EMVA4R0ADA331MF80G Equivalent & Substitute Parts

Part Overview

The EMVA4R0ADA331MF80G is a 330 µF, 4 V aluminum electrolytic capacitor manufactured by Chemi-Con in the Alchip™ MVA series. This surface mount device is rated for 2000 hours at 85°C and is designed for general purpose applications. The part is designated as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute components is necessary to ensure design continuity and procurement availability for ongoing production and maintenance requirements.

Key Parameters

Parameter	Value	Unit
Capacitance	330	µF
Voltage Rating	4	V
Tolerance	±20%	—
Lifetime @ Temperature	2000 Hrs @ 85°C	—
Operating Temperature Range	-40°C to 85°C	—
Ripple Current @ 120 Hz	135	mA
Ripple Current @ 100 kHz	145.8	mA
Case Size	0.248" Dia (6.30mm)	—
Height	0.315" (8.00mm)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the EMVA4R0ADA331MF80G is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Case Diameter: 0.248" (6.30mm) (exact match required)
Surface Mount Land Size: 0.260" L x 0.260" W (6.60mm x 6.60mm) (exact match required)
Mounting Type: Surface Mount (exact match required)
Polarization: Polar (exact match required)

Voltage Rating Consideration: The original part is rated at 4 V. Substitute parts rated at 6.3 V or higher are electrically compatible in circuits designed for 4 V operation, as higher voltage ratings provide increased safety margin and reliability. The physical dimensions and mounting footprint remain identical across the substitute group.

Thermal and Lifetime Characteristics: Substitute parts with extended lifetime ratings (3000 hours or higher) and elevated temperature ratings (-55°C to 105°C) provide enhanced performance characteristics while maintaining mechanical and electrical compatibility.

Application-Specific Variants: Automotive-grade substitutes (AEC-Q200 rated) are available for applications requiring automotive qualification. General purpose variants remain available for non-automotive applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Capacitance (µF)	Voltage (V)	Lifetime @ Temp	Operating Temp Range (°C)	Ripple Current @ 120 Hz (mA)	Ripple Current @ 100 kHz (mA)	Case Diameter (mm)	Height (mm)	Product Status	Packaging
EMVA4R0ADA331MF80G	Chemi-Con	Alchip™ MVA	330	4	2000 Hrs @ 85°C	-40 to 85	135	145.8	6.30	8.00	Last Time Buy	Tape & Reel
EMLA6R3ARA331MF80G	Chemi-Con	Alchip™ MLA	330	6.3	3000 Hrs @ 105°C	-40 to 105	115	230	6.30	8.00	Active	Tape & Reel
EMVA6R3ADA331MF80G	Chemi-Con	Alchip™ MVA	330	6.3	2000 Hrs @ 85°C	-40 to 85	135	145.8	6.30	7.70	Last Time Buy	Cut Tape
EMZJ6R3ARA331MF80G	Chemi-Con	Alchip™ MZJ	330	6.3	2000 Hrs @ 105°C	-55 to 105	300	600	6.30	8.00	Active	Tape & Reel
6.3JZV330M6.3X8	Rubycon	JZV	330	6.3	2000 Hrs @ 105°C	-55 to 105	180	—	6.30	8.00	Active	Tape & Reel
6.3JZV330MBOZ6.3X8	Rubycon	JZV	330	6.3	2000 Hrs @ 105°C	-55 to 105	180	300	6.30	8.00	Active	Tape & Reel
6.3SEV330M6.3X8	Rubycon	SEV	330	6.3	2000 Hrs @ 85°C	-40 to 85	190	228	6.30	8.00	Active	Tape & Reel
6.3TKV330M6.3X8	Rubycon	TKV	330	6.3	2000 Hrs @ 105°C	-55 to 105	360	600	6.30	8.00	Active	Tape & Reel
6.3TZV330M6.3X8	Rubycon	TZV	330	6.3	2000 Hrs @ 105°C	-55 to 105	180	300	6.30	8.00	Active	Tape & Reel
AFK337M06X16T-F	Cornell Dubilier Electronics	AFK	330	6.3	2000 Hrs @ 105°C	-55 to 105	210	280	6.30	8.20	Active	Tape & Reel
AVE337M06X16T-F	Cornell Dubilier Electronics	AVE	330	6.3	2000 Hrs @ 85°C	-40 to 85	139	111.2	6.30	8.00	Obsolete	Tape & Reel

Engineering Selection Recommendations

Primary Substitutes (Active Status, Chemi-Con Manufacturer):

EMLA6R3ARA331MF80G and EMZJ6R3ARA331MF80G are the recommended primary substitutes from Chemi-Con. Both maintain the same manufacturer lineage as the original part and are in Active product status. EMLA6R3ARA331MF80G offers extended lifetime (3000 hours at 105°C) and elevated operating temperature range (-40°C to 105°C). EMZJ6R3ARA331MF80G provides automotive-grade qualification (AEC-Q200) with enhanced ripple current handling (300 mA @ 120 Hz, 600 mA @ 100 kHz) and extended temperature range (-55°C to 105°C).

Secondary Substitutes (Active Status, Alternative Manufacturers):

Rubycon and Cornell Dubilier Electronics offer multiple Active alternatives with identical case dimensions and mounting footprints. The 6.3TZV330M6.3X8 (Rubycon TZV series) provides the highest inventory availability (4383 units) and maintains AEC-Q200 automotive qualification. The 6.3TKV330M6.3X8 (Rubycon TKV series) offers superior ripple current performance (360 mA @ 120 Hz, 600 mA @ 100 kHz) with AEC-Q200 rating and 1654 units in stock.

Thermal Performance Consideration:

For applications requiring operation at elevated temperatures or extended service life, EMZJ6R3ARA331MF80G, 6.3JZV330M6.3X8, 6.3JZV330MBOZ6.3X8, 6.3TKV330M6.3X8, and 6.3TZV330M6.3X8 all provide 2000-hour lifetime ratings at 105°C with operating temperature range of -55°C to 105°C.

Thermal Performance for Standard Applications:

For applications operating within -40°C to 85°C range, EMVA6R3ADA331MF80G, 6.3SEV330M6.3X8, and AVE337M06X16T-F maintain thermal characteristics equivalent to the original part while providing 6.3 V voltage rating.

Compliance and Certification:

All substitute parts listed are ROHS3 compliant and REACH unaffected. Automotive-qualified variants (AEC-Q200 rated) are available for applications requiring automotive industry standards.

Obsolete Part Avoidance:

AVE337M06X16T-F is designated Obsolete and should not be selected for new designs or long-term procurement strategies.

Frequently Asked Questions (FAQ)

Q: Can a 6.3 V rated capacitor replace a 4 V rated capacitor?

A: Yes. A higher voltage rating provides increased electrical safety margin in circuits designed for lower voltage operation. The 6.3 V substitutes are electrically compatible with 4 V circuit requirements. Physical dimensions and mounting footprints are identical.

Q: What is the significance of the Last Time Buy designation on the original part?

A: Last Time Buy indicates the manufacturer has discontinued production. Existing inventory may be available for a limited period, but long-term procurement is not guaranteed. Transition to an Active status substitute is necessary for ongoing production requirements.

Q: Are all substitute parts mechanically compatible with the original part?

A: All listed substitutes maintain the same case diameter (6.30mm), surface mount land size (6.60mm x 6.60mm), and mounting type (Surface Mount). Height variations exist: the original part and most substitutes are 8.00mm, while EMVA6R3ADA331MF80G is 7.70mm and AFK337M06X16T-F is 8.20mm. These minor height differences do not affect PCB assembly compatibility for standard surface mount processes.

Q: What is the difference between general purpose and automotive-grade substitutes?

A: Automotive-grade substitutes carry AEC-Q200 certification, indicating qualification for automotive industry reliability and temperature cycling standards. These parts are suitable for both automotive and general purpose applications. General purpose variants lack this certification but are suitable for non-automotive applications.

Q: Which substitute offers the best ripple current performance?

A: The 6.3TKV330M6.3X8 provides the highest ripple current ratings at 360 mA @ 120 Hz and 600 mA @ 100 kHz. The EMZJ6R3ARA331MF80G and 6.3TZV330M6.3X8 also provide 600 mA @ 100 kHz ripple current capability.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel packaging provides components on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape provides components on cut sections of carrier tape. Both are surface mount compatible. EMVA6R3ADA331MF80G is the only substitute available in Cut Tape format.

Q: Are there inventory considerations for substitute selection?

A: Yes. The 6.3TZV330M6.3X8 has the highest inventory availability at 4383 units. EMLA6R3ARA331MF80G, 6.3TKV330M6.3X8, and AVE337M06X16T-F also maintain substantial inventory levels (999, 1654, and 2479 units respectively). Inventory levels should be verified at time of procurement.

Q: Can the original EMVA4R0ADA331MF80G be used interchangeably with EMVA6R3ADA331MF80G?

A: Both are Chemi-Con Alchip™ MVA series parts with identical electrical specifications except for voltage rating (4 V vs. 6.3 V). The 6.3 V variant is a direct upgrade. However, the 6.3 V variant has a slightly lower height (7.70mm vs. 8.00mm), which may affect PCB layout in space-constrained applications. Mechanical verification is recommended.

Q: Which substitute is recommended for new design implementations?

A: For new designs requiring Active status and extended lifecycle support, EMZJ6R3ARA331MF80G (Chemi-Con, automotive-qualified) or 6.3TZV330M6.3X8 (Rubycon, highest inventory, automotive-qualified) are recommended. Both provide AEC-Q200 certification, extended temperature range (-55°C to 105°C), and 2000-hour lifetime at 105°C.

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