Equivalent & Substitute Parts for 08055C682KAJ2A

Part Overview

The 08055C682KAJ2A is a 6800 pF ceramic capacitor manufactured by KYOCERA AVX, rated at 50V with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is Active status and widely used in general purpose applications. Substitute parts are necessary to address supply chain availability, compliance requirements, or packaging preferences while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	6800 pF
Tolerance	±10%
Voltage Rating	50V
Temperature Coefficient	X7R
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Direct Substitutes (Same Electrical Specifications):

Capacitance: 6800 pF (exact match required)
Tolerance: ±10% (exact match required)
Voltage Rating: 50V (exact match required)
Temperature Coefficient: X7R (exact match required)
Package: 0805 (2012 Metric) (exact match required)
Operating Temperature: -55°C ~ 125°C (exact match required)

Upgrade Substitutes (Enhanced Specifications):

Improved tolerance (±5% instead of ±10%)
Higher voltage rating (100V instead of 50V)
Different temperature coefficient (C0G/NP0 instead of X7R)
Enhanced compliance status (RoHS3 Compliant vs. RoHS non-compliant)

All substitute parts maintain identical capacitance, package form factor, and mounting type. Physical dimensions remain within acceptable tolerance for PCB assembly compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Thickness (Max)	RoHS Status	Packaging
08055C682KAJ2A	KYOCERA AVX	6800 pF	±10%	50V	X7R	0.037" (0.94mm)	RoHS non-compliant	Bulk
KGM21NR71H682JT	KYOCERA AVX	6800 pF	±5%	50V	X7R	0.039" (1.00mm)	RoHS3 Compliant	Tape & Reel
KGM21NR71H682KT	KYOCERA AVX	6800 pF	±10%	50V	X7R	0.039" (1.00mm)	RoHS3 Compliant	Tape & Reel
0805B682K500CT	Walsin Technology Corporation	6800 pF	±10%	50V	X7R	0.035" (0.90mm)	RoHS3 Compliant	Tape & Reel
C0805C682K5RAC7800	KEMET	6800 pF	±10%	50V	X7R	0.035" (0.88mm)	RoHS3 Compliant	Tape & Reel
CC0805KRX7R9BB682	YAGEO	6800 pF	±10%	50V	X7R	0.024" (0.60mm)	RoHS3 Compliant	Cut Tape & Digi-Reel
VJ0805Y682KXACW1BC	Vishay Vitramon	6800 pF	±10%	50V	X7R	0.037" (0.95mm)	RoHS3 Compliant	Tape & Reel
C0805C682J5GAC7800	KEMET	6800 pF	±5%	50V	C0G, NP0	0.035" (0.88mm)	RoHS3 Compliant	Tape & Reel
C0805C682J5RAC7800	KEMET	6800 pF	±5%	50V	X7R	0.035" (0.88mm)	RoHS3 Compliant	Tape & Reel
C0805C682J1GAC7800	KEMET	6800 pF	±5%	100V	C0G, NP0	0.035" (0.88mm)	RoHS3 Compliant	Tape & Reel
C0805C682J1RAC7800	KEMET	6800 pF	±5%	100V	X7R	0.035" (0.88mm)	RoHS3 Compliant	Tape & Reel

Engineering Selection Recommendations

Direct Electrical Equivalents (Same Specifications):

KGM21NR71H682KT (KYOCERA AVX): Identical electrical specifications with RoHS3 compliance and higher inventory availability
0805B682K500CT (Walsin): Direct equivalent with RoHS3 compliance and reduced thickness profile
C0805C682K5RAC7800 (KEMET): Direct equivalent with RoHS3 compliance, suitable for bypass and decoupling applications
CC0805KRX7R9BB682 (YAGEO): Direct equivalent with RoHS3 compliance and minimal thickness (0.60mm)
VJ0805Y682KXACW1BC (Vishay Vitramon): Direct equivalent with RoHS3 compliance

Upgraded Tolerance Options (±5% instead of ±10%):

KGM21NR71H682JT (KYOCERA AVX): Same manufacturer, improved tolerance, RoHS3 compliant
C0805C682J5RAC7800 (KEMET): Improved tolerance with X7R coefficient, RoHS3 compliant

Higher Voltage Rating Options (100V instead of 50V):

C0805C682J1RAC7800 (KEMET): 100V rating with ±5% tolerance and X7R coefficient, RoHS3 compliant
C0805C682J1GAC7800 (KEMET): 100V rating with ±5% tolerance and C0G/NP0 coefficient, RoHS3 compliant

All substitute parts maintain Active product status and are available in production quantities.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with ±5% tolerance instead of ±10%? A: Yes. A ±5% tolerance part is a direct upgrade and will function identically in the circuit while providing tighter capacitance control. The original design specifications will continue to be met.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R provides ±15% capacitance variation across the operating temperature range (-55°C to 125°C). C0G/NP0 provides ±30 ppm/°C, resulting in minimal capacitance drift. C0G/NP0 is preferred for precision applications; X7R is suitable for general purpose filtering and decoupling.

Q: Can I use a 100V rated capacitor in place of a 50V rated capacitor? A: Yes. A higher voltage rating provides additional safety margin and is electrically compatible. The capacitor will function correctly in circuits designed for 50V operation.

Q: Does package thickness affect PCB assembly compatibility? A: All substitute parts use the 0805 (2012 Metric) package with thickness variations between 0.60mm and 1.00mm. These variations are within standard PCB assembly tolerances and do not affect reflow soldering or component placement.

Q: What is the significance of RoHS3 compliance? A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances regulations. The original part (08055C682KAJ2A) is RoHS non-compliant. All listed substitutes with RoHS3 compliance are suitable for applications requiring regulatory compliance.

Q: Are tape and reel packaged parts compatible with bulk packaged designs? A: Yes. Tape and reel packaging is the standard for automated assembly. The individual components are identical; only the packaging format differs. Tape and reel is preferred for production environments.

Q: What does Moisture Sensitivity Level (MSL) 1 mean? A: MSL 1 indicates unlimited shelf life without moisture baking requirements. The component can be stored and handled without special moisture control procedures.

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