EMVH250ARA331MJA0G Equivalent & Substitute Parts

Part Overview

The EMVH250ARA331MJA0G is a 330 µF, 25 V aluminum electrolytic capacitor manufactured by Chemi-Con in the Alchip™ MVH series. This surface mount radial can capacitor is designed for automotive applications with a rated lifetime of 2000 hours at 125°C. The part is currently active and in stock with 965 units available.

Substitute parts are necessary when the primary part becomes unavailable, when design requirements demand improved electrical characteristics such as lower ESR or higher ripple current handling, or when extended operational lifetime at elevated temperatures is required for enhanced reliability.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
ESR @ 100 kHz	300 mOhm
Lifetime @ Temperature	2000 Hrs @ 125°C
Operating Temperature Range	-40°C to 125°C
Ripple Current @ 120 Hz	275.28 mA
Ripple Current @ 100 kHz	296 mA
Package / Case	Radial, Can - SMD
Size / Dimension	0.394" Dia (10.00 mm)
Height - Seated (Max)	0.406" (10.30 mm)
Surface Mount Land Size	0.406" L x 0.406" W (10.30 mm x 10.30 mm)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the EMVH250ARA331MJA0G is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 330 µF
Voltage Rating: 25 V
Tolerance: ±20%
Polarization: Polar
Operating Temperature Range: -40°C to 125°C minimum
Package / Case: Radial, Can - SMD
Size / Dimension: 0.394" Dia (10.00 mm)
Surface Mount Land Size: 0.406" L x 0.406" W (10.30 mm x 10.30 mm)
Mounting Type: Surface Mount

Allowable Variation Parameters:

ESR @ 100 kHz: May be lower (improved performance)
Lifetime @ Temperature: May be extended (improved reliability)
Ripple Current: May be higher (improved performance)
Height - Seated (Max): May vary within 10.20 mm to 10.50 mm range
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable

Substitute Categories:

Parametric Equivalent: EMHJ250ARA331MJA0G (Chemi-Con) - Same manufacturer, same series family, improved ESR specification (120 mOhm vs 300 mOhm), higher ripple current capability, identical lifetime rating.

Direct Equivalents: EDT337M025S9PAA (KEMET), EEE-TG1E331UP (Panasonic) - Different manufacturers, identical electrical specifications, AEC-Q200 rated, suitable for direct replacement.

Upgrade Options: 25TGV330M10X10.5 (Rubycon), 25THV330M10X10.5 (Rubycon), EEE-TC1E331P (Panasonic), EEE-TK1E331UP (Panasonic), UCX1E331MCL1GS (Nichicon) - Extended lifetime (3000 hours at 125°C or higher temperature rating), improved ESR, higher ripple current handling, AEC-Q200 rated where applicable.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Capacitance	Voltage	ESR @ 100 kHz	Lifetime @ Temp	Ripple Current @ 100 kHz	Height (Max)	AEC-Q200	Product Status
EMVH250ARA331MJA0G	Chemi-Con	Alchip™ MVH	330 µF	25 V	300 mOhm	2000 Hrs @ 125°C	296 mA	10.30 mm	No	Active
EMHJ250ARA331MJA0G	Chemi-Con	Alchip™ MHJ	330 µF	25 V	120 mOhm	2000 Hrs @ 125°C	550 mA	10.30 mm	Yes	Active
EDT337M025S9PAA	KEMET	EDT	330 µF	25 V	Not Specified	2000 Hrs @ 125°C	257.143 mA	10.50 mm	Yes	Active
EEE-TG1E331UP	Panasonic Electronic Components	TG	330 µF	25 V	300 mOhm	2000 Hrs @ 125°C	270 mA	10.20 mm	Yes	Active
25TGV330M10X10.5	Rubycon	TGV	330 µF	25 V	120 mOhm	3000 Hrs @ 125°C	550 mA	10.50 mm	Yes	Active
25THV330M10X10.5	Rubycon	THV	330 µF	25 V	200 mOhm @ 100 Hz	3000 Hrs @ 125°C	500 mA	10.50 mm	Yes	Active
EEE-TC1E331P	Panasonic Electronic Components	TC	330 µF	25 V	150 mOhm	3000 Hrs @ 125°C	750 mA	10.50 mm	Yes	Active
EEE-TK1E331UP	Panasonic Electronic Components	TK	330 µF	25 V	200 mOhm	3000 Hrs @ 125°C	270 mA	10.20 mm	No	Active
UCX1E331MCL1GS	Nichicon	UCX	330 µF	25 V	150 mOhm	2000 Hrs @ 135°C	500 mA	10.50 mm	No	Not For New Designs

Engineering Selection Recommendations

For Direct Replacement (Same Performance Level):

EMHJ250ARA331MJA0G (Chemi-Con) is the preferred parametric equivalent. It maintains the same manufacturer and series family while providing improved electrical performance with lower ESR (120 mOhm vs 300 mOhm) and significantly higher ripple current capability (550 mA vs 296 mA at 100 kHz). This part carries AEC-Q200 certification, making it suitable for automotive applications. Product status is Active.

EEE-TG1E331UP (Panasonic) provides direct electrical equivalence with identical ESR and lifetime specifications. It is AEC-Q200 certified and Active in production status, suitable for automotive applications.

For Enhanced Reliability (Extended Lifetime):

25TGV330M10X10.5 (Rubycon) and EEE-TC1E331P (Panasonic) both offer 3000-hour lifetime at 125°C compared to the 2000-hour rating of the main part. Both are AEC-Q200 certified and Active. The Rubycon part provides 120 mOhm ESR with 550 mA ripple current. The Panasonic part provides 150 mOhm ESR with 750 mA ripple current, offering the highest ripple current handling among all options.

For High-Temperature Applications:

UCX1E331MCL1GS (Nichicon) extends the operating temperature to 135°C with 2000-hour lifetime at that temperature. However, this part is marked "Not For New Designs" and should only be selected if legacy design compatibility is required.

Compliance Considerations:

All recommended parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. Parts with AEC-Q200 certification (EMHJ250ARA331MJA0G, EDT337M025S9PAA, EEE-TG1E331UP, 25TGV330M10X10.5, 25THV330M10X10.5, EEE-TC1E331P) are qualified for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can EMHJ250ARA331MJA0G be used as a direct replacement for EMVH250ARA331MJA0G?

A: Yes. Both parts share identical capacitance (330 µF), voltage rating (25 V), tolerance (±20%), operating temperature range (-40°C to 125°C), package type (Radial, Can - SMD), and physical dimensions (10.00 mm diameter, 10.30 mm height). The EMHJ variant provides improved performance with lower ESR and higher ripple current capability. Both are manufactured by Chemi-Con and are Active products.

Q: What is the difference between parametric equivalents and upgrade options?

A: Parametric equivalents maintain the same electrical performance specifications (ESR, ripple current, lifetime) as the original part. Upgrade options provide enhanced performance characteristics such as lower ESR, higher ripple current handling, or extended lifetime ratings. All substitute parts maintain the critical parameters: 330 µF capacitance, 25 V voltage rating, ±20% tolerance, and compatible physical dimensions.

Q: Are all substitute parts suitable for automotive applications?

A: Parts with AEC-Q200 certification are qualified for automotive use. These include EMHJ250ARA331MJA0G, EDT337M025S9PAA, EEE-TG1E331UP, 25TGV330M10X10.5, and 25THV330M10X10.5. The original EMVH250ARA331MJA0G does not carry AEC-Q200 certification but is specified for automotive applications. EEE-TK1E331UP and UCX1E331MCL1GS are not AEC-Q200 certified and are designated for general purpose applications.

Q: Can I use a substitute part with a different height specification?

A: The original part specifies 10.30 mm maximum seated height. Substitute parts with heights of 10.20 mm or 10.50 mm are mechanically compatible within the allowable variation for surface mount radial can capacitors. Verify that your PCB layout and component clearance accommodate the maximum height of 10.50 mm if selecting parts with that specification.

Q: What does "Not For New Designs" mean for UCX1E331MCL1GS?

A: This designation indicates that while the part is still available and functional, the manufacturer recommends against using it in new product designs. This part should only be selected for legacy system maintenance or when existing designs specifically require this component. For new designs, select from parts marked as Active status.

Q: How do I choose between parts with different ESR values?

A: Lower ESR values reduce heat generation and improve high-frequency performance. The original part specifies 300 mOhm ESR. Substitute parts with 120 mOhm (EMHJ250ARA331MJA0G, 25TGV330M10X10.5) or 150 mOhm (EEE-TC1E331P, UCX1E331MCL1GS) provide improved performance. Select based on your circuit's ripple current requirements and thermal management capabilities. Higher ripple current handling typically correlates with lower ESR.

Q: Are packaging format differences (Tape & Reel vs Cut Tape) significant?

A: Both Tape & Reel (TR) and Cut Tape (CT) formats contain identical components and are suitable for automated assembly. The difference is in the delivery format. Tape & Reel is standard for high-volume production. Cut Tape is available for lower-volume requirements. Electrical and mechanical specifications remain identical regardless of packaging format.

Q: What is the significance of the 3000-hour lifetime rating in upgrade options?

A: The original part is rated for 2000 hours at 125°C. Upgrade options with 3000-hour ratings provide 50% extended operational life at the same temperature. This is beneficial for applications requiring higher reliability margins or extended service intervals. The extended lifetime does not change the operating temperature range but provides greater confidence in long-term performance.

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