AC16DGM Teccor Electronics, AC16DGM Datasheet - Page 158

• Manufacturer Part Number: AC16DGM
• Manufacturer: Teccor Electronics

AN1006
6. Set Rate by depressing Norm.
7. Set Step Family by depressing Rep (repetitive).
8. Set Mode to DC.
9. Set Horizontal knob to 0.5 V/DIV.
10. Set Power Dissipation to 220 W (100 W on 577).
11. Set Number of Steps to 1. (Set steps to 0 (zero) on 370.)
12. Set Vertical knob to a sufficient setting to allow the viewing
13. Set Left-Right Terminal Jack Selector to correspond with
14. Increase Variable Collector Supply Voltage until current
Note: Model 370 current is limited to 10 A.
WARNING: Limit test time to 15 seconds maximum after the
Variable Collector Supply has been set to I
Variable Collector Supply Voltage has been set to I
test time can automatically be shortened by changing Step
Family from repetitive to single by depressing the Single
button.
To measure V
the trace crosses the I
hand side of scale to the intersection point is the V
(Figure AN1006.7)
Procedure 5: I
To measure the I
1. Set Polarity to (+).
2. Set Power Dissipation to 2.2 W. (2 W on 370)
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of 2 times the I
Before continuing with testing, note the following:
(1) Due to the excessive amount of power that can be
(2) A Kelvin test fixture is required for this test. If a
the location of the test fixture.
reaches rated I
SCR under test.
Figure AN1006.7
generated in this test, only parts with an I
of 6 A or less should be tested on standard curve
tracer. If testing devices above 6 A, a Tektronix model
176 high-current module is required.
Kelvin fixture is not used, an error in measurement of
V
Kelvin fixture is not available, Figure AN1006.3 shows
necessary information to wire a test fixture with
Kelvin connectors.
TM
V TM
will result due to voltage drop in the fixture. If a
TM
H
, follow along horizontal scale to the point where
H
I PK
parameter:
T(RMS)
T(peak)
V
T(peak)
TM
, which is twice the I
rating of the device (I
= 1.15 V at I
value. The distance from the left-
T(peak)
= 12 A
T(RMS)
T(peak)
T(peak)
T(RMS)
PER
PER
PER
DIV
DIV
PER
DIV
DIV
V
E
R
T
H
O
R
Z
S
T
E
P
()k
9m
rating of the-
I
TM
) on CRT.
, After the
value.
2
500
100
mV
mA
20
T(peak)
rating
A
, the
AN1006 - 6
3. Set Max Peak Volts to 75 V. (80 V on 370)
4. Set Mode to DC.
5. Set Horizontal knob to Step Generator.
6. Set Vertical knob to approximately 10 percent of the maxi-
7. Set Number of Steps to 1.
8. Set Offset by depressing 0 (zero). (Press Aid and Oppose at
9. Set Step/Offset Amplitude to twice the maximum I
10. Set Terminal Selector to Step Generator-Emitter Grounded.
11. Set Step Family by depressing Single.
12. Set Left-Right Terminal Jack Selector to correspond with
13. Increase Variable Collector Supply Voltage to maximum
14. Set Step Family by depressing Single. (This could possibly
15. Change Terminal Selector from Step Generator-Emitter
16. Decrease Variable Collector Supply Voltage to the point
Procedure 6: I
To measure the I
1. Set Polarity to (+).
2. Set Number of Steps to 1.
3. Set Offset by depressing Aid.
4. Set Offset Multiplier to 0 (zero). (Press Aid and Oppose at
5. Set Terminal Selector to Step Generator-Emitter Grounded.
6. Set Mode to Norm.
7. Set Max Peak Volts to 15 V. (16 V on 370)
mum I
Note: Due to large variation of holding current values, the
scale may have to be adjusted to observe holding current.
the same time on 370.)
device.
location of test fixture.
position (100).
cause the dot on CRT to disappear, depending on the verti-
cal scale selected.)
Grounded to Open Base-Emitter Grounded.
where the line on the CRT changes to a dot. The position of
the beginning point of the line, just before the line becomes a
dot, represents the holding current value. (Figure AN1006.8)
the same time on 370.)
Figure AN1006.8
H
specified.
I H
GT
GT
and V
and V
I
H
= 1.2 mA
GT
GT
parameter:
©2002 Teccor Electronics
Thyristor Product Catalog
Application Notes
PER
PER
PER
DIV
DIV
PER
V
E
R
H
O
R
S
E
P
DIV
9m
DIV
T
Z
T
()k
I
500
A
GT
of the