Equivalent & Substitute Parts for EMHJ100ARA331MJA0G

Part Overview

The EMHJ100ARA331MJA0G is a 330 µF, 10 V aluminum electrolytic capacitor manufactured by Chemi-Con in the Alchip™ MHJ series. This surface mount radial can capacitor is designed for automotive applications and carries AEC-Q200 qualification. The part is actively produced and available in high volume inventory.

Substitute parts are identified when equivalent capacitance and tolerance values are maintained while voltage ratings, ESR characteristics, or manufacturer options provide alternative sourcing paths or performance enhancements for specific circuit requirements.

Key Parameters

Parameter	Value	Unit
Capacitance	330	µF
Tolerance	±20%	—
Voltage - Rated	10	V
ESR @ 100 kHz	120	mOhm
Lifetime @ 125°C	2000	Hrs
Operating Temperature Range	-40 to 125	°C
Ripple Current @ 100 kHz	550	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 x 10.30 mm)	—
Mounting Type	Surface Mount	—
AEC-Q200 Rated	Yes	—
RoHS Status	ROHS3 Compliant	—
MSL Rating	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for EMHJ100ARA331MJA0G are classified based on the following substitution criteria:

Direct Equivalents (Same Voltage Rating - 10 V):

EEE-TG1A331P (Panasonic): Maintains 10 V rating with identical capacitance and tolerance. Differs in ESR (300 mOhm vs. 120 mOhm) and ripple current specifications.

Voltage Upgrades (Higher Voltage Rating):

EMHJ250ARA331MJA0G (Chemi-Con, 25 V): Same manufacturer, same series, same capacitance. Voltage upgrade from 10 V to 25 V with identical ESR and footprint.
EEE-TG1C331UP (Panasonic, 16 V): Intermediate voltage upgrade with identical capacitance and tolerance.
EEE-TG1E331UP (Panasonic, 25 V): Full voltage upgrade to 25 V with identical capacitance and tolerance.
25THV330M10X10.5 (Rubycon, 25 V): Voltage upgrade with improved ESR (200 mOhm) and extended lifetime (3000 Hrs @ 125°C).
EDT337M025S9PAA (KEMET, 25 V): Voltage upgrade with different packaging (Cut Tape & Digi-Reel®).

All substitute parts maintain the 330 µF capacitance, ±20% tolerance, surface mount radial can package, 10.00 mm diameter, AEC-Q200 qualification, and automotive application suitability.

Parameter Comparison

Part Number	Manufacturer	Capacitance (µF)	Tolerance	Voltage (V)	ESR @ 100 kHz (mOhm)	Lifetime @ 125°C (Hrs)	Size Dia (mm)	Height Max (mm)	Ripple Current @ 100 kHz (mA)	AEC-Q200
EMHJ100ARA331MJA0G	Chemi-Con	330	±20%	10	120	2000	10.00	10.30	550	Yes
EEE-TG1A331P	Panasonic	330	±20%	10	300	2000	10.00	10.20	270	Yes
EMHJ250ARA331MJA0G	Chemi-Con	330	±20%	25	120	2000	10.00	10.30	550	Yes
EEE-TG1C331UP	Panasonic	330	±20%	16	300	2000	10.00	10.20	270	Yes
EEE-TG1E331UP	Panasonic	330	±20%	25	300	2000	10.00	10.20	270	Yes
25THV330M10X10.5	Rubycon	330	±20%	25	200	3000	10.00	10.50	500	Yes
EDT337M025S9PAA	KEMET	330	±20%	25	—	2000	10.00	10.50	257.143	Yes

Engineering Selection Recommendations

Direct Replacement (Same Voltage): EEE-TG1A331P from Panasonic provides direct functional equivalence at 10 V. Both parts carry AEC-Q200 qualification and ROHS3 compliance. Selection between EMHJ100ARA331MJA0G and EEE-TG1A331P depends on ESR tolerance requirements; the Chemi-Con part offers lower ESR (120 mOhm vs. 300 mOhm), which may be critical in low-impedance applications.

Voltage Upgrade Path: When circuit design permits higher voltage operation, EMHJ250ARA331MJA0G (Chemi-Con, 25 V) provides the most direct upgrade path within the same manufacturer and series, maintaining identical ESR and ripple current specifications while increasing voltage margin.

Alternative Manufacturers with Voltage Upgrade: EEE-TG1E331UP (Panasonic, 25 V) and 25THV330M10X10.5 (Rubycon, 25 V) offer voltage upgrades with different performance profiles. The Rubycon part provides superior ESR (200 mOhm) and extended lifetime (3000 Hrs @ 125°C), suitable for demanding automotive thermal environments.

Intermediate Voltage Option: EEE-TG1C331UP (Panasonic, 16 V) serves applications requiring voltage margin above 10 V but below 25 V, with identical capacitance and tolerance specifications.

Packaging Consideration: EDT337M025S9PAA (KEMET, 25 V) is supplied in Cut Tape & Digi-Reel® packaging rather than standard Tape & Reel, affecting procurement and assembly processes.

All substitute parts maintain surface mount radial can package compatibility, 10.00 mm diameter footprint, and automotive-grade AEC-Q200 qualification.

Frequently Asked Questions (FAQ)

Q: Can EEE-TG1A331P directly replace EMHJ100ARA331MJA0G in the same circuit?

A: EEE-TG1A331P maintains identical capacitance (330 µF), tolerance (±20%), voltage rating (10 V), and physical footprint. However, ESR differs significantly (300 mOhm vs. 120 mOhm). Direct replacement is permissible only if circuit design does not depend on the lower ESR specification of the original part. Verify ripple current requirements; EEE-TG1A331P supports 270 mA @ 100 kHz versus 550 mA for EMHJ100ARA331MJA0G.

Q: What is the advantage of upgrading to a 25 V rated part?

A: Voltage upgrade parts (EMHJ250ARA331MJA0G, EEE-TG1E331UP, 25THV330M10X10.5, EDT337M025S9PAA) provide increased voltage margin above the nominal 10 V circuit requirement. This margin improves reliability in transient overvoltage conditions and extends component lifetime in thermal stress scenarios. Capacitance and tolerance remain unchanged at 330 µF ±20%.

Q: Does the Rubycon 25THV330M10X10.5 offer performance benefits over other 25 V options?

A: Yes. The Rubycon part provides lower ESR (200 mOhm) compared to Panasonic TG series (300 mOhm) and extended thermal lifetime (3000 Hrs @ 125°C vs. 2000 Hrs for most alternatives). Height is slightly increased (10.50 mm vs. 10.30 mm), requiring PCB layout verification. ESR specification for KEMET EDT337M025S9PAA is not provided in available data.

Q: Are all substitute parts AEC-Q200 qualified for automotive use?

A: Yes. All listed substitute parts carry AEC-Q200 qualification and are rated for automotive applications. All maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the impact of different packaging formats?

A: EMHJ100ARA331MJA0G, EEE-TG1A331P, EMHJ250ARA331MJA0G, EEE-TG1C331UP, and EEE-TG1E331UP are supplied in Tape & Reel (TR) format. EDT337M025S9PAA uses Cut Tape (CT) & Digi-Reel® format. Packaging affects procurement lead times, minimum order quantities, and assembly line compatibility. Verify with procurement and manufacturing before substitution.

Q: Can I use a 16 V part (EEE-TG1C331UP) instead of the 10 V original?

A: Yes. EEE-TG1C331UP maintains 330 µF capacitance and ±20% tolerance with intermediate 16 V rating. This provides voltage margin while remaining below the 25 V upgrade threshold. ESR and ripple current specifications match the Panasonic TG series (300 mOhm, 270 mA @ 100 kHz).

Q: What are the physical footprint differences among substitute parts?

A: All parts maintain 10.00 mm diameter and 10.30 mm x 10.30 mm surface mount land size. Height varies slightly: EMHJ100ARA331MJA0G and EMHJ250ARA331MJA0G are 10.30 mm; EEE-TG1A331P, EEE-TG1C331UP, and EEE-TG1E331UP are 10.20 mm; 25THV330M10X10.5 and EDT337M025S9PAA are 10.50 mm. Verify PCB clearance for taller variants.

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