL 1 rating.
The identified substitutes are Panasonic ERJ-PB6 series components: ERJ-PB6B1872V (±0.1% tolerance, 0.25W rating) and ERJ-PB6D1872V (±0.5% tolerance, 0.25W rating). Both meet all mandatory substitution criteria with enhanced specifications.
Parameter Comparison
| Parameter | RE0805FRE0718K7L (Main) | ERJ-PB6B1872V (Substitute) | ERJ-PB6D1872V (Substitute) |
|---|---|---|---|
| Manufacturer | YAGEO | Panasonic Electronic Components | Panasonic Electronic Components |
| Resistance | 18.7 kOhms | 18.7 kOhms | 18.7 kOhms |
| Tolerance | ±1% | ±0.1% | ±0.5% |
| Power Rating | 0.125W (1/8W) | 0.25W (1/4W) | 0.25W (1/4W) |
| Package / Case | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Size / Dimension | 0.079" L x 0.049" W (2.00mm x 1.25mm) | 0.079" L x 0.049" W (2.00mm x 1.25mm) | 0.079" L x 0.049" W (2.00mm x 1.25mm) |
| Height - Seated (Max) | 0.024" (0.60mm) | 0.028" (0.70mm) | 0.028" (0.70mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active |
| AEC-Q200 Automotive Rating | Not specified | Yes | Yes |
Engineering Selection Recommendations
Both ERJ-PB6B1872V and ERJ-PB6D1872V are valid substitutes for RE0805FRE0718K7L based on compliance and product status criteria.
ERJ-PB6B1872V offers the tightest tolerance specification at ±0.1% with AEC-Q200 automotive qualification and pulse withstanding capability. This part is suitable for applications requiring enhanced precision and automotive-grade reliability.
ERJ-PB6D1872V provides ±0.5% tolerance with identical AEC-Q200 automotive qualification and pulse withstanding features. This part balances tolerance performance with automotive-grade specifications.
Both substitutes feature doubled power rating (0.25W versus 0.125W) and slightly increased seated height (0.028" versus 0.024"). All three parts maintain identical resistance value, package dimensions, temperature coefficient, operating temperature range, and compliance certifications.
Frequently Asked Questions (FAQ)
Q: Can ERJ-PB6B1872V or ERJ-PB6D1872V be used as direct replacements for RE0805FRE0718K7L?
A: Yes. Both Panasonic parts meet all mandatory substitution criteria: identical 18.7 kOhms resistance, 0805 package, thick film composition, ±50ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. Enhanced tolerance and power ratings do not prevent substitution.
Q: What is the difference between ERJ-PB6B1872V and ERJ-PB6D1872V?
A: The primary difference is tolerance specification. ERJ-PB6B1872V is ±0.1% while ERJ-PB6D1872V is ±0.5%. Both share identical power rating (0.25W), package, temperature characteristics, and AEC-Q200 automotive qualification.
Q: Will the increased seated height (0.028" versus 0.024") cause PCB layout issues?
A: The 0.004" (0.10mm) height difference is within typical PCB assembly tolerances. Verify clearance in your specific application layout, particularly for components in close proximity or under shielding.
Q: Are the substitute parts suitable for automotive applications?
A: Both ERJ-PB6B1872V and ERJ-PB6D1872V carry AEC-Q200 automotive qualification. The original RE0805FRE0718K7L does not specify automotive rating. Use substitutes only if automotive qualification is required by your application.
Q: Do all three parts have the same moisture sensitivity level?
A: Yes. RE0805FRE0718K7L, ERJ-PB6B1872V, and ERJ-PB6D1872V all have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions.
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