
R3612
PROGRAMMABLE OVERVOLTAGE PROTECTOR
FOR ERICSSON COMPONENTS 3357/3 DCLIC
DECEMBER 1995 - REVISED SEPTEMBER 1997
6
P R O D U C T I N F O R M A T I O N
Repetitive Peak Forward Current, I
FRM
Rated maximum (peak) value of a.c. power frequency forward current of specified waveshape and frequency
which may be applied continuously.
Critical rate of rise of on-state current, di/dt, (di
T
/dt)cr
Rated value of the rate of rise of current which the device can withstand without damage.
main terminal characteristics
Off-State Voltage, V
D
The d.c. voltage when the device is in the off-state.
Off-State Current, I
D
The d.c. value of current that results from the application of the off-state voltage, V
D
.
Repetitive Peak Off-State Current, I
DRM
The maximum (peak) value of off-state current that results from the application of the repetitive peak off-state
voltage, V
DRM
.
Breakover Voltage, V
(BO)
The maximum voltage across the device in or at the breakdown region measured under specified voltage rate
of rise and current rate of rise.
NOTE - Where a breakdown characteristic has several V
(BO)
values that need to be referenced, a numeric
suffix can be added and the relevant part of the breakdown current range specified (e.g. V
(BO)1
,
0 < I
(BR)
< 10 mA).
Holding Current, I
H
The minimum current required to maintain the device in the on-state.
Off-State Capacitance, C
O
, C
J
The capacitance in the off-state measured at specified frequency, f, amplitude, V
d
, and d.c. bias, V
D
.
Peak Forward Recovery Voltage, V
FRM
The maximum value of forward conduction voltage across the device upon the application of a specified
voltage rate of rise and current rate of rise following a zero or specified reverse-voltage condition.
Critical rate of rise of off-state voltage, dv/dt, (dv
D
/dt)cr
The maximum rate of rise of voltage (below V
DRM
) that will not cause switching from the off-state to the on-
state.
Breakover Current, I
(BO)
The instantaneous current flowing at the breakover voltage, V
(BO)
.
Switching Voltage, V
S
The instantaneous voltage across the device at the final point in the breakdown region prior to switching into
the on-state.
Switching Current, I
S
The instantaneous current flowing through the device at the switching voltage, V
S
.
On-State Voltage, V
T
The voltage across the device in the on-state condition at a specified current I
T
.