08055C102JAT2M Equivalent & Substitute Parts

Part Overview

The 08055C102JAT2M is a 1000 pF ±5% 50V ceramic capacitor manufactured by KYOCERA AVX with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is Active status and ROHS3 compliant. Substitute parts are identified based on matching capacitance, voltage rating, package dimensions, and compliance certifications while allowing variations in temperature coefficient, tolerance, and manufacturer.

Key Parameters

Parameter	Value
Capacitance	1000 pF
Tolerance	±5%
Voltage - Rated	50V
Temperature Coefficient	X7R
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution logic is based on the following criteria:

Primary Matching Parameters (Required for Direct Substitution):

Capacitance: 1000 pF (exact match required)
Package / Case: 0805 (2012 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)

Allowed Variation Parameters:

Voltage - Rated: 50V or higher (uprating permitted)
Temperature Coefficient: X7R or C0G/NP0 (both acceptable for general purpose applications)
Tolerance: ±1%, ±2%, or ±5% (tighter tolerance acceptable)
Manufacturer: KYOCERA AVX, Walsin Technology Corporation, KEMET (all ROHS3 compliant)

Substitute parts are grouped into three categories: KYOCERA AVX upgrades with improved temperature coefficient (C0G/NP0) or higher voltage rating, KYOCERA AVX direct equivalents with same specifications, and cross-manufacturer direct equivalents from Walsin and KEMET.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness	Status
08055C102JAT2M	KYOCERA AVX	1000 pF	±5%	50V	X7R	0805	0.037"	Active
KGM21BCG1H102FT	KYOCERA AVX	1000 pF	±1%	50V	C0G/NP0	0805	0.037"	Active
KGM21BCG1H102GT	KYOCERA AVX	1000 pF	±2%	50V	C0G/NP0	0805	0.037"	Active
KGM21BCG2A102FT	KYOCERA AVX	1000 pF	±1%	100V	C0G/NP0	0805	0.037"	Active
KGM21BCG2A102GT	KYOCERA AVX	1000 pF	±2%	100V	C0G/NP0	0805	0.037"	Active
KGM21NR71H102JM	KYOCERA AVX	1000 pF	±5%	50V	X7R	0805	0.039"	Active
KGM21NR71H102JT	KYOCERA AVX	1000 pF	±5%	50V	X7R	0805	0.039"	Active
KGM21NR72A102JT	KYOCERA AVX	1000 pF	±5%	100V	X7R	0805	0.039"	Active
KGM21NR72D102JT	KYOCERA AVX	1000 pF	±5%	200V	X7R	0805	0.039"	Active
0805B102J500CT	Walsin Technology	1000 pF	±5%	50V	X7R	0805	0.035"	Active
C0805C102J5RAC7800	KEMET	1000 pF	±5%	50V	X7R	0805	0.035"	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, meeting regulatory requirements for new designs. Selection between substitutes depends on application-specific requirements:

For Direct Replacement (Same Specifications): KGM21NR71H102JT (KYOCERA AVX) and C0805C102J5RAC7800 (KEMET) provide identical electrical specifications to the 08055C102JAT2M with high inventory availability. 0805B102J500CT (Walsin) offers equivalent performance with alternative sourcing.

For Improved Tolerance: KGM21BCG1H102FT and KGM21BCG1H102GT provide ±1% and ±2% tolerance respectively with C0G/NP0 temperature coefficient, suitable for applications requiring tighter capacitance control.

For Voltage Margin: KGM21NR72A102JT (100V) and KGM21NR72D102JT (200V) provide higher voltage ratings while maintaining identical capacitance and X7R temperature coefficient, applicable where circuit voltage stress margins require derating.

All substitutes are certified ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity, ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 08055C102JAT2M with a higher voltage rated part? A: Yes. Parts rated 100V or 200V are direct substitutes for 50V applications. Higher voltage rating provides additional safety margin without affecting capacitance or tolerance specifications. Verify PCB layout accommodates potential thickness variations (0.039" vs 0.037").

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R provides ±15% capacitance variation across -55°C to 125°C operating range. C0G/NP0 provides ±30 ppm/°C (approximately ±0.3% across the same range), offering superior stability. Both are acceptable for general purpose applications; C0G/NP0 is preferred for precision circuits.

Q: Are KEMET and Walsin parts fully compatible with KYOCERA AVX? A: Yes, for this capacitance and package. All three manufacturers produce 1000 pF 0805 X7R capacitors meeting identical electrical specifications, ROHS3 compliance, and MSL 1 rating. Verify with your procurement system for supply chain continuity.

Q: Does tolerance affect substitution? A: Tighter tolerance (±1% or ±2%) is acceptable as a substitute for ±5%. Looser tolerance is not recommended. Select based on circuit requirements for capacitance accuracy.

Q: What is the impact of thickness variation (0.037" vs 0.039")? A: Thickness difference of 0.002" is within standard PCB assembly tolerances. Verify with your assembly partner if height-constrained applications exist. Both thicknesses are standard for 0805 package.

Q: Can I mix manufacturers in the same design? A: Yes, provided all parts meet the same electrical specifications, package dimensions, and compliance certifications. Verify with your quality and supply chain procedures for approved supplier lists.

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