ECJ-1VC1H680J Equivalent & Substitute Parts

Part Overview

The ECJ-1VC1H680J is a 68 pF ±5% 50V ceramic capacitor manufactured by Panasonic Electronic Components in 0603 (1608 Metric) package with C0G/NP0 temperature coefficient. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing production and design requirements. Substitute parts maintain identical electrical specifications and mechanical compatibility while offering active product status from alternative manufacturers.

Key Parameters

Parameter	Value
Capacitance	68 pF
Tolerance	±5%
Voltage Rating	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level	MSL 1 (Unlimited)
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)

Substitute Part Grouping Explanation

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

Capacitance value: 68 pF
Tolerance: ±5%
Voltage rating: 50V minimum
Temperature coefficient: C0G or NP0
Package: 0603 (1608 Metric)
Mounting type: Surface Mount, MLCC
Moisture sensitivity: MSL 1

All substitute parts listed maintain these core electrical and mechanical specifications. Variations in thickness (0.034" to 0.035"), operating temperature upper limits (125°C to 150°C), and additional features (Low ESL, High Q, High Temperature) do not affect substitution compatibility within the specified parameter constraints.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Operating Temp	Thickness (Max)	Product Status	RoHS Status
ECJ-1VC1H680J	Panasonic	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.035" (0.90mm)	Obsolete	Not specified
0603N680J500CT	Walsin Technology	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.034" (0.87mm)	Active	ROHS3 Compliant
C0603C680J5GAC7867	KEMET	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.034" (0.87mm)	Active	ROHS3 Compliant
C1608NP01H680J080AA	TDK Corporation	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 150°C	0.035" (0.90mm)	Active	ROHS3 Compliant
KGM15ACG1H680JM	KYOCERA AVX	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.035" (0.90mm)	Active	ROHS3 Compliant
KGM15ACG1H680JT	KYOCERA AVX	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.035" (0.90mm)	Active	ROHS3 Compliant
TDCP500G680J1GV001T	Johanson Dielectrics	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.035" (0.89mm)	Active	ROHS3 Compliant
VJ0603A680JXACW1BC	Vishay Vitramon	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.035" (0.90mm)	Active	ROHS3 Compliant
VJ0603A680JXAPW1BC	Vishay Vitramon	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.034" (0.87mm)	Active	ROHS3 Compliant
060320500680JQTLSM	Knowles Syfer	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.031" (0.80mm)	Active	ROHS3 Compliant
AC0603JPNPO9BN680	YAGEO	68 pF	±5%	50V	C0G, NP0	0603	-55°C ~ 125°C	0.035" (0.90mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are qualified for direct replacement of the ECJ-1VC1H680J based on matching electrical specifications and mechanical compatibility. Selection among active alternatives should prioritize:

Product status: All substitutes maintain active production status, ensuring long-term availability and supply chain stability
Compliance certifications: All substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements
Packaging format: Tape & Reel (TR) packaging is standard across all active substitutes, supporting automated assembly processes
Inventory availability: Walsin Technology (0603N680J500CT) and KYOCERA AVX (KGM15ACG1H680JT) offer highest stock levels for immediate procurement

The YAGEO AC0603JPNPO9BN680 includes AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade components. The Knowles Syfer 060320500680JQTLSM offers reduced thickness (0.031") and high Q characteristics for space-constrained designs. The TDK C1608NP01H680J080AA supports extended operating temperature to 150°C for high-temperature applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute the ECJ-1VC1H680J with any of the listed parts?

A: Yes. All listed parts maintain identical capacitance (68 pF), tolerance (±5%), voltage rating (50V), temperature coefficient (C0G/NP0), and 0603 package specifications. Mechanical variations in thickness are within acceptable tolerances for standard PCB assembly processes.

Q: What is the difference between C0G and NP0 temperature coefficients?

A: C0G and NP0 designations are equivalent specifications from different manufacturers. Both indicate zero temperature coefficient performance across the operating range, ensuring stable capacitance across -55°C to 125°C (or 150°C for TDK variant).

Q: Are all substitutes ROHS3 compliant?

A: All active substitute parts listed are ROHS3 compliant. The original Panasonic ECJ-1VC1H680J does not specify RoHS status due to its obsolete classification.

Q: Does package thickness affect PCB assembly compatibility?

A: Thickness variations (0.031" to 0.035") are within standard 0603 package tolerances and do not affect PCB assembly compatibility. Component placement and reflow processes accommodate these minor dimensional differences.

Q: Which substitute offers the best availability?

A: Walsin Technology 0603N680J500CT and KYOCERA AVX KGM15ACG1H680JT maintain the highest inventory levels (135,421 and 122,863 units respectively), providing optimal supply chain continuity.

Q: Can I use the TDK part in applications requiring extended temperature operation?

A: Yes. The TDK C1608NP01H680J080AA supports operating temperatures to 150°C, exceeding the standard -55°C to 125°C range. This part is suitable for high-temperature applications while maintaining all other electrical specifications.

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