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Device Heater Theory of Operation
Heater Stability
The following table lists typical (not guaranteed) temperature deviation after the
specified time. Settings > Hardware Configuration > Tolerance set to 2 °
Using the Device Heater
There are two parts to configuring the PD1500A Device Heater:
Configuring Temperature Control Settings (Hardware Configuration)
In the Settings > Hardware Configuration for Double-Pulse Test Control menu, set
the following:
Keysight PD1500A Double-Pulse Test System
Specified
Temp. after
Temperature
30 seconds
°
°
30
C
29.67
C
°
°
50
C
49.47
C
°
°
100
C
99.06
C
°
°
150
C
148.72
C
°
°
30
C
31.30
C
°
°
50
C
49.52
C
°
°
100
C
99.23
C
°
°
150
C
148.93
C
– Configuring the Temperature Control Settings
– Activating the Heater and specifying Temperatures to test the DUT
If you want to use the heater and thermocouple, they must be
connected to the Test Fixture before powering-up the PD1500A
system. Reboot the PD1500A if the heater is not detected.
– Tolerance: Specify a range ( around the specified temperature for
triggering the DPT measurement. For example, if you specify making a DPT
measurement at 100 C and a 1 C Tolerance, then the measurement is
triggered somewhere between 99 C and 101 C.
Temp after
Temp after
1 min.
2 min.
TO-247 Devices
°
°
29.71
C
29.73
C
°
°
49.50
C
49.51
C
°
°
99.10
C
99.12
C
°
°
148.76
C
145.75
C
D2PAK-7 Devices
°
°
29.80
C
29.81
C
°
°
49.56
C
49.28
C
°
°
99.22
C
99.23
C
°
°
148.91
C
148.91
C
Using the Device Heater
C.
Temp after
Delta after 5
5 min.
minutes
°
°
29.73
C
-0.27
C
°
°
49.51
C
-0.49
C
°
°
99.15
C
-0.96
C
°
°
148.79
C
-1.21
C
°
°
29.81
C
-0.19
C
°
°
49.58
C
-0.42
C
°
°
99.23
C
-0.77
C
°
°
148.94
C
-1.06
C
61
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