EMZL160ARA331MHA0G Equivalent & Substitute Parts

Part Overview

The EMZL160ARA331MHA0G is a 330 µF, 16 V aluminum electrolytic capacitor manufactured by Chemi-Con in the Alchip™ MZL series. This surface mount radial can capacitor is designed for automotive applications with AEC-Q200 qualification and operates across a temperature range of -55°C to 105°C with a rated lifetime of 5000 hours at 105°C. The component is currently in active production status with 1132 pieces available in inventory. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to component availability, supply chain considerations, or design flexibility within the same application category.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
ESR / Impedance	160 mOhm @ 100 kHz
Lifetime	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Package Type	Radial, Can - SMD
Physical Size	0.315" Dia (8.00 mm) × 0.413" Height (10.50 mm)
Land Size	0.327" L × 0.327" W (8.30 mm × 8.30 mm)
Mounting Type	Surface Mount
Polarization	Polar
AEC-Q200 Compliance	Yes
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the EMZL160ARA331MHA0G are qualified based on the following criteria:

Electrical Equivalence: All substitute parts maintain identical capacitance (330 µF), voltage rating (16 V), and tolerance (±20%). Lifetime rating of 5000 hours at 105°C is preserved across all substitutes.

Mechanical Compatibility: All substitute parts share the same physical dimensions (0.315" diameter, 0.413" maximum height) and surface mount land size (0.327" × 0.327"), ensuring direct PCB footprint compatibility without layout modifications.

Thermal and Operating Range: All substitutes operate across the identical temperature range of -55°C to 105°C, maintaining thermal performance requirements for automotive applications.

Compliance and Ratings: All substitute parts carry AEC-Q200 automotive qualification, ROHS3 compliance, and EAR99 export classification, matching the regulatory requirements of the primary part.

Impedance Characteristics: Substitute parts maintain impedance values at or near 160 mOhm, with minor variations (160-170 mOhm) that remain within acceptable electrical performance parameters for the application category.

Ripple Current Performance: Ripple current specifications vary among substitutes but remain within automotive-grade performance bands, with high-frequency ripple current (100 kHz) consistently rated at 450-600 mA.

Parameter Comparison

Parameter	EMZL160ARA331MHA0G (Chemi-Con)	EEE-FK1C331GP (Panasonic)	UCD1C331MNL1GS (Nichicon)	UUD1C331MNL1GS (Nichicon)
Manufacturer	Chemi-Con	Panasonic Electronic Components	Nichicon	Nichicon
Series	Alchip™ MZL	FK	UCD	UUD
Capacitance	330 µF	330 µF	330 µF	330 µF
Voltage Rating	16 V	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%	±20%
ESR / Impedance @ 100 kHz	160 mOhm	160 mOhm	160 mOhm	170 mOhm
Lifetime @ 105°C	5000 Hrs	5000 Hrs	5000 Hrs	5000 Hrs
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Ripple Current @ 120 Hz	300 mA	450 mA	300 mA	225 mA
Ripple Current @ 100 kHz	600 mA	600 mA	600 mA	450 mA
Physical Size (Diameter)	0.315" (8.00 mm)	0.315" (8.00 mm)	0.315" (8.00 mm)	0.315" (8.00 mm)
Physical Size (Height)	0.413" (10.50 mm)	0.413" (10.50 mm)	0.413" (10.50 mm)	0.413" (10.50 mm)
Land Size	0.327" × 0.327" (8.30 × 8.30 mm)	0.327" × 0.327" (8.30 × 8.30 mm)	0.327" × 0.327" (8.30 × 8.30 mm)	0.327" × 0.327" (8.30 × 8.30 mm)
Package Type	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
AEC-Q200	Yes	Yes	Yes	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)
Product Status	Active	Active	Active	Active
Inventory Availability	1132 Pcs	1599 Pcs	24400 Pcs	2189 Pcs

Engineering Selection Recommendations

EEE-FK1C331GP (Panasonic FK Series): This substitute maintains full electrical and mechanical equivalence with the primary part. The Panasonic FK series demonstrates higher ripple current capability at low frequency (450 mA @ 120 Hz) compared to the EMZL160ARA331MHA0G. All compliance certifications, including AEC-Q200 and ROHS3, are matched. Inventory availability is 1599 pieces. This part is suitable for direct substitution in automotive applications where the enhanced low-frequency ripple current performance is beneficial or neutral to circuit operation.

UCD1C331MNL1GS (Nichicon UCD Series): This substitute provides electrical equivalence with identical impedance (160 mOhm) and ripple current specifications matching the primary part. The UCD series is available in significantly higher inventory (24400 pieces), providing supply chain flexibility. All AEC-Q200 and ROHS3 certifications are maintained. The MSL rating is listed as Not Applicable rather than Level 1, which may require verification for moisture-sensitive storage environments. This part is suitable for direct substitution in automotive applications with standard moisture handling protocols.

UUD1C331MNL1GS (Nichicon UUD Series): This substitute maintains electrical equivalence with a slightly elevated impedance of 170 mOhm (compared to 160 mOhm in the primary part) and reduced ripple current specifications at both low frequency (225 mA @ 120 Hz) and high frequency (450 mA @ 100 kHz). All AEC-Q200 and ROHS3 certifications are preserved. Inventory availability is 2189 pieces. This part is suitable for direct substitution in automotive applications where the reduced ripple current performance remains within circuit design margins.

All substitute parts are active production components with confirmed automotive qualification and regulatory compliance. Selection among substitutes should be based on supply chain availability, ripple current performance requirements, and inventory lead times specific to the application timeline.

Frequently Asked Questions (FAQ)

Q: Can the EEE-FK1C331GP be used as a direct replacement for the EMZL160ARA331MHA0G?

A: Yes. Both parts share identical capacitance (330 µF), voltage rating (16 V), tolerance (±20%), physical dimensions (0.315" diameter × 0.413" height), and land size (0.327" × 0.327"). Both carry AEC-Q200 automotive qualification and ROHS3 compliance. The EEE-FK1C331GP features higher low-frequency ripple current capability (450 mA @ 120 Hz versus 300 mA), which does not prevent substitution. PCB layout modifications are not required.

Q: What is the difference in impedance between the UUD1C331MNL1GS and the primary part?

A: The UUD1C331MNL1GS has an impedance of 170 mOhm at 100 kHz, compared to 160 mOhm for the EMZL160ARA331MHA0G. This 10 mOhm difference represents a 6.25% increase in impedance. For most automotive applications, this variation remains within acceptable performance parameters. Circuit-specific analysis is required if impedance tolerance is critical to application performance.

Q: Are all substitute parts suitable for automotive applications?

A: Yes. All three substitute parts (EEE-FK1C331GP, UCD1C331MNL1GS, and UUD1C331MNL1GS) carry AEC-Q200 automotive qualification, matching the primary part. All operate across the identical temperature range (-55°C to 105°C) and maintain 5000-hour lifetime ratings at 105°C. All are ROHS3 compliant and carry EAR99 export classification.

Q: Which substitute part has the best inventory availability?

A: The UCD1C331MNL1GS (Nichicon UCD series) has the highest inventory availability at 24400 pieces, compared to 1599 pieces for the EEE-FK1C331GP and 2189 pieces for the UUD1C331MNL1GS. The primary part EMZL160ARA331MHA0G has 1132 pieces in stock.

Q: What is the difference in packaging between the substitute parts?

A: The EMZL160ARA331MHA0G and EEE-FK1C331GP are supplied in Tape & Reel (TR) packaging. The UCD1C331MNL1GS and UUD1C331MNL1GS are supplied in Cut Tape (CT) & Digi-Reel® packaging. Both packaging formats are standard for surface mount production environments. Packaging selection should align with assembly line equipment and handling procedures.

Q: Can the UUD1C331MNL1GS be used if the application requires 600 mA ripple current at 100 kHz?

A: No. The UUD1C331MNL1GS is rated for 450 mA ripple current at 100 kHz, which is below the 600 mA specification of the primary part. If the application circuit design requires 600 mA ripple current capability at 100 kHz, the EEE-FK1C331GP or UCD1C331MNL1GS must be selected, as both maintain the 600 mA rating.

Q: What is the MSL rating difference between the substitute parts?

A: The EMZL160ARA331MHA0G, EEE-FK1C331GP, and UUD1C331MNL1GS all carry MSL Level 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. The UCD1C331MNL1GS lists MSL as Not Applicable. For applications with standard moisture handling and storage protocols, this difference does not affect substitution suitability.

Q: Are all substitute parts REACH compliant?

A: The EMZL160ARA331MHA0G is listed as REACH Unaffected. The EEE-FK1C331GP is also REACH Unaffected. The UCD1C331MNL1GS and UUD1C331MNL1GS are both listed as REACH Affected. For applications subject to REACH compliance verification, the EMZL160ARA331MHA0G or EEE-FK1C331GP should be selected if REACH Unaffected status is required.

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