CGA2B2X5R1H331M050BA Equivalent & Substitute Parts

Part Overview

The CGA2B2X5R1H331M050BA is a 330 pF ±20% 50V ceramic capacitor in 0402 (1005 Metric) package with X5R temperature coefficient, manufactured by TDK Corporation. This part carries AEC-Q200 automotive qualification and ROHS3 compliance. The product status is "Not For New Designs," indicating that while currently in stock, TDK recommends alternative solutions for new circuit designs. Equivalent and substitute parts are necessary to provide design flexibility, improve availability, or meet specific performance requirements in automotive applications.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±20%
Voltage Rating	50V
Temperature Coefficient	X5R
Operating Temperature Range	-55°C ~ 85°C
Package / Case	0402 (1005 Metric)
Mounting Type	Surface Mount, MLCC
Ratings	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the CGA2B2X5R1H331M050BA is determined by the following criteria:

Primary Substitution Parameters:

Capacitance value (330 pF)
Package size (0402 / 1005 Metric)
Voltage rating (50V or higher)
Mounting type (Surface Mount, MLCC)
Automotive qualification (AEC-Q200)
RoHS compliance (ROHS3)

Secondary Variation Parameters:

Tolerance (±20%, ±10%, ±5%)
Temperature coefficient (X5R, X7R, X8R, C0G/NP0)
Operating temperature range (-55°C ~ 85°C, -55°C ~ 125°C, -55°C ~ 150°C)

Substitute parts maintain identical capacitance, package, and mounting specifications while allowing variation in tolerance, temperature coefficient, and voltage rating. Parts with tighter tolerance, wider temperature range, or higher voltage rating are direct upgrades. Parts with looser tolerance or narrower temperature range are downgrades and require circuit validation.

Parameter Comparison

Part Number	Capacitance	Tolerance	Voltage	Temp Coeff	Temp Range	Status	Inventory
CGA2B2X5R1H331M050BA	330 pF	±20%	50V	X5R	-55°C ~ 85°C	Not For New Designs	6064 Pcs
CGA2B2X5R1H331K050BA	330 pF	±10%	50V	X5R	-55°C ~ 85°C	Not For New Designs	9667 Pcs
CGA2B2X7R1H331K050BA	330 pF	±10%	50V	X7R	-55°C ~ 125°C	Active	24539 Pcs
CGA2B2X7R1H331M050BA	330 pF	±20%	50V	X7R	-55°C ~ 125°C	Active	29086 Pcs
CGA2B2X8R1H331K050BA	330 pF	±10%	50V	X8R	-55°C ~ 150°C	Not For New Designs	17727 Pcs
CGA2B2X8R1H331M050BA	330 pF	±20%	50V	X8R	-55°C ~ 150°C	Not For New Designs	21117 Pcs
CGA2B2X8R2A331K050BA	330 pF	±10%	100V	X8R	-55°C ~ 150°C	Not For New Designs	11134 Pcs
CGA2B2C0G1H331J050BA	330 pF	±5%	50V	C0G/NP0	-55°C ~ 125°C	Active	58659 Pcs
CGA2B2C0G2A331J050BA	330 pF	±5%	100V	C0G/NP0	-55°C ~ 125°C	Active	15326 Pcs
CGA2B2NP01H331J050BA	330 pF	±5%	50V	C0G/NP0	-55°C ~ 150°C	Active	48311 Pcs
CGA2B2NP02A331J050BA	330 pF	±5%	100V	C0G/NP0	-55°C ~ 150°C	Active	984 Pcs

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Performance): CGA2B2X5R1H331K050BA provides identical electrical characteristics with improved tolerance (±10% vs ±20%), maintaining X5R temperature coefficient and 50V rating. Both parts are "Not For New Designs" status.

For New Designs (Recommended by Manufacturer): CGA2B2X7R1H331M050BA or CGA2B2X7R1H331K050BA are Active status alternatives with X7R temperature coefficient, extending operating range to -55°C ~ 125°C. These parts maintain 50V rating and 0402 package compatibility while offering superior long-term availability.

For Enhanced Stability Requirements: CGA2B2C0G1H331J050BA (Active status) provides ±5% tolerance with C0G/NP0 temperature coefficient, ensuring minimal capacitance drift across temperature. Suitable for precision analog circuits requiring stable reference capacitance.

For Higher Voltage Margin: CGA2B2X8R2A331K050BA or CGA2B2C0G2A331J050BA provide 100V rating in identical 0402 package, offering increased voltage headroom for designs with potential overvoltage conditions. Both maintain AEC-Q200 and ROHS3 compliance.

For Extended Temperature Operation: CGA2B2NP01H331J050BA or CGA2B2NP02A331J050BA support -55°C ~ 150°C range with C0G/NP0 stability, suitable for high-temperature automotive applications. Both are Active status with ±5% tolerance.

All substitute parts maintain identical 0402 package dimensions, Surface Mount MLCC mounting type, AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can CGA2B2X5R1H331M050BA be replaced with CGA2B2X7R1H331M050BA? A: Yes. Both parts have 330 pF capacitance, ±20% tolerance, 50V rating, and 0402 package. CGA2B2X7R1H331M050BA extends operating temperature to -55°C ~ 125°C (vs -55°C ~ 85°C) and is Active status, making it suitable for new designs.

Q: What is the difference between X5R, X7R, X8R, and C0G temperature coefficients? A: Temperature coefficient defines capacitance stability across temperature range. X5R allows ±15% variation over -55°C ~ 85°C. X7R allows ±15% variation over -55°C ~ 125°C. X8R allows ±15% variation over -55°C ~ 150°C. C0G/NP0 provides superior stability (±30 ppm/°C) across -55°C ~ 125°C or -55°C ~ 150°C, suitable for precision applications.

Q: Is CGA2B2X8R2A331K050BA compatible as a substitute? A: Yes, with considerations. It maintains 330 pF capacitance and 0402 package but increases voltage rating to 100V and extends temperature range to -55°C ~ 150°C. Physical dimensions remain identical. Verify circuit design does not depend on lower voltage rating characteristics.

Q: Why is CGA2B2X5R1H331M050BA marked "Not For New Designs"? A: TDK recommends transitioning to Active status alternatives such as CGA2B2X7R1H331M050BA or CGA2B2C0G1H331J050BA for long-term availability and design continuity. Existing inventory remains available for legacy product support.

Q: Can tolerance be changed from ±20% to ±5%? A: Yes. CGA2B2C0G1H331J050BA and CGA2B2NP01H331J050BA provide ±5% tolerance with identical 330 pF capacitance and 50V rating. Tighter tolerance improves circuit performance in applications sensitive to capacitance variation.

Q: Are all substitute parts AEC-Q200 qualified? A: Yes. All listed substitute parts carry AEC-Q200 automotive qualification and ROHS3 compliance, maintaining automotive application requirements.

Q: What is the inventory status for long-term availability? A: CGA2B2X7R1H331K050BA (24539 Pcs), CGA2B2X7R1H331M050BA (29086 Pcs), and CGA2B2C0G1H331J050BA (58659 Pcs) offer highest inventory levels. CGA2B2NP02A331J050BA has limited inventory (984 Pcs).

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