C1608C0G1H331K080AA Equivalent & Substitute Parts

Part Overview

The C1608C0G1H331K080AA is a 330 pF ±10% 50V ceramic capacitor manufactured by TDK Corporation in 0603 (1608 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) features C0G/NP0 temperature coefficient with low ESL characteristics, suitable for general-purpose applications requiring stable capacitance across temperature ranges from -55°C to 125°C. The part is designated as "Not For New Designs," indicating it has been superseded. Alternative parts with improved specifications or higher availability are necessary for new circuit designs and production continuity.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±10%
Voltage Rating	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the C1608C0G1H331K080AA is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Capacitance value: 330 pF (exact match required)
Package / Case: 0603 (1608 Metric) surface mount
Temperature Coefficient: C0G or NP0 (equivalent designations)
Mounting Type: Surface Mount, MLCC
Physical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm)

Flexible Parameters (allowing substitution):

Tolerance: Can be tighter (±1%, ±2%, ±5%) than the original ±10%
Voltage Rating: Can be equal or higher (50V, 100V, 250V)
Manufacturer: TDK Corporation or alternative qualified manufacturers (KEMET)
Product Status: Active parts preferred over "Not For New Designs"

Substitute parts are grouped by voltage rating tier, as higher voltage ratings provide backward compatibility while maintaining identical physical footprint and electrical performance at the original operating voltage.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Product Status	Inventory
C1608C0G1H331K080AA	TDK	330 pF	±10%	50V	C0G, NP0	-55°C ~ 125°C	Not For New Designs	3063 Pcs
C1608C0G1H331F080AA	TDK	330 pF	±1%	50V	C0G, NP0	-55°C ~ 125°C	Not For New Designs	2578 Pcs
C1608C0G1H331G080AA	TDK	330 pF	±2%	50V	C0G, NP0	-55°C ~ 125°C	Not For New Designs	5184 Pcs
C1608C0G1H331J080AA	TDK	330 pF	±5%	50V	C0G, NP0	-55°C ~ 125°C	Not For New Designs	7097 Pcs
C1608C0G2A331J080AA	TDK	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	Active	952 Pcs
C1608C0G2A331K080AA	TDK	330 pF	±10%	100V	C0G, NP0	-55°C ~ 125°C	Not For New Designs	8303 Pcs
C1608C0G2E331J080AA	TDK	330 pF	±5%	250V	C0G, NP0	-55°C ~ 125°C	Active	61462 Pcs
C1608C0G2E331K080AA	TDK	330 pF	±10%	250V	C0G, NP0	-55°C ~ 125°C	Not For New Designs	8977 Pcs
C1608NP01H331J080AA	TDK	330 pF	±5%	50V	C0G, NP0	-55°C ~ 150°C	Active	892 Pcs
C1608NP02A331J080AA	TDK	330 pF	±5%	100V	C0G, NP0	-55°C ~ 150°C	Active	5587 Pcs
C0603C331K5GAC7867	KEMET	330 pF	±10%	50V	C0G, NP0	-55°C ~ 125°C	Active	7200 Pcs

Engineering Selection Recommendations

For 50V Applications (Direct Replacement): Select C1608C0G1H331J080AA (TDK, ±5%, 50V) or C0603C331K5GAC7867 (KEMET, ±10%, 50V) for new designs. Both maintain identical voltage rating and package specifications. The KEMET part offers active product status with higher inventory availability. The TDK C1608C0G1H331J080AA provides tighter tolerance if circuit performance requires improved capacitance stability.

For Higher Voltage Margin (Recommended for New Designs): C1608C0G2E331J080AA (TDK, ±5%, 250V, Active) provides the highest voltage rating with active product status and largest inventory (61,462 pcs). This part is suitable for applications where voltage derating improves reliability and component longevity. Identical physical footprint and capacitance ensure direct PCB compatibility.

For Extended Temperature Range: C1608NP01H331J080AA (TDK, ±5%, 50V, -55°C ~ 150°C, Active) or C1608NP02A331J080AA (TDK, ±5%, 100V, -55°C ~ 150°C, Active) support higher maximum operating temperature (150°C vs. 125°C). Select based on required voltage rating.

All recommended substitutes are ROHS3 compliant, MSL 1 rated, and maintain identical 0603 (1608 Metric) package dimensions.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a direct replacement? A: Yes. A 100V or 250V rated capacitor with identical 330 pF capacitance and 0603 package can replace the 50V part. Higher voltage rating provides additional safety margin without affecting circuit performance at the original 50V operating voltage. Physical dimensions and electrical characteristics remain compatible.

Q: What is the difference between C0G and NP0 temperature coefficients? A: C0G and NP0 are equivalent designations for the same temperature coefficient characteristic. Both indicate negligible capacitance change across the -55°C to 125°C operating range. Parts marked as either C0G or NP0 are interchangeable.

Q: Does tolerance affect substitutability? A: Tolerance affects capacitance accuracy but not substitutability. A ±1%, ±2%, or ±5% tolerance part can replace a ±10% part, providing tighter capacitance control. Select based on circuit requirements for capacitance precision. Looser tolerance parts cannot replace tighter tolerance specifications.

Q: Why is the original part marked "Not For New Designs"? A: This designation indicates the part has been superseded by newer alternatives. For new circuit designs and production, select active-status parts such as C1608C0G2E331J080AA (250V) or C1608NP02A331J080AA (100V) to ensure long-term supply availability and manufacturing support.

Q: Are TDK and KEMET parts interchangeable? A: Yes, provided capacitance, tolerance, voltage rating, temperature coefficient, and 0603 package specifications match. The KEMET C0603C331K5GAC7867 is electrically and mechanically equivalent to TDK C1608C0G1H331K080AA. Verify PCB layout compatibility and solder reflow profiles with component datasheets.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean? A: MSL 1 indicates the component has no moisture sensitivity limitations. No baking or dry-pack storage is required before soldering. The part can be stored and handled under standard warehouse conditions without moisture-related degradation.

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