08055A331JAT2M Equivalent & Substitute Parts

Part Overview

The 08055A331JAT2M is a 330 pF ±5% 50V ceramic capacitor manufactured by KYOCERA AVX with C0G/NP0 temperature coefficient in 0805 (2012 Metric) surface mount package. This part is Active status and suitable for general purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and compliance certifications are maintained while offering improved tolerance, higher voltage ratings, or alternative packaging options.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±5%
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 the following criteria:

Mandatory Parameters (Must Match):

Capacitance: 330 pF
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount, MLCC
Operating Temperature Range: -55°C ~ 125°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowed Variation Parameters:

Tolerance: ±1%, ±2%, or ±5% (tighter tolerance acceptable)
Voltage Rating: 50V or higher (higher voltage acceptable)
Temperature Coefficient: C0G/NP0 or X7R (alternative dielectric acceptable)
Thickness: Within mechanical envelope constraints
Manufacturer: Different manufacturers acceptable if specifications met

Substitute Categories:

Parametric Equivalent – Identical electrical specifications, same manufacturer, different packaging or series designation
Upgrade – Improved tolerance or higher voltage rating, same manufacturer
MFR Recommended – Manufacturer-recommended alternative with different temperature coefficient
Direct Equivalent – Different manufacturer, identical electrical specifications

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Product Status	Packaging Type
08055A331JAT2M	KYOCERA AVX	330 pF	±5%	50V	C0G, NP0	0805	0.037"	Active	-
KGM21BCG1H331FT	KYOCERA AVX	330 pF	±1%	50V	C0G, NP0	0805	0.037"	Active	Tape & Reel
KGM21BCG2A331FT	KYOCERA AVX	330 pF	±1%	100V	C0G, NP0	0805	0.037"	Active	Cut Tape & Digi-Reel
KGM21BCG2A331GT	KYOCERA AVX	330 pF	±2%	100V	C0G, NP0	0805	0.037"	Active	Tape & Reel
KGM21BCG2A331JT	KYOCERA AVX	330 pF	±5%	100V	C0G, NP0	0805	0.037"	Active	Tape & Reel
KGM21NR71H331JT	KYOCERA AVX	330 pF	±5%	50V	X7R	0805	0.039"	Active	Tape & Reel
KGM21BCG1H331JT	KYOCERA AVX	330 pF	±5%	50V	C0G, NP0	0805	0.037"	Active	Tape & Reel
C0805C331J5GAC7800	KEMET	330 pF	±5%	50V	C0G, NP0	0805	0.035"	Active	Tape & Reel
CC0805JRNPO9BN331	YAGEO	330 pF	±5%	50V	C0G, NP0	0805	0.024"	Active	Tape & Reel
GRM2165C1H331JA01D	Murata Electronics	330 pF	±5%	50V	C0G, NP0	0805	0.028"	Not For New Designs	Cut Tape & Digi-Reel
VJ0805A331JXACW1BC	Vishay Vitramon	330 pF	±5%	50V	C0G, NP0	0805	0.030"	Active	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications): Select KGM21BCG1H331JT (KYOCERA AVX parametric equivalent) when maintaining identical 50V, ±5%, C0G/NP0 specifications. This part is Active status with full compliance certifications and higher inventory availability (32,656 pcs).

For Improved Tolerance: KGM21BCG1H331FT offers ±1% tolerance at 50V with C0G/NP0 temperature coefficient, suitable for applications requiring tighter capacitance control. Remains within same physical envelope and compliance profile.

For Higher Voltage Margin: KGM21BCG2A331JT provides 100V rating with ±5% tolerance and C0G/NP0 coefficient, maintaining identical physical dimensions and compliance. Recommended when circuit design permits higher voltage rating for enhanced reliability margin.

For Alternative Dielectric: KGM21NR71H331JT (X7R temperature coefficient) is manufacturer-recommended when X7R characteristics are acceptable. X7R provides wider capacitance tolerance across temperature range compared to C0G/NP0, with slightly increased thickness (0.039" vs 0.037").

For Cross-Manufacturer Equivalents: C0805C331J5GAC7800 (KEMET), CC0805JRNPO9BN331 (YAGEO), and VJ0805A331JXACW1BC (Vishay Vitramon) are direct electrical equivalents with Active product status and ROHS3 compliance. All maintain 0805 package and -55°C to 125°C operating range.

Not Recommended for New Designs: GRM2165C1H331JA01D (Murata Electronics) carries "Not For New Designs" status and should be avoided in new circuit development despite electrical equivalence.

Frequently Asked Questions (FAQ)

Q: Can I substitute 08055A331JAT2M with KGM21BCG2A331JT? A: Yes. Both parts share identical 330 pF capacitance, ±5% tolerance, C0G/NP0 temperature coefficient, and 0805 package. KGM21BCG2A331JT provides higher 100V rating, which is acceptable for 50V circuit applications. Physical dimensions remain compatible.

Q: What is the difference between C0G and X7R temperature coefficients? A: C0G/NP0 maintains stable capacitance across -55°C to 125°C temperature range with minimal variation. X7R allows greater capacitance variation across temperature but provides broader operating characteristics. Selection depends on circuit tolerance requirements.

Q: Are KEMET, YAGEO, and Vishay Vitramon parts interchangeable with KYOCERA AVX? A: Yes, for applications where manufacturer source is not specified. C0805C331J5GAC7800 (KEMET), CC0805JRNPO9BN331 (YAGEO), and VJ0805A331JXACW1BC (Vishay Vitramon) are electrically and mechanically equivalent with identical 330 pF, ±5%, 50V, C0G/NP0 specifications and 0805 package.

Q: Does improved tolerance (±1%) require circuit redesign? A: No. Tighter tolerance (±1%) is a direct upgrade requiring no circuit modifications. KGM21BCG1H331FT provides improved tolerance specification while maintaining all other parameters identical to the original part.

Q: What packaging options are available? A: Tape & Reel (TR) is standard for production quantities. Cut Tape (CT) & Digi-Reel® options are available for specific substitute parts. Verify packaging compatibility with assembly equipment before selection.

Q: Is the original part 08055A331JAT2M still in production? A: Yes, the part maintains Active product status with 1,041 pcs in stock. However, KGM21BCG1H331JT (parametric equivalent) offers higher inventory (32,656 pcs) and identical specifications with Tape & Reel packaging.

Q: Can I use a higher voltage rated part in a 50V circuit? A: Yes. Higher voltage rating (100V) is acceptable in 50V circuits and provides additional safety margin. Physical dimensions remain within 0805 package constraints. Verify PCB layout compatibility with actual component thickness.

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