ECJ-1VC1H090D: 9 pF 50V C0G/NP0 0603 Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The ECJ-1VC1H090D is a 9 pF ceramic capacitor manufactured by Panasonic Electronic Components in 0603 (1608 Metric) surface mount package with 50V rated voltage and C0G/NP0 temperature coefficient. This part is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications.

Key Parameters

Parameter	Value
Capacitance	9 pF
Tolerance	±0.5pF
Voltage - Rated	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)
Thickness (Max)	0.035" (0.90mm)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes (Same Electrical Specifications): Parts with identical capacitance (9 pF), tolerance (±0.5pF), voltage rating (50V), temperature coefficient (C0G/NP0), and package (0603). These parts maintain full functional equivalence and can be used as direct replacements without circuit modification.

Upgrade Substitutes (Enhanced Voltage Rating): Parts with identical capacitance, tolerance, temperature coefficient, and package, but with increased voltage rating (100V instead of 50V). These provide higher voltage margin and are suitable for applications where the original 50V rating is adequate but higher voltage capability is beneficial.

Key parameters determining substitution eligibility:

Capacitance: 9 pF (fixed)
Tolerance: ±0.5pF or tighter (±0.25pF acceptable)
Voltage Rating: 50V minimum (100V acceptable as upgrade)
Temperature Coefficient: C0G or NP0 (equivalent designations)
Package: 0603 (1608 Metric) surface mount
Operating Temperature: -55°C minimum to 125°C minimum

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Package	Product Status	RoHS Status
ECJ-1VC1H090D	Panasonic	9 pF	±0.5pF	50V	C0G/NP0	-55°C ~ 125°C	0603	Obsolete	-
06035A9R0DAT2A	KYOCERA AVX	9 pF	±0.5pF	50V	C0G/NP0	-55°C ~ 125°C	0603	Active	ROHS3 Compliant
C0603C909D5GAC7867	KEMET	9 pF	±0.5pF	50V	C0G/NP0	-55°C ~ 125°C	0603	Active	ROHS3 Compliant
C1608NP01H090D080AA	TDK Corporation	9 pF	±0.5pF	50V	C0G/NP0	-55°C ~ 150°C	0603	Active	ROHS3 Compliant
06031A9R0DAT2A	KYOCERA AVX	9 pF	±0.5pF	100V	C0G/NP0	-55°C ~ 125°C	0603	Active	ROHS3 Compliant
C1608C0G2A090D080AA	TDK Corporation	9 pF	±0.5pF	100V	C0G/NP0	-55°C ~ 125°C	0603	Active	ROHS3 Compliant
C1608NP02A090D080AA	TDK Corporation	9 pF	±0.5pF	100V	C0G/NP0	-55°C ~ 150°C	0603	Active	ROHS3 Compliant
CC0603CRNPO9BN9R0	YAGEO	9 pF	±0.25pF	50V	C0G/NP0	-55°C ~ 125°C	0603	Active	ROHS3 Compliant
CGA3E2C0G1H090D080AA	TDK Corporation	9 pF	±0.5pF	50V	C0G/NP0	-55°C ~ 125°C	0603	Active	ROHS3 Compliant
CGJ3E2C0G1H090D080AA	TDK Corporation	9 pF	±0.5pF	50V	C0G/NP0	-55°C ~ 125°C	0603	Obsolete	ROHS3 Compliant
CL10C090DB81PNC	Samsung Electro-Mechanics	9 pF	±0.5pF	50V	C0G/NP0	-55°C ~ 125°C	0603	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (50V Rating): Select from active status parts: 06035A9R0DAT2A (KYOCERA AVX), C0603C909D5GAC7867 (KEMET), C1608NP01H090D080AA (TDK), CC0603CRNPO9BN9R0 (YAGEO), CGA3E2C0G1H090D080AA (TDK), or CL10C090DB81PNC (Samsung). All are ROHS3 compliant and maintain identical electrical specifications to the original part.

For Upgraded Voltage Margin (100V Rating): Select from: 06031A9R0DAT2A (KYOCERA AVX), C1608C0G2A090D080AA (TDK), or C1608NP02A090D080AA (TDK). These provide higher voltage capability while maintaining all other electrical parameters. C1608NP02A090D080AA offers extended operating temperature to 150°C.

Avoid obsolete parts: CGJ3E2C0G1H090D080AA is obsolete and should not be selected for new designs or long-term production.

All recommended active parts carry ROHS3 compliance and REACH unaffected status, suitable for current manufacturing standards.

Frequently Asked Questions (FAQ)

Q: Can I use a 100V rated capacitor in place of the 50V original? A: Yes. A 100V rated capacitor with identical capacitance, tolerance, and temperature coefficient is a valid upgrade substitute. The higher voltage rating provides additional safety margin without affecting circuit performance.

Q: What is the difference between C0G and NP0 designations? A: C0G and NP0 are equivalent designations for the same temperature coefficient characteristic. C0G is the EIA standard designation; NP0 is the IEC standard designation. Parts marked with either designation are interchangeable.

Q: Are all substitute parts physically identical to the original? A: All substitute parts use the same 0603 (1608 Metric) package with maximum thickness of 0.035" (0.90mm). Dimensional variations are within 0.01" and do not affect PCB layout or assembly.

Q: Which substitute offers the tightest tolerance? A: CC0603CRNPO9BN9R0 (YAGEO) offers ±0.25pF tolerance, which is tighter than the original ±0.5pF specification. This part is suitable for applications requiring higher capacitance precision.

Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Tape & Reel (TR) packaging is supplied on continuous tape for automated assembly. Cut Tape (CT) is supplied in smaller quantities on cut tape segments. Both formats contain identical components; packaging choice depends on production volume and assembly equipment.

Q: Are all substitute parts suitable for automotive applications? A: Parts with AEC-Q200 rating (CGA3E2C0G1H090D080AA, CGJ3E2C0G1H090D080AA, CL10C090DB81PNC) meet automotive qualification standards. Other parts are suitable for general purpose applications.

Q: What does MSL 1 (Unlimited) mean? A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. No baking or desiccant storage is required.

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