LUDLUM MODEL 19 Manual page 23

Model 19 MICRO R METER
TRANSISTORS
VOLTAGE
REGULATOR
INTEGRATED
CIRCUITS
DIODES
SWITCHES
POTENTIOMETERS /
TRIMMERS
Ludlum Measurements, Inc.
Technical Manual
Reference Description
Q1 MMBT3904LT1
Q2 MMBT4403LT1
Q3 MMBT3904LT1
VR1 LT1460KCS3-2.5TR
U1-U3 MAX4542ESA
U4-U5 CMXT3904
U6 CMXT3906
U7 MAX4541ESA
U8 MAX985EUK-T
U9 CD74HC4538M
U10 LMC7111BIM5X
U11 LT1304CS8-5
U12 MIC1557BM5
U13 LT1304CS8
U14-U15 MAX4542ESA
U16 CMXT3906
U17-C18 LMC7111BIM5X
CR1 CMPD2005S
CR2 CMSH1-40M
CR3-CR7 CMPD2005S
CR9 CMSH1-40M
SW1 RANGE SELECTOR
SW2 H.V. PUSHBUTTON
SW3 F-S TOGGLE
SW4 AUD ON-OFF TOGGLE
SW5 RES PUSHBUTTON
SW6 LAMP PUSHBUTTON
SW7 BAT PUSHBUTTON
R33 1M, 64W105 NAME
R34 1M, 64W105 X10
R35 1M, 64W105 X1
R36 1M, 64W105 X0.1
R41 100K, 64W104 X100
Page 9-2
Section 9
Part Number
05-5841
05-5842
05-5841
05-5867
06-6453
05-5888
05-5890
06-6452
06-6459
06-6297
06-6410
06-6434
06-6457
06-6394
06-6453
05-5890
06-6410
07-6468
07-6411
07-6468
07-6411
08-6761
08-6770
08-6781
08-6781
08-6770
08-6770
08-6770
09-6814
09-6814
09-6814
09-6814
09-6813
February 2012