EMVA100ADA331MHA0G Equivalent & Substitute Parts

Part Overview

The EMVA100ADA331MHA0G is a 330 µF, 10 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Chemi-Con. This component is part of the Alchip™-MVA series and is rated for 2000 hours at 85°C. The part is currently obsolete, which necessitates identification of equivalent and substitute components that maintain functional compatibility while offering improved performance characteristics or extended product lifecycle support.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	10 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Ripple Current @ 120 Hz	270 mA
Ripple Current @ 100 kHz	291.6 mA
Package Type	Radial, Can - SMD
Physical Dimensions	0.315" Dia (8.00mm) × 0.394" H (10.00mm)
Surface Mount Land Size	0.327" L × 0.327" W (8.30mm × 8.30mm)
Polarization	Polar
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the EMVA100ADA331MHA0G is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 330 µF
Voltage Rating: 10 V
Tolerance: ±20%
Polarization: Polar
Package Type: Radial, Can - SMD
Physical Dimensions: 0.315" Dia (8.00mm), Height within tolerance
Surface Mount Land Size: 0.327" L × 0.327" W (8.30mm × 8.30mm)
Mounting Type: Surface Mount

Performance Parameters (May Exceed Minimum Requirements):

Lifetime @ Temperature: Equal to or greater than 2000 Hrs @ 85°C
Operating Temperature Range: Equal to or greater than -40°C ~ 85°C
Ripple Current Ratings: Equal to or greater than specified values

Substitute parts are grouped into two categories: Direct Substitutes (same voltage rating, same or improved thermal performance) and Upgrade Substitutes (higher voltage ratings or enhanced thermal/electrical characteristics suitable for applications requiring margin or extended reliability).

Parameter Comparison

Part Number	Series	Capacitance	Voltage	Lifetime @ Temp	Operating Temp Range	Ripple @ 120 Hz	Ripple @ 100 kHz	Height (Max)	Status
EMVA100ADA331MHA0G	MVA	330 µF	10 V	2000 Hrs @ 85°C	-40°C ~ 85°C	270 mA	291.6 mA	0.394" (10.00mm)	Obsolete
EMLA100ARA331MHA0G	MLA	330 µF	10 V	3000 Hrs @ 105°C	-40°C ~ 105°C	300 mA	600 mA	0.406" (10.30mm)	Active
EMVY100ARA331MHA0G	MVY	330 µF	10 V	2000 Hrs @ 105°C	-55°C ~ 105°C	225 mA	450 mA	0.394" (10.00mm)	Active
EMVE100ARA331MHA0G	MVE	330 µF	10 V	2000 Hrs @ 105°C	-40°C ~ 105°C	290 mA	Not Specified	0.394" (10.00mm)	Active
EMHB100ARA331MHA0G	MHB	330 µF	10 V	2000 Hrs @ 125°C	-40°C ~ 125°C	223.2 mA	240 mA	0.413" (10.50mm)	Active
EMHJ100ARA331MHA0G	MHJ	330 µF	10 V	2000 Hrs @ 125°C	-40°C ~ 125°C	175 mA	350 mA	0.406" (10.30mm)	Active
EMLA160ARA331MHA0G	MLA	330 µF	16 V	3000 Hrs @ 105°C	-40°C ~ 105°C	300 mA	600 mA	0.406" (10.30mm)	Active
EMLA250ARA331MHA0G	MLA	330 µF	25 V	3000 Hrs @ 105°C	-40°C ~ 105°C	300 mA	600 mA	0.406" (10.30mm)	Active
EMVA160ARA331MHA0G	MVA	330 µF	16 V	2000 Hrs @ 85°C	-40°C ~ 85°C	270 mA	291.6 mA	0.394" (10.00mm)	Active
EMVA250ARA331MHA0G	MVA	330 µF	25 V	2000 Hrs @ 85°C	-40°C ~ 85°C	300 mA	324 mA	0.394" (10.00mm)	Last Time Buy
EMVE160ARA331MHA0G	MVE	330 µF	16 V	2000 Hrs @ 105°C	-40°C ~ 105°C	290 mA	Not Specified	0.394" (10.00mm)	Active

Engineering Selection Recommendations

Direct Substitutes (10 V Rating, Same Voltage Class):

EMLA100ARA331MHA0G is the primary direct substitute. This part maintains 330 µF capacitance and 10 V voltage rating with identical physical footprint and land pattern. The MLA series offers extended lifetime (3000 Hrs @ 105°C versus 2000 Hrs @ 85°C), expanded operating temperature range (-40°C ~ 105°C), and superior ripple current handling (600 mA @ 100 kHz). Product status is Active with full commercial availability. Height increases from 10.00mm to 10.30mm; verify PCB clearance before selection.

EMVY100ARA331MHA0G provides equivalent electrical performance with extended temperature range (-55°C ~ 105°C) and 2000 Hrs @ 105°C lifetime. Physical dimensions match the original part (0.394" height). Product status is Active. This selection is appropriate for applications requiring wider temperature operating margins.

EMVE100ARA331MHA0G maintains original physical dimensions (0.394" height) and offers 2000 Hrs @ 105°C lifetime with -40°C ~ 105°C operating range. Product status is Active. Ripple current @ 100 kHz is not specified; confirm adequacy for application requirements.

Upgrade Substitutes (Enhanced Thermal Performance, 10 V Rating):

EMHB100ARA331MHA0G and EMHJ100ARA331MHA0G are automotive-grade alternatives (AEC-Q200 rated) with 2000 Hrs @ 125°C lifetime and -40°C ~ 125°C operating range. These parts provide superior thermal margin for high-temperature applications. Height increases to 10.50mm (EMHB) or 10.30mm (EMHJ). Product status is Active for both. EMHB features 300 mOhm ESR @ 400 kHz; EMHJ features 150 mOhm ESR @ 100 kHz.

Higher Voltage Substitutes (Voltage Margin Applications):

EMLA160ARA331MHA0G, EMVA160ARA331MHA0G, and EMVE160ARA331MHA0G provide 16 V rating with identical 330 µF capacitance. These are suitable for applications where voltage margin is required. EMLA160ARA331MHA0G offers 3000 Hrs @ 105°C; EMVA160ARA331MHA0G and EMVE160ARA331MHA0G offer 2000 Hrs @ 85°C and 2000 Hrs @ 105°C respectively. All maintain 8.00mm diameter and 8.30mm × 8.30mm land pattern.

EMLA250ARA331MHA0G and EMVA250ARA331MHA0G provide 25 V rating for applications requiring maximum voltage margin. EMLA250ARA331MHA0G is Active; EMVA250ARA331MHA0G is Last Time Buy status.

All substitute parts are ROHS3 compliant, MSL 1 (Unlimited), and maintain identical polarization and mounting type.

Frequently Asked Questions (FAQ)

Q: Can EMLA100ARA331MHA0G directly replace EMVA100ADA331MHA0G in existing designs?

A: Yes, with one mechanical consideration. Both parts maintain 330 µF, 10 V, ±20% tolerance, identical 8.00mm diameter, and 8.30mm × 8.30mm land pattern. EMLA100ARA331MHA0G height is 10.30mm versus 10.00mm original; verify PCB clearance and solder reflow profile compatibility. Electrical performance is superior (3000 Hrs @ 105°C versus 2000 Hrs @ 85°C).

Q: What is the difference between MVA, MLA, MVY, MVE, MHB, and MHJ series?

A: These represent different thermal and performance grades within Chemi-Con's Alchip™ aluminum electrolytic capacitor family. MVA is the original series (2000 Hrs @ 85°C). MLA extends lifetime to 3000 Hrs @ 105°C. MVY provides -55°C lower temperature limit. MVE offers 2000 Hrs @ 105°C. MHB and MHJ are automotive-grade (AEC-Q200) with 2000 Hrs @ 125°C and enhanced ESR characteristics. Selection depends on application thermal requirements and temperature operating range.

Q: Are higher voltage ratings (16 V, 25 V) compatible with 10 V circuit designs?

A: Yes. Higher voltage-rated capacitors are electrically compatible in lower voltage applications. A 16 V or 25 V capacitor operates safely in a 10 V circuit. This approach provides voltage margin and may improve reliability in applications with transient overvoltage conditions. Physical dimensions must still be verified for PCB fit.

Q: What does "Last Time Buy" status mean for EMVA250ARA331MHA0G?

A: Last Time Buy indicates the manufacturer will accept orders for a limited period before discontinuing production. This part should not be selected for new designs requiring long-term supply. Use Active status parts (EMLA250ARA331MHA0G) for new designs.

Q: How do ripple current ratings affect component selection?

A: Ripple current capacity determines the maximum AC current the capacitor can safely handle without exceeding temperature limits. Higher ripple current ratings provide margin for applications with significant AC ripple. EMLA100ARA331MHA0G (600 mA @ 100 kHz) exceeds the original EMVA100ADA331MHA0G (291.6 mA @ 100 kHz), providing improved performance headroom.

Q: What is the significance of ESR (Equivalent Series Resistance) specifications?

A: ESR affects voltage ripple, heat generation, and frequency response. Lower ESR values indicate better high-frequency performance. EMHJ100ARA331MHA0G (150 mOhm @ 100 kHz) provides superior ESR compared to EMHB100ARA331MHA0G (300 mOhm @ 400 kHz). ESR becomes critical in switching power supply and high-frequency filtering applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed maintain ROHS3 compliance, MSL 1 (Unlimited moisture sensitivity level), and REACH Unaffected status, ensuring regulatory compatibility with current environmental standards.

Q: What packaging options are available?

A: The original EMVA100ADA331MHA0G uses standard packaging (not specified). Substitutes are available in Tape & Reel (TR) for automated assembly or Cut Tape (CT) for manual placement. Verify packaging compatibility with assembly equipment and procurement requirements.

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