EMVK6R3ADA331MHA0G Equivalent & Substitute Parts

Part Overview

The EMVK6R3ADA331MHA0G is a 330 µF, 6.3 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Chemi-Con under the Alchip™ MVK series. This component is rated for 2000 hours at 105°C and is designed for general-purpose applications. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support, production continuity, and system maintenance.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can - SMD
Size / Dimension	0.315" Dia (8.00mm)
Height - Seated (Max)	0.394" (10.00mm)
Surface Mount Land Size	0.327" L x 0.327" W (8.30mm x 8.30mm)
Mounting Type	Surface Mount
Ripple Current @ 120 Hz	290 mA
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the EMVK6R3ADA331MHA0G is determined by the following critical parameters:

Primary Compatibility Criteria:

Capacitance: 330 µF (exact match required)
Voltage Rating: 6.3 V minimum (equal or higher voltage rating acceptable)
Tolerance: ±20% (standard tolerance maintained)
Polarization: Polar (must remain polar)
Package Type: Radial, Can - SMD (physical form factor)
Surface Mount Land Size: 0.327" L x 0.327" W (8.30mm x 8.30mm) (PCB compatibility)
Mounting Type: Surface Mount (assembly process compatibility)

Secondary Compatibility Criteria:

Operating Temperature Range: -40°C ~ 105°C minimum
Moisture Sensitivity Level: 1 (Unlimited)
Physical dimensions must accommodate existing PCB layout

Substitute parts are grouped into two categories:

Direct Substitutes (Same Voltage Rating - 6.3 V): Parts maintaining identical voltage rating with improved or equivalent lifetime specifications. These provide drop-in replacement capability with enhanced reliability.

Upgrade Substitutes (Higher Voltage Ratings - 10 V, 16 V, 25 V): Parts with increased voltage ratings that maintain all other critical parameters. Higher voltage ratings provide additional design margin and are electrically compatible in applications where the original 6.3 V rating was not fully utilized.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp	Size (Dia)	Height (Max)	Ripple Current @ 120 Hz	Product Status	RoHS Status
EMVK6R3ADA331MHA0G	Chemi-Con	MVK	330 µF	6.3 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	0.315" (8.00mm)	0.394" (10.00mm)	290 mA	Obsolete	Not Specified
EMLA6R3ARA331MHA0G	Chemi-Con	MLA	330 µF	6.3 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	0.315" (8.00mm)	0.406" (10.30mm)	300 mA	Active	ROHS3 Compliant
EMVL6R3ARA331MHA0G	Chemi-Con	MVL	330 µF	6.3 V	±20%	5000 Hrs @ 105°C	-40°C ~ 105°C	0.315" (8.00mm)	0.406" (10.30mm)	160 mA	Active	ROHS3 Compliant
EMHB100ARA331MHA0G	Chemi-Con	MHB	330 µF	10 V	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.315" (8.00mm)	0.413" (10.50mm)	223.2 mA	Active	ROHS3 Compliant
EMHJ100ARA331MHA0G	Chemi-Con	MHJ	330 µF	10 V	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.315" (8.00mm)	0.406" (10.30mm)	175 mA	Active	ROHS3 Compliant
EMLA100ARA331MHA0G	Chemi-Con	MLA	330 µF	10 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	0.315" (8.00mm)	0.406" (10.30mm)	300 mA	Active	ROHS3 Compliant
EMLA160ARA331MHA0G	Chemi-Con	MLA	330 µF	16 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	0.315" (8.00mm)	0.406" (10.30mm)	300 mA	Active	ROHS3 Compliant
EMLA250ARA331MHA0G	Chemi-Con	MLA	330 µF	25 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	0.315" (8.00mm)	0.406" (10.30mm)	300 mA	Active	ROHS3 Compliant
EMVE100ARA331MHA0G	Chemi-Con	MVE	330 µF	10 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	0.315" (8.00mm)	0.394" (10.00mm)	290 mA	Active	ROHS3 Compliant
EMVE160ARA331MHA0G	Chemi-Con	MVE	330 µF	16 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	0.315" (8.00mm)	0.394" (10.00mm)	290 mA	Active	ROHS3 Compliant
EMVY100ARA331MHA0G	Chemi-Con	MVY	330 µF	10 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.315" (8.00mm)	0.394" (10.00mm)	225 mA	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Same 6.3 V Rating):

EMLA6R3ARA331MHA0G is the primary direct substitute. It maintains identical capacitance, voltage rating, and tolerance while offering extended lifetime (3000 hours at 105°C versus 2000 hours). This part is Active status with ROHS3 compliance and higher ripple current capability (300 mA at 120 Hz). Physical height increases from 0.394" to 0.406", requiring PCB layout verification.

EMVL6R3ARA331MHA0G provides the longest lifetime (5000 hours at 105°C) at the same voltage rating. This part is suitable for applications requiring maximum reliability. Physical dimensions match EMLA6R3ARA331MHA0G. Ripple current is reduced to 160 mA at 120 Hz.

For Voltage Upgrade Applications (Higher Voltage Ratings):

EMVE100ARA331MHA0G and EMVE160ARA331MHA0G maintain the original physical height (0.394") and ripple current characteristics (290 mA at 120 Hz) while providing 10 V and 16 V ratings respectively. These are suitable for designs where the original 6.3 V rating provides insufficient margin.

EMLA100ARA331MHA0G, EMLA160ARA331MHA0G, and EMLA250ARA331MHA0G offer extended lifetime (3000 hours at 105°C) with higher voltage ratings (10 V, 16 V, 25 V). These parts accommodate increased physical height (0.406") and provide higher ripple current (300 mA at 120 Hz).

EMHB100ARA331MHA0G and EMHJ100ARA331MHA0G are automotive-grade alternatives (AEC-Q200 rated) with 10 V rating and extended temperature operation to 125°C. These are suitable for automotive and high-reliability applications.

EMVY100ARA331MHA0G extends the lower operating temperature limit to -55°C while maintaining 10 V rating and original physical height. This part is suitable for wide-temperature-range applications.

Compliance Considerations:

All substitute parts listed are ROHS3 compliant and REACH unaffected. The original EMVK6R3ADA331MHA0G does not specify RoHS status. Selection of ROHS3-compliant substitutes ensures regulatory compliance for new designs and production.

Frequently Asked Questions (FAQ)

Q: Can EMLA6R3ARA331MHA0G directly replace EMVK6R3ADA331MHA0G on existing PCBs?

A: EMLA6R3ARA331MHA0G is electrically compatible and maintains the same capacitance, voltage, and tolerance. However, the seated height increases from 0.394" to 0.406". PCB layout must be verified to confirm clearance for the additional 0.012" height. The surface mount land size remains identical (0.327" x 0.327").

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes (EMLA6R3ARA331MHA0G, EMVL6R3ARA331MHA0G) maintain the original 6.3 V rating. Upgrade substitutes provide higher voltage ratings (10 V, 16 V, 25 V) while maintaining 330 µF capacitance. Higher voltage ratings are electrically compatible in applications where circuit voltage does not exceed the substitute part's rating, providing additional design margin.

Q: Are higher voltage-rated parts suitable for 6.3 V applications?

A: Yes. A 10 V, 16 V, or 25 V rated capacitor operates correctly in a 6.3 V circuit. The voltage rating indicates the maximum safe operating voltage. Operating at lower voltage than the rating does not degrade performance or reliability.

Q: What is the impact of increased lifetime specifications?

A: EMLA6R3ARA331MHA0G (3000 hours) and EMVL6R3ARA331MHA0G (5000 hours) provide longer operational life at 105°C compared to the original 2000 hours. This extends the expected service life of the capacitor in the application, reducing failure risk over extended operation.

Q: How do physical dimension changes affect PCB design?

A: The original EMVK6R3ADA331MHA0G has a maximum seated height of 0.394". Most substitute parts increase this to 0.406" or 0.413". The diameter remains 0.315" (8.00mm) and surface mount land size remains 0.327" x 0.327". PCB layout must accommodate the increased height to prevent component interference with adjacent parts or enclosure constraints.

Q: What is the significance of RoHS3 compliance on substitute parts?

A: All listed substitute parts are ROHS3 compliant, indicating compliance with Restriction of Hazardous Substances regulations. The original EMVK6R3ADA331MHA0G does not specify RoHS status. Selecting ROHS3-compliant substitutes ensures regulatory compliance for new production and design updates.

Q: Can EMVY100ARA331MHA0G be used in applications requiring extended low-temperature operation?

A: Yes. EMVY100ARA331MHA0G extends the lower operating temperature limit to -55°C (compared to -40°C for other parts). This part is suitable for applications requiring operation in cold environments. It maintains 10 V rating, 330 µF capacitance, and original physical height (0.394").

Q: What is the difference between automotive-grade parts (EMHB100ARA331MHA0G, EMHJ100ARA331MHA0G) and general-purpose parts?

A: Automotive-grade parts carry AEC-Q200 rating and are qualified for automotive applications. These parts feature extended temperature operation to 125°C and are subject to additional qualification testing. They are suitable for automotive and high-reliability applications where AEC-Q200 qualification is required.

Q: How do ripple current specifications affect part selection?

A: Ripple current indicates the AC current the capacitor can safely handle. The original part supports 290 mA at 120 Hz. EMLA series parts support 300 mA at 120 Hz (higher capability). EMVL6R3ARA331MHA0G supports only 160 mA at 120 Hz (lower capability). Selection must ensure the substitute part's ripple current rating meets or exceeds the application requirement.

Q: Is packaging format (Tape & Reel vs. standard) a consideration for substitution?

A: Packaging format affects procurement and assembly processes but does not impact electrical or mechanical compatibility. EMLA6R3ARA331MHA0G is supplied in Tape & Reel format, suitable for automated assembly. EMVL6R3ARA331MHA0G packaging is not specified. Confirm packaging availability with the supplier for production requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message