3KP SERIES
GLASS PASSIVATED JUNCTION TRAN-
SIENT VOLTAGE SUPPRESSOR
CHENG- YI
ELECTRONIC
VOLTAGE 6.8 to 144 VOLTS
400 WATT PEAK POWER
1.0 WATTS STEADY STATE
FEATURES
Plastic package has Underwrites Laboratory
Flammability Classification 94V-O
Glass passivated junction
3000W Peak Pulse Power capability on
10/1000 s waveform
Excellent clamping capability
Repetition rate (Duty Cycle):0.5%
Low incremental surge resistance
Fast response time: typically less than 1.0 ps
from 0 volts to BV min.
Typical I
D
less than 1 A above 10V
High temperature soldering guaranteed:
300
o
C/10 seconds /.375',(9.5mm)
lead length/51bs.,(2.3kg) tension
MECHANICAL DATA
Case:Molded plastic over glass passivated junction
Terminals:Plated Axial leads, solderable per MIL-STD-750, Method 2026
Polarity:Color band denote positive end (cathode)
Mounting Position:Any
Weight:0.07 ounces, 2.1gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
0
C ambient temperature unless otherwise specified.
RATINGS
Peak Pulse Power Dissipation on 10/1000
Peak Pulse Current of on 10/1000
Steady Power Dissipation at T
L
=75
0
C
Lead Lengths .375",(9.5mm)
(NOTE 2)
Peak Forward Surge Current 8.3ms Single Half Sine-Wave
Superimposed on Rated Load(JEDEC Method)
(NOTE 3)
Operating Junction and Storage Temperature Range
s waveform (NOTE 1,Fig.1)
s waveform (NOTE 1,Fig.3)
SYMBOL
P
PPM
P
PPM
P
M(AV)
VALUE
Minimum 3000
SEE TABLE 1
8.0
UNITS
Watts
Amps
Watts
Amps
0
I
FSM
T
J
, T
STG
250
-55 to + 175
C
Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25
o
C per Fig.2
2. Mounted on Copper Leaf area of 0.79 in
2
(20mm
2
)
3. Measured on 8.3ms single half sine-wave or equivalent square wave,
Duty Cycle=4 pulses per minuters maximum.
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
Electronics Design Contest
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