Equivalent & Substitute Parts for 0805J0630331MXT

Part Overview

The 0805J0630331MXT is a 330 pF ceramic capacitor manufactured by Knowles Syfer, rated at 63V with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is Active status and widely used in general purpose applications. Equivalent and substitute parts are identified based on matching capacitance, package, and operating temperature range while allowing variations in voltage rating, temperature coefficient, and tolerance within acceptable engineering parameters.

Key Parameters

Parameter	Value
Capacitance	330 pF
Voltage Rating	63V
Tolerance	±20%
Temperature Coefficient	X7R
Package / Case	0805 (2012 Metric)
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 0805J0630331MXT is determined by the following critical parameters:

Fixed Parameters (Must Match):

Capacitance: 330 pF
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount, MLCC
Operating Temperature Range: -55°C ~ 125°C minimum

Variable Parameters (Allowed to Differ):

Voltage Rating: May be equal to or higher than 63V
Temperature Coefficient: X7R or C0G/NP0 acceptable
Tolerance: ±1%, ±2%, ±5%, ±10%, or ±20%
Manufacturer: Knowles Syfer, KEMET, YAGEO, Knowles Novacap

Substitute parts must maintain ROHS3 compliance and MSL 1 rating. All identified substitutes meet these criteria and are suitable for direct replacement in applications where the original 0805J0630331MXT is specified.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Package	Thickness (Max)	RoHS Status
0805J0630331MXT	Knowles Syfer	330 pF	63V	±20%	X7R	0805 (2012 Metric)	0.051" (1.30mm)	ROHS3 Compliant
0805J1000331JCT	Knowles Syfer	330 pF	100V	±5%	C0G, NP0 (1B)	0805 (2012 Metric)	0.051" (1.30mm)	ROHS3 Compliant
C0805C331J1RAC7800	KEMET	330 pF	100V	±5%	X7R	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant
C0805C331K1RAC7800	KEMET	330 pF	100V	±10%	X7R	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant
CC0805JRX7RABB331	YAGEO	330 pF	200V	±5%	X7R	0805 (2012 Metric)	0.028" (0.70mm)	ROHS3 Compliant
CC0805KRX7R0BB331	YAGEO	330 pF	100V	±10%	X7R	0805 (2012 Metric)	0.028" (0.70mm)	ROHS3 Compliant
CC0805KRX7RABB331	YAGEO	330 pF	200V	±10%	X7R	0805 (2012 Metric)	0.037" (0.95mm)	ROHS3 Compliant
0805D331J101KHT	Knowles Novacap	330 pF	100V	±5%	C0G, NP0	0805 (2012 Metric)	0.054" (1.37mm)	ROHS3 Compliant
C0805C331F1GAC7800	KEMET	330 pF	100V	±1%	C0G, NP0	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant
C0805C331G1GAC7800	KEMET	330 pF	100V	±2%	C0G, NP0	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant
C0805C331K1GAC7800	KEMET	330 pF	100V	±10%	C0G, NP0	0805 (2012 Metric)	0.035" (0.88mm)	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance. Selection among substitutes should be based on the following criteria:

For Direct Replacement with Identical Characteristics: Use 0805J1000331JCT (Knowles Syfer) or 0805D331J101KHT (Knowles Novacap) when C0G/NP0 temperature coefficient is acceptable and higher voltage rating (100V) is not a constraint.

For Improved Tolerance Requirements: KEMET C0805C331F1GAC7800 (±1% tolerance) or C0805C331G1GAC7800 (±2% tolerance) provide superior tolerance performance while maintaining 100V rating and X7R or C0G/NP0 characteristics.

For Higher Voltage Margin Applications: YAGEO CC0805JRX7RABB331 (200V, ±5%, X7R) or CC0805KRX7RABB331 (200V, ±10%, X7R) offer increased voltage headroom for designs requiring enhanced reliability margins.

For Compact Form Factor: KEMET and YAGEO parts offer reduced thickness (0.035" to 0.028") compared to the original 0805J0630331MXT (0.051"), beneficial for space-constrained PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher voltage rating than 63V? A: Yes. Higher voltage ratings are acceptable substitutes. A 100V or 200V rated capacitor will function correctly in a 63V application with improved safety margin.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R provides ±15% capacitance variation across -55°C to 125°C. C0G/NP0 provides superior stability with ±0.3% variation. Both are acceptable substitutes; C0G/NP0 is preferred for precision applications.

Q: Are tolerance differences significant for substitution? A: The original part specifies ±20% tolerance. Substitutes with tighter tolerances (±1%, ±2%, ±5%, ±10%) are fully compatible and provide improved capacitance accuracy without affecting circuit function.

Q: Can I substitute parts from different manufacturers? A: Yes. All listed manufacturers (Knowles Syfer, KEMET, YAGEO, Knowles Novacap) produce qualified 330 pF 0805 ceramic capacitors meeting the same electrical and mechanical specifications.

Q: Does package thickness affect PCB assembly? A: Package thickness varies from 0.028" to 0.054" among substitutes. Verify PCB clearance and reflow profile compatibility. Thinner parts (0.028" to 0.035") are generally preferred for modern high-density designs.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 rating, ensuring regulatory compliance and unlimited shelf life.

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