FG18C0G2A331JNT00 Equivalent & Substitute Parts

Part Overview

The FG18C0G2A331JNT00 is a 330 pF ceramic capacitor rated at 100V with C0G/NP0 temperature coefficient, manufactured by TDK Corporation in the FG series. This through-hole radial component is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is currently in active production status with ROHS3 compliance and REACH unaffected certification.

Substitute parts become necessary when the primary part reaches end-of-life status, inventory constraints occur, or design revisions require components from alternative series within the same electrical and mechanical specifications.

Substiute Parts

FG18C0G2A331JNT00

TDK CorporationIn Stock: 1189FG18C0G2A331JNT00 Datasheet

Current PartRFQ

FK18C0G2A331JN020

TDK CorporationIn Stock: 1330FK18C0G2A331JN020 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FG18C0G2A331JNT00 is determined by strict equivalence across the following critical parameters:

• Capacitance value: 330 pF (exact match required)
• Tolerance: ±5% (exact match required)
• Voltage rating: 100V (exact match required)
• Temperature coefficient: C0G/NP0 (exact match required)
• Operating temperature range: -55°C to 125°C (exact match required)
• Mounting type: Through Hole (exact match required)
• Package configuration: Radial (exact match required)
• Lead spacing: 0.098" / 2.50mm (exact match required)
• Physical footprint compatibility: 4.00mm x 2.50mm body dimensions (exact match required)

The FK18C0G2A331JN020 qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility. Variations in lead style (formed leads versus formed leads - kinked) do not affect electrical performance or circuit board compatibility for through-hole applications.

Parameter Comparison

Engineering Selection Recommendations

The FG18C0G2A331JNT00 is the preferred selection for new designs due to its active production status. The FK18C0G2A331JN020 serves as a direct electrical and mechanical substitute for existing designs or applications where the FG series component is unavailable.

Both components meet ROHS3 compliance and REACH unaffected requirements. The FK series designation indicates a legacy or transitional product line; however, electrical performance and circuit board compatibility remain equivalent to the FG series for this specific capacitance and voltage rating.

Selection between these two parts should be based on availability and design phase requirements rather than technical performance differences.

Frequently Asked Questions (FAQ)

Q: Can FK18C0G2A331JN020 be used as a direct replacement for FG18C0G2A331JNT00 on existing circuit boards?

A: Yes. Both components share identical electrical specifications (330 pF, ±5%, 100V, C0G/NP0), operating temperature range (-55°C to 125°C), and mechanical footprint (4.00mm x 2.50mm body, 2.50mm lead spacing). The kinked lead style of the FK variant does not affect through-hole mounting compatibility or electrical performance.

Q: What is the significance of the "Not For New Designs" status on the FK18C0G2A331JN020?

A: This designation indicates the FK series is in a mature or transitional phase of its product lifecycle. For new circuit board designs, TDK recommends the FG18C0G2A331JNT00 as the primary component selection. The FK variant remains available for legacy design support and replacement applications.

Q: Are there any compliance or certification differences between these two parts?

A: No. Both components carry identical ROHS3 compliance and REACH unaffected certifications. Environmental and regulatory requirements are equivalent.

Q: What parameters must remain identical for substitution eligibility?

A: Capacitance (330 pF), tolerance (±5%), voltage rating (100V), temperature coefficient (C0G/NP0), operating temperature range (-55°C to 125°C), mounting type (through hole), package configuration (radial), and physical footprint (4.00mm x 2.50mm, 2.50mm lead spacing) must all match exactly.

Q: Can these radial capacitors be substituted with surface-mount alternatives?

A: No. These components are through-hole radial packages. Surface-mount substitutes would require different mounting technology, circuit board layout, and assembly processes. Equivalent surface-mount alternatives would be classified as a different product category.