ECJ-1VC1H151J Equivalent & Substitute Parts

Part Overview

The ECJ-1VC1H151J is a 150 pF ±5% 50V ceramic capacitor in 0603 (1608 Metric) package with C0G/NP0 temperature coefficient, manufactured by Panasonic Electronic Components. This part is currently obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part serves general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C.

Key Parameters

Parameter	Value
Capacitance	150 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	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters:

Capacitance: 150 pF (exact match required)
Tolerance: ±5% (exact match required)
Voltage Rating: 50V (exact match required)
Temperature Coefficient: C0G/NP0 (exact match required)
Package / Case: 0603 (1608 Metric) (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
Operating Temperature Range: -55°C ~ 125°C minimum (equal or extended range acceptable)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Direct substitutes maintain all electrical and mechanical parameters identical to the original part. Upgrade options provide enhanced tolerance (±1%) while maintaining all other specifications. All substitute parts listed are active products with current manufacturing status.

Parameter Comparison

Manufacturer	Part Number	Capacitance	Tolerance	Voltage	Temp Coeff	Temp Range	Package	Thickness	Product Status	RoHS Status
Panasonic	ECJ-1VC1H151J	150 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.90mm	Obsolete	-
Walsin	0603N151J500CT	150 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.87mm	Active	ROHS3
KEMET	C0603C151J5GAC7867	150 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.87mm	Active	ROHS3
TDK	C1608NP01H151J080AA	150 pF	±5%	50V	C0G/NP0	-55°C ~ 150°C	0603	0.90mm	Active	ROHS3
KYOCERA AVX	KGM15ACG1H151JM	150 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.90mm	Active	ROHS3
KYOCERA AVX	KGM15ACG1H151JT	150 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.90mm	Active	ROHS3
Vishay Vitramon	VJ0603A151JXACW1BC	150 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.90mm	Active	ROHS3
Vishay Vitramon	VJ0603A151JXAPW1BC	150 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.87mm	Active	ROHS3
KYOCERA AVX	06035A151FA12A	150 pF	±1%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.90mm	Active	RoHS non-compliant
KYOCERA AVX	06035A161FAT2A	160 pF	±1%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.90mm	Active	ROHS3
YAGEO	AC0603JRNPO9BN151	150 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	0603	0.90mm	Active	ROHS3

Engineering Selection Recommendations

For direct replacement of ECJ-1VC1H151J, select from active-status parts with identical electrical specifications and ROHS3 compliance: 0603N151J500CT (Walsin), C0603C151J5GAC7867 (KEMET), KGM15ACG1H151JT (KYOCERA AVX), VJ0603A151JXACW1BC (Vishay Vitramon), or AC0603JRNPO9BN151 (YAGEO). These parts are functionally equivalent with current manufacturing support.

C1608NP01H151J080AA (TDK) provides extended operating temperature range to 150°C while maintaining all other specifications, suitable for applications requiring higher temperature margin.

06035A151FA12A (KYOCERA AVX) offers improved tolerance of ±1% for applications requiring tighter capacitance control, though it carries RoHS non-compliant status and REACH-affected designation.

06035A161FAT2A (KYOCERA AVX) provides 160 pF capacitance with ±1% tolerance and ROHS3 compliance, applicable only where circuit design permits the 6.7% capacitance increase.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different thickness? A: Yes. Thickness variations (0.87mm to 0.90mm) are within acceptable mechanical tolerances for 0603 package components and do not affect electrical performance or PCB assembly compatibility.

Q: What is the difference between C0G and NP0 designations? A: C0G and NP0 are equivalent temperature coefficient classifications used by different manufacturers. Both designations indicate stable capacitance across the operating temperature range with negligible drift.

Q: Is the TDK part C1608NP01H151J080AA a direct substitute? A: Yes, it is electrically equivalent. The extended operating temperature range (-55°C to 150°C versus -55°C to 125°C) provides additional thermal margin without affecting compatibility in applications operating within the original temperature specification.

Q: Can I use the KYOCERA AVX 06035A151FA12A upgrade part? A: This part is electrically compatible but carries RoHS non-compliant status. Use only if your application or supply chain permits non-compliant components. The ±1% tolerance provides improved capacitance accuracy compared to the ±5% original specification.

Q: What is the difference between KGM15ACG1H151JM and KGM15ACG1H151JT? A: Both parts are electrically and mechanically identical 150 pF ±5% 50V C0G/NP0 0603 capacitors from KYOCERA AVX. The suffix difference (M versus T) indicates packaging configuration. Both are direct substitutes for the original part.

Q: Is AC0603JRNPO9BN151 suitable for automotive applications? A: Yes. This YAGEO part carries AEC-Q200 automotive qualification and ROHS3 compliance, making it suitable for automotive-grade applications while maintaining full electrical equivalence to the original part.

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