12105C392MAT2M Equivalent & Substitute Parts

Part Overview

The 12105C392MAT2M is a 3900 pF ceramic capacitor manufactured by KYOCERA AVX, rated for 50V with X7R temperature coefficient in 1210 (3225 Metric) surface mount package. This part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain the same electrical and mechanical specifications for continued circuit design and production support.

Substiute Parts

12105C392MAT2M

KYOCERA AVXIn Stock: 106712105C392MAT2M Datasheet

Current PartRFQ

C1210C392J5GAC7800

KEMETIn Stock: 4896C1210C392J5GAC7800 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 12105C392MAT2M is determined by strict equivalence in the following parameters:

• Capacitance value: 3900 pF (exact match required)
• Voltage rating: 50V (minimum acceptable)
• Package: 1210 (3225 Metric) surface mount form factor
• Mounting type: Surface Mount, MLCC
• Operating temperature range: -55°C ~ 125°C (minimum)
• Regulatory compliance: ROHS3 Compliant, REACH Unaffected

The substitute part C1210C392J5GAC7800 (KEMET) meets all mandatory electrical and mechanical parameters. While the substitute features C0G/NP0 temperature coefficient (±5% tolerance) compared to the original X7R (±20% tolerance), both coefficients support the same operating temperature range and are acceptable for general purpose applications within the specified voltage and capacitance requirements.

Parameter Comparison

Engineering Selection Recommendations

The C1210C392J5GAC7800 (KEMET) is a direct substitute for the discontinued 12105C392MAT2M. Both parts maintain identical capacitance, voltage rating, package dimensions, and operating temperature specifications. The substitute part is currently in active production status with confirmed inventory availability (4796 pcs), ensuring supply chain continuity.

Both parts satisfy ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and commercial applications. The substitute's tighter tolerance (±5% versus ±20%) and C0G/NP0 temperature coefficient provide improved stability characteristics while maintaining full compatibility with the original circuit design parameters.

Frequently Asked Questions (FAQ)

Q: Can C1210C392J5GAC7800 be used as a direct replacement for 12105C392MAT2M?

A: Yes. Both parts share identical capacitance (3900 pF), voltage rating (50V), package form factor (1210/3225 Metric), and operating temperature range (-55°C ~ 125°C). Physical dimensions and mounting type are equivalent, enabling direct PCB substitution.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients?

A: X7R and C0G/NP0 are both temperature coefficient classifications for ceramic capacitors. Both support the -55°C ~ 125°C operating range specified for these parts. C0G/NP0 typically exhibits lower capacitance variation across temperature, while X7R allows slightly higher variation. For general purpose applications at the specified voltage and capacitance values, both are functionally equivalent.

Q: Are there any physical compatibility concerns with the substitute part?

A: No. The substitute part dimensions (0.126" L x 0.098" W, 3.20mm x 2.50mm) match the original specification. The substitute thickness (0.035" / 0.88mm) is slightly less than the original (0.037" / 0.94mm), which presents no compatibility issues for standard PCB assembly processes.

Q: Does the substitute part meet the same compliance standards?

A: Yes. Both parts are ROHS3 Compliant and REACH Unaffected, satisfying identical regulatory requirements for industrial, commercial, and consumer applications.

Q: What is the inventory status of the substitute part?

A: The C1210C392J5GAC7800 is in active production with 4796 pcs confirmed in stock, providing reliable supply availability compared to the discontinued original part.