EMZA250ARA331MHA0G Equivalent & Substitute Parts

Part Overview

The EMZA250ARA331MHA0G is a 330 µF, 25 V aluminum electrolytic capacitor manufactured by Chemi-Con in the Alchip™-MZA series. This surface-mount radial can capacitor is designed for automotive applications and carries AEC-Q200 qualification. The component operates across a temperature range of -55°C to 105°C with a rated lifetime of 2000 hours at 105°C. Identification of equivalent and substitute parts is necessary to address inventory availability, supply chain continuity, and application-specific performance requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Capacitance	330	µF
Tolerance	±20%	—
Voltage - Rated	25	V
Lifetime @ Temperature	2000	Hrs @ 105°C
Operating Temperature Range	-55 to 105	°C
Polarization	Polar	—
Mounting Type	Surface Mount	—
Package / Case	Radial, Can - SMD	—
Size / Dimension	0.315" Dia (8.00mm)	—
Height - Seated (Max)	0.413" (10.50mm)	—
Surface Mount Land Size	0.327" L x 0.327" W (8.30mm x 8.30mm)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
AEC-Q200 Rating	Yes	—
Applications	Automotive	—

Substitute Part Grouping Explanation

Substitution of the EMZA250ARA331MHA0G is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: 25 V (minimum; higher voltage ratings are acceptable as upgrades)
Polarization: Polar (exact match required)
Mounting Type: Surface Mount (exact match required)
Package / Case: Radial, Can - SMD (exact match required)
Physical Dimensions: 0.315" Dia (8.00mm), Height 0.413" (10.50mm) maximum, Land Size 0.327" L x 0.327" W (8.30mm x 8.30mm) (exact match required)
Operating Temperature Range: -55°C to 105°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)
AEC-Q200 Rating: Required for automotive applications (exact match required)

Performance Parameters (Flexible):

Lifetime @ 105°C: 2000 hours (minimum); higher values represent performance upgrades
ESR and Ripple Current: Variations acceptable within application requirements
Impedance: Variations acceptable

Substitute parts are classified into three categories: Direct Substitutes (identical electrical and mechanical specifications), Upgrade Substitutes (enhanced performance characteristics such as extended lifetime or lower ESR), and Similar Parts (different voltage ratings or physical dimensions that may require design review).

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance (µF)	Voltage (V)	Lifetime @ 105°C (Hrs)	ESR @ 100kHz	Height (mm)	Product Status
EMZA250ARA331MHA0G	Chemi-Con	Alchip™-MZA	330	25	2000	—	10.50	Active
EMZJ250ARA331MHA0G	Chemi-Con	Alchip™-MZJ	330	25	2000	80 mOhm	10.30	Active
EEE-FP1E331AP	Panasonic	FP	330	25	2000	80 mOhm	10.20	Active
25TLV330M8X10.5	Rubycon	TLV	330	25	5000	—	10.50	Active
EEE-FK1E331AL	Panasonic	FK, Halogen Free	330	25	2000	—	10.50	Active
EEE-FK1E331AP	Panasonic	FK	330	25	2000	—	10.50	Active
EEE-FK1E331GP	Panasonic	FK	330	25	5000	—	10.50	Active
EEE-FT1V331AP	Panasonic	FT	330	35	2000	80 mOhm	10.50	Active
EEE-FT1V331GP	Panasonic	FT	330	35	5000	80 mOhm	10.50	Active
UCD1E331MNL1GS	Nichicon	UCD	330	25	5000	—	10.50	Active
AFC337M25G24T-F	Cornell Dubilier Electronics (CDE)	AFC	330	25	1000	700 mOhm @ 120Hz	10.20	Not For New Designs

Engineering Selection Recommendations

Direct Substitutes (Equivalent Electrical and Mechanical Performance):

EMZJ250ARA331MHA0G (Chemi-Con, Alchip™-MZJ series) and EEE-FP1E331AP (Panasonic, FP series) are direct substitutes for the EMZA250ARA331MHA0G. Both parts maintain identical capacitance (330 µF), voltage rating (25 V), lifetime (2000 hours @ 105°C), operating temperature range (-55°C to 105°C), and physical dimensions within acceptable tolerances. All three parts carry AEC-Q200 qualification and ROHS3 compliance. EMZJ250ARA331MHA0G exhibits a height of 10.30 mm and EEE-FP1E331AP a height of 10.20 mm, both within the 10.50 mm maximum specification. These parts are suitable for direct replacement in existing designs without modification.

Upgrade Substitutes (Enhanced Performance):

25TLV330M8X10.5 (Rubycon, TLV series), EEE-FK1E331AL (Panasonic, FK series, Halogen Free), EEE-FK1E331AP (Panasonic, FK series), EEE-FK1E331GP (Panasonic, FK series), and UCD1E331MNL1GS (Nichicon, UCD series) provide extended lifetime ratings of 5000 hours @ 105°C compared to the 2000-hour specification of the main part. These upgrades maintain all critical electrical parameters (330 µF, 25 V, -55°C to 105°C operating range) and physical dimensions. All upgrade substitutes are Active products with AEC-Q200 qualification and ROHS3 compliance. EEE-FK1E331AL is designated as Halogen Free and suitable for high-temperature reflow applications. These parts are recommended for applications requiring enhanced reliability and extended operational life.

Higher Voltage Upgrades:

EEE-FT1V331AP and EEE-FT1V331GP (Panasonic, FT series) provide 35 V voltage rating with 330 µF capacitance. These parts are electrically compatible as upgrades due to higher voltage margin and maintain identical physical dimensions and operating temperature range. EEE-FT1V331GP offers extended 5000-hour lifetime. Both parts carry AEC-Q200 qualification and ROHS3 compliance. Higher voltage rating provides additional design margin in applications subject to voltage transients.

Not Recommended for New Designs:

AFC337M25G24T-F (Cornell Dubilier Electronics, AFC series) is designated as "Not For New Designs" and exhibits significantly reduced lifetime (1000 hours @ 105°C) and elevated ESR (700 mOhm @ 120 Hz). This part is suitable only for legacy system maintenance where original specifications are mandatory.

Frequently Asked Questions (FAQ)

Q: Can EMZJ250ARA331MHA0G be used as a direct replacement for EMZA250ARA331MHA0G?

A: Yes. EMZJ250ARA331MHA0G is a direct substitute. Both parts share identical capacitance (330 µF), voltage rating (25 V), lifetime (2000 hours @ 105°C), operating temperature range (-55°C to 105°C), and physical dimensions within specification. Both carry AEC-Q200 qualification and ROHS3 compliance. The height difference (10.30 mm versus 10.50 mm maximum) is within acceptable tolerance.

Q: What is the difference between the main part and upgrade substitutes like EEE-FK1E331GP?

A: The primary difference is lifetime rating. EEE-FK1E331GP provides 5000 hours @ 105°C compared to 2000 hours for the main part. All other electrical parameters (330 µF, 25 V, -55°C to 105°C) and physical dimensions remain identical. Upgrade substitutes are suitable for applications requiring extended operational life and enhanced reliability.

Q: Are higher voltage parts like EEE-FT1V331AP compatible with 25 V circuit designs?

A: Yes. Higher voltage-rated capacitors (35 V) are electrically compatible in 25 V applications. The capacitor will operate within its voltage margin, providing additional design safety. Physical dimensions and operating temperature range remain identical to the main part.

Q: What does "Not For New Designs" mean for AFC337M25G24T-F?

A: This designation indicates the part is obsolete or end-of-life for new product development. AFC337M25G24T-F exhibits reduced lifetime (1000 hours @ 105°C) and elevated ESR (700 mOhm @ 120 Hz) compared to the main part. This part is suitable only for maintenance of existing systems where original specifications are required.

Q: Can I use EEE-FP1E331AP in place of EMZA250ARA331MHA0G without PCB modification?

A: Yes. EEE-FP1E331AP maintains identical surface-mount land size (0.327" L x 0.327" W / 8.30mm x 8.30mm) and physical diameter (0.315" / 8.00mm). Height is 10.20 mm, which is within the 10.50 mm maximum specification. No PCB modification is required.

Q: What is the significance of "Halogen Free" designation on EEE-FK1E331AL?

A: Halogen-free designation indicates the part meets environmental and manufacturing standards that restrict halogenated flame retardants. This designation is relevant for applications subject to specific environmental compliance requirements. EEE-FK1E331AL is also suitable for high-temperature reflow processes.

Q: Are all substitute parts AEC-Q200 qualified?

A: All substitute parts listed as Active or suitable for automotive applications carry AEC-Q200 qualification. AFC337M25G24T-F, designated "Not For New Designs," also carries AEC-Q200 qualification but is not recommended for new product development due to reduced performance specifications.

Q: What is the difference between EMZJ250ARA331MHA0G and EEE-FP1E331AP?

A: Both are direct substitutes with identical electrical specifications (330 µF, 25 V, 2000 hours @ 105°C). EMZJ250ARA331MHA0G is manufactured by Chemi-Con (Alchip™-MZJ series) with height 10.30 mm. EEE-FP1E331AP is manufactured by Panasonic (FP series) with height 10.20 mm. Both heights are within specification. Selection between these parts depends on manufacturer preference and inventory availability.

Q: Can I substitute UCD1E331MNL1GS for EMZA250ARA331MHA0G?

A: Yes. UCD1E331MNL1GS (Nichicon, UCD series) is an upgrade substitute with extended 5000-hour lifetime @ 105°C. All electrical parameters (330 µF, 25 V, -55°C to 105°C) and physical dimensions match the main part. UCD1E331MNL1GS carries AEC-Q200 qualification and ROHS3 compliance. Note: MSL rating is "Not Applicable" rather than "1 (Unlimited)"; verify moisture handling requirements for your application.

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