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2N103M75 View Datasheet(PDF) - Littelfuse, Inc

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2N103M75 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
Teccor® brand Thyristors
0.8 Amp Sensitive SCRs
Figure 12: Surge Peak On-State Current vs. Number of Cycles
100.0
10.0
1.0
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS On-State Current: [IT(RMS)]: Maximum Rated
Value at Specified Case Temperature
Notes:
1. G ate control may be lost during and immediately
following surge current interval.
2. O verload may not be repeated until junction
temperature has returned to steady-state
rated value.
0.1
1
10
100
1000
Surge Current Duration -- Full Cycles
Figure 13: Simple Test Circuit for Gate Trigger Voltage and Current
Reset
Normally-closed
Pushbutton
Note: V1 — 0 V to 10 V dc meter
VGT — 0 V to 1 V dc meter
IG — 0 mA to 1 mA dc milliammeter
R1 — 1 k potentiometer
+
6VDC
100
To measure gate trigger voltage and current, raise gate
voltage (VGT) until meter reading V1 drops from 6 V to 1 V.
D.U.T.
V1
Gate trigger voltage is the reading on VGT just prior to V1
IGT
IG
IN4001
100
R1
dropping. Gate trigger current IGT Can be computed from
the relationship
1k
(1%)
VGT
IGT
=
IG-
_V__GT_
1000
Amps
where IG is reading (in amperes) on meter just prior to V1
dropping
Note: IGT may turn out to be a negative quantity (trigger
current flows out from gate lead). If negative current
occurs, IGT value is not a valid reading. Remove 1 k resistor
and use IG as the more correct IGT value. This will occur on
12 µA gate products.
EC103xx & SxSx Series
167
Revised: June 21, 2011 04:14 PM
©2011 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
 

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