ECJ-0EB1C682K Equivalent & Substitute Parts

Part Overview

The ECJ-0EB1C682K is a 6800 pF ceramic capacitor manufactured by Panasonic Electronic Components with X7R temperature coefficient, rated for 16V operation in 0402 (1005 Metric) surface mount package. This part is classified as Obsolete, making equivalent and substitute parts necessary for ongoing production and design requirements. The part operates across -55°C to 125°C temperature range with ±10% capacitance tolerance and MSL 1 moisture sensitivity rating.

Key Parameters

Parameter	Value
Capacitance	6800 pF
Voltage Rating	16V
Tolerance	±10%
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0402 (1005 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for ECJ-0EB1C682K is determined by strict electrical and mechanical compatibility. The following parameters must match or exceed the original specification:

Capacitance value: 6800 pF (exact match required)
Voltage rating: minimum 16V (equal or higher acceptable)
Temperature coefficient: X7R (maintains capacitance stability across operating range)
Package: 0402 (1005 Metric) surface mount (physical and electrical compatibility)
Tolerance: ±10% or tighter (±5% acceptable as upgrade)
Operating temperature: -55°C to 125°C minimum
Moisture sensitivity: MSL 1 (unlimited)

Substitute parts are grouped by voltage rating and tolerance specifications. Parts with higher voltage ratings (25V, 50V) are electrically compatible as they provide design margin. Parts with tighter tolerance (±5%) are compatible as they provide improved performance. All substitute parts maintain identical physical dimensions and mounting characteristics.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Temp Coeff	Package	Product Status	RoHS Status
ECJ-0EB1C682K	Panasonic	6800 pF	16V	±10%	X7R	0402	Obsolete	Not specified
AC0402KRX7R7BB682	YAGEO	6800 pF	16V	±10%	X7R	0402	Active	ROHS3 Compliant
C0402C682J3RAC7867	KEMET	6800 pF	25V	±5%	X7R	0402	Active	ROHS3 Compliant
C0402C682J4RAC7867	KEMET	6800 pF	16V	±5%	X7R	0402	Active	ROHS3 Compliant
C0402C682J5RAC7867	KEMET	6800 pF	50V	±5%	X7R	0402	Active	ROHS3 Compliant
C0402C682K3RAC7867	KEMET	6800 pF	25V	±10%	X7R	0402	Active	ROHS3 Compliant
C0402C682K4RECAUTO	KEMET	6800 pF	16V	±10%	X7R	0402	Active	ROHS3 Compliant
C0402C682K4RECAUTO7411	KEMET	6800 pF	16V	±10%	X7R	0402	Active	ROHS3 Compliant
C0402C682K5RAC7867	KEMET	6800 pF	50V	±10%	X7R	0402	Active	ROHS3 Compliant
C1005X8R1H682K050BB	TDK Corporation	6800 pF	50V	±10%	X8R	0402	Not For New Designs	ROHS3 Compliant
CC0402JRX7R9BB682	YAGEO	6800 pF	50V	±5%	X7R	0402	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Identical Specifications): AC0402KRX7R7BB682 (YAGEO) and C0402C682K4RECAUTO / C0402C682K4RECAUTO7411 (KEMET) provide direct electrical and mechanical equivalence to ECJ-0EB1C682K. All three maintain 6800 pF capacitance, 16V voltage rating, ±10% tolerance, and X7R temperature coefficient. YAGEO AC0402KRX7R7BB682 is Active status with AEC-Q200 automotive qualification. KEMET C0402C682K4RECAUTO variants are Active status with AEC-Q200 automotive qualification and ESD protection features.

Higher Voltage Substitutes (Design Margin): C0402C682K3RAC7867 (25V, ±10%), C0402C682K5RAC7867 (50V, ±10%), C0402C682J3RAC7867 (25V, ±5%), C0402C682J5RAC7867 (50V, ±5%), and CC0402JRX7R9BB682 (50V, ±5%) provide increased voltage margin while maintaining identical capacitance and package. These are suitable where circuit design permits higher voltage ratings. All are Active status with ROHS3 compliance.

Tighter Tolerance Substitutes: C0402C682J4RAC7867 (16V, ±5%) offers improved capacitance tolerance while maintaining identical voltage rating and package. This part is Active status with ROHS3 compliance.

Not Recommended for New Designs: C1005X8R1H682K050BB (TDK) uses X8R temperature coefficient instead of X7R, resulting in different capacitance stability characteristics. Product status is Not For New Designs. This part is not recommended as a substitute.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher voltage rating than the original ECJ-0EB1C682K? A: Yes. A 25V or 50V rated capacitor is electrically compatible in a circuit designed for 16V operation. Higher voltage ratings provide design margin and do not affect circuit function when capacitance and tolerance specifications match.

Q: What is the difference between ±10% and ±5% tolerance? A: Tolerance specifies the allowable deviation from the nominal 6800 pF value. ±10% allows 6120 pF to 7480 pF; ±5% allows 6460 pF to 7140 pF. Tighter tolerance (±5%) provides more precise capacitance but does not affect basic circuit compatibility.

Q: Are X7R and X8R temperature coefficients interchangeable? A: No. X7R maintains ±15% capacitance change across -55°C to 125°C. X8R maintains ±15% capacitance change across -55°C to 150°C with different stability characteristics. Use X7R substitutes only unless circuit design specifically requires X8R performance.

Q: What does AEC-Q200 qualification mean? A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts meeting this standard are suitable for automotive applications. Non-automotive qualified parts may be used in general purpose applications.

Q: Does packaging format affect substitution? A: All substitute parts listed use identical 0402 (1005 Metric) surface mount package. Physical dimensions, footprint, and reflow soldering characteristics are identical. Packaging format does not restrict substitution among these parts.

Q: What is MSL 1 moisture sensitivity? A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All substitute parts maintain MSL 1 rating.

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