HP 744 Hardware User Manual page 34

T = 85
j
T = 100
j
T = 75
c
T = Maximum junction temperature in degrees centigrade
j
T = Maximum case temperature in degrees centigrade
c
Figure 1-1
NOTE:
1-12
Model 744 Board Computer Overview
Environmental Requirements
Model 744 Board Computer (Top View)
The Model 744 should only be operated in an environment that is free from
conductive pollution, including dry non-conductive pollution that may
become conductive due to expected condensation.
T = 95 (744/132L
j
= 102 (744/165L)
T = 85
j