You do not have the same lifespan issues with ceramic caps. You will lose 
capacitance as the voltage increases. The amount you lose is dependant
on the dielectric.

When choosing the electrolytics you also need to look at the ESR, temperature
rating and the maximum operating temperature. Since the lifetime is predicted
using the Arrhenius activation energy law running using a 105°C rated
cap will give you a significant increase over running a 85°C cap (assuming
all other conditions are the same). There are some 5000 hour rated electrolytics.

Voltage ratings of capacitors: ceramic vs electrolytic
Trying to install do the following on Centos 5:

[root@d ~]# pecl install imagick


I got the following output:

downloading imagick-3.0.1.tgz ...
Starting to download imagick-3.0.1.tgz (93,920 bytes)
.....................done: 93,920 bytes
13 source files, building
running: phpize
Configuring for:
PHP Api Version:         20041225
Zend Module Api No:      20060613
Zend Extension Api No:   220060519
/usr/bin/autoconf: /usr/bin/autom4te: /usr/bin/perl: bad interpreter: Permission denied
/usr/bin/autoconf: line 271: /usr/bin/autom4te: Success
ERROR: `phpize' failed


Is the bad interpreter the problem?  Is this causing phpize to fail?  Or are these two separate problems?
