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AF1210FR-0782K5L Equivalent & Substitute Parts
Part Overview
The AF1210FR-0782K5L is a 82.5 kOhms ±1% 0.5W thick film chip resistor manufactured by YAGEO in the 1210 (3225 Metric) package. This component is rated for automotive applications under AEC-Q200 and features anti-sulfur construction for enhanced reliability in harsh environments. The part is currently in active production status with 931 pieces available in stock.
Substitute parts become necessary when the primary manufacturer part is unavailable, when supply chain constraints require alternative sourcing, or when design flexibility permits equivalent components from qualified manufacturers. The AF1210FR-0782K5L has one qualified substitute: the ERJ-14NF8252U from Panasonic Electronic Components.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 82.5 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.5W (1/2W) |
| Package / Case | 1210 (3225 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the AF1210FR-0782K5L is determined by strict equivalence across the following critical parameters:
- Resistance value: 82.5 kOhms
- Tolerance: ±1%
- Power rating: 0.5W (1/2W)
- Package: 1210 (3225 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
- Automotive qualification: AEC-Q200
- RoHS compliance: ROHS3 Compliant
The ERJ-14NF8252U from Panasonic meets all these criteria and is therefore a direct functional equivalent. Minor dimensional variations exist (see Parameter Comparison table), but these do not affect electrical performance or PCB assembly compatibility within standard 1210 footprint tolerances.
Parameter Comparison
| Parameter | AF1210FR-0782K5L (YAGEO) | ERJ-14NF8252U (Panasonic) |
|---|---|---|
| Resistance | 82.5 kOhms | 82.5 kOhms |
| Tolerance | ±1% | ±1% |
| Power Rating | 0.5W | 0.5W |
| Package / Case | 1210 (3225 Metric) | 1210 (3225 Metric) |
| Composition | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C |
| AEC-Q200 Rating | Yes | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| Length | 0.122" (3.10mm) | 0.126" (3.20mm) |
| Width | 0.102" (2.60mm) | 0.098" (2.50mm) |
| Height - Seated (Max) | 0.024" (0.60mm) | 0.028" (0.70mm) |
Engineering Selection Recommendations
The AF1210FR-0782K5L is the primary choice for new designs, as it maintains active production status and is currently in stock with 931 units available. This part is recommended for all automotive applications requiring AEC-Q200 qualification and anti-sulfur construction.
The ERJ-14NF8252U from Panasonic is classified as "Not For New Designs" and should be used only when the primary part is unavailable or when existing designs require component substitution. Despite this status, the ERJ-14NF8252U is electrically and mechanically equivalent and maintains full AEC-Q200 compliance. The substitute part has higher inventory availability (2117 units in stock) and may be considered for legacy design support or supply chain continuity.
Both parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for automotive applications.
Frequently Asked Questions (FAQ)
Q: Can the ERJ-14NF8252U be used as a direct replacement for the AF1210FR-0782K5L?
A: Yes. Both parts are electrically identical with matching resistance, tolerance, power rating, temperature coefficient, and operating temperature range. Both are AEC-Q200 rated and ROHS3 compliant. Minor dimensional differences (0.004" length variation, 0.004" height variation) fall within standard 1210 package tolerances and do not affect PCB assembly or circuit performance.
Q: What is the significance of the "Not For New Designs" status on the ERJ-14NF8252U?
A: This designation indicates that Panasonic is not actively promoting this part for new product development. However, it remains a qualified substitute for existing designs and is available for purchase. New designs should prioritize the AF1210FR-0782K5L, which maintains active production status.
Q: Are there any thermal or electrical performance differences between these parts?
A: No. Both parts share identical electrical specifications: 82.5 kOhms ±1%, 0.5W power rating, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. Thermal performance is equivalent.
Q: Do both parts meet automotive qualification requirements?
A: Yes. Both the AF1210FR-0782K5L and ERJ-14NF8252U are AEC-Q200 rated, meeting automotive reliability and qualification standards.
Q: What packaging formats are available for these parts?
A: Both parts are supplied in Tape & Reel (TR) format, suitable for automated assembly processes.
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