CGA3E2NP02A121J080AA Equivalent & Substitute Parts

Part Overview

The CGA3E2NP02A121J080AA is a 120 pF ±5% 100V ceramic capacitor manufactured by TDK Corporation in the 0603 (1608 Metric) package with C0G/NP0 temperature coefficient. This part is designated as Last Time Buy, indicating discontinued production. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for ongoing production and field service applications.

Key Parameters

Parameter	Value
Capacitance	120 pF
Tolerance	±5%
Voltage - Rated	100V
Temperature Coefficient	C0G, NP0
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 150°C
Ratings	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Capacitance Value: 120 pF (exact match required)
Tolerance: ±5% or tighter (±1%, ±2% acceptable as upgrades)
Voltage Rating: 100V minimum (higher ratings acceptable as upgrades)
Temperature Coefficient: C0G/NP0 (required for stability)
Package: 0603 (1608 Metric) (physical and electrical compatibility)
Mounting Type: Surface Mount, MLCC
Automotive Compliance: AEC-Q200 certification required

Substitute parts are categorized as follows:

Direct Equivalents (identical electrical and mechanical specifications): KAM15ACG2A121JT, VJ0603A121JLBAJ32

Upgrade Substitutes (improved tolerance or voltage rating): KAM15ACG2A121FT (±1% tolerance), KAM15ACG2A121GT (±2% tolerance), CGA3E3C0G2E121J080AA (250V rating)

Manufacturer Recommended (equivalent performance, active production status): GCM1885C2A121JA16D

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Operating Temp	Product Status	RoHS
CGA3E2NP02A121J080AA	TDK Corporation	120 pF	±5%	100V	C0G, NP0	0603	-55°C ~ 150°C	Last Time Buy	ROHS3
KAM15ACG2A121JT	KYOCERA AVX	120 pF	±5%	100V	C0G, NP0	0603	-55°C ~ 125°C	Active	ROHS3
VJ0603A121JLBAJ32	Vishay Vitramon	120 pF	±5%	100V	C0G, NP0	0603	-55°C ~ 150°C	Active	RoHS non-compliant
KAM15ACG2A121FT	KYOCERA AVX	120 pF	±1%	100V	C0G, NP0	0603	-55°C ~ 125°C	Active	ROHS3
KAM15ACG2A121GT	KYOCERA AVX	120 pF	±2%	100V	C0G, NP0	0603	-55°C ~ 125°C	Active	ROHS3
CGA3E3C0G2E121J080AA	TDK Corporation	120 pF	±5%	250V	C0G, NP0	0603	-55°C ~ 125°C	Last Time Buy	ROHS3
GCM1885C2A121JA16D	Murata Electronics	120 pF	±5%	100V	C0G, NP0	0603	-55°C ~ 125°C	Active	ROHS3

Engineering Selection Recommendations

For RoHS3 Compliant Applications: Select KAM15ACG2A121JT, KAM15ACG2A121FT, KAM15ACG2A121GT, or GCM1885C2A121JA16D. All maintain ROHS3 compliance and AEC-Q200 automotive certification.

For Extended Temperature Range (-55°C to 150°C): VJ0603A121JLBAJ32 supports the full temperature range of the original part. Note that this part is RoHS non-compliant and should be evaluated against design requirements.

For Active Production Status: KAM15ACG2A121JT, KAM15ACG2A121FT, KAM15ACG2A121GT, and GCM1885C2A121JA16D are all in active production, ensuring long-term availability.

For Improved Tolerance: KAM15ACG2A121FT (±1%) and KAM15ACG2A121GT (±2%) provide tighter tolerance specifications than the original ±5% specification.

For Higher Voltage Margin: CGA3E3C0G2E121J080AA provides 250V rating for applications requiring increased voltage headroom, though operating temperature is limited to -55°C ~ 125°C.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different tolerance? A: Yes. Tighter tolerances (±1%, ±2%) are acceptable upgrades and provide improved capacitance stability. Looser tolerances are not acceptable substitutes.

Q: What is the difference between C0G and NP0 designations? A: C0G and NP0 are equivalent designations for the same temperature coefficient characteristic, indicating minimal capacitance change across the operating temperature range. Both designations are interchangeable.

Q: Are all substitute parts AEC-Q200 certified? A: Yes. All listed substitute parts carry AEC-Q200 automotive qualification, meeting the same reliability standards as the original part.

Q: Can I use a 250V rated capacitor in place of a 100V part? A: Yes. Higher voltage ratings are acceptable substitutes and provide additional safety margin. The CGA3E3C0G2E121J080AA (250V) is a valid upgrade substitute.

Q: What is the impact of operating temperature range differences? A: The original part operates to 150°C. Most substitute parts operate to 125°C. Verify that your application does not exceed 125°C if selecting these alternatives. VJ0603A121JLBAJ32 maintains the 150°C upper limit.

Q: Is RoHS compliance required for my application? A: VJ0603A121JLBAJ32 is RoHS non-compliant. If RoHS3 compliance is mandatory, select from KAM15ACG2A121JT, KAM15ACG2A121FT, KAM15ACG2A121GT, CGA3E3C0G2E121J080AA, or GCM1885C2A121JA16D.

Q: Which substitute offers the best long-term availability? A: GCM1885C2A121JA16D (Murata Electronics) and the KYOCERA AVX series (KAM15ACG2A121JT, KAM15ACG2A121FT, KAM15ACG2A121GT) are all in active production status, ensuring sustained component availability.

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