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ACPP0805 12K B Equivalent & Substitute Parts
Part Overview
The ACPP0805 12K B is a 12 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 -55°C to 155°C. The part is ROHS3 compliant with MSL 1 rating and is currently in active production status. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct circuit board replacement capability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 12 kOhms |
| Tolerance | ±0.1% |
| Power Rating | 0.1W (1/10W) |
| Composition | Thin Film |
| Temperature Coefficient | ±25ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Package / Case | 0805 (2012 Metric) |
| Size / Dimension | 0.079" L x 0.049" W (2.00mm x 1.25mm) |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the ACPP0805 12K B are grouped based on the following substitution criteria:
Direct Equivalents maintain identical electrical and mechanical specifications: 12 kOhms resistance, ±0.1% tolerance, thin film composition, ±25ppm/°C temperature coefficient, -55°C to 155°C operating range, 0805 package, and 2-termination configuration.
Upgrade Substitutes exceed the original power rating (0.1W) while maintaining all other core electrical parameters. These parts provide enhanced thermal performance and are suitable for applications requiring higher power dissipation margins. Upgrade substitutes include automotive-qualified variants (AEC-Q200) and enhanced feature sets such as anti-sulfur protection and moisture resistance.
The following key parameters determine substitution eligibility:
- Resistance value: 12 kOhms (fixed)
- Tolerance: ±0.1% (fixed)
- Package: 0805 (2012 Metric) (fixed)
- Temperature coefficient: ±25ppm/°C (fixed)
- Operating temperature range: minimum -55°C to 155°C (fixed)
- Composition: Thin film (fixed)
- Power rating: 0.1W minimum (upgrades permitted)
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (Watts) | Temp Coeff | Operating Temp | Package | Height (Max) | Features | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|
| ACPP0805 12K B | Ohmite | 12 kOhms | ±0.1% | 0.1W | ±25ppm/°C | -55°C ~ 155°C | 0805 | 0.026" (0.65mm) | — | ROHS3 |
| CPF0805B12KE1 | TE Connectivity | 12 kOhms | ±0.1% | 0.1W | ±25ppm/°C | -55°C ~ 155°C | 0805 | 0.026" (0.65mm) | — | ROHS3 |
| ERA-6AEB123V | Panasonic | 12 kOhms | ±0.1% | 0.125W | ±25ppm/°C | -55°C ~ 155°C | 0805 | 0.024" (0.60mm) | Automotive AEC-Q200 | ROHS3 |
| RG2012P-123-B-T5 | Susumu | 12 kOhms | ±0.1% | 0.125W | ±25ppm/°C | -55°C ~ 155°C | 0805 | 0.020" (0.50mm) | Anti-Sulfur, Automotive AEC-Q200 | ROHS3 |
| RNCF0805BTE12K0 | Stackpole Electronics | 12 kOhms | ±0.1% | 0.25W | ±25ppm/°C | -55°C ~ 155°C | 0805 | 0.026" (0.65mm) | Automotive AEC-Q200 | ROHS3 |
| RT0805BRD0712KL | YAGEO | 12 kOhms | ±0.1% | 0.125W | ±25ppm/°C | -55°C ~ 155°C | 0805 | 0.024" (0.60mm) | — | ROHS3 |
| TNPW080512K0BEEA | Vishay Dale | 12 kOhms | ±0.1% | 0.26W | ±25ppm/°C | -55°C ~ 175°C | 0805 | 0.022" (0.55mm) | Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant | ROHS3 |
| TNPW080512K0BEEN | Vishay Dale | 12 kOhms | ±0.1% | 0.26W | ±25ppm/°C | -55°C ~ 175°C | 0805 | 0.022" (0.55mm) | Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant | ROHS3 |
Engineering Selection Recommendations
Direct Equivalent Selection: CPF0805B12KE1 (TE Connectivity) provides identical electrical and mechanical specifications to the ACPP0805 12K B with equivalent power rating and package dimensions. This part is suitable for direct replacement in applications where the original specification is maintained.
Upgrade Selection for Standard Applications: RT0805BRD0712KL (YAGEO) and ERA-6AEB123V (Panasonic) offer increased power rating (0.125W) while maintaining all core electrical parameters. These parts are appropriate for applications requiring improved thermal margin without design modification.
Upgrade Selection for Automotive Applications: RG2012P-123-B-T5 (Susumu), RNCF0805BTE12K0 (Stackpole Electronics), TNPW080512K0BEEA, and TNPW080512K0BEEN (Vishay Dale) are AEC-Q200 qualified automotive-grade components. These parts provide enhanced reliability certifications and feature sets including anti-sulfur protection and moisture resistance. TNPW series components extend the operating temperature range to 175°C and offer the highest power rating (0.26W).
All substitute parts maintain ROHS3 compliance and MSL 1 rating. Selection should be based on application requirements for automotive qualification, environmental protection features, and thermal performance margins.
Frequently Asked Questions (FAQ)
Q: Can CPF0805B12KE1 be used as a direct replacement for ACPP0805 12K B?
A: Yes. CPF0805B12KE1 maintains identical resistance (12 kOhms), tolerance (±0.1%), power rating (0.1W), temperature coefficient (±25ppm/°C), operating range (-55°C to 155°C), and 0805 package dimensions. This part is a direct equivalent.
Q: What is the difference between the main part and upgrade substitutes?
A: Upgrade substitutes exceed the original 0.1W power rating while maintaining all electrical specifications. ERA-6AEB123V and RT0805BRD0712KL provide 0.125W rating; RG2012P-123-B-T5 and RNCF0805BTE12K0 provide 0.125W and 0.25W respectively; TNPW series provides 0.26W. Higher power ratings allow greater thermal headroom in circuit operation.
Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications?
A: Yes. AEC-Q200 qualified parts meet automotive reliability standards and are fully compatible with non-automotive applications. These parts provide enhanced quality assurance and environmental protection features.
Q: What is the significance of anti-sulfur and moisture-resistant features?
A: Anti-sulfur protection prevents degradation from sulfur-containing environments. Moisture-resistant construction enhances reliability in high-humidity conditions. These features are included in TNPW series and RG2012P-123-B-T5 variants.
Q: Can TNPW080512K0BEEA be used in applications with operating temperatures above 155°C?
A: TNPW080512K0BEEA extends the operating temperature range to 175°C, making it suitable for high-temperature applications where the original ACPP0805 12K B specification (-55°C to 155°C) is insufficient.
Q: Are all substitute parts available in the same packaging format?
A: All substitute parts use the 0805 (2012 Metric) package with 2 terminations. Packaging options vary between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel formats, but the component footprint and land pattern remain identical for PCB compatibility.
Q: What is MSL 1 rating and why is it important?
A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture baking requirements. All listed parts maintain MSL 1 rating, ensuring consistent handling and storage procedures.
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