MALREKB00JS322MG0K Equivalent & Substitute Parts

Part Overview

The MALREKB00JS322MG0K is a 220 µF, 160 V aluminum electrolytic capacitor in radial, can package manufactured by Vishay Beyschlag/Draloric/BC Components from the EKB series. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part is designed for general-purpose applications requiring stable capacitance and reliable performance across industrial temperature ranges.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	160 V
Tolerance	±20%
ESR @ 120 Hz	900 mOhm
Lifetime @ 105°C	2000 Hrs
Operating Temperature	-40°C ~ 105°C
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
Height (Max)	1.319" (34.60 mm)
Mounting Type	Through Hole
Package	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the MALREKB00JS322MG0K are classified into three categories based on electrical and mechanical compatibility:

Direct Manufacturer Equivalents maintain identical or near-identical electrical specifications and physical dimensions. These parts share the same capacitance (220 µF), voltage rating (160 V), tolerance (±20%), lead spacing (7.50 mm), case diameter (16.00 mm), and mounting type (through hole, radial can). Variations in ESR, ripple current, and lifetime are within acceptable ranges for general-purpose applications.

Upgrade Parts provide enhanced performance characteristics while maintaining mechanical compatibility. These parts retain the same capacitance, tolerance, lead spacing, case diameter, and mounting configuration but offer higher voltage ratings (200 V or 220 V) and extended lifetime ratings (12000 Hrs @ 105°C versus 2000 Hrs). These upgrades are suitable for applications requiring improved reliability margins or higher voltage headroom.

Parametric Equivalents match the core electrical specifications (220 µF, 160 V, ±20%) and physical footprint but may originate from different manufacturers. These parts maintain compatibility with the original PCB layout and circuit requirements while offering alternative sourcing options.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR @ 120 Hz	Lifetime @ 105°C	Lead Spacing	Case Dia	Height (Max)	Status
MALREKB00JS322MG0K	Vishay Beyschlag	220 µF	160 V	±20%	900 mOhm	2000 Hrs	7.50 mm	16.00 mm	34.60 mm	Obsolete
B43851F1227M000	EPCOS - TDK Electronics	220 µF	160 V	±20%	950 mOhm	3000 Hrs	7.50 mm	16.00 mm	34.60 mm	Active
EKMG161ELL221MLN3S	Chemi-Con	220 µF	160 V	±20%	—	2000 Hrs	7.50 mm	16.00 mm	33.00 mm	Active
EKMQ161ELL221MLN3S	Chemi-Con	220 µF	160 V	±20%	—	2000 Hrs	7.50 mm	16.00 mm	33.00 mm	Active
EKXJ221ELL221MLN3S	Chemi-Con	220 µF	220 V	±20%	—	12000 Hrs	7.50 mm	16.00 mm	34.60 mm	Active
UCY2D221MHD	Nichicon	220 µF	200 V	±20%	—	12000 Hrs	7.50 mm	16.00 mm	33.00 mm	Active
160PX220MEFC16X31.5	Rubycon	220 µF	160 V	±20%	—	2000 Hrs	7.50 mm	16.00 mm	34.60 mm	Active

Engineering Selection Recommendations

For Direct Replacement: B43851F1227M000 (EPCOS - TDK Electronics) provides the closest electrical match with active product status and ROHS3 compliance. The marginal increase in ESR (950 mOhm versus 900 mOhm) and extended lifetime (3000 Hrs versus 2000 Hrs) represent performance improvements suitable for direct substitution in existing designs.

For Parametric Equivalence: EKMG161ELL221MLN3S and EKMQ161ELL221MLN3S (both Chemi-Con) maintain identical electrical specifications and mechanical footprint with active status and ROHS3 compliance. These parts are interchangeable with the original component for general-purpose applications.

For Enhanced Reliability: EKXJ221ELL221MLN3S (Chemi-Con, 220 V, 12000 Hrs @ 105°C) and UCY2D221MHD (Nichicon, 200 V, 12000 Hrs @ 105°C) offer significantly extended lifetime ratings and higher voltage margins. These upgrades are suitable for applications requiring improved long-term reliability or operating in elevated temperature environments. Both parts maintain mechanical compatibility and ROHS3 compliance.

For Alternative Sourcing: 160PX220MEFC16X31.5 (Rubycon) provides parametric equivalence with active status and identical voltage/capacitance specifications, enabling supply chain diversification.

Frequently Asked Questions (FAQ)

Q: Can I use a 200 V or 220 V rated capacitor in place of the 160 V original?

A: Yes. Higher voltage-rated capacitors are electrically compatible in circuits designed for lower voltages. The UCY2D221MHD (200 V) and EKXJ221ELL221MLN3S (220 V) will function correctly in a 160 V application. The higher voltage rating provides additional safety margin and does not degrade circuit performance.

Q: What is the significance of the extended lifetime ratings (12000 Hrs versus 2000 Hrs)?

A: Lifetime rating indicates the expected operational duration at maximum rated temperature (105°C) before capacitance degradation exceeds tolerance limits. Parts with 12000 Hrs ratings (EKXJ221ELL221MLN3S and UCY2D221MHD) provide extended service life, particularly beneficial for applications operating continuously at elevated temperatures or requiring long-term reliability.

Q: Are all substitute parts mechanically compatible with the original PCB layout?

A: Yes. All listed substitute parts maintain the same lead spacing (7.50 mm), case diameter (16.00 mm), and through-hole radial can package. Height variations (33.00 mm versus 34.60 mm) are negligible for standard PCB designs and do not affect mechanical fit or electrical performance.

Q: What is the difference between direct equivalents and upgrade parts?

A: Direct equivalents (B43851F1227M000, EKMG161ELL221MLN3S, EKMQ161ELL221MLN3S, 160PX220MEFC16X31.5) match the original 160 V rating and 2000 Hrs lifetime. Upgrade parts (EKXJ221ELL221MLN3S, UCY2D221MHD) provide higher voltage ratings and extended lifetime (12000 Hrs), offering enhanced performance margins without requiring circuit redesign.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, meeting environmental and regulatory requirements equivalent to the original component.

Q: Which substitute part offers the best availability?

A: UCY2D221MHD (Nichicon) shows the highest inventory level at 3400 pieces, followed by EKMG161ELL221MLN3S (Chemi-Con) at 1214 pieces. Both parts are active products with established supply chains.

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