S6S2RP Datasheet, PDF (5/10 Pages) Littelfuse – Teccor brand Thyristors

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: [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.
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
V — 0 V to 1 V dc meter
GT
I — 0 mA to 1 mA dc milliammeter
G
R1 — 1 k potentiometer
+
6V_DC
–
100
To measure gate trigger voltage and current, raise gate
voltage (V ) until meter reading V1 drops from 6 V to 1 V.
GT
Gate trigger voltage is the reading on V just prior to V1
D.U.T.
V1
GT
I_GT
I_G
IN4001
100
R1
dropping. Gate trigger current I_GT Can be computed from
the relationship
1k
(1%)
V_GT
I = I - ^_V__GT_ Amps
GT G ₁₀₀₀
where I_G is reading (in amperes) on meter just prior to V1
dropping
Note: I may turn out to be a negative quantity (trigger
GT
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 I_GT value. This will occur on
12 μA gate products.
EC103xx & SxSx Series
193
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 09/23/13