ECJ-2VC2A681J Equivalent & Substitute Parts

Part Overview

The ECJ-2VC2A681J is a 680 pF ±5% 100V ceramic capacitor in C0G/NP0 dielectric, 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. Substitute parts must maintain identical electrical specifications (680 pF capacitance, 100V rated voltage, C0G/NP0 temperature coefficient) and mechanical compatibility (0805 package, surface mount MLCC mounting type) to ensure direct replacement without circuit redesign.

Key Parameters

Parameter	Value
Capacitance	680 pF
Tolerance	±5%
Voltage - Rated	100V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Critical Parameters (Must Match Exactly):

Capacitance: 680 pF
Voltage - Rated: 100V
Temperature Coefficient: C0G, NP0
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount, MLCC
Operating Temperature Range: -55°C ~ 125°C
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

Tolerance: ±5% (direct substitutes) or ±1% (upgrade substitutes with improved tolerance)
Thickness: Minor variations acceptable within mechanical constraints (0.028" to 0.037")
Product Status: Active or Not For New Designs acceptable; Obsolete parts excluded
Packaging: Tape & Reel (TR) standard for all substitutes

All substitute parts listed below meet these criteria and are electrically and mechanically interchangeable with the ECJ-2VC2A681J.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Product Status	Inventory
ECJ-2VC2A681J	Panasonic	680 pF	±5%	100V	C0G, NP0	0805	0.037" (0.95mm)	Obsolete	1102 Pcs
C0805C681J1GAC7800	KEMET	680 pF	±5%	100V	C0G, NP0	0805	0.035" (0.88mm)	Active	15233 Pcs
CC0805JPNPO0BN681	YAGEO	680 pF	±5%	100V	C0G, NP0	0805	0.028" (0.70mm)	Active	1046 Pcs
CC0805JRNPO0BN681	YAGEO	680 pF	±5%	100V	C0G, NP0	0805	0.028" (0.70mm)	Active	7381 Pcs
GRM2195C2A681JA01D	Murata Electronics	680 pF	±5%	100V	C0G, NP0	0805	0.037" (0.95mm)	Not For New Designs	12308 Pcs
KGM21BCG2A681JM	KYOCERA AVX	680 pF	±5%	100V	C0G, NP0	0805	0.037" (0.94mm)	Active	640 Pcs
KGM21BCG2A681JT	KYOCERA AVX	680 pF	±5%	100V	C0G, NP0	0805	0.037" (0.94mm)	Active	25554 Pcs
VJ0805A681JXBCW1BC	Vishay Vitramon	680 pF	±5%	100V	C0G, NP0	0805	0.035" (0.90mm)	Active	4845 Pcs
VJ0805A681JXBPW1BC	Vishay Vitramon	680 pF	±5%	100V	C0G, NP0	0805	0.035" (0.90mm)	Active	757 Pcs
AC0805JRNPO0BN681	YAGEO	680 pF	±5%	100V	C0G, NP0	0805	0.037" (0.95mm)	Active	4996 Pcs
C0805C681F1GAC7800	KEMET	680 pF	±1%	100V	C0G, NP0	0805	0.035" (0.88mm)	Active	745 Pcs

Engineering Selection Recommendations

Direct Substitutes (±5% Tolerance, General Purpose):

For standard applications requiring equivalent performance to the ECJ-2VC2A681J, the following active parts provide direct substitution:

C0805C681J1GAC7800 (KEMET): Active status with high inventory availability (15233 Pcs). ROHS3 compliant, REACH unaffected. Low ESL feature.
CC0805JRNPO0BN681 (YAGEO): Active status with substantial inventory (7381 Pcs). ROHS3 compliant, REACH unaffected. High voltage rated.
KGM21BCG2A681JT (KYOCERA AVX): Active status with highest inventory among KYOCERA AVX options (25554 Pcs). ROHS3 compliant, REACH unaffected.
VJ0805A681JXBCW1BC (Vishay Vitramon): Active status with good inventory (4845 Pcs). ROHS3 compliant, REACH unaffected.

Upgrade Substitute (±1% Tolerance):

C0805C681F1GAC7800 (KEMET): Active status. Offers improved tolerance (±1% vs ±5%) while maintaining all other electrical and mechanical specifications. ROHS3 compliant, REACH unaffected. Suitable for applications requiring tighter capacitance tolerance.

Automotive-Qualified Substitute:

AC0805JRNPO0BN681 (YAGEO): Active status with AEC-Q200 automotive qualification. Suitable for automotive applications requiring equivalent general-purpose performance with automotive-grade reliability.

Legacy Substitute (Not For New Designs):

GRM2195C2A681JA01D (Murata Electronics): Not For New Designs status. Acceptable for maintenance and repair of existing equipment but not recommended for new product development.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with ±1% tolerance instead of ±5%?

A: Yes. The upgrade substitute C0805C681F1GAC7800 with ±1% tolerance is electrically compatible and provides improved capacitance accuracy. This is a direct upgrade with no circuit modifications required.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the difference between CC0805JPNPO0BN681 and CC0805JRNPO0BN681?

A: Both are YAGEO CC series parts with identical electrical specifications (680 pF, ±5%, 100V, C0G/NP0). The primary difference is product designation. CC0805JRNPO0BN681 is rated for high voltage applications and has higher inventory availability (7381 Pcs vs 1046 Pcs).

Q: Can I use AC0805JRNPO0BN681 in non-automotive applications?

A: Yes. AC0805JRNPO0BN681 is automotive-qualified (AEC-Q200) but electrically and mechanically identical to general-purpose equivalents. It can be used in any application requiring 680 pF, 100V, C0G/NP0 0805 capacitors.

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

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

Q: Are there thickness variations I should consider for PCB layout?

A: Thickness variations range from 0.028" (0.70mm) to 0.037" (0.95mm). For most applications, these minor variations are accommodated within standard PCB assembly tolerances. Verify specific PCB clearance requirements if space constraints exist.

Q: Which substitute has the best inventory availability?

A: KGM21BCG2A681JT (KYOCERA AVX) offers the highest inventory at 25554 Pcs, followed by C0805C681J1GAC7800 (KEMET) at 15233 Pcs.

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