3KP SERIES
GLASS PASSIVATED JUNCTION TRAN-
SIENT VOLTAGE SUPPRESSOR
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
3KP SERIES
Fig. 2 - PULSE DERATING CURVE
PEAK PULSE POWER (P
PP
) OR CURRENT (l
PP
)
DERATING PERCENTAGE %
Fig. 1 - PEAK PULSE POWER VS PULSE TIME
100
P
PPM
, PEAK PULSE POWER, kW
100
Non-Repetitive
Pulse waveform
Shown in Flgure 3
T
A
=25
0
C
75
10
50
1.0
25
0.1
0.1 s
0
0
25
50
75
100
125
150
175
200
1.0 s
10 s
100 s
1.0ms
10ms
td, PULSE WIDTH,
SEC
T
A
, AMBIENT TEMPERATURE,
0
C
Fig. 3 - PULSE WAVEFORM
150
Fig. 4 - TYPICAL CAPACIT
ANCE
VS STAND-OFF VOLTAGE
20,000
10,000
0
TJ=25C
f=1.0MHz
Vsig=50mVp-p
I
PPM
, PEAK PULSE CURRENT, %
tf=10 se
Peak Value
Ippm
100
Half Value-Ipp
T
A
=25 C
Pulse Width (td) is Defined
as the Poitn Where the Peak
Current Decays to 50% of Ipp
0
Measursd at
Zero Bias
CJ, CAPACITANCE, pF
1,000
2
50
10/1000 sec Waveform
as Defined by R.E.A
Measursd at
Stand-Off
Voltage(V
MW
)
100
e-kt
0
0
td
1.0
2.0
3.0
4.0
t, TIME, ms
10
1.0 2.0
10
20
100 200 400
V(
WM
), REVERSE STAND-OFF VOLT
AGE,
VOLTS
Fig. 5 - STEADY STATE POWER
DERATING CURVE
Pm
(AV)
STEADY STATE POWER
DISSIPATION, WATTS
6.0
Fig. 6 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
I
FSM
, PEAK FORWARD SURGE CURRENT
AMPERES
300
250
200
150
100
50
0
1
2
5
10
20
50
100
8.3ms Single Half Sine- Wave
JEDEC Method
TJ=TJ max
4.0
l
=375"(9.5mm)
2.0
20mmx20mmx1mm
Copper Heat Sinks
(0.8"x0.8"x.040")
0
0
25
50
75
100
125
0
150
175
200
T
L
, LEAD TEMPERATURE, C
NUMBER OF CYCLES AT 60 Hz
CHENG-YI [ CHENG-YI ELECTRONIC CO., LTD. ]
