08051C182MAT2A Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The 08051C182MAT2A is a 1800 pF ceramic capacitor manufactured by KYOCERA AVX, rated for 100V with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified based on matching capacitance, voltage rating, package dimensions, and temperature coefficient specifications to ensure functional compatibility in circuit applications.

Key Parameters

Parameter	Value
Capacitance	1800 pF
Tolerance	±20%
Voltage Rating	100V
Temperature Coefficient	X7R
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 08051C182MAT2A is determined by the following criteria:

Primary Matching Parameters:

Capacitance value: 1800 pF (exact match required)
Package: 0805 (2012 Metric) surface mount (exact match required)
Voltage rating: 100V minimum (equal or higher acceptable)
Temperature coefficient: X7R or C0G/NP0 (both acceptable for general purpose applications)
Tolerance: ±20%, ±10%, or ±5% (tighter tolerance acceptable)
Operating temperature: -55°C ~ 125°C (exact match required)
RoHS compliance: ROHS3 (maintained across all substitutes)

Substitution Categories:

Direct X7R Equivalents (100V): Same temperature coefficient, voltage, and tolerance specifications
Upgraded X7R Variants (Higher Voltage): X7R temperature coefficient with 200V or higher rating
C0G/NP0 Alternatives (100V-250V): Superior temperature stability with tighter tolerance, available at 100V or 250V ratings
Manufacturer Alternatives: Different manufacturers offering identical or superior specifications

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Product Status	Inventory
08051C182MAT2A	KYOCERA AVX	1800 pF	±20%	100V	X7R	0805	Active	876 Pcs
08051C182KAT2A	KYOCERA AVX	1800 pF	±10%	100V	X7R	0805	Active	63659 Pcs
C0805C182J1GAC7800	KEMET	1800 pF	±5%	100V	C0G, NP0	0805	Active	7656 Pcs
C0805C182JAGAC7800	KEMET	1800 pF	±5%	250V	C0G, NP0	0805	Active	12222 Pcs
C0805C182K1RAC7800	KEMET	1800 pF	±10%	100V	X7R	0805	Active	9301 Pcs
C0805C182K2RAC7800	KEMET	1800 pF	±10%	200V	X7R	0805	Active	4807 Pcs
CC0805KRX7R0BB182	YAGEO	1800 pF	±10%	100V	X7R	0805	Active	16535 Pcs
CL21B182KDCNNNC	Samsung Electro-Mechanics	1800 pF	±10%	200V	X7R	0805	Active	1010 Pcs
C2012C0G2A182J085AA	TDK Corporation	1800 pF	±5%	100V	C0G, NP0	0805	Active	9928 Pcs
C2012C0G2A182K085AA	TDK Corporation	1800 pF	±10%	100V	C0G, NP0	0805	Not For New Designs	6667 Pcs
C2012C0G2E182J125AA	TDK Corporation	1800 pF	±5%	250V	C0G, NP0	0805	Active	6164 Pcs

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): Select 08051C182KAT2A (KYOCERA AVX) or C0805C182K1RAC7800 (KEMET) or CC0805KRX7R0BB182 (YAGEO). All three maintain 100V X7R specifications with improved ±10% tolerance. High inventory availability supports production requirements.

For Enhanced Tolerance Requirements: C0805C182J1GAC7800 (KEMET), C2012C0G2A182J085AA (TDK), or C0805C182JAGAC7800 (KEMET) provide ±5% tolerance with C0G/NP0 temperature coefficient, offering superior frequency and temperature stability. These are suitable for precision applications requiring tighter capacitance control.

For Higher Voltage Margin: C0805C182K2RAC7800 (KEMET, 200V X7R), CL21B182KDCNNNC (Samsung, 200V X7R), or C0805C182JAGAC7800 (KEMET, 250V C0G) provide increased voltage headroom while maintaining 0805 package compatibility. These are appropriate for circuits requiring design margin above 100V nominal operation.

Product Status Consideration: C2012C0G2A182K085AA (TDK) carries "Not For New Designs" status and should be avoided for new circuit development. All other listed substitutes maintain "Active" product status.

Compliance Verification: All substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity rating (MSL 1), and -55°C ~ 125°C operating temperature range consistent with the original 08051C182MAT2A specification.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher voltage rating than the original 100V specification?

A: Yes. Higher voltage-rated capacitors (200V or 250V) are electrically compatible and provide additional design margin. The circuit will function correctly as the capacitor will operate below its rated voltage. Verify that physical dimensions remain within PCB layout constraints.

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

A: X7R capacitors exhibit ±15% capacitance change across the -55°C ~ 125°C operating range. C0G/NP0 capacitors maintain ±0.3% change across the same range, providing superior frequency and temperature stability. Both are acceptable substitutes; C0G/NP0 is preferred for precision applications.

Q: Are tolerance differences (±20%, ±10%, ±5%) significant for substitution?

A: Tighter tolerance (lower percentage) is always acceptable as a substitute. A ±10% part can replace a ±20% part without functional impact. Tolerance selection depends on circuit requirements; general purpose applications typically accept ±10% or ±20%, while precision circuits require ±5%.

Q: Does the 0805 package dimension remain identical across all substitute parts?

A: Yes. All listed substitutes use the 0805 (2012 Metric) package with identical footprint: 0.079" L x 0.049" W (2.00mm x 1.25mm). Thickness varies slightly (0.028" to 0.057") but remains within standard PCB assembly tolerances and does not affect mounting compatibility.

Q: Can I substitute parts from different manufacturers?

A: Yes. KYOCERA AVX, KEMET, YAGEO, Samsung Electro-Mechanics, and TDK Corporation all manufacture equivalent 1800 pF 0805 ceramic capacitors meeting the specified parameters. Verify that your procurement and supply chain processes support the selected manufacturer.

Q: What inventory considerations should guide my selection?

A: 08051C182KAT2A (KYOCERA AVX) offers the highest inventory at 63,659 pieces, followed by CC0805KRX7R0BB182 (YAGEO) at 16,535 pieces. For long-term production, higher inventory availability reduces supply chain risk. CL21B182KDCNNNC (Samsung) has limited inventory at 1,010 pieces and may not support high-volume requirements.

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