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Equivalent & Substitute Parts for AR0805FR-071K2L
Part Overview
The AR0805FR-071K2L is a 1.2 kOhms ±1% thick film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. Manufactured by YAGEO under the AR series, this component is RoHS3 compliant and moisture resistant with unlimited moisture sensitivity level (MSL 1). The part is currently active in production with 864 units in stock.
Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements shift toward automotive-grade components, or when higher power ratings or enhanced features such as pulse withstanding capability are required for specific applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1.2 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following criteria:
Primary Substitution Criteria (Mandatory Match):
- Resistance value: 1.2 kOhms
- Tolerance: ±1%
- Package / Case: 0805 (2012 Metric)
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature Range: -55°C to 155°C
- RoHS3 Compliance
- MSL 1 (Unlimited)
Secondary Substitution Criteria (Allowable Variation):
- Power Rating: Equal to or greater than 0.125W
- Manufacturer: Different manufacturers acceptable
- Packaging format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® interchangeable
- Features: Additional features (Automotive AEC-Q200, Pulse Withstanding, Anti-Sulfur) permitted
Substitute parts are grouped by power rating and automotive qualification status. Parts with identical 0.125W ratings are direct equivalents. Parts with higher power ratings (0.4W, 0.5W) are upgrades suitable for applications requiring enhanced thermal performance or pulse handling.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Features | Automotive AEC-Q200 | RoHS3 | MSL |
|---|---|---|---|---|---|---|---|---|---|
| AR0805FR-071K2L | YAGEO | 1.2 kΩ | ±1% | 0.125 | 0805 | Moisture Resistant | No | Yes | 1 |
| RC0805FR-071K2L | YAGEO | 1.2 kΩ | ±1% | 0.125 | 0805 | Moisture Resistant | No | Yes | 1 |
| AC0805FR-071K2L | YAGEO | 1.2 kΩ | ±1% | 0.125 | 0805 | Automotive AEC-Q200, Moisture Resistant | Yes | Yes | 1 |
| CRCW08051K20FKEA | Vishay Dale | 1.2 kΩ | ±1% | 0.125 | 0805 | Automotive AEC-Q200 | Yes | Yes | 1 |
| CRCW08051K20FKEAHP | Vishay Dale | 1.2 kΩ | ±1% | 0.5 | 0805 | Automotive AEC-Q200, Pulse Withstanding | Yes | Yes | 1 |
| ERJ-6ENF1201V | Panasonic Electronic Components | 1.2 kΩ | ±1% | 0.125 | 0805 | Automotive AEC-Q200 | Yes | Yes | 1 |
| ERJ-UP6F1201V | Panasonic Electronic Components | 1.2 kΩ | ±1% | 0.5 | 0805 | Anti-Sulfur, Automotive AEC-Q200, Pulse Withstanding | Yes | Yes | 1 |
| ESR10EZPF1201 | Rohm Semiconductor | 1.2 kΩ | ±1% | 0.4 | 0805 | Automotive AEC-Q200, Pulse Withstanding | Yes | Yes | 1 |
| RCS08051K20FKEA | Vishay Dale | 1.2 kΩ | ±1% | 0.5 | 0805 | Automotive AEC-Q200, Pulse Withstanding | Yes | Yes | 1 |
Engineering Selection Recommendations
Direct Equivalents (Same Power Rating - 0.125W):
RC0805FR-071K2L from YAGEO is a direct equivalent with identical electrical specifications and packaging. This part differs only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and is suitable for applications where the original AR0805FR-071K2L is unavailable.
AC0805FR-071K2L from YAGEO is a direct electrical equivalent with the addition of Automotive AEC-Q200 qualification. This upgrade is appropriate for automotive applications or when enhanced reliability certification is required.
CRCW08051K20FKEA from Vishay Dale and ERJ-6ENF1201V from Panasonic Electronic Components are direct electrical equivalents with Automotive AEC-Q200 qualification. Both maintain the 0.125W power rating and are suitable for automotive-grade applications requiring cross-manufacturer sourcing.
Upgraded Substitutes (Higher Power Rating - 0.4W to 0.5W):
CRCW08051K20FKEAHP, ERJ-UP6F1201V, ESR10EZPF1201, and RCS08051K20FKEA offer increased power dissipation capability (0.4W to 0.5W) with Automotive AEC-Q200 qualification and pulse withstanding features. These parts are suitable for applications where thermal margin or transient pulse handling is critical. The 0805 package dimensions remain identical, ensuring mechanical compatibility.
ERJ-UP6F1201V additionally includes anti-sulfur protection, beneficial in corrosive environments.
Selection Basis:
All substitute parts maintain RoHS3 compliance, MSL 1 rating, and the specified temperature coefficient and operating range. Selection should be based on application requirements for automotive qualification, power dissipation margin, and packaging format availability.
Frequently Asked Questions (FAQ)
Q: Can RC0805FR-071K2L replace AR0805FR-071K2L in any application?
A: Yes. RC0805FR-071K2L is electrically and mechanically identical to AR0805FR-071K2L. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). Both are suitable for identical applications.
Q: What is the difference between the 0.125W and 0.5W rated parts?
A: Power rating indicates maximum continuous power dissipation capability. A 0.5W part can safely dissipate more heat than a 0.125W part in the same 0805 package. Higher-rated parts provide thermal margin for applications with higher current or voltage stress. All other electrical parameters remain identical.
Q: Are Automotive AEC-Q200 qualified parts necessary for non-automotive applications?
A: No. Automotive AEC-Q200 qualification is not required for non-automotive applications. However, AEC-Q200 parts undergo additional reliability testing and are suitable for any application. They may be used as direct substitutes without design modification.
Q: Can parts with different manufacturers be used interchangeably?
A: Yes. All substitute parts listed maintain identical electrical specifications (1.2 kΩ ±1%, temperature coefficient ±100ppm/°C, operating range -55°C to 155°C) and package dimensions (0805). Different manufacturers are interchangeable provided the specific power rating and feature requirements are met.
Q: What does "Pulse Withstanding" mean?
A: Pulse withstanding capability indicates the part can tolerate transient overvoltage or overcurrent events without permanent damage. This feature is beneficial in applications with switching transients or inductive load switching. Parts without this designation are suitable for steady-state applications only.
Q: Are Cut Tape & Digi-Reel® and Tape & Reel packaging interchangeable?
A: Both are standard SMD packaging formats. Tape & Reel (TR) is continuous reel packaging for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® is pre-cut tape for lower-volume or mixed-component assembly. Electrical and mechanical specifications are identical; selection depends on assembly equipment and volume requirements.
Q: What does MSL 1 (Unlimited) mean?
A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. No baking or desiccant storage is necessary before soldering.
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