Model 744 Board Computer (Top View) - HP 744 Owner's Manual

Model 744 Board Computer Overview
Environmental Requirements
CAUTION: Integrated circuit case and junction temperatures must not exceed those
shown in Figure 1-1.
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

Model 744 Board Computer (Top View)

NOTE: 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.
1-10
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T = 95 (744/132L
j
= 102 (744/165L)
T = 85
j