Equivalent & Substitute Parts for 1206J0250331MXT

Part Overview

The 1206J0250331MXT is a 330 pF ceramic capacitor manufactured by Knowles Syfer, rated at 25V with X7R temperature coefficient in 1206 (3216 Metric) surface mount package. This component is classified as Active product status and is suitable for general purpose applications. Equivalent and substitute parts are identified based on matching capacitance value, package form factor, and operating temperature range while accommodating variations in voltage rating, tolerance, and temperature coefficient that maintain functional compatibility within circuit design parameters.

Key Parameters

Parameter	Value
Capacitance	330 pF
Voltage Rating	25V
Tolerance	±20%
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.126" L x 0.063" W (3.20mm x 1.60mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Matching Parameters:

Capacitance value: 330 pF (exact match required)
Package form factor: 1206 (3216 Metric) surface mount (exact match required)
Operating temperature range: -55°C to 125°C (exact match required)
Mounting type: Surface Mount, MLCC (exact match required)

Allowable Variation Parameters:

Voltage rating: May be equal to or greater than 25V
Tolerance: May be tighter (lower) than ±20%
Temperature coefficient: X7R or C0G/NP0 (both acceptable for general purpose applications)
Thickness: Variation permitted within mechanical constraints

Compliance Requirements:

RoHS3 Compliant (mandatory)
Moisture Sensitivity Level 1 (mandatory)
REACH Unaffected status (maintained)

Substitute parts meeting these criteria provide functional equivalence while potentially offering improved electrical characteristics such as higher voltage derating margin or tighter capacitance tolerance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Thickness (Max)	Packaging	Product Status
1206J0250331MXT	Knowles Syfer	330 pF	25V	±20%	X7R	0.063" (1.60mm)	Tape & Reel (TR)	Active
C1206C331K5RAC7800	KEMET	330 pF	50V	±10%	X7R	0.035" (0.88mm)	Tape & Reel (TR)	Active
CC1206KRX7R0BB331	YAGEO	330 pF	100V	±10%	X7R	0.037" (0.95mm)	Tape & Reel (TR)	Active
CC1206KRX7R9BB331	YAGEO	330 pF	50V	±10%	X7R	0.033" (0.85mm)	Cut Tape (CT) & Digi-Reel®	Active
C1206C331F5GAC7800	KEMET	330 pF	50V	±1%	C0G, NP0	0.035" (0.88mm)	Tape & Reel (TR)	Active
C1206C331G5GAC7800	KEMET	330 pF	50V	±2%	C0G, NP0	0.035" (0.88mm)	Tape & Reel (TR)	Active
C1206C331J1GAC7800	KEMET	330 pF	100V	±5%	C0G, NP0	0.035" (0.88mm)	Tape & Reel (TR)	Active
C1206C331J5GAC7800	KEMET	330 pF	50V	±5%	C0G, NP0	0.035" (0.88mm)	Tape & Reel (TR)	Active
C1206C331K1GAC7800	KEMET	330 pF	100V	±10%	C0G, NP0	0.035" (0.88mm)	Tape & Reel (TR)	Active
CC1206JRNPO0BN331	YAGEO	330 pF	100V	±5%	C0G, NP0	0.028" (0.70mm)	Tape & Reel (TR)	Active
CC1206JRNPO9BN331	YAGEO	330 pF	50V	±5%	C0G, NP0	0.028" (0.70mm)	Cut Tape (CT) & Digi-Reel®	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance with Moisture Sensitivity Level 1 rating, ensuring long-term availability and regulatory alignment with the original 1206J0250331MXT component.

X7R Temperature Coefficient Substitutes (Direct Functional Equivalents):

C1206C331K5RAC7800 (KEMET, 50V, ±10%): Provides improved voltage margin with tighter tolerance
CC1206KRX7R0BB331 (YAGEO, 100V, ±10%): Highest voltage rating within X7R category
CC1206KRX7R9BB331 (YAGEO, 50V, ±10%): Available in Cut Tape packaging option

C0G/NP0 Temperature Coefficient Substitutes (Enhanced Stability):

C1206C331F5GAC7800 (KEMET, 50V, ±1%): Tightest tolerance specification
C1206C331G5GAC7800 (KEMET, 50V, ±2%): Intermediate tolerance with low ESL feature
C1206C331J5GAC7800 (KEMET, 50V, ±5%): Highest inventory availability (18,771 pcs)
C1206C331J1GAC7800 (KEMET, 100V, ±5%): Maximum voltage derating
C1206C331K1GAC7800 (KEMET, 100V, ±10%): Tolerance matching original specification
CC1206JRNPO0BN331 (YAGEO, 100V, ±5%): Compact thickness profile (0.028")
CC1206JRNPO9BN331 (YAGEO, 50V, ±5%): Cut Tape packaging availability

Frequently Asked Questions (FAQ)

Q: Can I use a 50V or 100V rated capacitor in place of the 25V original?

A: Yes. Higher voltage ratings provide increased safety margin and derating capability. The 1206 package dimensions remain identical, and all substitute parts maintain the same -55°C to 125°C operating temperature range. Voltage derating improves circuit reliability without affecting form factor or mounting compatibility.

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 tighter capacitance stability with minimal drift across temperature. For general purpose applications, both are functionally compatible. C0G/NP0 substitutes offer enhanced performance in temperature-sensitive circuits.

Q: Does tolerance affect substitutability?

A: Tolerance specifications define the acceptable capacitance deviation from the nominal 330 pF value. The original ±20% tolerance permits 264 pF to 396 pF. Tighter tolerances (±10%, ±5%, ±2%, ±1%) represent improved precision and are directly substitutable. Looser tolerances are not recommended as they may exceed the original specification range.

Q: Are there packaging format differences I should consider?

A: All substitute parts use identical 1206 (3216 Metric) surface mount package with 0.126" length and 0.063" width. Thickness varies slightly (0.028" to 0.063" maximum), which may affect PCB clearance in space-constrained designs. Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging formats are both suitable for automated assembly processes.

Q: Which substitute offers the best inventory availability?

A: C1206C331J5GAC7800 (KEMET) provides the highest stock level at 18,771 pieces. This part combines 50V rating, ±5% tolerance, C0G/NP0 temperature coefficient, and Tape & Reel packaging in a single option.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 Compliant status with Moisture Sensitivity Level 1 (Unlimited) and REACH Unaffected designation, matching the regulatory profile of the original 1206J0250331MXT component.

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