ALN20S Datasheet, PDF (1/2 Pages) Kemet Corporation – 4 Pin Solder tag

ALN20S Series 85°C
• 4 Pin Solder tag
• Long Life 18000 hours at 85 °C
(Ur, Ir applied)
• Slit Foil technology
RoHS
Compliant
application
Basic design
A new generation of audio capacitors is now
available from BHC – T-Network Capacitor
(TNC). The TNC has been designed
specifically for audio applications by DNM
design and is being manufactured in the UK
by BHC.
In a normal capacitor unwanted resistance
and inductance force the input and output
together electrically, making its unwanted
characteristics very critical for performance
- figure 1.
The new T-Network capacitor (TNC) behaves
differently because the input must flow along
the capacitor plate to reach the output.
The signal is forced into pure capacitance
with most of the unwanted resistance and
inductance appearing on each side of the
bulk capacitance. The residual defects,
therefore, tend to assist capacitance filtering
in the T-Network design - figure 2.
The TNC is designed for the most demanding
filtering situations and it will redefine
performance standards in many non-audio
applications. For use in audio amplifiers, the
TNC incorporates current slit foil technology
to produce the ultimate audio capacitor.
These capacitors give excellent results
against standard components on a direct
replacement. However, TNC high frequency
performance is so enhanced that the H.F.
compensation of test amplifiers may need
resetting for best results.
Figure 1: Conventional capacitor
Figure 2: T-Network capacitor
Specification
Standards
Capacitance range
Capacitance tolerance
Rated voltage U_R
Surge voltage U_S

Leakage current I_L

Operational life time
+85°C, U_R , I_R
IEC 60384-4
10000 µF
±20% (-10% +30% where specified)
50 - 100 VDC
1.15 x U_R
= 0.006 x C_R x U_R (µA) or 6mA whichever
is the smaller. Note, C_R is in µF.
18000 hours
+85°C, U_R
29000 hours
Test Condition:
< 30s surge, 1000 cycles @ 85°C
Test Condition:
U_R, 5mins., 20°C
End of Life requirement:
∆C/C
ESR
I_L
< ±10%
< 2 x initial ESR value
< initial specified limit
Shelf Life
2000 hrs at 0V +85°C, or 30000 hrs at 0V +40°C
Temperature range
–40 to +85°C (Operating) -55°C to +85°C (Storage)