KEMET C1206C104F3JAC7800 Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The KEMET C1206C104F3JAC7800 is an active-status, surface-mount multilayer ceramic capacitor (MLCC) rated at 0.1 µF capacitance with ±1% tolerance and 25V voltage rating in 1206 (3216 Metric) package form factor. This component is designed for general-purpose applications requiring low ESL and low dissipation factor characteristics. Substitute parts are identified when design requirements permit voltage rating upgrades or when inventory constraints necessitate alternative sourcing while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Capacitance	0.1	µF
Tolerance	±1%	-
Voltage - Rated	25	V
Temperature Coefficient	U2J	-
Operating Temperature Range	-55 to 125	°C
Package / Case	1206 (3216 Metric)	-
Size - Length	0.126 (3.20)	in (mm)
Size - Width	0.063 (1.60)	in (mm)
Thickness (Max)	0.035 (0.88)	in (mm)
Mounting Type	Surface Mount, MLCC	-
Features	Low ESL, Low Dissipation Factor	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution eligibility for the C1206C104F3JAC7800 is determined by strict equivalence in the following parameters:

Critical Parameters (Must Match Exactly):

Capacitance: 0.1 µF
Tolerance: ±1%
Temperature Coefficient: U2J
Package / Case: 1206 (3216 Metric)
Physical Dimensions: 0.126" L × 0.063" W × 0.035" Max Thickness
Mounting Type: Surface Mount, MLCC
Operating Temperature Range: -55°C to 125°C

Allowable Variation Parameter:

Voltage - Rated: Substitutes with equal or higher voltage ratings are electrically compatible

The identified substitute part C1206C104F5JAC7800 maintains all critical parameters while providing an upgraded voltage rating of 50V, which is compatible with applications originally specified for 25V operation.

Parameter Comparison

Parameter	C1206C104F3JAC7800 (Main)	C1206C104F5JAC7800 (Substitute)	Compatibility
Manufacturer	KEMET	KEMET	Match
Capacitance	0.1 µF	0.1 µF	Match
Tolerance	±1%	±1%	Match
Voltage - Rated	25V	50V	Upgrade
Temperature Coefficient	U2J	U2J	Match
Operating Temperature	-55°C to 125°C	-55°C to 125°C	Match
Package / Case	1206 (3216 Metric)	1206 (3216 Metric)	Match
Size - Length	0.126" (3.20mm)	0.126" (3.20mm)	Match
Size - Width	0.063" (1.60mm)	0.063" (1.60mm)	Match
Thickness (Max)	0.035" (0.88mm)	0.035" (0.88mm)	Match
Mounting Type	Surface Mount, MLCC	Surface Mount, MLCC	Match
Features	Low ESL, Low Dissipation Factor	Low ESL, Low Dissipation Factor	Match
Series	SMD Comm U2J	SMD Comm U2J	Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Match
MSL Rating	1 (Unlimited)	1 (Unlimited)	Match
REACH Status	REACH Unaffected	REACH Unaffected	Match
Product Status	Active	Active	Match

Engineering Selection Recommendations

Primary Part Selection: The C1206C104F3JAC7800 remains the specified component for applications with circuit voltage requirements of 25V or lower. This part maintains active product status with ROHS3 compliance and REACH unaffected designation, confirming regulatory alignment for current manufacturing standards.

Substitute Part Selection: The C1206C104F5JAC7800 is electrically and mechanically compatible for direct substitution in applications where the circuit design permits operation at 50V rated voltage. The voltage upgrade does not alter capacitance, tolerance, temperature coefficient, or physical form factor. Both parts share identical ROHS3 and REACH compliance status. The substitute part is suitable for:

Inventory replenishment when primary part availability is constrained
Circuit designs with voltage headroom that accommodates 50V-rated components
Applications requiring extended component lifecycle assurance through higher voltage margin

Both parts are manufactured by KEMET under the SMD Comm U2J series with active product status, ensuring continued availability and manufacturing consistency.

Frequently Asked Questions (FAQ)

Q: Can C1206C104F5JAC7800 (50V) be used in place of C1206C104F3JAC7800 (25V)?

A: Yes. The substitute part is electrically compatible for direct substitution in circuits designed for 25V operation. The higher voltage rating provides additional safety margin and does not degrade circuit performance. All other electrical and mechanical parameters remain identical.

Q: Are the physical dimensions identical between the main part and substitute?

A: Yes. Both parts use the 1206 (3216 Metric) package with identical dimensions: 0.126" length × 0.063" width × 0.035" maximum thickness. PCB footprints and assembly processes are interchangeable.

Q: Do both parts have the same temperature coefficient?

A: Yes. Both parts feature the U2J temperature coefficient and operate across the identical temperature range of -55°C to 125°C.

Q: What is the tolerance specification for both parts?

A: Both parts are specified at ±1% capacitance tolerance, ensuring equivalent precision in circuit applications.

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

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical regulatory designations (ECCN: EAR99, HTSUS: 8532.24.0020).

Q: What is the moisture sensitivity level for these capacitors?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. Identical package specifications, mounting type (surface mount), and physical dimensions allow direct PCB footprint compatibility and assembly line interchangeability.

Q: What is the difference between the part numbers C1206C104F3JAC7800 and C1206C104F5JAC7800?

A: The primary difference is the voltage rating: F3 designates 25V, while F5 designates 50V. All other specifications remain equivalent.

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