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2N103D275 Datasheet(PDF) 5 Page - Littelfuse

Part No. 2N103D275
Description  Teccor brand Thyristors 0.8 Amp Sensitive SCRs
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Maker  LITTELFUSE [Littelfuse]
Homepage  http://www.littelfuse.com
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 5 page
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167
Revised: June 21, 2011 04:14 PM
©2011 Littelfuse, Inc
Teccor® brand Thyristors
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
0.8 Amp Sensitive SCRs
EC103xx & SxSx Series
0.1
1.0
10.0
100.0
110
100
1000
Surge Current Duration -- Full Cycles
Figure 12: Surge Peak On-State Current vs. Number of Cycles
Figure 13: Simple Test Circuit for Gate Trigger Voltage and Current
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS On-State Current: [I
T(RMS)]: Maximum Rated
Value at Specified Case Temperature
Notes:
1. Gate control may be lost during and immediately
following surge current interval.
2. Overload may not be repeated until junction
temperature has returned to steady-state
rated value.
Note: V1 — 0 V to 10 V dc meter
V
GT — 0 V to 1 V dc meter
I
G — 0 mA to 1 mA dc milliammeter
R1 — 1 k potentiometer
To measure gate trigger voltage and current, raise gate
voltage (V
GT) until meter reading V1 drops from 6 V to 1 V.
Gate trigger voltage is the reading on V
GT just prior to V1
dropping. Gate trigger current I
GT Can be computed from
the relationship
V
GT
I
GT = IG-
____ Amps
1000
where I
G is reading (in amperes) on meter just prior to V1
dropping
Note: I
GT may turn out to be a negative quantity (trigger
current flows out from gate lead). If negative current
occurs, I
GT value is not a valid reading. Remove 1 k resistor
and use I
G as the more correct IGT value. This will occur on
12 µA gate products.
Reset
Normally-closed
Pushbutton
6V
DC
+
D.U.T.
100
R1
1 k
(1%)
100
I
GT
I
G
IN4001
V1
V
GT




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