CBR02C309C8GAC Equivalent & Substitute Parts

Part Overview

The CBR02C309C8GAC is a 3 pF ceramic capacitor manufactured by KEMET, rated at 10V with C0G/NP0 temperature coefficient. This surface mount multilayer ceramic capacitor (MLCC) is designed for RF, microwave, and high-frequency applications requiring high Q factor and ultra-low ESR characteristics. The part is currently active in production with 1,047 pieces in stock. Substitute parts are identified for applications requiring higher voltage ratings or improved tolerance specifications while maintaining identical capacitance values and package dimensions.

Key Parameters

Parameter	Value
Capacitance	3 pF
Voltage Rating	10V
Tolerance	±0.25pF
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C to 125°C
Package / Case	0201 (0603 Metric)
Mounting Type	Surface Mount, MLCC
Size	0.024" L x 0.012" W (0.60mm x 0.30mm)
Thickness	0.013" (0.33mm)
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Matching Parameters:

Capacitance: 3 pF (exact match required)
Temperature Coefficient: C0G/NP0 (exact match required)
Package / Case: 0201 (0603 Metric) (exact match required)
Operating Temperature Range: -55°C to 125°C (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
Physical Dimensions: 0.024" L x 0.012" W, 0.013" max thickness (exact match required)

Allowable Variation Parameters:

Voltage Rating: May be equal to or higher than the original 10V rating
Tolerance: May be equal to or tighter than the original ±0.25pF specification
Manufacturer: Different manufacturers permitted if all mandatory parameters match
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable

All identified substitute parts meet these criteria and are suitable for direct component replacement in applications where the original CBR02C309C8GAC is specified.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Package	Inventory (Pcs)	Product Status
CBR02C309C8GAC	KEMET	3 pF	10V	±0.25pF	C0G, NP0	0201 (0603 Metric)	1,047	Active
CBR02C309B3GAC	KEMET	3 pF	25V	±0.1pF	C0G, NP0	0201 (0603 Metric)	24,643	Active
GJM0335C1E3R0BB01D	Murata Electronics	3 pF	25V	±0.1pF	C0G, NP0	0201 (0603 Metric)	238,835	Active
GJM0335C1E3R0CB01D	Murata Electronics	3 pF	25V	±0.25pF	C0G, NP0	0201 (0603 Metric)	2,400	Active
GJM0335C1H3R0BB01D	Murata Electronics	3 pF	50V	±0.1pF	C0G, NP0	0201 (0603 Metric)	45,275	Active
QLCD250Q3R0C1GV001T	Johanson Technology Inc.	3 pF	25V	±0.25pF	C0G, NP0	0201 (0603 Metric)	58,680	Active

Engineering Selection Recommendations

All substitute parts listed are ROHS3 compliant and carry MSL Rating 1 (Unlimited moisture sensitivity level), matching the original CBR02C309C8GAC specifications. All parts maintain identical operating temperature ranges of -55°C to 125°C and are classified as active products in current production.

Voltage Rating Considerations:

CBR02C309B3GAC (KEMET, 25V): Provides 2.5× voltage derating margin over the original 10V specification with improved tolerance (±0.1pF). Highest inventory availability among KEMET alternatives.
GJM0335C1E3R0BB01D (Murata, 25V, ±0.1pF): Provides 2.5× voltage derating with tightest tolerance specification. Highest overall inventory (238,835 pcs).
GJM0335C1E3R0CB01D (Murata, 25V, ±0.25pF): Matches original tolerance specification with 2.5× voltage derating.
GJM0335C1H3R0BB01D (Murata, 50V): Provides 5× voltage derating margin with ±0.1pF tolerance for applications requiring maximum voltage headroom.
QLCD250Q3R0C1GV001T (Johanson, 25V): Cross-manufacturer alternative with 2.5× voltage derating and matching tolerance specification.

All parts are suitable for direct substitution in RF, microwave, and high-frequency circuit applications where the original part is specified.

Frequently Asked Questions (FAQ)

Q: Can I substitute CBR02C309C8GAC with a higher voltage-rated part?

A: Yes. All listed substitute parts maintain the same 3 pF capacitance, C0G/NP0 temperature coefficient, and 0201 package dimensions. Higher voltage ratings (25V or 50V) provide additional design margin and are electrically compatible with circuits designed for 10V operation.

Q: What is the difference between ±0.25pF and ±0.1pF tolerance?

A: Tolerance specifies the allowable deviation from the nominal 3 pF value. ±0.1pF tolerance (tighter specification) ensures capacitance values between 2.9 pF and 3.1 pF. ±0.25pF tolerance allows values between 2.75 pF and 3.25 pF. Tighter tolerance parts are suitable for precision RF circuits requiring stricter component matching.

Q: Are Tape & Reel and Cut Tape packaging formats interchangeable?

A: Both packaging formats contain identical components and are suitable for automated assembly processes. Selection depends on production equipment compatibility and inventory management requirements. Tape & Reel (TR) format is typically used for high-volume production; Cut Tape (CT) format offers flexibility for lower-volume or mixed-component orders.

Q: Which substitute part has the best availability?

A: GJM0335C1E3R0BB01D (Murata Electronics) has the highest inventory at 238,835 pieces, offering superior supply chain reliability for high-volume production requirements.

Q: Can I use GJM0335C1H3R0BB01D (50V) in place of the original 10V part?

A: Yes. The 50V rating provides 5× voltage derating margin and maintains all other electrical and mechanical specifications. This part is suitable for applications requiring maximum voltage headroom or where component standardization across multiple voltage-rated designs is beneficial.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the original CBR02C309C8GAC specification.

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