1206AC101MAT1A Ceramic Capacitor - Equivalent & Substitute Parts

Part Overview

The 1206AC101MAT1A is a 100 pF, 1000V (1kV) ceramic capacitor manufactured by KYOCERA AVX with X7R temperature coefficient, housed in a 1206 (3216 Metric) surface mount package. This component is classified as Active and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and regulatory compliance can be maintained across alternative manufacturers or enhanced specifications within the same package footprint.

Key Parameters

Parameter	Value
Capacitance	100 pF
Tolerance	±20%
Voltage - Rated	1000V (1kV)
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Compatibility Requirements:

Capacitance value: 100 pF (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
Operating Temperature Range: -55°C ~ 125°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Allowable Variations:

Voltage - Rated: Equal to or greater than 1000V
Tolerance: Equal to or tighter than ±20%
Temperature Coefficient: X7R, X7S, C0G, or NP0 (all acceptable for general purpose applications)
Manufacturer: Any qualified manufacturer

The substitute parts listed below meet all primary compatibility requirements and maintain or improve upon the electrical specifications of the main part.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage - Rated	Temperature Coefficient	Package	Thickness (Max)	RoHS Status
1206AC101MAT1A	KYOCERA AVX	100 pF	±20%	1000V (1kV)	X7R	1206 (3216 Metric)	0.071" (1.80mm)	ROHS3 Compliant
1206AA101JAT1A	KYOCERA AVX	100 pF	±5%	1000V (1kV)	C0G, NP0	1206 (3216 Metric)	0.057" (1.45mm)	ROHS3 Compliant
1206AC101KAT1A	KYOCERA AVX	100 pF	±10%	1000V (1kV)	X7R	1206 (3216 Metric)	0.071" (1.80mm)	ROHS3 Compliant
1206GC101KAT1A	KYOCERA AVX	100 pF	±10%	2000V (2kV)	X7R	1206 (3216 Metric)	0.071" (1.80mm)	ROHS3 Compliant
1206SA101KAT1A	KYOCERA AVX	100 pF	±10%	1500V (1.5kV)	C0G, NP0	1206 (3216 Metric)	0.057" (1.45mm)	ROHS3 Compliant
VPDD102W101K1GV001E	Johanson Dielectrics Inc.	100 pF	±10%	1000V (1kV)	X7R	1206 (3216 Metric)	0.067" (1.70mm)	ROHS3 Compliant
C3216X7S3D101K085AA	TDK Corporation	100 pF	±10%	2000V (2kV)	X7S	1206 (3216 Metric)	0.039" (1.00mm)	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance. Selection among substitutes depends on application-specific requirements:

For direct replacement with identical specifications: 1206AC101KAT1A offers the same X7R temperature coefficient and 1000V rating with tighter tolerance (±10% vs. ±20%), maintaining identical thickness.

For improved tolerance performance: 1206AA101JAT1A provides ±5% tolerance with C0G/NP0 temperature coefficient and reduced thickness (0.057" vs. 0.071"), suitable for precision applications requiring stable capacitance across temperature ranges.

For elevated voltage margin: 1206GC101KAT1A and C3216X7S3D101K085AA both provide 2000V rating in the same package, with C3216X7S3D101K085AA offering significantly reduced thickness (0.039").

For cross-manufacturer compatibility: VPDD102W101K1GV001E from Johanson Dielectrics Inc. matches the 1000V, X7R specification with equivalent thickness tolerance, providing supply chain flexibility.

Frequently Asked Questions (FAQ)

Q: Can 1206AC101KAT1A replace 1206AC101MAT1A directly? A: Yes. Both parts share identical capacitance (100 pF), voltage rating (1000V), temperature coefficient (X7R), package (1206), and thickness (0.071"). The substitute offers improved tolerance (±10% vs. ±20%).

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R provides ±15% capacitance change across the operating temperature range. C0G/NP0 provides superior stability with minimal capacitance change across temperature. Both are acceptable for general purpose applications; C0G/NP0 is preferred for precision circuits.

Q: Can I use a 2000V rated part in place of a 1000V requirement? A: Yes. Parts rated for higher voltage (1206GC101KAT1A at 2000V, C3216X7S3D101K085AA at 2000V) are electrically compatible with 1000V applications. Verify PCB layout and thermal management remain adequate.

Q: Does thickness variation affect PCB assembly? A: Thickness differences (ranging from 0.039" to 0.071" among substitutes) may impact reflow profile and component placement. Verify compatibility with assembly equipment and solder paste volume before substitution.

Q: Are all substitutes available in the same packaging format? A: No. 1206AC101MAT1A and most substitutes are supplied in Tape & Reel (TR). 1206GC101KAT1A is supplied in Cut Tape (CT) & Digi-Reel®. Verify packaging compatibility with procurement and assembly processes.

Q: What does ROHS3 compliance mean? A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. All listed substitutes maintain this compliance.

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