ACPP0805 300R B Equivalent & Substitute Parts

Part Overview

The ACPP0805 300R B is a 300 Ohm ±0.1% thin film chip resistor in 0805 (2012 Metric) package manufactured by Ohmite. This component is rated for 0.1W (1/10W) power dissipation with a temperature coefficient of ±25ppm/°C and operates across -55°C to 155°C. The part is Active status and ROHS3 compliant with MSL 1 (Unlimited moisture sensitivity level). Substitute parts are necessary when primary inventory is unavailable, when design requirements call for enhanced specifications such as automotive qualification or higher power ratings, or when alternative manufacturers offer equivalent electrical and mechanical characteristics.

Key Parameters

Parameter	Value
Resistance	300 Ohms
Tolerance	±0.1%
Power Rating	0.1W (1/10W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following electrical and mechanical parameters:

Core Substitution Criteria (Must Match):

Resistance value: 300 Ohms
Tolerance: ±0.1%
Package / Case: 0805 (2012 Metric)
Composition: Thin Film
Temperature Coefficient: ±25ppm/°C
Operating Temperature Range: -55°C ~ 155°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation:

Power rating may be equal to or greater than 0.1W (1/10W)
Physical dimensions may vary within supplier specifications for the 0805 package
Additional features such as automotive AEC-Q200 qualification or anti-sulfur properties do not disqualify a part from substitution

All substitute parts listed meet or exceed the core electrical specifications of the ACPP0805 300R B.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temperature Coefficient	Operating Temperature	Package	RoHS Status	MSL	Inventory (Pcs)
ACPP0805 300R B	Ohmite	300 Ohms	±0.1%	0.1W	±25ppm/°C	-55°C ~ 155°C	0805	ROHS3	1	835
CPF0805B300RE1	TE Connectivity Passive Product	300 Ohms	±0.1%	0.1W	±25ppm/°C	-55°C ~ 155°C	0805	ROHS3	1	3182
RT0805BRD07300RL	YAGEO	300 Ohms	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	ROHS3	1	22375
ERA-6AEB301V	Panasonic Electronic Components	300 Ohms	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	ROHS3	1	7450
RG2012P-301-B-T5	Susumu	300 Ohms	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	ROHS3	1	29797
RNCF0805BTE300R	Stackpole Electronics Inc	300 Ohms	±0.1%	0.25W	±25ppm/°C	-55°C ~ 155°C	0805	ROHS3	1	11085

Engineering Selection Recommendations

All listed substitute parts are Active status and ROHS3 compliant, meeting the compliance requirements of the ACPP0805 300R B. Selection among substitutes should be based on the following factors:

Direct Equivalents (Identical Specifications): CPF0805B300RE1 from TE Connectivity Passive Product provides identical electrical and power specifications to the ACPP0805 300R B with higher inventory availability (3182 units).

Enhanced Power Rating Substitutes: RT0805BRD07300RL (YAGEO), ERA-6AEB301V (Panasonic), and RG2012P-301-B-T5 (Susumu) provide 0.125W power rating, exceeding the 0.1W requirement. RNCF0805BTE300R (Stackpole) provides 0.25W power rating. These options are suitable for applications requiring additional thermal margin.

Automotive-Qualified Options: ERA-6AEB301V (Panasonic) and RG2012P-301-B-T5 (Susumu) carry AEC-Q200 automotive qualification. RG2012P-301-B-T5 additionally includes anti-sulfur properties. RNCF0805BTE300R also carries AEC-Q200 qualification.

Inventory Considerations: RG2012P-301-B-T5 offers the highest inventory level (29797 units), followed by RT0805BRD07300RL (22375 units).

Frequently Asked Questions (FAQ)

Q: Can CPF0805B300RE1 be used as a direct replacement for ACPP0805 300R B? A: Yes. CPF0805B300RE1 matches all core electrical and mechanical specifications including 300 Ohm resistance, ±0.1% tolerance, 0.1W power rating, 0805 package, ±25ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both are ROHS3 compliant with MSL 1.

Q: What is the difference between the 0.1W and 0.125W power-rated substitutes? A: The ACPP0805 300R B is rated for 0.1W dissipation. Substitute parts rated for 0.125W or 0.25W provide higher power handling capability within the same 0805 package footprint. These are suitable for applications where additional thermal margin is beneficial, with no electrical performance penalty.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications? A: Yes. AEC-Q200 qualification indicates enhanced reliability testing and quality standards. Parts meeting automotive standards are fully compatible with general industrial and commercial applications.

Q: Does the anti-sulfur feature of RG2012P-301-B-T5 affect general-purpose use? A: No. Anti-sulfur properties provide additional environmental protection in corrosive atmospheres. This feature does not impact electrical performance or compatibility in standard operating environments.

Q: Are all substitute parts available in Tape & Reel (TR) packaging? A: Yes. All listed substitute parts are supplied in Tape & Reel packaging, matching the ACPP0805 300R B packaging format.

Q: What is the significance of MSL 1 (Unlimited) moisture sensitivity? A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts, including the ACPP0805 300R B and all substitutes, carry MSL 1 rating, eliminating moisture-related handling constraints.

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