1206J0100331MXT Ceramic Capacitor 330pF 10V X7R Equivalent & Substitute Parts

Part Overview

The 1206J0100331MXT is a surface mount multilayer ceramic capacitor (MLCC) manufactured by Knowles Syfer with a capacitance of 330 pF, rated voltage of 10V, and X7R temperature coefficient. This component is classified as Active and is suitable for general purpose applications. Substitute parts are identified based on matching capacitance value, package size (1206/3216 Metric), and operating temperature range while accommodating variations in voltage rating, tolerance, and temperature coefficient that remain functionally compatible with the original specification.

Key Parameters

Parameter	Value
Manufacturer Part Number	1206J0100331MXT
Manufacturer	Knowles Syfer
Capacitance	330 pF
Tolerance	±20%
Voltage - Rated	10V
Temperature Coefficient	X7R
Operating Temperature	-55°C ~ 125°C
Package / Case	1206 (3216 Metric)
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)
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 1206J0100331MXT are selected based on the following criteria:

Primary Matching Parameters:

Capacitance: 330 pF (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Operating Temperature Range: -55°C ~ 125°C (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)

Allowable Variations:

Voltage Rating: Substitutes may have equal or higher voltage ratings (10V, 50V, or 100V)
Tolerance: Substitutes may have tighter tolerance (±1%, ±2%, ±5%, ±10%) than the original ±20%
Temperature Coefficient: Substitutes may use X7R or C0G/NP0 (both acceptable for general purpose applications)
Thickness: Minor variations permitted within manufacturing standards
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats are interchangeable

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and Active product status.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage - Rated	Temperature Coefficient	Package / Case	Thickness (Max)	RoHS Status	Product Status
1206J0100331MXT	Knowles Syfer	330 pF	±20%	10V	X7R	1206 (3216 Metric)	0.063" (1.60mm)	ROHS3 Compliant	Active
C1206C331K5RAC7800	KEMET	330 pF	±10%	50V	X7R	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant	Active
CC1206KRX7R0BB331	YAGEO	330 pF	±10%	100V	X7R	1206 (3216 Metric)	0.037" (0.95mm)	ROHS3 Compliant	Active
CC1206KRX7R9BB331	YAGEO	330 pF	±10%	50V	X7R	1206 (3216 Metric)	0.033" (0.85mm)	ROHS3 Compliant	Active
C1206C331F5GAC7800	KEMET	330 pF	±1%	50V	C0G, NP0	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant	Active
C1206C331G5GAC7800	KEMET	330 pF	±2%	50V	C0G, NP0	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant	Active
C1206C331J1GAC7800	KEMET	330 pF	±5%	100V	C0G, NP0	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant	Active
C1206C331J5GAC7800	KEMET	330 pF	±5%	50V	C0G, NP0	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant	Active
C1206C331K1GAC7800	KEMET	330 pF	±10%	100V	C0G, NP0	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant	Active
CC1206JRNPO0BN331	YAGEO	330 pF	±5%	100V	C0G, NP0	1206 (3216 Metric)	0.028" (0.70mm)	ROHS3 Compliant	Active
CC1206JRNPO9BN331	YAGEO	330 pF	±5%	50V	C0G, NP0	1206 (3216 Metric)	0.028" (0.70mm)	ROHS3 Compliant	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory and supply chain continuity. Selection among substitutes depends on application-specific voltage and tolerance requirements:

For 10V applications with standard tolerance: C1206C331K5RAC7800 (KEMET, 50V, ±10%, X7R) or CC1206KRX7R9BB331 (YAGEO, 50V, ±10%, X7R) provide direct functional equivalence with improved voltage margin and tighter tolerance.

For applications requiring higher voltage headroom: CC1206KRX7R0BB331 (YAGEO, 100V, ±10%, X7R) or C1206C331K1GAC7800 (KEMET, 100V, ±10%, C0G/NP0) accommodate 100V rated designs.

For applications requiring tighter tolerance and stable temperature characteristics: C0G/NP0 temperature coefficient parts (C1206C331F5GAC7800, C1206C331G5GAC7800, C1206C331J1GAC7800, C1206C331J5GAC7800, C1206C331K1GAC7800, CC1206JRNPO0BN331, CC1206JRNPO9BN331) provide superior frequency stability and lower distortion compared to X7R alternatives.

Frequently Asked Questions (FAQ)

Q: Can I use a 50V or 100V rated capacitor in place of the 10V original?

A: Yes. Higher voltage ratings are functionally compatible. A capacitor rated for higher voltage can safely operate at lower voltages. This substitution is electrically valid and does not compromise circuit performance.

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 applications requiring stable capacitance with temperature, while X7R is suitable for general purpose applications where moderate capacitance variation is acceptable.

Q: Does tolerance affect substitution compatibility?

A: Tighter tolerance (lower percentage) is always compatible. A ±1% part can replace a ±20% part. Looser tolerance is not recommended as it may exceed circuit design margins.

Q: Are Tape & Reel and Cut Tape packaging formats interchangeable?

A: Yes. Both formats contain identical components and differ only in packaging presentation. Selection depends on assembly equipment and procurement volume requirements.

Q: Will thickness variations affect PCB assembly?

A: Thickness variations within the specified range (0.028" to 0.063") are within standard PCB assembly tolerances and do not affect placement or soldering processes for 1206 package components.

Q: Are all substitute parts ROHS3 compliant?

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

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