MLSH Product Cut Sheet

Type MLSH 125 °C Hermetic Slimpack
Ultra Long Life, Aluminum Electrolytic
Why Use Type MLSH ?
Advantages Over Wet Tantalum
The world’s only hermetic aluminum electrolytic capacitor with glass-to-metal seal. Type
MLSH has extraordinary long life and rugged
construction for the most demanding power
electronics applications.
Aluminum electroytics have much
higher capacitance retention at low
temperature. See figures 1 through 3 below.
Highlights
Figure 1
Hermetic Aluminum Electrolytic Capacitance @ -55°C
MLSH222M040JK0C (2200µF, 40Vdc)
2000
Capacitance (µF)
Type MLSH has superior capacitance retention
compared to axial wet tantalum capacitors at
-55 °C. Packaged in a robust stainless steel case
capable of withstanding 80g’s, it replaces 3 or
more axial wet tantalum capacitors in parallel.
Unlike wet tantalums that require voltage derating at temperatures above 85 °C, type MLSH
capacitors are rated for full operating voltage at
125 °C and tested to 5000 hrs at rated voltage
and temperature.
• Superior capacitance retention at -55 ºC compared with 3 or more wet tantalum capacitors in parallel
• Considerably lower cost
• Lighter than equivalent bank of wet tantalums
• Aluminum electrolytics do not contain conflict materials
• Not subject to shortages and market price fluctuations
1500
1000
500
0
10
1000
10000
Figure 2
Wet Tanatalum Capacitance @ -55°C
4 X (1000µF, 60Vdc*) D-Size Wet Tantalum Caps in Parallel
* Derated to 40 Vdc for -55°C to 125°C Operating Temp Range
4000
3500
3000
2500
2000
1500
1000
500
0
10
100
1000
10000
Frequency (Hz)
Figure 3
For information and samples, please contact:
Capacitance Ratios @ -55°C
1 MLSH Versus 4 D-Case Wet Tantalum Caps in Parallel
2.50
Capacitance Ratios
Mario DiPietro
Flatpack Product Manager
[email protected]
864-843-2277 ext. 2395
100
Frequency (Hz)
Capacitance (µF)
• Hermetically sealed aluminum electrolytic
(no dry-out)
• 100% tested per MIL-STD-883, Method 1014.2
• High capacitance retention at low tempera- ture
• 80 G Vibration
• 125 °C maximum operating temperature (no derating required)
• Lighter than equivalent wet tantalum
• 1.5 V reverse voltage
• DC life test to 5000 hrs
2.00
1.50
1.00
0.50
CDE
ENERGIZING IDEAS
CORNELL
DUBILIER
0.00
10
100
1000
10000
Frequency (Hz)
Note: The different frequency vs. temperature responses of these two dielectric
systems gives rise to a capacitance ratio that varies not only with temperautre,
but also with frequency.