MALREKA00JS422H00K Equivalent & Substitute Parts

Part Overview

The MALREKA00JS422H00K is a 2200 µF, 50 V aluminum electrolytic capacitor in radial, can package manufactured by Vishay Beyschlag/Draloric/BC Components from the EKA series. This part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The original part delivers 2000 hours lifetime at 85°C with 100 mOhm ESR at 120 Hz, suitable for general-purpose applications requiring stable capacitance and ripple current handling.

Key Parameters

Parameter	Value
Capacitance	2200 µF
Voltage Rating	50 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.295" (7.50 mm)
Diameter	0.630" (16.00 mm)
Height	1.319" (34.60 mm)
Mounting Type	Through Hole
Operating Temperature Range	-40°C to 85°C
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict parameter matching across five critical dimensions:

Electrical Parameters: Capacitance (2200 µF), voltage rating (50 V), and tolerance (±20%) must be identical. These parameters define the functional electrical behavior in the circuit.

Physical Parameters: Lead spacing (0.295" / 7.50 mm), diameter (0.630" / 16.00 mm), and height (1.319" / 34.60 mm) must match to ensure PCB footprint compatibility and mechanical fit within the assembly.

Mounting Configuration: Through-hole radial can package is mandatory for direct replacement without redesign.

Compliance & Status: All substitutes must maintain ROHS3 compliance and active product status to ensure supply chain continuity and regulatory adherence.

Thermal Performance: Operating temperature range and lifetime ratings determine suitability for specific thermal environments. Upgrades offer extended lifetime or higher temperature operation.

Substitutes are categorized as upgrades (improved thermal performance) or direct equivalents (matching thermal specifications).

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Diameter	Height	Product Status	RoHS
MALREKA00JS422H00K	Vishay Beyschlag	EKA	2200 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.319" (34.60 mm)	Obsolete	ROHS3
MAL214831222E3	Vishay Beyschlag	148 RUS	2200 µF	50 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.319" (34.60 mm)	Active	ROHS3
MAL214851222E3	Vishay Beyschlag	148 RUS	2200 µF	50 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.319" (34.60 mm)	Active	ROHS3
MAL214861222E3	Vishay Beyschlag	148 RUS	2200 µF	50 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.319" (34.60 mm)	Active	ROHS3
B41851F6228M000	EPCOS - TDK Electronics	B41851	2200 µF	50 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.319" (34.60 mm)	Active	ROHS3
ESMQ500ELL222MLN3S	Chemi-Con	SMQ	2200 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.299" (33.00 mm)	Active	ROHS3
ESMQ500EMC222MLN3S	Chemi-Con	SMQ	2200 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.299" (33.00 mm)	Active	ROHS3
ECA-1HHG222	Panasonic Electronic Components	NHG-A	2200 µF	50 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.319" (34.60 mm)	Active	ROHS3
EEU-HD1H222	Panasonic Electronic Components	HD	2200 µF	50 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.319" (34.60 mm)	Active	ROHS3
EKMQ500EC3222MLN3S	Chemi-Con	KMQ	2200 µF	50 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.299" (33.00 mm)	Active	ROHS3
EKMQ500ELL222MLN3S	Chemi-Con	KMQ	2200 µF	50 V	±20%	2000 Hrs @ 105°C	-55°C ~ 105°C	0.295" (7.50 mm)	0.630" (16.00 mm)	1.299" (33.00 mm)	Active	ROHS3

Engineering Selection Recommendations

Vishay Beyschlag 148 RUS Series (MAL214831222E3, MAL214851222E3, MAL214861222E3): These upgrades from the same manufacturer offer extended lifetime (3000 hours at 105°C) and higher operating temperature ceiling (-40°C to 105°C). All three variants maintain identical electrical and physical specifications with the original part. Selection among these three depends on packaging preference: cut tape (MAL214831222E3), or bulk (MAL214851222E3, MAL214861222E3). Inventory availability ranges from 685 to 1916 units.

EPCOS B41851F6228M000: Active status with 2000-hour lifetime at 105°C and extended temperature range (-40°C to 105°C). Maintains all physical dimensions and electrical parameters. Suitable for applications requiring higher temperature operation than the original specification.

Panasonic ECA-1HHG222 and EEU-HD1H222: Both deliver 2000-hour lifetime at 105°C with extended operating range (-55°C to 105°C). ECA-1HHG222 offers higher inventory (6168 units). Both maintain original physical dimensions. EEU-HD1H222 provides alternative sourcing from the same manufacturer.

Chemi-Con SMQ Series (ESMQ500ELL222MLN3S, ESMQ500EMC222MLN3S): Direct thermal equivalents with 2000-hour lifetime at 85°C matching the original specification. Height is 1.299" (33.00 mm) versus 1.319" (34.60 mm) on the original—a 0.02" reduction that remains within typical PCB assembly tolerances for through-hole components.

Chemi-Con KMQ Series (EKMQ500EC3222MLN3S, EKMQ500ELL222MLN3S): Upgraded performance with 2000-hour lifetime at 105°C and extended temperature range (-55°C to 105°C). Height is 1.299" (33.00 mm). Both variants provide equivalent electrical performance with improved thermal ratings.

All substitutes maintain ROHS3 compliance and active product status, ensuring regulatory adherence and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute with a different height? A: Chemi-Con SMQ and KMQ series parts measure 1.299" (33.00 mm) in height versus 1.319" (34.60 mm) on the original MALREKA00JS422H00K. This 0.02" difference is within standard through-hole PCB assembly tolerances and does not affect mechanical fit or electrical function. Verify clearance in your specific assembly if height-constrained space exists.

Q: What is the difference between Vishay 148 RUS variants (MAL214831222E3, MAL214851222E3, MAL214861222E3)? A: All three variants are electrically and physically identical. The difference is packaging: MAL214831222E3 is supplied in cut tape, while MAL214851222E3 and MAL214861222E3 are supplied in bulk. Select based on your procurement and assembly process requirements.

Q: Why do some substitutes have higher operating temperature ranges? A: Upgrades like ECA-1HHG222, EEU-HD1H222, and EKMQ500EC3222MLN3S extend the lower operating limit to -55°C (versus -40°C on the original). This provides additional thermal margin for applications in cold environments. The upper limit remains at 85°C or 105°C depending on the series. These are backward-compatible upgrades.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitutes maintain ROHS3 compliance, matching the original part's regulatory status.

Q: What does "Active" product status mean versus "Obsolete"? A: Active status indicates the part is currently manufactured and available through normal distribution channels. Obsolete status means the original MALREKA00JS422H00K is no longer produced. All substitutes listed carry active status, ensuring long-term availability.

Q: Can I mix different substitute part numbers in the same assembly? A: Yes. All substitutes meet identical electrical and mechanical specifications for the 2200 µF, 50 V, ±20% radial can package. Physical dimensions and lead spacing are compatible across all options. Mixing is acceptable from an engineering standpoint, though procurement and inventory management may favor standardizing on a single part number.

Q: Which substitute offers the best thermal performance? A: Panasonic ECA-1HHG222 and EEU-HD1H222, along with Chemi-Con EKMQ500EC3222MLN3S and EKMQ500ELL222MLN3S, all deliver 2000-hour lifetime at 105°C with extended temperature ranges. Vishay 148 RUS series extends this to 3000 hours at 105°C, providing the longest rated lifetime.

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