Vishay MAL218497557E3 Polymer Capacitor | 100uF 20V | Low ESR | SMD

Vishay MAL218497557E3 aluminum polymer capacitor offers 100μF/20V in compact 8×8×11.7mm SMD package with ultra-low 35mΩ ESR and 4.21A ripple current.

• Ultra-low ESR (35mΩ) for high efficiency
• High ripple current (4.21A) handles power demands
• Extended 2000-hour lifespan at 105°C

Vishay BCComponents MAL218497557E3 Aluminum Organic Polymer Capacitor Overview

The Vishay MAL218497557E3 from the 184 CPNS series represents state-of-the-art conductive polymer aluminum capacitor technology. This 100μF/20V SMD component delivers exceptional performance in an 8×8×11.7mm package, making it ideal for modern high-density PCB designs. Technical Highlights:

• ESR: Just 35mΩ (typ.)
• Ripple Current: 4.21A @ 105°C
• Temperature Range: -55°C to +105°C
• Endurance: 2000 hours at rated voltage/temperature
• Packaging: Tape & reel (industrial standard)

Target Applications

• Switching power supplies (DC-DC converters)
• CPU/GPU voltage regulators
• Industrial automation systems
• Telecommunications infrastructure
• Automotive electronics

Performance Advantages

Electrical Excellence

• Low ESR (35mΩ) reduces power losses
• 4.21A ripple current capability
• 20% capacitance tolerance
• 400μA leakage current (max)

Reliability Features

• 2000-hour lifespan at 105°C
• 1000-hour shelf life preservation
• IEC 60384-25 compliant
• RoHS compliant lead-free construction

Mechanical Design

• Compact 8×8mm footprint
• 11.7mm low profile
• SMD termination for automated assembly
• Beveled edge anode identification

Technical Specifications

Attribute	Specification
Brand	Vishay
Capacitance	100 µF
Capacitance Tolerance	±20%
Category Temperature Range	-55°C to +105°C
Dissipation Factor	0.08
ESR (Equivalent Series Resistance)	35 mΩ
Height	11.7 mm
Insulation Class	F
Leakage Current	400 µA
Length	8 mm
Life	2000 Hour
Maximum Operating Temperature	+105°C
Minimum Operating Temperature	-55°C
Packaging	Reel
Product Category	Aluminum Organic Polymer Capacitors
Product Type	Electrolytic Capacitors
Ripple Current	4.21 A
Series	184 CPNS
Subcategory	Capacitors
Termination Style	SMD/SMT
Voltage Rating DC	20 VDC
Width	8 mm

184 CPNS Series Overview

The 184 CPNS series offers a comprehensive range of aluminum polymer capacitors covering:

• Voltages: 2.5V to 100V
• Capacitance: 4.7μF to 3300μF
• Packages: 4×4×5.5mm to 10×10×12.4mm

Series Characteristics

• All components feature conductive polymer electrolyte
• Ultra-low ESR (as low as 9mΩ)
• High ripple current capability
• Lead-free reflow solderable
• 2000-hour endurance at 105°C

Product Family Comparison

Top Performing Models:

MAL218497557E3 comparison with alternative parts

Part Number	Capacitance	Voltage	ESR	Special Feature
MAL218497557E3	100μF	20V	35mΩ	Featured model
MAL218497254E3	330μF	2.5V	15mΩ	Highest CV product
MAL218497412E3	220μF	10V	9mΩ	Lowest ESR
MAL218497903E3	22μF	100V	40mΩ	Highest voltage

Selection Guide:

• For general power applications: MAL218497557E3
• For ultra-low ESR requirements: MAL218497412E3
• For high voltage circuits: MAL218497903E3
• For high capacitance needs: MAL218497258E3 (3300μF)

Frequently Asked Questions

Q1: What are the key benefits of Vishay MAL218497557E3 polymer capacitors compared to traditional electrolytics?

A: They offer 5-10× lower ESR, 3-5× higher ripple current, and longer lifespan (2000h vs typically 1000h for standard electrolytics).

Q2: Can Vishay MAL218497557E3 capacitors handle automotive under-hood temperatures?

A: While rated for +105°C continuous operation, automotive AEC-Q200 qualified alternatives are recommended for under-hood applications.

Q3: What PCB layout considerations apply when using Vishay MAL218497557E3 capacitors?

A: Maintain proper thermal relief in pads and ensure adequate ventilation space around components due to potential gas generation under fault conditions.

Q4: How does the ripple current rating of Vishay MAL218497557E3 compare to MLCCs?

A: At 4.21A, it significantly outperforms similar sized MLCCs (typically <1A), making it ideal for high-current power applications.

Q5: What is the recommended soldering profile for Vishay MAL218497557E3?

A: Follow JEDEC J-STD-020 profiles for lead-free reflow with peak temperature ≤260°C and time above liquidus ≤30 seconds.

Q6: Can Vishay MAL218497557E3 capacitors be used in series for higher voltage applications?

A: Not recommended without proper voltage balancing circuits due to potential uneven voltage distribution. Use higher voltage rated models instead.

Why Choose MAL218497557E3?

The Vishay MAL218497557E3 delivers unprecedented performance benefits:

• Space-efficient SMD packaging saves PCB real estate
• Exceptional electrical performance with low ESR/high ripple
• Reliable operation across industrial temperature ranges
• Long service life reduces replacement costs
• Automated assembly compatible for high-volume production

Ideal for power designers needing:

• Compact high-performance decoupling
• Reduced thermal management requirements
• Stable performance over product lifetime
• Compliance with international standards

For specialized applications consider: ➔ MAL218497412E3 (9mΩ ESR) for ultra-high efficiency ➔ MAL218497903E3 (100V rated) for high voltage circuits ➔ MAL218497258E3 (3300μF) for energy storage applications