ECJ-2FB2D682K Equivalent & Substitute Parts

Part Overview

The ECJ-2FB2D682K is a 6800 pF ceramic capacitor rated at 200V with X7R temperature coefficient in 0805 (2012 Metric) surface mount package, manufactured by Panasonic Electronic Components. This part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The X7R dielectric provides stable capacitance across the operating temperature range of -55°C to 125°C, suitable for general-purpose bypass and decoupling applications.

Key Parameters

Parameter	Value
Capacitance	6800 pF
Tolerance	±10%
Voltage Rating	200V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the ECJ-2FB2D682K is determined by strict equivalence in the following parameters:

Capacitance: 6800 pF (exact match required)
Tolerance: ±10% (direct substitutes maintain this tolerance)
Voltage Rating: 200V minimum (equal or higher voltage ratings are acceptable)
Temperature Coefficient: X7R (required for thermal stability equivalence)
Package / Case: 0805 (2012 Metric) (physical and electrical compatibility)
Operating Temperature: -55°C to 125°C (minimum requirement)
Mounting Type: Surface Mount, MLCC (assembly compatibility)
Moisture Sensitivity Level: 1 (Unlimited) (handling and storage equivalence)

Direct substitutes maintain all parameters at the 200V rating. Upgrade substitutes offer higher voltage ratings (250V or 500V) or improved tolerance (±5%) while maintaining all other core specifications. All substitute parts are active products with current availability.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	Product Status	RoHS Status
ECJ-2FB2D682K	Panasonic Electronic Components	6800 pF	±10%	200V	X7R	0805 (2012 Metric)	1.40mm	Obsolete	Not specified
0805J2000682KXT	Knowles Syfer	6800 pF	±10%	200V	X7R	0805 (2012 Metric)	1.30mm	Active	ROHS3 Compliant
C0805C682K2RAC7800	KEMET	6800 pF	±10%	200V	X7R	0805 (2012 Metric)	0.88mm	Active	ROHS3 Compliant
C0805C682K2RAL7800	KEMET	6800 pF	±10%	200V	X7R	0805 (2012 Metric)	0.88mm	Active	RoHS non-compliant
CC0805KKX7RABB682	YAGEO	6800 pF	±10%	200V	X7R	0805 (2012 Metric)	1.45mm	Active	ROHS3 Compliant
KGM21AR72D682KU	KYOCERA AVX	6800 pF	±10%	200V	X7R	0805 (2012 Metric)	1.45mm	Active	ROHS3 Compliant
0805J2000682JXT	Knowles Syfer	6800 pF	±5%	200V	X7R	0805 (2012 Metric)	1.30mm	Active	ROHS3 Compliant
0805J2500682JXT	Knowles Syfer	6800 pF	±5%	250V	X7R	0805 (2012 Metric)	1.30mm	Active	ROHS3 Compliant
0805J2500682KXT	Knowles Syfer	6800 pF	±10%	250V	X7R	0805 (2012 Metric)	1.30mm	Active	ROHS3 Compliant
0805J5000682JXT	Knowles Syfer	6800 pF	±5%	500V	X7R	0805 (2012 Metric)	1.30mm	Active	ROHS3 Compliant
0805J5000682KXT	Knowles Syfer	6800 pF	±10%	500V	X7R	0805 (2012 Metric)	1.30mm	Active	ROHS3 Compliant

Engineering Selection Recommendations

For direct replacement of the obsolete ECJ-2FB2D682K at 200V rating with ±10% tolerance, the following active parts are suitable:

0805J2000682KXT (Knowles Syfer), C0805C682K2RAC7800 (KEMET), CC0805KKX7RABB682 (YAGEO), and KGM21AR72D682KU (KYOCERA AVX) all provide electrical and mechanical equivalence. All direct substitutes are ROHS3 compliant except C0805C682K2RAL7800, which is RoHS non-compliant but remains available for legacy applications.

For applications requiring improved tolerance performance, 0805J2000682JXT offers ±5% tolerance at 200V rating while maintaining all other specifications.

For applications with higher voltage margin requirements, upgrade options include 0805J2500682JXT and 0805J2500682KXT at 250V rating, or 0805J5000682JXT and 0805J5000682KXT at 500V rating. These upgrades maintain the 6800 pF capacitance and X7R temperature coefficient while providing additional voltage headroom.

All recommended substitutes maintain MSL 1 (Unlimited) moisture sensitivity rating and are available in active production status with current inventory.

Frequently Asked Questions (FAQ)

Q: Can I use a 250V or 500V rated capacitor in place of the 200V ECJ-2FB2D682K?

A: Yes. Higher voltage ratings are electrically compatible substitutes. The 250V and 500V upgrade options (0805J2500682JXT, 0805J2500682KXT, 0805J5000682JXT, 0805J5000682KXT) maintain identical capacitance, tolerance, temperature coefficient, and package specifications while providing additional voltage margin.

Q: What is the difference between ±10% and ±5% tolerance parts?

A: Tolerance defines the acceptable capacitance variation from the nominal 6800 pF value. ±10% allows 6120 pF to 7480 pF, while ±5% allows 6460 pF to 7140 pF. Applications requiring tighter capacitance control should use ±5% tolerance parts such as 0805J2000682JXT.

Q: Are all substitute parts RoHS compliant?

A: Most active substitutes are ROHS3 compliant. The exception is C0805C682K2RAL7800 (KEMET), which is RoHS non-compliant. For applications requiring RoHS compliance, select from the ROHS3 compliant options.

Q: Does package thickness affect PCB assembly compatibility?

A: All parts use the 0805 (2012 Metric) package with maximum thickness ranging from 0.88mm to 1.45mm. Verify PCB design clearance specifications. KEMET parts (C0805C682K2RAC7800, C0805C682K2RAL7800) offer the lowest profile at 0.88mm maximum thickness.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed parts maintain this rating, ensuring consistent handling and storage procedures across substitutes.

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