TCR22875 Littelfuse, Inc., TCR22875 Datasheet - Page 5

• Manufacturer Part Number: TCR22875
• Description: Teccor Brand Thyristors 1.5 Amp Sensitive Scrs
• Manufacturer: Littelfuse, Inc.

Specifications are subject to change without notice.
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
Please refer to http://www.littelfuse.com for current information.
©2008 Littelfuse, Inc.
Figure 13: Surge Peak On-State Current vs. Number of Cycles
Figure 14: Simple Test Circuit for Gate Trigger Voltage and Current
100.0
10.0
1.0
0.1
1
Surge Current Duration -- Full Cycles
10
Teccor
1.5 Amp Sensitive SCRs
100
®
brand Thyristors
Revised: July 9, 2008
197
Note: V1 — 0 V to 10 V dc meter
To measure gate trigger voltage and current, raise gate
voltage (V
Gate trigger voltage is the reading on V
dropping. Gate trigger current I
the relationship
I
where I
dropping
Note: I
current flows out from gate lead). If negative current
occurs, I
and use I
12 μA gate products.
GT
1000
= I
G
V
I
R1 — 1 k potentiometer
- ____ Amps
GT
G
1000
G
GT
GT
— 0 mA to 1 mA dc milliammeter
V
may turn out to be a negative quantity (trigger
G
is reading (in amperes) on meter just prior to V1
GT
GT
— 0 V to 1 V dc meter
as the more correct I
value is not a valid reading. Remove 1 k resistor
) until meter reading V1 drops from 6 V to 1 V.
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS On-State Current: [I
Value at Specified Case Temperature
Notes:
1. Gate control may be lost during and immediately
2. Overload may not be repeated until junction
following surge current interval.
temperature has returned to steady-state
rated value.
GT
GT
T(RMS)
Can be computed from
value. This will occur on
]: Maximum Rated
GT
just prior to V1
TCR22-x Series