# Where to find datasheets in bulk?

Where is collection of data sheets of large table with parameters as columns and models as rows?

Something like:

Model        Breakdown_voltage On_resistance <other_values>
QWERTY122AS  120V              6_Ohm         ....
AWERTY123SD  30V               1_Ohm         ....
<all other popular models>


for transistors, diodes and other parts.

When searching Google it usually provides data for one/few models or even offer download a PDF file. Where to find it in bulk?

• In the late Paleozoic manufacturers would publish their collected datasheets on things called CD-ROMs. I still have a number of those. For instance the Motorola collection required 2 CDs. That was before DVDs. Aug 10 '11 at 8:54
• I see there is many disjoint databases per manufacturer, unlikely with standard interface. Is there a comprehensive database of all parts (both currently available and legacy) of all manufacturers with their basic characteristics?
– Vi0
Aug 11 '11 at 15:31