FG18X7R1H102KNT06 Equivalent & Substitute Parts

Part Overview

The FG18X7R1H102KNT06 is a 1000 pF ceramic capacitor rated at 50V with X7R temperature coefficient, manufactured by TDK Corporation in radial through-hole configuration. This component is active in production and widely used in general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. Substitute parts are identified when design requirements change, such as increased voltage rating, improved tolerance specifications, or automotive-grade qualification.

Key Parameters

Parameter	Value
Capacitance	1000 pF
Voltage Rating	50V
Tolerance	±10%
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package	Radial
Lead Spacing	0.098" (2.50mm)
Physical Dimensions	0.157" L x 0.098" W (4.00mm x 2.50mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Electrical Parameters: Capacitance value (1000 pF) and temperature coefficient (X7R or C0G/NP0) must remain constant. Voltage rating may be increased without functional impact. Tolerance may be tightened (±10% to ±5%) for improved performance.

Mechanical Parameters: Lead spacing (0.098"), physical dimensions (0.157" L x 0.098" W), and radial through-hole mounting must be preserved for PCB compatibility.

Compliance & Ratings: RoHS3 compliance is maintained across all substitutes. Automotive-grade qualification (AEC-Q200) is available as an upgrade option.

The identified substitutes fall into three categories:

Automotive Upgrade: Same electrical and mechanical specifications with AEC-Q200 rating
Voltage Upgrade: Increased voltage rating (50V to 100V) with identical capacitance and mechanical form factor
Tolerance & Temperature Coefficient Upgrade: Improved tolerance (±5%) with C0G/NP0 temperature coefficient for applications requiring tighter capacitance stability

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Lead Spacing	Ratings	Applications	Inventory
FG18X7R1H102KNT06	TDK	1000 pF	50V	±10%	X7R	0.098"	—	General Purpose	1534 Pcs
FA18X7R1H102KNU06	TDK	1000 pF	50V	±10%	X7R	0.098"	AEC-Q200	Automotive	6681 Pcs
FG18X7R2A102KNT06	TDK	1000 pF	100V	±10%	X7R	0.098"	—	General Purpose	3370 Pcs
FG18C0G1H102JNT06	TDK	1000 pF	50V	±5%	C0G, NP0	0.098"	—	General Purpose	1695 Pcs
FG18C0G2A102JNT06	TDK	1000 pF	100V	±5%	C0G, NP0	0.098"	—	General Purpose	1910 Pcs

Engineering Selection Recommendations

For Automotive Applications: FA18X7R1H102KNU06 provides direct substitution with AEC-Q200 automotive qualification while maintaining identical electrical and mechanical specifications.

For Increased Voltage Margin: FG18X7R2A102KNT06 offers 100V rating in the same form factor, suitable for applications requiring higher voltage headroom without design modification.

For Improved Capacitance Stability: FG18C0G1H102JNT06 (50V) or FG18C0G2A102JNT06 (100V) provide ±5% tolerance with C0G/NP0 temperature coefficient, eliminating capacitance drift across temperature extremes compared to X7R characteristics.

All substitutes maintain ROHS3 compliance, through-hole radial mounting, and 0.098" lead spacing for direct PCB compatibility.

Frequently Asked Questions (FAQ)

Q: Can FG18X7R2A102KNT06 (100V) be used as a direct replacement for FG18X7R1H102KNT06 (50V)?

A: Yes. The 100V-rated part is mechanically and electrically compatible. Higher voltage rating provides additional safety margin without affecting circuit performance in 50V applications.

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

A: X7R exhibits ±15% capacitance change across -55°C to 125°C. C0G/NP0 maintains ±0.3% change over the same range. Select C0G/NP0 for precision timing, filtering, or resonant circuits requiring stable capacitance.

Q: Is FA18X7R1H102KNU06 suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification exceeds general-purpose requirements and provides additional reliability assurance. This part is functionally equivalent for any application accepting the FG18X7R1H102KNT06.

Q: Do all substitutes maintain the same PCB footprint?

A: Yes. All listed substitutes preserve 0.098" lead spacing and radial through-hole configuration, requiring no PCB layout changes.

Q: Which substitute offers the best availability?

A: FA18X7R1H102KNU06 has the highest inventory at 6681 pieces, followed by FG18X7R2A102KNT06 at 3370 pieces.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message