AF0805JR-0712ML Equivalent & Substitute Parts

Part Overview

The AF0805JR-0712ML is a 12 MOhms ±5% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This component features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently active in production with 927 units in stock.

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits cross-manufacturer sourcing while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Specification
Resistance Value	12 MOhms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the AF0805JR-0712ML is determined by strict equivalence in the following parameters:

Resistance value: 12 MOhms
Tolerance: ±5%
Power rating: 0.125W (1/8W)
Package: 0805 (2012 Metric)
Composition: Thick Film
Temperature coefficient: ±200ppm/°C
Operating temperature range: -55°C ~ 155°C
RoHS compliance: ROHS3 Compliant
Moisture sensitivity level: 1 (Unlimited)

All identified substitute parts meet these core electrical and mechanical requirements. Variations in secondary features (such as anti-sulfur versus moisture-resistant coatings, or specific automotive certifications) do not preclude substitution when the primary parameters align.

Parameter Comparison

Parameter	AF0805JR-0712ML (YAGEO)	RC0805JR-0712ML (YAGEO)	RMCF0805JT12M0 (Stackpole)
Resistance	12 MOhms	12 MOhms	12 MOhms
Tolerance	±5%	±5%	±5%
Power (Watts)	0.125W	0.125W	0.125W
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±200ppm/°C	±200ppm/°C	±200ppm/°C
Operating Temperature	-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)	0.024" (0.60mm)	0.026" (0.65mm)
Number of Terminations	2	2	2
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

RC0805JR-0712ML (YAGEO): This substitute maintains full electrical equivalence with the primary part. Both are YAGEO products within the same manufacturing ecosystem, ensuring consistent quality and process control. The RC series features moisture-resistant coating compared to the anti-sulfur coating of the AF series. Both parts carry ROHS3 compliance and unlimited moisture sensitivity rating. This option provides the highest supply availability with 6,439 units in stock.

RMCF0805JT12M0 (Stackpole Electronics Inc): This substitute is electrically equivalent and carries automotive AEC-Q200 certification matching the primary part's automotive qualification. Stackpole RMCF series components meet the same electrical specifications and environmental requirements. The maximum seated height is 0.026" (0.65mm) compared to 0.024" (0.60mm) for the primary part, representing a 0.05mm difference within typical PCB assembly tolerances. This option provides 14,754 units in stock.

Both substitutes are active production parts with ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the primary component.

Frequently Asked Questions (FAQ)

Q: Can RC0805JR-0712ML replace AF0805JR-0712ML in automotive applications?

A: Yes. Both parts meet the same electrical specifications (12 MOhms ±5%, 0.125W, ±200ppm/°C) and operate across -55°C to 155°C. The RC series uses moisture-resistant coating versus anti-sulfur coating in the AF series. For applications requiring specific anti-sulfur properties, verify coating requirements with your design documentation.

Q: Is the height difference between AF0805JR-0712ML and RMCF0805JT12M0 significant?

A: The seated height difference is 0.002" (0.05mm), with RMCF0805JT12M0 at 0.026" maximum versus 0.024" for AF0805JR-0712ML. This falls within standard PCB assembly tolerances and does not affect electrical performance or typical board-level clearance requirements.

Q: Do all three parts carry the same certifications?

A: AF0805JR-0712ML and RMCF0805JT12M0 both carry AEC-Q200 automotive qualification. RC0805JR-0712ML does not list AEC-Q200 in the provided specifications. All three are ROHS3 compliant and REACH unaffected.

Q: Are these parts interchangeable in PCB assembly?

A: Yes. All three parts use identical 0805 (2012 Metric) package footprints with 2 terminations. PCB layouts and pick-and-place programming require no modification for substitution.

Q: What is the difference between anti-sulfur and moisture-resistant coatings?

A: Anti-sulfur coating protects against sulfur-containing atmospheric contaminants common in industrial environments. Moisture-resistant coating provides protection against humidity and moisture ingress. Selection depends on the specific environmental exposure of your application.

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