Equivalent & Substitute Parts for 08055C102KA12A

Part Overview

The 08055C102KA12A is a 1000 pF ±10% 50V ceramic capacitor manufactured by KYOCERA AVX with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is classified as Active product status with general purpose applications. The part is RoHS non-compliant and REACH Affected. Finding equivalent and substitute parts is necessary to support design flexibility, ensure supply chain continuity, and accommodate specific application requirements such as higher voltage ratings, improved temperature stability, or enhanced compliance certifications.

Key Parameters

Parameter	Value
Capacitance	1000 pF
Tolerance	±10%
Voltage - Rated	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 08055C102KA12A is determined by the following critical parameters: capacitance value (1000 pF), package type (0805), and mounting technology (Surface Mount MLCC). Parts are grouped into three categories based on allowed variations:

Category 1: Direct Equivalents (Same Voltage, Same Temperature Coefficient) Parts maintaining 50V rating and X7R temperature coefficient with identical or compatible tolerance specifications. These provide direct functional replacement with no circuit redesign required.

Category 2: Voltage Upgrades (Higher Voltage Rating) Parts with elevated voltage ratings (100V, 250V) while maintaining 1000 pF capacitance and 0805 package. These are suitable for applications requiring higher voltage margin or operating in higher voltage environments.

Category 3: Temperature Coefficient Variants (C0G/NP0, X8R) Parts with alternative temperature coefficients (C0G/NP0 for superior stability, X8R for extended temperature range) at 50V or 100V ratings. These address applications with stricter temperature stability or extended operating temperature requirements.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Package	RoHS Status	Inventory
08055C102KA12A	KYOCERA AVX	1000 pF	±10%	50V	X7R	-55°C ~ 125°C	0805	Non-compliant	738 Pcs
0805PC102KAT1A	KYOCERA AVX	1000 pF	±10%	250V	X7R	-55°C ~ 125°C	0805	ROHS3 Compliant	1069 Pcs
KAM21BR71H102KT	KYOCERA AVX	1000 pF	±10%	50V	X7R	-55°C ~ 125°C	0805	ROHS3 Compliant	14502 Pcs
KGM21BCG1H102FT	KYOCERA AVX	1000 pF	±1%	50V	C0G, NP0	-55°C ~ 125°C	0805	ROHS3 Compliant	155542 Pcs
KGM21BCG1H102GT	KYOCERA AVX	1000 pF	±2%	50V	C0G, NP0	-55°C ~ 125°C	0805	ROHS3 Compliant	7526 Pcs
KGM21BCG1H102KT	KYOCERA AVX	1000 pF	±10%	50V	C0G, NP0	-55°C ~ 125°C	0805	ROHS3 Compliant	16216 Pcs
KGM21BCG2A102FT	KYOCERA AVX	1000 pF	±1%	100V	C0G, NP0	-55°C ~ 125°C	0805	ROHS3 Compliant	11450 Pcs
KGM21BCG2A102GT	KYOCERA AVX	1000 pF	±2%	100V	C0G, NP0	-55°C ~ 125°C	0805	ROHS3 Compliant	12604 Pcs
KGM21BCG2A102KT	KYOCERA AVX	1000 pF	±10%	100V	C0G, NP0	-55°C ~ 125°C	0805	ROHS3 Compliant	7045 Pcs
KGM21BR81H102KT	KYOCERA AVX	1000 pF	±10%	50V	X8R	-55°C ~ 150°C	0805	ROHS3 Compliant	11605 Pcs
KGM21NR71H102JM	KYOCERA AVX	1000 pF	±5%	50V	X7R	-55°C ~ 125°C	0805	ROHS3 Compliant	11049 Pcs

Engineering Selection Recommendations

For Direct Replacement with Compliance Upgrade: KAM21BR71H102KT is the primary substitute for 08055C102KA12A. Both parts maintain identical electrical specifications (1000 pF, ±10%, 50V, X7R, -55°C ~ 125°C) and package configuration (0805). KAM21BR71H102KT achieves ROHS3 compliance and REACH Unaffected status, eliminating regulatory constraints of the original part. Inventory availability (14502 Pcs) supports production continuity.

For Voltage Margin Applications: 0805PC102KAT1A provides 250V rated voltage while maintaining 1000 pF capacitance and ±10% tolerance. This part is suitable for circuits requiring higher voltage safety margin. ROHS3 compliance is achieved. Physical thickness increases to 1.30mm (versus 0.94mm original), requiring PCB layout verification.

For Temperature Stability Requirements: KGM21BCG1H102KT (C0G/NP0, ±10%, 50V) or KGM21BCG1H102FT (C0G/NP0, ±1%, 50V) provide superior temperature coefficient stability compared to X7R. C0G/NP0 temperature coefficient ensures minimal capacitance variation across the -55°C ~ 125°C operating range. Both achieve ROHS3 compliance. Select ±1% tolerance variant for precision applications.

For Extended Temperature Range: KGM21BR81H102KT extends operating temperature to -55°C ~ 150°C using X8R temperature coefficient while maintaining 50V rating and ±10% tolerance. This part supports high-temperature environments beyond standard X7R specifications. ROHS3 compliance is achieved.

For Higher Voltage with Temperature Stability: KGM21BCG2A102FT or KGM21BCG2A102GT provide 100V rating with C0G/NP0 temperature coefficient. These parts combine voltage margin with superior temperature stability. Available in ±1% (FT) and ±2% (GT) tolerance options. ROHS3 compliance is achieved.

Frequently Asked Questions (FAQ)

Q: Can KAM21BR71H102KT directly replace 08055C102KA12A without circuit modification? A: Yes. Both parts share identical electrical parameters (1000 pF, ±10%, 50V, X7R) and 0805 package dimensions. Direct PCB substitution is supported. The primary difference is compliance status upgrade (ROHS3 Compliant versus non-compliant).

Q: What is the physical difference between 08055C102KA12A and 0805PC102KAT1A? A: Both use 0805 package with identical length (0.079") and width (0.049"). Maximum thickness differs: 08055C102KA12A is 0.037" (0.94mm), while 0805PC102KAT1A is 0.051" (1.30mm). Verify PCB clearance for the thicker variant before substitution.

Q: When should C0G/NP0 temperature coefficient be selected over X7R? A: C0G/NP0 provides superior temperature stability with minimal capacitance drift across temperature extremes. Select C0G/NP0 for precision timing circuits, filters, or applications where capacitance tolerance must remain within specification across the full -55°C ~ 125°C range. X7R is acceptable for general purpose applications with relaxed tolerance requirements.

Q: Is KGM21BR81H102KT suitable for applications exceeding 125°C? A: KGM21BR81H102KT extends operating temperature to 150°C using X8R temperature coefficient. This part is suitable for high-temperature environments. Verify circuit design supports the extended temperature range and X8R temperature coefficient characteristics.

Q: What compliance certifications are achieved by substitute parts? A: All substitute parts listed (KAM21BR71H102KT, KGM21BCG series, KGM21BR81H102KT, KGM21NR71H102JM) achieve ROHS3 compliance and REACH Unaffected status. The original 08055C102KA12A is RoHS non-compliant and REACH Affected. Substitution eliminates regulatory compliance constraints.

Q: Can 0805PC102KAT1A be used in circuits designed for 50V operation? A: Yes. 0805PC102KAT1A is rated for 250V, which exceeds the 50V circuit requirement. The part operates safely at lower voltages. This substitution provides voltage margin for circuit protection. No circuit modification is required.

Q: Are all substitute parts available in Tape & Reel (TR) packaging? A: Yes. All substitute parts listed are supplied in Tape & Reel packaging, matching the original part's packaging format for automated assembly compatibility.

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