MAL218497557E3 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
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Request a QuoteVishay 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:
| 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
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