08055C333KAT4P Equivalent & Substitute Parts

Part Overview

The 08055C333KAT4P is a 0.033 µF ceramic capacitor manufactured by KYOCERA AVX, rated for 50V with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is Active status and ROHS3 compliant. Equivalent and substitute parts are identified based on matching or exceeding electrical specifications while maintaining mechanical compatibility with the 0805 package footprint and surface mount mounting type.

Key Parameters

Parameter	Value
Capacitance	0.033 µF
Voltage Rating	50V
Tolerance	±10%
Temperature Coefficient	X7R
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is determined by the following criteria:

Electrical Compatibility: Capacitance value (0.033 µF), voltage rating (50V minimum), temperature coefficient (X7R), and operating temperature range (-55°C ~ 125°C) must match or exceed the main part specifications.

Mechanical Compatibility: Package type must be 0805 (2012 Metric) with surface mount mounting to ensure PCB footprint compatibility.

Regulatory Compliance: All substitute parts must maintain ROHS3 compliance and MSL 1 rating.

Substitute parts are categorized as:

Upgrade Parts: Higher voltage rating (100V) or improved tolerance (±5%) while maintaining all other specifications. These provide enhanced performance margin in the same package.

Direct Equivalents: Identical electrical specifications (0.033 µF, 50V, ±10%, X7R) from alternative manufacturers. These are pin-for-pin compatible replacements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Temperature Coefficient	Package	Thickness (Max)	RoHS Status	Inventory
08055C333KAT4P	KYOCERA AVX	0.033 µF	50V	±10%	X7R	0805	0.037"	ROHS3	933 Pcs
Upgrade Parts
KGM21AR72A333JU	KYOCERA AVX	0.033 µF	100V	±5%	X7R	0805	0.057"	ROHS3	12131 Pcs
KGM21NR71H333JT	KYOCERA AVX	0.033 µF	50V	±5%	X7R	0805	0.039"	ROHS3	238914 Pcs
KGM21NR71H333KM	KYOCERA AVX	0.033 µF	50V	±10%	X7R	0805	0.039"	ROHS3	70539 Pcs
KGM21NR71H333KT	KYOCERA AVX	0.033 µF	50V	±10%	X7R	0805	0.039"	ROHS3	53287 Pcs
C0805C333J1RAC7800	KEMET	0.033 µF	100V	±5%	X7R	0805	0.039"	ROHS3	8959 Pcs
Direct Equivalents
0805B333K500CT	Walsin Technology Corporation	0.033 µF	50V	±10%	X7R	0805	0.035"	ROHS3	7352 Pcs
C0805C333K5RAC7800	KEMET	0.033 µF	50V	±10%	X7R	0805	0.035"	ROHS3	137330 Pcs
CC0805KPX7R9BB333	YAGEO	0.033 µF	50V	±10%	X7R	0805	0.037"	ROHS3	121094 Pcs
CC0805KRX7R9BB333	YAGEO	0.033 µF	50V	±10%	X7R	0805	0.033"	ROHS3	1783 Pcs
VJ0805Y333KXACW1BC	Vishay Vitramon	0.033 µF	50V	±10%	X7R	0805	0.035"	ROHS3	8420 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original 08055C333KAT4P specification.

For direct replacement: Select from direct equivalent parts (0805B333K500CT, C0805C333K5RAC7800, CC0805KPX7R9BB333, CC0805KRX7R9BB333, VJ0805Y333KXACW1BC) when identical electrical and mechanical specifications are required. These parts are functionally interchangeable with the main part.

For enhanced performance margin: Select upgrade parts (KGM21AR72A333JU, C0805C333J1RAC7800) when higher voltage rating (100V) is beneficial for circuit reliability. Select KGM21NR71H333JT when improved tolerance (±5%) is required for precision applications.

For same-manufacturer continuity: KYOCERA AVX upgrade parts (KGM21NR71H333KM, KGM21NR71H333KT) provide supply chain consistency while maintaining identical electrical specifications to the main part.

Thickness variation across substitute parts ranges from 0.033" to 0.057". Verify PCB clearance and assembly constraints before selection, particularly for upgrade parts with higher voltage ratings.

Frequently Asked Questions (FAQ)

Q: Can I use a 100V rated capacitor in place of the 50V rated 08055C333KAT4P?

A: Yes. Higher voltage rating provides additional safety margin and is electrically compatible. Parts KGM21AR72A333JU and C0805C333J1RAC7800 are 100V rated upgrades. Verify PCB layout accommodates the increased thickness (0.057" for KGM21AR72A333JU).

Q: What is the difference between ±10% and ±5% tolerance parts?

A: Tolerance specifies the allowable deviation from the nominal 0.033 µF value. ±5% tolerance (KGM21NR71H333JT, C0805C333J1RAC7800) provides tighter capacitance accuracy for precision circuits. ±10% tolerance parts are suitable for general purpose applications.

Q: Are all substitute parts pin-for-pin compatible?

A: Yes. All substitute parts use the same 0805 (2012 Metric) surface mount package with identical footprint and pin configuration. PCB layout compatibility is assured.

Q: Does thickness variation affect PCB assembly?

A: Thickness ranges from 0.033" to 0.057" across substitute parts. Verify clearance with adjacent components and assembly equipment. Most applications tolerate this variation, but height-constrained designs require confirmation.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 rating, matching the regulatory status of the original part.

Q: Which substitute part has the highest inventory availability?

A: KGM21NR71H333JT (KYOCERA AVX) has the highest inventory at 238,914 pieces, followed by C0805C333K5RAC7800 (KEMET) at 137,330 pieces.

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