Technical data

Agilent 34401A Mainframe
Reference Agilent Part Mfr.
Designation Number Qty Part Description Code Mfr. Part Number
A1 34401-66501 1 Main PC Assembly 28480 34401-66501
A2 34401-66512 1 Front-Panel and Display PC Assembly 28480 34401-66512
CVR1 34401-84111 1 Instrument Cover 28480 34401-84111
FRM1 34401-80121 1 Chassis 28480 34401-80121
KIT1 34138-37904 1 Standard Test Lead Kit 28480 34138-37904
KIT2
* 34401-80010 1 Fuse Kit 28480 34401-80010
MNL1 34401-90100 1 English Manual Set (User’s & Service) 28480 34401-90100
MP1 34401-88304 1 Rear Panel 28480 34401-88304
MP2 34401-40231 1 Front Panel/Bezel Assembly 28480 34401-40231
MP3 34401-43731 1 Power-On Push Rod 28480 34401-43731
MP4 34401-43732 1 Front/Rear Terminal Push Rod 28480 34401-43732
MP5 34401-45021 1 Carrying Handle 28480 34401-45021
MP6-MP7 34401-45002 2 Terminal Latch 28480 34401-45002
MP8 34401-49311 1 Window-Front-Panel Display 28480 34401-49311
MP9 34401-81932 1 Flubber Keys-Front Panel 28480 34401-81932
MP10
* 34401-86201 1 Power Module/Fuse Drawer and Fuse 28480 34401-86201
MP11-MP12 34401-86020 2 Bumpers (Front/Rear) & Power Mod Cvr 28480 34401-86020
SCW1-SCW8 0515-0433 8 Screw-M4 X 0.7 8mm-Lg Pan-Hd 28480 0515-0433
SHD1 34401-00603 1 Shield-Top 28480 34401-00603
SHD2 34401-00602 1 Shield-Bottom 28480 34401-00602
T901 9100-4972 1 Transformer-Power 28480 9100-4972
Exchange Unit 34401-69211 1 Rebuilt 34401A Unit for Exchange 28480 34401-69211
* For serial numbers prior to 3146A31949, use a 3A, 250Vac fuse (p/n 2110-0780) for 220 or 240 Vac operation;
for all other serial numbers, use a 250 mAT fuse (p/n 2110-0817) for all line voltages.
NOTE: For serial numbers prior to and including MY45XXXXXX and SG45XXXXXX, use the following mainframe
part numbers instead of those listed in the above table.
Reference USE Agilent REPLACE
Designation Part Number Qty Agilent Part Number Part Description
FRM1 34401-80111 1 34401-80121 Chassis
MP2 34401-40211 1 34401-40231 Front Panel/Bezel Assembly
MP3 34401-43711 1 34401-43731 Power-On Push Rod
MP4 34401-43712 1 34401-43732 Front/Rear Terminal Push Rod
MP5 34401-45011 1 34401-45011 Carrying Handle
MP9 34401-81912 1 34401-81932 Flubber Keys-Front Panel
MP11-MP12 34401-86010 2 34401-86020 Bumpers (Front/Rear) & Power Mod Cvr
Chapter 7 Replaceable Parts
Agilent 34401A Mainframe
134