KEMET C0805C331M3RAC7800 Equivalent & Substitute Parts

Part Overview

The KEMET C0805C331M3RAC7800 is a 330 pF ceramic capacitor in 0805 (2012 Metric) surface mount package, rated for 25V 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 ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified based on identical capacitance value, matching package dimensions, and compatible electrical ratings that satisfy circuit requirements.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±20%
Voltage Rating	25V
Temperature Coefficient	X7R
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the C0805C331M3RAC7800 are selected based on the following criteria:

Primary Matching Criteria:

Capacitance value: 330 pF (exact match required)
Package: 0805 (2012 Metric) surface mount (exact match required)
Physical dimensions: 0.079" L x 0.049" W, 0.035" max thickness (exact match required)
Operating temperature range: -55°C ~ 125°C (exact match required)
Compliance: ROHS3 Compliant, MSL 1 (exact match required)

Variable Parameters Allowing Substitution:

Voltage rating: 25V, 50V, or 100V, or 200V (higher voltage ratings are acceptable for circuits designed for 25V operation)
Tolerance: ±20%, ±10%, ±5%, ±2%, or ±1% (tighter tolerances are acceptable)
Temperature coefficient: X7R or C0G/NP0 (both acceptable for -55°C ~ 125°C range)

Substitute parts are grouped by voltage rating and tolerance, as these parameters determine circuit compatibility while maintaining identical physical and thermal characteristics.

Parameter Comparison

Part Number	Capacitance	Tolerance	Voltage Rating	Temp Coefficient	Package	Inventory (Pcs)
C0805C331M3RAC7800	330 pF	±20%	25V	X7R	0805	983
C0805C331F1GAC7800	330 pF	±1%	100V	C0G/NP0	0805	4458
C0805C331F5GAC7800	330 pF	±1%	50V	C0G/NP0	0805	17557
C0805C331G1GAC7800	330 pF	±2%	100V	C0G/NP0	0805	6464
C0805C331G5GAC7800	330 pF	±2%	50V	C0G/NP0	0805	5436
C0805C331J2RAC7800	330 pF	±5%	200V	X7R	0805	4722
C0805C331K1GAC7800	330 pF	±10%	100V	C0G/NP0	0805	8707
C0805C331K1RAC7800	330 pF	±10%	100V	X7R	0805	11648
C0805C331K2RAC7800	330 pF	±10%	200V	X7R	0805	9188
C0805C331K5GAC7800	330 pF	±10%	50V	C0G/NP0	0805	19611
C0805C331K5RAC7800	330 pF	±10%	50V	X7R	0805	61700

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Characteristics): Select C0805C331K5RAC7800 when X7R temperature coefficient and 25V minimum voltage rating are required. This part maintains identical temperature coefficient and application profile (bypass/decoupling) while offering higher inventory availability (61,700 pcs) and ±10% tolerance.

For Upgraded Performance (Higher Voltage Rating): Select C0805C331K1RAC7800 (100V, ±10%, X7R) or C0805C331K2RAC7800 (200V, ±10%, X7R) when circuit design permits higher voltage ratings. These parts provide enhanced voltage margin while maintaining X7R characteristics and bypass/decoupling application suitability.

For Precision Applications (Tighter Tolerance): Select C0805C331F5GAC7800 (50V, ±1%, C0G/NP0) or C0805C331G5GAC7800 (50V, ±2%, C0G/NP0) when capacitance accuracy is critical. C0G/NP0 temperature coefficient provides superior stability across the -55°C ~ 125°C operating range compared to X7R.

Compliance Verification: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical package dimensions (0805, 2.00mm x 1.25mm x 0.88mm max). All parts are Active in product status with unlimited moisture sensitivity level.

Frequently Asked Questions (FAQ)

Q: Can C0805C331K5RAC7800 replace C0805C331M3RAC7800 in a 25V circuit?

A: Yes. C0805C331K5RAC7800 is rated for 50V, which exceeds the 25V circuit requirement. Both parts share identical 330 pF capacitance, 0805 package, X7R temperature coefficient, and -55°C ~ 125°C operating range. The ±10% tolerance of the substitute is acceptable where ±20% tolerance was previously specified.

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

A: Both temperature coefficients support the -55°C ~ 125°C operating range specified for this product category. X7R provides ±15% capacitance change over temperature. C0G/NP0 provides superior stability with 0 ppm/°C nominal drift. Selection depends on circuit sensitivity to capacitance variation across temperature extremes.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All substitute parts are supplied in Tape & Reel (TR) packaging and feature identical 0805 (2012 Metric) surface mount package dimensions: 0.079" L x 0.049" W x 0.035" max thickness. No PCB layout or assembly process modifications are required.

Q: Can I use a 200V rated capacitor in a 25V circuit?

A: Yes. Higher voltage ratings are acceptable for circuits designed for lower voltages. C0805C331J2RAC7800 (200V) and C0805C331K2RAC7800 (200V) both function correctly in 25V applications. Voltage rating indicates the maximum safe operating voltage, not the required operating voltage.

Q: Which substitute offers the best inventory availability?

A: C0805C331K5RAC7800 offers the highest inventory level at 61,700 pcs. This part maintains X7R temperature coefficient and bypass/decoupling application profile while providing 50V rating and ±10% tolerance.

Q: Do all parts meet RoHS and REACH compliance requirements?

A: Yes. All listed parts are ROHS3 Compliant and REACH Unaffected. All parts carry ECCN EAR99 classification and HTSUS code 8532.24.0020, confirming equivalent regulatory status.

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