Equivalent & Substitute Parts for 0805J2000331MXT

Part Overview

The 0805J2000331MXT is a 330 pF ±20% 200V X7R ceramic capacitor in 0805 (2012 Metric) surface mount package manufactured by Knowles Syfer. This multilayer ceramic capacitor (MLCC) is designed for general purpose applications with X7R temperature coefficient, providing stable capacitance across the operating range of -55°C to 125°C. The part is ROHS3 compliant, REACH unaffected, and carries MSL 1 rating for unlimited moisture sensitivity. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are required due to inventory constraints, design optimization, or application-specific performance needs.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±20%
Voltage Rating	200V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 0805J2000331MXT are grouped based on the following substitution criteria:

Primary Substitution Criteria (Direct Equivalents):

Capacitance: 330 pF (exact match required)
Package: 0805 (2012 Metric) surface mount (exact match required)
Voltage Rating: 200V minimum (equal or higher voltage acceptable)
Temperature Coefficient: X7R or C0G/NP0 (both acceptable for general purpose applications)
Operating Temperature: -55°C to 125°C (exact match required)
Compliance: ROHS3 compliant, MSL 1 rating

Tolerance Consideration: The original part specifies ±20% tolerance. Substitute parts with tighter tolerances (±5%, ±10%) are acceptable as they provide improved accuracy while maintaining electrical compatibility.

Voltage Upgrade Path: Parts rated at 500V or 250V are acceptable substitutes as they provide higher voltage margin while maintaining the same capacitance and package footprint.

Temperature Coefficient Variants: X7R dielectric provides ±15% capacitance change over temperature. C0G/NP0 dielectric provides superior stability (0 ppm/°C nominal) and is acceptable for applications requiring enhanced temperature stability.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	RoHS Status
0805J2000331MXT	Knowles Syfer	330 pF	±20%	200V	X7R	0805	0.051" (1.30mm)	ROHS3
C0805C331J2RAC7800	KEMET	330 pF	±5%	200V	X7R	0805	0.035" (0.88mm)	ROHS3
C0805C331K2RAC7800	KEMET	330 pF	±10%	200V	X7R	0805	0.035" (0.88mm)	ROHS3
C0805C331KCRAC7800	KEMET	330 pF	±10%	500V	X7R	0805	0.055" (1.40mm)	ROHS3
CC0805JRX7RABB331	YAGEO	330 pF	±5%	200V	X7R	0805	0.028" (0.70mm)	ROHS3
CC0805KRX7RABB331	YAGEO	330 pF	±10%	200V	X7R	0805	0.037" (0.95mm)	ROHS3
CC0805KRX7RBBB331	YAGEO	330 pF	±10%	500V	X7R	0805	0.037" (0.95mm)	ROHS3
CC0805KRX7RYBB331	YAGEO	330 pF	±10%	250V	X7R	0805	0.037" (0.95mm)	ROHS3
0805N331K501NT	Knowles Novacap	330 pF	±10%	500V	C0G/NP0	0805	0.054" (1.37mm)	ROHS3
C0805C331J2GAC7800	KEMET	330 pF	±5%	200V	C0G/NP0	0805	0.035" (0.88mm)	ROHS3
C0805C331JCGAC7800	KEMET	330 pF	±5%	500V	C0G/NP0	0805	0.055" (1.40mm)	ROHS3

Engineering Selection Recommendations

All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of the original 0805J2000331MXT. Selection among substitutes depends on application-specific requirements:

For Direct 200V X7R Replacement (Tighter Tolerance): C0805C331J2RAC7800 (KEMET ±5%), C0805C331K2RAC7800 (KEMET ±10%), CC0805JRX7RABB331 (YAGEO ±5%), or CC0805KRX7RABB331 (YAGEO ±10%) provide equivalent electrical performance with improved tolerance specifications and reduced physical thickness.

For Voltage Margin Enhancement (500V Rating): C0805C331KCRAC7800 (KEMET X7R), CC0805KRX7RBBB331 (YAGEO X7R), or C0805C331JCGAC7800 (KEMET C0G/NP0) accommodate higher voltage stress conditions while maintaining 330 pF capacitance and 0805 package compatibility.

For Intermediate Voltage Requirement (250V Rating): CC0805KRX7RYBB331 (YAGEO) provides 250V rating as a middle option between 200V and 500V specifications.

For Temperature Stability Enhancement (C0G/NP0 Dielectric): C0805C331J2GAC7800 (KEMET 200V) or C0805C331JCGAC7800 (KEMET 500V) offer superior temperature coefficient performance (0 ppm/°C nominal) compared to X7R (±15% over temperature range), suitable for precision applications requiring minimal capacitance drift.

For Manufacturer Recommendation (Knowles Novacap): 0805N331K501NT provides C0G/NP0 dielectric at 500V rating with manufacturer recommendation status, combining temperature stability with enhanced voltage rating.

Frequently Asked Questions (FAQ)

Q: Can I use a 500V rated capacitor in place of the 200V original part? A: Yes. Higher voltage ratings are acceptable substitutes as they provide increased voltage margin. The 500V parts (C0805C331KCRAC7800, CC0805KRX7RBBB331, C0805C331JCGAC7800, 0805N331K501NT) maintain identical 330 pF capacitance and 0805 package footprint while accommodating higher voltage stress.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R dielectric exhibits ±15% capacitance change across the -55°C to 125°C operating range. C0G/NP0 dielectric provides superior stability with 0 ppm/°C nominal temperature coefficient, resulting in minimal capacitance drift. Both are acceptable for the 0805J2000331MXT application; C0G/NP0 selection is recommended for precision circuits requiring enhanced temperature stability.

Q: Does tolerance tighter than ±20% affect compatibility? A: No. Substitute parts with ±5% or ±10% tolerance are fully compatible and provide improved accuracy. Tighter tolerance specifications do not compromise electrical function and may enhance circuit performance in applications sensitive to capacitance variation.

Q: Are all substitute parts physically compatible with the 0805 footprint? A: Yes. All substitute parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Physical thickness varies between 0.028" and 0.055" depending on dielectric and voltage rating; verify PCB clearance for high-thickness variants (C0805C331KCRAC7800, C0805C331JCGAC7800, 0805N331K501NT).

Q: Which substitute offers the smallest physical profile? A: CC0805JRX7RABB331 (YAGEO) provides the minimum thickness of 0.028" (0.70mm) while maintaining 330 pF ±5% at 200V X7R specification.

Q: Are all parts ROHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's regulatory status.

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