EMK107B7333MA-T Equivalent & Substitute Parts

Part Overview

The EMK107B7333MA-T is a 0.033 µF ceramic capacitor manufactured by Taiyo Yuden, rated for 16V with X7R temperature coefficient in 0603 (1608 Metric) surface mount package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary to support existing designs, maintain production continuity, and ensure component availability for repair and replacement applications.

Key Parameters

Parameter	Value
Capacitance	0.033 µF
Voltage Rating	16V
Temperature Coefficient	X7R
Tolerance	±20%
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the EMK107B7333MA-T is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria (Direct Equivalents):

Capacitance: 0.033 µF (exact match required)
Voltage Rating: 16V (exact match required)
Temperature Coefficient: X7R (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
Operating Temperature: -55°C ~ 125°C (exact match required)

Secondary Substitution Criteria (Upgrades):

Tolerance: ±20% or tighter (±10%, ±5%)
Voltage Rating: 16V or higher (25V, 50V, 100V)
RoHS Compliance: ROHS3 Compliant preferred

Parts are grouped into two categories: Direct Equivalents (matching all primary criteria) and Upgrades (enhanced specifications while maintaining core functionality).

Parameter Comparison

Manufacturer	Part Number	Capacitance	Voltage	Tolerance	Temperature Coefficient	Package	Thickness (Max)	Product Status	RoHS Status
Taiyo Yuden	EMK107B7333MA-T	0.033 µF	16V	±20%	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Not For New Designs	ROHS3 Compliant
KEMET	C0603C333M4RAC7867	0.033 µF	16V	±20%	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	ROHS3 Compliant
KYOCERA AVX	KGM15AR71C333MT	0.033 µF	16V	±20%	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Active	ROHS3 Compliant
KYOCERA AVX	06035C333KA12A	0.033 µF	50V	±10%	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Active	RoHS non-compliant
KEMET	C0603C333J1RAC7867	0.033 µF	100V	±5%	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	ROHS3 Compliant
KEMET	C0603C333J3RAC7867	0.033 µF	25V	±5%	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	ROHS3 Compliant
KEMET	C0603C333J4RAC7867	0.033 µF	16V	±5%	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	ROHS3 Compliant
KEMET	C0603C333J5RAC7867	0.033 µF	50V	±5%	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	ROHS3 Compliant
KEMET	C0603C333K1RAC7867	0.033 µF	100V	±10%	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	ROHS3 Compliant
KEMET	C0603C333K3RAC7867	0.033 µF	25V	±10%	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	ROHS3 Compliant
KEMET	C0603C333K4RAC7867	0.033 µF	16V	±10%	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (Recommended for Direct Replacement):

The following parts provide direct functional equivalence to the EMK107B7333MA-T with identical electrical specifications and package dimensions:

C0603C333M4RAC7867 (KEMET): Active product status with ROHS3 compliance. Thickness 0.034" (0.87mm) is within acceptable tolerance range. Suitable for immediate substitution in existing designs.
KGM15AR71C333MT (KYOCERA AVX): Active product status with ROHS3 compliance. Thickness 0.035" (0.90mm) matches original specification. Suitable for immediate substitution in existing designs.

Upgraded Alternatives (Enhanced Specifications):

The following parts offer improved specifications while maintaining 0603 package compatibility and X7R temperature coefficient:

C0603C333J4RAC7867 (KEMET): 16V rated with ±5% tolerance (tighter than original ±20%). Active status, ROHS3 compliant. Recommended for applications requiring improved capacitance stability.
C0603C333K4RAC7867 (KEMET): 16V rated with ±10% tolerance. Active status, ROHS3 compliant. Provides improved tolerance specification over original ±20%.
C0603C333J3RAC7867 (KEMET): 25V rated with ±5% tolerance. Active status, ROHS3 compliant. Recommended for applications with voltage margin requirements.
C0603C333J5RAC7867 (KEMET): 50V rated with ±5% tolerance. Active status, ROHS3 compliant. Recommended for applications requiring higher voltage headroom.
C0603C333J1RAC7867 (KEMET): 100V rated with ±5% tolerance. Active status, ROHS3 compliant. Recommended for applications with significant voltage margin requirements.
C0603C333K1RAC7867 (KEMET): 100V rated with ±10% tolerance. Active status, ROHS3 compliant. Cut Tape & Digi-Reel packaging available.
C0603C333K3RAC7867 (KEMET): 25V rated with ±10% tolerance. Active status, ROHS3 compliant. High inventory availability (74,792 pcs).

Non-Recommended:

06035C333KA12A (KYOCERA AVX): RoHS non-compliant status. Not recommended for new applications or designs requiring RoHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can C0603C333M4RAC7867 be used as a direct replacement for EMK107B7333MA-T?

A: Yes. C0603C333M4RAC7867 meets all primary substitution criteria: 0.033 µF capacitance, 16V voltage rating, X7R temperature coefficient, ±20% tolerance, 0603 package, and -55°C to 125°C operating range. Both components are ROHS3 compliant and have identical moisture sensitivity level (MSL 1). The thickness difference (0.034" vs 0.035") is within acceptable tolerance for surface mount assembly.

Q: What is the difference between direct equivalents and upgraded alternatives?

A: Direct equivalents match all electrical and mechanical specifications of the original EMK107B7333MA-T. Upgraded alternatives maintain the same capacitance, package, and temperature coefficient but offer enhanced specifications such as higher voltage ratings (25V, 50V, 100V) or tighter tolerance (±5% or ±10% instead of ±20%). Upgrades are suitable when circuit design permits higher voltage ratings or when improved capacitance stability is beneficial.

Q: Are all substitute parts ROHS3 compliant?

A: All recommended direct equivalents and most upgraded alternatives are ROHS3 compliant. The exception is 06035C333KA12A, which is RoHS non-compliant and is not recommended for applications requiring RoHS compliance.

Q: Does package thickness affect PCB assembly compatibility?

A: The thickness specifications for all listed parts (0.034" to 0.035") are within standard 0603 package tolerances and do not affect PCB assembly compatibility. Surface mount assembly equipment accommodates this variation without adjustment.

Q: Can a 25V or 50V rated capacitor replace a 16V rated capacitor?

A: Yes, in applications where circuit voltage does not exceed the original 16V rating. Higher voltage-rated capacitors (25V, 50V, 100V) are electrically compatible and provide additional voltage margin. This substitution is valid when the circuit design permits the use of higher voltage-rated components.

Q: What is the significance of tolerance ratings (±20%, ±10%, ±5%)?

A: Tolerance indicates the allowable deviation from the nominal capacitance value. The original EMK107B7333MA-T has ±20% tolerance, meaning actual capacitance can range from 0.0264 µF to 0.0396 µF. Upgraded alternatives with ±10% or ±5% tolerance provide tighter capacitance control, beneficial for applications sensitive to capacitance variation. Selection depends on circuit requirements.

Q: Is MSL (Moisture Sensitivity Level) 1 consistent across all substitute parts?

A: Yes. All listed parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Components can be stored and handled without special moisture control measures, and shelf life is not limited by moisture exposure.

Q: What applications are these capacitors suitable for?

A: The original part is specified for SMPS (Switched Mode Power Supply) filtering. Direct equivalents and upgrades are suitable for bypass, decoupling, and general-purpose applications in the same package and voltage class. Application suitability depends on circuit requirements for capacitance value, voltage rating, and tolerance.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message