ACPP0805 3K9 B Equivalent & Substitute Parts

Part Overview

The ACPP0805 3K9 B is a 3.9 kOhms ±0.1% thin film chip resistor manufactured by Ohmite in the 0805 (2012 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation with a temperature coefficient of ±25ppm/°C and operates across the -55°C to 155°C temperature range. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and is currently in active production status with 1081 pieces in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when supply chain constraints require alternative sourcing, or when design requirements call for enhanced specifications such as higher power ratings or automotive-grade certifications.

Substiute Parts

ACPP0805 3K9 B

OhmiteIn Stock: 1107ACPP0805 3K9 B Datasheet

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CPF0805B3K9E1

TE Connectivity Passive ProductIn Stock: 2824CPF0805B3K9E1 Datasheet

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ERA-6AEB392V

Panasonic Electronic ComponentsIn Stock: 19191ERA-6AEB392V Datasheet

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RG2012P-392-B-T5

SusumuIn Stock: 11788RG2012P-392-B-T5 Datasheet

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RNCF0805BTE3K90

Stackpole Electronics IncIn Stock: 11092RNCF0805BTE3K90 Datasheet

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RT0805BRD073K9L

YAGEOIn Stock: 21667RT0805BRD073K9L Datasheet

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TNPW08053K90BEEA

Vishay DaleIn Stock: 6100TNPW08053K90BEEA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ACPP0805 3K9 B is determined by strict adherence to the following core parameters:

Critical Parameters (Must Match):

• Resistance value: 3.9 kOhms
• Tolerance: ±0.1%
• Package / Case: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Number of Terminations: 2

Allowable Variation Parameters:

• Power Rating: Equal to or greater than 0.1W
• Operating Temperature Range: Must encompass or exceed -55°C ~ 155°C
• Packaging format: Tape & Reel (TR) or Cut Tape (CT)
• Manufacturer: Different manufacturers permitted
• Additional Features: Automotive AEC-Q200 certification, Anti-Sulfur coating, and Moisture Resistant properties are allowable enhancements

All substitute parts listed maintain identical electrical specifications for resistance, tolerance, and temperature coefficient while offering equivalent or superior mechanical and thermal performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain full electrical equivalence to the ACPP0805 3K9 B with identical resistance, tolerance, and temperature coefficient specifications. Selection among these alternatives is based on the following criteria:

Direct Equivalent (Identical Specifications): CPF0805B3K9E1 from TE Connectivity Passive Product provides a direct one-to-one replacement with matching 0.1W power rating and identical operating temperature range. This part is suitable for applications requiring no design modifications.

Enhanced Power Rating Substitutes: ERA-6AEB392V (Panasonic), RG2012P-392-B-T5 (Susumu), RT0805BRD073K9L (YAGEO), and TNPW08053K90BEEA (Vishay Dale) offer increased power dissipation capabilities ranging from 0.125W to 0.26W. These parts are suitable for applications where thermal margin improvement is beneficial.

Automotive-Grade Options: ERA-6AEB392V, RG2012P-392-B-T5, RNCF0805BTE3K90, and TNPW08053K90BEEA carry AEC-Q200 automotive qualification. RG2012P-392-B-T5 and TNPW08053K90BEEA additionally feature Anti-Sulfur coating. TNPW08053K90BEEA extends the upper operating temperature to 175°C and includes Moisture Resistant properties.

All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and maintain the 0805 (2012 Metric) package format for direct PCB compatibility.

Frequently Asked Questions (FAQ)

Q: Can CPF0805B3K9E1 be used as a direct replacement for ACPP0805 3K9 B? A: Yes. CPF0805B3K9E1 maintains identical electrical specifications including 3.9 kOhms resistance, ±0.1% tolerance, 0.1W power rating, and ±25ppm/°C temperature coefficient. The part operates across the same -55°C to 155°C temperature range and uses the same 0805 (2012 Metric) package format.

Q: What is the difference between the standard ACPP0805 3K9 B and the higher power-rated substitutes? A: The primary difference is power dissipation capability. The ACPP0805 3K9 B is rated for 0.1W, while substitutes such as ERA-6AEB392V, RG2012P-392-B-T5, and RT0805BRD073K9L are rated for 0.125W or higher. All maintain identical resistance and tolerance specifications. Higher power ratings provide additional thermal margin in applications with elevated power dissipation requirements.

Q: Are automotive-grade parts suitable for non-automotive applications? A: Yes. Automotive-grade parts such as ERA-6AEB392V, RG2012P-392-B-T5, RNCF0805BTE3K90, and TNPW08053K90BEEA meet or exceed the performance requirements of standard industrial-grade components. These parts are fully compatible with non-automotive applications and offer enhanced reliability through AEC-Q200 qualification.

Q: Does packaging format affect substitution compatibility? A: Packaging format (Tape & Reel or Cut Tape) does not affect electrical or mechanical compatibility. Both formats contain identical components in the 0805 (2012 Metric) package. Selection between Tape & Reel and Cut Tape depends on assembly process requirements and inventory management preferences.

Q: What is the significance of the ±25ppm/°C temperature coefficient? A: The temperature coefficient specifies the fractional change in resistance per degree Celsius. A ±25ppm/°C rating indicates that resistance will vary by a maximum of 25 parts per million for each degree of temperature change. All listed parts maintain this identical specification, ensuring consistent performance across the operating temperature range.

Q: Can TNPW08053K90BEEA be used in applications requiring operation above 155°C? A: TNPW08053K90BEEA extends the upper operating temperature limit to 175°C, making it suitable for high-temperature applications. However, the ACPP0805 3K9 B is specified only to 155°C. Substitution with TNPW08053K90BEEA is appropriate only when the application design permits operation at the higher temperature range.

Q: What does ROHS3 compliance indicate? A: ROHS3 compliance indicates that the component meets the Restriction of Hazardous Substances Directive requirements, restricting the use of specific hazardous materials including lead, cadmium, and mercury. All listed parts maintain ROHS3 compliance, ensuring regulatory conformance for both new designs and legacy system replacements.