1206J0250682MXT Equivalent & Substitute Parts

Part Overview

The 1206J0250682MXT is a 6800 pF ceramic capacitor manufactured by Knowles Syfer, rated at 25V with X7R temperature coefficient in 1206 (3216 Metric) surface mount package. This part is active and ROHS3 compliant with unlimited moisture sensitivity level. Equivalent and substitute parts are identified based on matching capacitance, package, temperature coefficient, and voltage rating specifications to ensure functional compatibility in circuit applications.

Key Parameters

Parameter	Value
Capacitance	6800 pF
Voltage Rating	25V
Tolerance	±20%
Temperature Coefficient	X7R
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 1206J0250682MXT are grouped based on the following substitution criteria:

Primary Matching Parameters:

Capacitance: 6800 pF (exact match required)
Package: 1206 (3216 Metric) surface mount (exact match required)
Temperature Coefficient: X7R (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 rated at 50V or 100V are acceptable as they exceed the 25V requirement
Tolerance: Substitutes with ±5% or ±10% tolerance are acceptable as they are tighter than the original ±20%
Manufacturer: KEMET, YAGEO, and KYOCERA AVX substitutes meet all electrical and mechanical requirements

Non-Substitutable Alternatives:

C1206C682J1GAC7800 and C1206C682J3GAC7800 feature C0G/NP0 temperature coefficient instead of X7R and are listed as manufacturer-recommended alternatives for applications requiring superior temperature stability, not direct substitutes

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Package	Thickness (Max)	RoHS Status
1206J0250682MXT	Knowles Syfer	6800 pF	25V	±20%	X7R	1206 (3216 Metric)	0.063" (1.60mm)	ROHS3 Compliant
C1206C682J1RAC7800	KEMET	6800 pF	100V	±5%	X7R	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant
C1206C682J5RAC7800	KEMET	6800 pF	50V	±5%	X7R	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant
C1206C682K1RAC7800	KEMET	6800 pF	100V	±10%	X7R	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant
CC1206JRX7R9BB682	YAGEO	6800 pF	50V	±5%	X7R	1206 (3216 Metric)	0.037" (0.95mm)	ROHS3 Compliant
CC1206KRX7R0BB682	YAGEO	6800 pF	100V	±10%	X7R	1206 (3216 Metric)	0.037" (0.95mm)	ROHS3 Compliant
CC1206KRX7R9BB682	YAGEO	6800 pF	50V	±10%	X7R	1206 (3216 Metric)	0.033" (0.85mm)	ROHS3 Compliant
KGM31BR71H682JT	KYOCERA AVX	6800 pF	50V	±5%	X7R	1206 (3216 Metric)	0.037" (0.94mm)	ROHS3 Compliant
KGM31BR72A682JT	KYOCERA AVX	6800 pF	100V	±5%	X7R	1206 (3216 Metric)	0.037" (0.94mm)	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain active product status and ROHS3 compliance, ensuring regulatory alignment with the original 1206J0250682MXT. Selection among substitutes depends on circuit voltage requirements and tolerance specifications:

For applications operating at or below 25V, any substitute with 50V or 100V rating provides adequate voltage margin. KEMET C1206C series parts offer the thinnest profile at 0.035" (0.88mm), beneficial for space-constrained designs. YAGEO CC1206 series and KYOCERA AVX KGM31 series provide alternative sourcing with comparable electrical performance.

Tolerance selection should reflect circuit requirements: ±5% tolerance (KEMET C1206C682J1RAC7800, C1206C682J5RAC7800; YAGEO CC1206JRX7R9BB682; KYOCERA AVX KGM31BR71H682JT, KGM31BR72A682JT) suits precision applications, while ±10% tolerance (KEMET C1206C682K1RAC7800; YAGEO CC1206KRX7R0BB682, CC1206KRX7R9BB682) accommodates general-purpose circuits.

Frequently Asked Questions (FAQ)

Q: Can I substitute a 50V or 100V rated capacitor for the 25V original part?

A: Yes. Higher voltage ratings provide increased safety margin and are electrically compatible. The 1206 package dimensions remain identical across all substitutes, ensuring mechanical fit in the PCB layout.

Q: What is the difference between ±20%, ±10%, and ±5% tolerance?

A: Tolerance specifies the allowable deviation from the nominal 6800 pF capacitance value. The original ±20% allows 5440–8160 pF. Substitutes with ±5% or ±10% tolerance provide tighter capacitance control, suitable for circuits requiring higher precision. All are functionally compatible with the original specification.

Q: Are X7R and C0G/NP0 temperature coefficients interchangeable?

A: No. X7R capacitors exhibit ±15% capacitance change across the -55°C to 125°C operating range. C0G/NP0 capacitors provide superior stability with minimal capacitance drift. The C1206C682J1GAC7800 and C1206C682J3GAC7800 are manufacturer-recommended alternatives for applications requiring temperature-stable performance, not direct substitutes for X7R applications.

Q: Do all substitutes fit the same PCB footprint?

A: Yes. All listed substitutes use the 1206 (3216 Metric) package with identical length (0.126") and width (0.063") dimensions. Thickness varies slightly (0.033"–0.063"), which does not affect standard PCB assembly processes.

Q: Which substitute offers the best availability?

A: KEMET C1206C682J1RAC7800 and C1206C682J5RAC7800 show the highest inventory levels at 12,739 and 12,552 pieces respectively, providing reliable sourcing for high-volume applications.

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