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AF0805FR-0782KL Equivalent & Substitute Parts
Part Overview
The AF0805FR-0782KL is a 82 kOhms ±1% 0.125W (1/8W) chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for automotive and industrial applications requiring high reliability in harsh environments. The part is currently active in production with 729 units in stock.
Equivalent and substitute parts are necessary when the primary part becomes unavailable, when supply chain optimization is required, or when design flexibility allows for alternative manufacturers meeting identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 82 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 ~ 155°C |
| Ratings | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the AF0805FR-0782KL is determined by strict equivalence across the following critical parameters:
- Electrical Specifications: Resistance value (82 kOhms), tolerance (±1%), and power rating (0.125W / 1/8W) must match exactly
- Package Compatibility: 0805 (2012 Metric) package is mandatory for PCB footprint compatibility
- Environmental Ratings: AEC-Q200 automotive qualification is required for equivalent substitution
- Composition & Temperature Performance: Thick film construction with ±100ppm/°C temperature coefficient and -55°C ~ 155°C operating range
- Compliance: ROHS3 compliance and MSL 1 rating required
Substitute parts are grouped into two categories:
Category A - Direct Equivalents (1/8W, 82 kOhms, ±1%) Parts meeting all specifications of the primary part with identical power rating and automotive qualification.
Category B - Higher Power Rating Alternatives (1/2W, 82 kOhms, ±1%) Parts with increased power dissipation capability (0.5W vs 0.125W) in the same package. These are suitable only when circuit design permits higher power rating without thermal or performance concerns.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power Rating | Package | Temp Coeff | Operating Temp | AEC-Q200 | RoHS3 | MSL | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AF0805FR-0782KL | YAGEO | 82 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | 729 Pcs |
| AC0805FR-0782KL | YAGEO | 82 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | 8844 Pcs |
| RC0805FR-0782KL | YAGEO | 82 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | 1 | 70577 Pcs |
| CRCW080582K0FKEA | Vishay Dale | 82 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | 60967 Pcs |
| CRCW080582K0FKEAHP | Vishay Dale | 82 kOhms | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | 5525 Pcs |
| ERJ-6ENF8202V | Panasonic Electronic Components | 82 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | 188663 Pcs |
| ERJ-UP6F8202V | Panasonic Electronic Components | 82 kOhms | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | 5958 Pcs |
| RC2012F823CS | Samsung Electro-Mechanics | 82 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | 1 | 1048 Pcs |
| RCS080582K0FKEA | Vishay Dale | 82 kOhms | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | 11938 Pcs |
Engineering Selection Recommendations
Direct Equivalents (Recommended for 1:1 Replacement)
AC0805FR-0782KL, CRCW080582K0FKEA, and ERJ-6ENF8202V are direct electrical and mechanical equivalents with identical 0.125W power rating and AEC-Q200 automotive qualification. These parts are suitable for direct substitution without circuit redesign. AC0805FR-0782KL offers the highest inventory availability within YAGEO's product line. CRCW080582K0FKEA provides cross-manufacturer redundancy from Vishay Dale. ERJ-6ENF8202V from Panasonic offers the largest available inventory (188,663 units).
RC0805FR-0782KL and RC2012F823CS meet all electrical specifications but lack AEC-Q200 automotive rating. These are suitable only for non-automotive applications or where automotive qualification is not a design requirement.
Higher Power Rating Alternatives (Conditional Substitution)
CRCW080582K0FKEAHP, ERJ-UP6F8202V, and RCS080582K0FKEA feature 0.5W power rating in the same 0805 package. These parts are electrically and mechanically compatible but dissipate four times the power of the primary part. Selection of these alternatives is conditional on circuit design verification that higher power dissipation does not introduce thermal management issues or alter circuit performance characteristics.
Frequently Asked Questions (FAQ)
Q: Can I use RC0805FR-0782KL as a direct replacement for AF0805FR-0782KL?
A: RC0805FR-0782KL matches all electrical specifications (82 kOhms, ±1%, 0.125W, 0805 package) and environmental parameters. However, it lacks AEC-Q200 automotive qualification. Use this part only if your application does not require automotive-grade components.
Q: What is the difference between the 0.125W and 0.5W versions?
A: The 0.5W versions (CRCW080582K0FKEAHP, ERJ-UP6F8202V, RCS080582K0FKEA) can dissipate four times more power in the same physical package. These are suitable only when circuit analysis confirms that higher power dissipation capability is needed or beneficial. Standard 0.125W versions are appropriate for most applications.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts meet ROHS3 compliance requirements and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the primary part's environmental compliance profile.
Q: Which substitute offers the best supply availability?
A: ERJ-6ENF8202V from Panasonic Electronic Components has the highest inventory level at 188,663 units, followed by RC0805FR-0782KL at 70,577 units. Both are direct electrical equivalents suitable for immediate substitution.
Q: Can I mix different manufacturers in the same design?
A: Yes. All listed substitutes meet identical electrical, mechanical, and environmental specifications. PCB assembly processes accommodate parts from different manufacturers within the same package type without modification.
Q: What is the temperature coefficient significance?
A: All parts share ±100ppm/°C temperature coefficient and -55°C ~ 155°C operating range. This ensures consistent resistance stability across the full operating temperature spectrum for automotive and industrial applications.
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