08055A0R5CAT2M Equivalent & Substitute Parts

Part Overview

The 08055A0R5CAT2M is a 0.5 pF ceramic capacitor manufactured by KYOCERA AVX, rated at 50V with C0G/NP0 temperature coefficient in 0805 (2012 Metric) surface mount package. This component is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and operating parameters.

Key Parameters

Parameter	Value
Capacitance	0.5 pF
Tolerance	±0.25pF
Voltage Rating	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

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

Capacitance value: 0.5 pF (exact match required)
Tolerance: ±0.25pF or tighter (±0.1pF acceptable as upgrade)
Voltage rating: 50V minimum (100V acceptable as upgrade)
Temperature coefficient: C0G/NP0 (required for stability)
Package: 0805 (2012 Metric) surface mount (exact match required)
Operating temperature: -55°C ~ 125°C (minimum requirement)
RoHS compliance: ROHS3 Compliant (required)
Moisture sensitivity: MSL 1 (required)

Substitute parts are categorized as follows:

Parametric Equivalent: Identical electrical and mechanical specifications to the main part.

Direct Equivalent: Same capacitance, tolerance, voltage, and package with different manufacturer.

Upgrade: Enhanced specifications (tighter tolerance or higher voltage rating) while maintaining all other parameters.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	RoHS Status	MSL	Inventory
08055A0R5CAT2M	KYOCERA AVX	0.5 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	1	1030 Pcs
KGM21BCG1H0R5CT	KYOCERA AVX	0.5 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	1	8214 Pcs
KGM21BCG2A0R5CT	KYOCERA AVX	0.5 pF	±0.25pF	100V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	1	19977 Pcs
C0805C508C5GAC7800	KEMET	0.5 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant	1	3277 Pcs
CC0805CRNPO9BNR50	YAGEO	0.5 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.024" (0.60mm)	ROHS3 Compliant	1	15955 Pcs
CC0805BRNPO9BNR50	YAGEO	0.5 pF	±0.1pF	50V	C0G, NP0	0805 (2012 Metric)	0.028" (0.70mm)	ROHS3 Compliant	1	9314 Pcs
MC05CTN5000R5	Viking Tech	0.5 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.030" (0.75mm)	ROHS3 Compliant	1	4733 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, meeting regulatory requirements for current applications.

KGM21BCG1H0R5CT (KYOCERA AVX): Parametric equivalent from the same manufacturer with identical electrical and mechanical specifications. Recommended for direct replacement with highest compatibility assurance.

C0805C508C5GAC7800 (KEMET): Direct equivalent with identical capacitance, tolerance, and voltage rating. Thickness is 0.035" (0.88mm), slightly lower than the main part. Suitable for space-constrained applications.

CC0805CRNPO9BNR50 (YAGEO): Direct equivalent with lowest profile thickness at 0.024" (0.60mm). Maintains all electrical specifications. Optimal for high-density PCB layouts.

CC0805BRNPO9BNR50 (YAGEO): Upgrade option with tighter tolerance of ±0.1pF, providing enhanced precision. Thickness is 0.028" (0.70mm). Suitable for applications requiring improved capacitance stability.

MC05CTN5000R5 (Viking Tech): Direct equivalent with thickness of 0.030" (0.75mm). Maintains all electrical and mechanical requirements.

KGM21BCG2A0R5CT (KYOCERA AVX): Upgrade option with 100V voltage rating while maintaining 0.5 pF capacitance and ±0.25pF tolerance. Recommended for applications requiring higher voltage margin or future design flexibility.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 08055A0R5CAT2M with a higher voltage rated part?

A: Yes. KGM21BCG2A0R5CT (100V rating) is a direct upgrade substitute. Higher voltage rating does not affect circuit operation at 50V or below and provides additional safety margin.

Q: Are there thickness differences between substitute parts?

A: Yes. Thickness varies from 0.024" (0.60mm) to 0.037" (0.94mm). Verify PCB assembly clearance requirements before selection. Lower profile parts (CC0805CRNPO9BNR50 at 0.024") are suitable for space-constrained designs.

Q: Do all substitute parts have the same tolerance?

A: Most substitutes maintain ±0.25pF tolerance. CC0805BRNPO9BNR50 offers tighter ±0.1pF tolerance for applications requiring improved precision.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and MSL 1 rated, meeting current regulatory and environmental requirements.

Q: Can I use these substitutes interchangeably on the same PCB?

A: Yes, provided PCB footprint and assembly clearance accommodate the thickness variation. All parts use identical 0805 (2012 Metric) package footprint and surface mount configuration.

Q: Which substitute offers the best availability?

A: KGM21BCG2A0R5CT (KYOCERA AVX) has the highest inventory at 19977 Pcs, followed by CC0805CRNPO9BNR50 (YAGEO) at 15955 Pcs.

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