KEMET C0805C331M5RAC7800 Equivalent & Substitute Parts

Part Overview

The KEMET C0805C331M5RAC7800 is a 330 pF ceramic capacitor in 0805 (2012 Metric) surface mount package, rated for 50V with X7R temperature coefficient and ±20% tolerance. This component is designed for bypass and decoupling applications in electronic circuits. The part is currently Active in product status with 1079 units in stock. Substitute parts are identified based on identical capacitance value, matching package dimensions, and compatible electrical ratings that satisfy the same circuit requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	C0805C331M5RAC7800
Manufacturer	KEMET
Capacitance	330 pF
Tolerance	±20%
Voltage - Rated	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)
Thickness (Max)	0.035" (0.88mm)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the C0805C331M5RAC7800 are selected based on the following criteria:

Critical Parameters for Substitution:

Capacitance value: 330 pF (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Physical dimensions: 0.079" L x 0.049" W, 0.035" max thickness (exact match required)
Mounting type: Surface Mount, MLCC (exact match required)
Operating temperature range: -55°C ~ 125°C (exact match required)
RoHS compliance: ROHS3 Compliant (maintained across all substitutes)
MSL rating: 1 (Unlimited) (maintained across all substitutes)

Allowable Variations:

Voltage rating: May be equal to or higher than 50V
Tolerance: May be tighter (lower) than ±20%
Temperature coefficient: May differ (X7R or C0G/NP0 acceptable)

All substitute parts maintain identical physical package specifications and are compatible with existing PCB layouts and assembly processes.

Parameter Comparison

Part Number	Capacitance	Tolerance	Voltage Rating	Temp Coefficient	Package	Inventory Status
C0805C331M5RAC7800	330 pF	±20%	50V	X7R	0805	1079 Pcs
C0805C331F1GAC7800	330 pF	±1%	100V	C0G/NP0	0805	4458 Pcs
C0805C331F5GAC7800	330 pF	±1%	50V	C0G/NP0	0805	17557 Pcs
C0805C331G1GAC7800	330 pF	±2%	100V	C0G/NP0	0805	6464 Pcs
C0805C331G5GAC7800	330 pF	±2%	50V	C0G/NP0	0805	5436 Pcs
C0805C331J2GAC7800	330 pF	±5%	200V	C0G/NP0	0805	8300 Pcs
C0805C331J2RAC7800	330 pF	±5%	200V	X7R	0805	4722 Pcs
C0805C331K1GAC7800	330 pF	±10%	100V	C0G/NP0	0805	8707 Pcs
C0805C331K1RAC7800	330 pF	±10%	100V	X7R	0805	11648 Pcs
C0805C331K2GAC7800	330 pF	±10%	200V	C0G/NP0	0805	5213 Pcs
C0805C331K2RAC7800	330 pF	±10%	200V	X7R	0805	9188 Pcs

Engineering Selection Recommendations

Direct Replacement (Same Voltage, Same Tolerance Class):

C0805C331G5GAC7800: 50V rated, ±2% tolerance, C0G/NP0 coefficient. Tighter tolerance with improved temperature stability. Suitable for applications requiring enhanced capacitance accuracy.

Voltage Upgrade Options (Higher Voltage Rating):

C0805C331F5GAC7800: 50V rated, ±1% tolerance, C0G/NP0 coefficient. Highest tolerance precision with superior temperature stability. Recommended for precision bypass and decoupling circuits.
C0805C331K1RAC7800: 100V rated, ±10% tolerance, X7R coefficient. Maintains X7R characteristics with increased voltage margin. Suitable for circuits with potential voltage transients.
C0805C331J2RAC7800: 200V rated, ±5% tolerance, X7R coefficient. Maximum voltage headroom with X7R temperature performance. Applicable to high-voltage bypass applications.

General Purpose Alternatives (C0G/NP0 Coefficient):

C0805C331F1GAC7800: 100V rated, ±1% tolerance, C0G/NP0 coefficient. Optimal for frequency-sensitive and temperature-critical circuits.
C0805C331G1GAC7800: 100V rated, ±2% tolerance, C0G/NP0 coefficient. Balanced tolerance and voltage rating.
C0805C331K2GAC7800: 200V rated, ±10% tolerance, C0G/NP0 coefficient. High voltage with C0G/NP0 stability.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical physical package dimensions. Selection depends on circuit voltage requirements, tolerance specifications, and temperature coefficient performance needs.

Frequently Asked Questions (FAQ)

Q: Can I substitute C0805C331M5RAC7800 with a higher voltage-rated part?

A: Yes. Higher voltage ratings are acceptable substitutes provided all other parameters remain compatible. For example, C0805C331K1RAC7800 (100V) or C0805C331J2RAC7800 (200V) can replace the 50V rated original part. The circuit will operate safely with increased voltage margin.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients?

A: X7R capacitors exhibit ±15% capacitance change across the -55°C to 125°C operating range. C0G/NP0 capacitors maintain ±0.3% capacitance change across the same range. C0G/NP0 is preferred for temperature-sensitive applications; X7R is suitable for general bypass and decoupling where tighter temperature stability is not critical.

Q: Are all substitute parts pin-compatible with the original?

A: Yes. All substitute parts use the identical 0805 (2012 Metric) surface mount package with matching physical dimensions (0.079" L x 0.049" W, 0.035" max thickness). No PCB layout modifications are required.

Q: Can I use a ±1% tolerance part instead of ±20%?

A: Yes. Tighter tolerance specifications are acceptable substitutes. A ±1% part (such as C0805C331F5GAC7800) will provide superior capacitance accuracy compared to the ±20% original specification.

Q: What does MSL 1 (Unlimited) mean?

A: MSL 1 indicates Moisture Sensitivity Level 1, which means the component has unlimited shelf life and requires no special moisture control during storage or handling. All substitute parts maintain this MSL 1 rating.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the environmental compliance status of the original C0805C331M5RAC7800.

Q: Which substitute should I choose for maximum availability?

A: C0805C331F5GAC7800 has the highest inventory level at 17,557 units in stock. This part offers 50V rating (matching the original), ±1% tolerance (tighter than original), and C0G/NP0 temperature coefficient with superior temperature stability.

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