08055A3R3CAT2M Equivalent & Substitute Parts

Part Overview

The 08055A3R3CAT2M is a 3.3 pF ceramic capacitor manufactured by KYOCERA AVX, rated at 50V with C0G/NP0 temperature coefficient in 0805 (2012 Metric) surface mount package. This part is Active status and ROHS3 compliant. Substitute parts are identified based on matching capacitance, tolerance, temperature coefficient, package, and mounting type, with allowable variations in voltage rating and specific manufacturer implementations.

Key Parameters

Parameter	Value
Capacitance	3.3 pF
Tolerance	±0.25pF
Voltage - Rated	50V
Temperature Coefficient	C0G, NP0
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount, MLCC
Package / Case	0805 (2012 Metric)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 08055A3R3CAT2M are grouped based on the following substitution criteria:

Core Matching Parameters (Required for all substitutes):

Capacitance: 3.3 pF
Tolerance: ±0.25pF or tighter (±0.1pF acceptable)
Temperature Coefficient: C0G/NP0
Mounting Type: Surface Mount, MLCC
Package: 0805 (2012 Metric)
Operating Temperature Range: -55°C ~ 125°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation:

Voltage Rating: 50V or higher (100V rated parts are upgrades and remain functionally compatible in 50V applications)

Substitute Categories:

Parametric Equivalent: KGM21BCG1H3R3CT (KYOCERA AVX) — Identical electrical specifications and voltage rating to the main part, alternative series designation.

Direct Equivalents: C0805C339C5GAC7800 (KEMET) and CC0805CRNPO9BN3R3 (YAGEO) — Different manufacturers with matching core parameters and 50V rating.

Upgrade Substitutes: KGM21BCG2A3R3CT (KYOCERA AVX), C0805C339C1GAC7800 (KEMET), and CC0805BRNPO9BN3R3 (YAGEO) — Higher voltage rating (100V) with tighter or equivalent tolerance, suitable for applications requiring higher voltage margin.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage - Rated	Temperature Coefficient	Package / Case	Thickness (Max)	RoHS Status	Inventory
08055A3R3CAT2M	KYOCERA AVX	3.3 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	1037 Pcs
KGM21BCG1H3R3CT	KYOCERA AVX	3.3 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	9763 Pcs
C0805C339C5GAC7800	KEMET	3.3 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant	10259 Pcs
CC0805CRNPO9BN3R3	YAGEO	3.3 pF	±0.25pF	50V	C0G, NP0	0805 (2012 Metric)	0.028" (0.70mm)	ROHS3 Compliant	11819 Pcs
KGM21BCG2A3R3CT	KYOCERA AVX	3.3 pF	±0.25pF	100V	C0G, NP0	0805 (2012 Metric)	0.037" (0.94mm)	ROHS3 Compliant	2230 Pcs
C0805C339C1GAC7800	KEMET	3.3 pF	±0.25pF	100V	C0G, NP0	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant	4795 Pcs
CC0805BRNPO9BN3R3	YAGEO	3.3 pF	±0.1pF	50V	C0G, NP0	0805 (2012 Metric)	0.028" (0.70mm)	ROHS3 Compliant	39327 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment with the original 08055A3R3CAT2M.

For direct replacement with identical specifications: Select KGM21BCG1H3R3CT (KYOCERA AVX), C0805C339C5GAC7800 (KEMET), or CC0805CRNPO9BN3R3 (YAGEO). These parts match the 50V rating and all core electrical parameters.

For applications requiring higher voltage margin: Select KGM21BCG2A3R3CT (KYOCERA AVX), C0805C339C1GAC7800 (KEMET), or CC0805BRNPO9BN3R3 (YAGEO). The 100V rating provides additional safety margin while maintaining identical capacitance and tolerance specifications.

For tighter tolerance requirement: CC0805BRNPO9BN3R3 (YAGEO) offers ±0.1pF tolerance, superior to the ±0.25pF specification of the main part.

For space-constrained designs: CC0805CRNPO9BN3R3 (YAGEO) and C0805C339C5GAC7800 (KEMET) feature reduced thickness (0.028" and 0.035" respectively) compared to the main part (0.037").

Frequently Asked Questions (FAQ)

Q: Can I use a 100V rated capacitor in place of a 50V rated capacitor? A: Yes. A higher voltage rating indicates greater electrical stress capability. The 100V rated substitutes (KGM21BCG2A3R3CT, C0805C339C1GAC7800, CC0805BRNPO9BN3R3) are fully compatible in applications designed for 50V operation and provide additional voltage margin.

Q: Are there differences in physical dimensions between substitute parts? A: All parts share the 0805 (2012 Metric) package footprint. Thickness varies slightly: the main part and KGM21BCG2A3R3CT measure 0.037" (0.94mm), while KEMET and YAGEO 50V parts measure 0.035" (0.88mm) and 0.028" (0.70mm) respectively. These variations remain within standard PCB assembly tolerances.

Q: What is the difference between C0G and NP0 designations? A: C0G and NP0 are equivalent temperature coefficient classifications used by different manufacturers. Both indicate negligible capacitance change across the -55°C to 125°C operating range. All listed parts use this specification.

Q: Can I substitute parts from different manufacturers? A: Yes. KEMET (C0805C339C5GAC7800, C0805C339C1GAC7800) and YAGEO (CC0805CRNPO9BN3R3, CC0805BRNPO9BN3R3) parts meet identical electrical and mechanical specifications. Manufacturer selection may depend on supply chain, inventory availability, or procurement agreements.

Q: Does tolerance affect substitutability? A: The main part specifies ±0.25pF tolerance. Substitutes with ±0.25pF or tighter tolerance (such as CC0805BRNPO9BN3R3 at ±0.1pF) are fully compatible. Tighter tolerance provides improved circuit performance in precision applications.

Q: Are all parts ROHS3 compliant? A: Yes. All listed parts carry ROHS3 Compliant status and Moisture Sensitivity Level 1 (Unlimited), ensuring regulatory compliance and simplified handling requirements.

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