ECJ-3VC1H392J Equivalent & Substitute Parts

Part Overview

The Panasonic ECJ-3VC1H392J is a 3900 pF ceramic capacitor rated at 50V with C0G/NP0 temperature coefficient in 1206 (3216 Metric) surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and design requirements. The part maintains general-purpose application suitability across its operating temperature range of -55°C to 125°C with ±5% capacitance tolerance and unlimited moisture sensitivity level (MSL 1).

Key Parameters

Parameter	Value
Capacitance	3900 pF
Tolerance	±5%
Voltage Rating	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C to 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: capacitance value (3900 pF), tolerance (±5%), voltage rating (50V minimum), temperature coefficient (C0G/NP0), package format (1206/3216 Metric), and mounting type (Surface Mount MLCC). Parts are grouped into two categories:

Direct Equivalents (50V Rating): Parts meeting all primary specifications with identical 50V voltage rating. These include TDK C3216C0G1H392J060AA, YAGEO CC1206JRNPO9BN392, KYOCERA AVX KGM31VCG1H392JL and KGM31VCG1H392JU, and Vishay Vitramon VJ1206A392JXACW1BC and VJ1206A392JXAPW1BC.

Upgrade Options (Higher Voltage Rating): Parts with identical capacitance, tolerance, and package but elevated voltage ratings (100V or 250V). These include Samsung Electro-Mechanics CL31C392JCHNNNE (100V) and KEMET C1206C392J1GAC7800 (100V) and C1206C392JAGAC7800 (250V).

Tolerance Upgrade: KEMET C1206C392F5GAC7800 provides improved tolerance (±1%) while maintaining 50V rating and identical package specifications.

Parameter Comparison

Manufacturer	Part Number	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Product Status
Panasonic	ECJ-3VC1H392J	3900 pF	±5%	50V	C0G, NP0	1206 (3216)	0.028" (0.70mm)	Obsolete
TDK	C3216C0G1H392J060AA	3900 pF	±5%	50V	C0G, NP0	1206 (3216)	0.030" (0.75mm)	Last Time Buy
YAGEO	CC1206JRNPO9BN392	3900 pF	±5%	50V	C0G, NP0	1206 (3216)	0.037" (0.95mm)	Active
Samsung Electro-Mechanics	CL31C392JCHNNNE	3900 pF	±5%	100V	C0G, NP0	1206 (3216)	0.071" (1.80mm)	Active
KYOCERA AVX	KGM31VCG1H392JL	3900 pF	±5%	50V	C0G, NP0	1206 (3216)	0.048" (1.22mm)	Active
KYOCERA AVX	KGM31VCG1H392JU	3900 pF	±5%	50V	C0G, NP0	1206 (3216)	0.048" (1.22mm)	Active
Vishay Vitramon	VJ1206A392JXACW1BC	3900 pF	±5%	50V	C0G, NP0	1206 (3216)	0.035" (0.90mm)	Active
Vishay Vitramon	VJ1206A392JXAPW1BC	3900 pF	±5%	50V	C0G, NP0	1206 (3216)	0.035" (0.90mm)	Active
KEMET	C1206C392F5GAC7800	3900 pF	±1%	50V	C0G, NP0	1206 (3216)	0.039" (1.00mm)	Active
KEMET	C1206C392J1GAC7800	3900 pF	±5%	100V	C0G, NP0	1206 (3216)	0.053" (1.35mm)	Active
KEMET	C1206C392JAGAC7800	3900 pF	±5%	250V	C0G, NP0	1206 (3216)	0.035" (0.88mm)	Active

Engineering Selection Recommendations

For Direct Replacement (50V, ±5% Tolerance): YAGEO CC1206JRNPO9BN392, KYOCERA AVX KGM31VCG1H392JU, and Vishay Vitramon VJ1206A392JXAPW1BC are active production parts with ROHS3 compliance and REACH unaffected status. These provide immediate substitution without design modification. KYOCERA AVX KGM31VCG1H392JL offers equivalent specifications with active product status.

For Tolerance Upgrade (50V, ±1% Tolerance): KEMET C1206C392F5GAC7800 maintains 50V rating and 1206 package while providing tighter ±1% tolerance specification. This part is active production with ROHS3 compliance and low ESL features.

For Voltage Margin Increase: Samsung Electro-Mechanics CL31C392JCHNNNE and KEMET C1206C392J1GAC7800 both provide 100V rating with identical capacitance and tolerance. KEMET C1206C392JAGAC7800 extends voltage rating to 250V. These upgrades are suitable when circuit design permits higher voltage components and increased board space is acceptable due to thickness variations.

Avoid: TDK C3216C0G1H392J060AA carries Last Time Buy status, indicating discontinued production trajectory.

Frequently Asked Questions (FAQ)

Q: Can I use a 100V rated capacitor in place of the 50V ECJ-3VC1H392J?

A: Yes. Higher voltage ratings are electrically compatible in circuits designed for lower voltages. The 100V parts (Samsung CL31C392JCHNNNE, KEMET C1206C392J1GAC7800) maintain identical capacitance, tolerance, and package format. Verify available board space, as some 100V variants have increased thickness.

Q: What is the difference between the KYOCERA AVX KGM31VCG1H392JL and KGM31VCG1H392JU?

A: Both parts are electrically identical with 3900 pF, ±5%, 50V, C0G/NP0 specifications in 1206 package. The suffix designates different packaging or tape configurations. Selection depends on your procurement and assembly process requirements.

Q: Is the KEMET C1206C392F5GAC7800 with ±1% tolerance a direct substitute?

A: Yes, with design consideration. The ±1% tolerance is tighter than the original ±5%, providing improved capacitance accuracy. All other electrical and mechanical parameters match the ECJ-3VC1H392J. This is a functional upgrade suitable for applications requiring tighter tolerance control.

Q: Why does the Samsung CL31C392JCHNNNE have significantly greater thickness?

A: The 100V rating requires different dielectric material composition, resulting in 0.071" (1.80mm) thickness versus 0.028" (0.70mm) for the 50V part. Verify PCB layout clearance before substitution.

Q: Are all substitute parts ROHS3 compliant?

A: All active production substitutes listed carry ROHS3 compliance and REACH unaffected status. The original Panasonic ECJ-3VC1H392J does not specify these certifications due to obsolete status.

Q: Can I mix different manufacturers' parts in the same production run?

A: Yes. All listed substitutes meet identical electrical specifications (3900 pF, ±5%, 50V, C0G/NP0, 1206 package). Mechanical variations in thickness are minor and do not affect circuit function. Verify solder reflow profiles match all selected parts' specifications.

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