CHENG-YI 3KP12

3KP SERIES
GLASS PASSIVATED JUNCTION TRANSIENT 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 ID less than 1 A above 10V
High temperature soldering guaranteed:
300oC/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 250C ambient temperature unless otherwise specified.
RATINGS
SYMBOL
VALUE
UNITS
PPPM
Minimum 3000
Watts
PPPM
SEE TABLE 1
Amps
Steady Power Dissipation at TL=75 C
Lead Lengths .375",(9.5mm)(NOTE 2)
PM(AV)
8.0
Watts
Peak Forward Surge Current 8.3ms Single Half Sine-Wave
Superimposed on Rated Load(JEDEC Method)(NOTE 3)
IFSM
250
Amps
TJ, TSTG
-55 to + 175
Peak Pulse Power Dissipation on 10/1000
Peak Pulse Current of on 10/1000
s waveform (NOTE 1,Fig.1)
s waveform (NOTE 1,Fig.3)
0
Operating Junction and Storage Temperature Range
Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25oC per Fig.2
2. Mounted on Copper Leaf area of 0.79 in2 (20mm2)
3. Measured on 8.3ms single half sine-wave or equivalent square wave,
Duty Cycle=4 pulses per minuters maximum.
0
C
3KP SERIES
GLASS PASSIVATED JUNCTION TRANSIENT 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
PPPM, PEAK PULSE POWER, kW
100
100
Non-Repetitive
Pulse waveform
Shown in Flgure 3
TA=250C
10
1.0
0.1
0.1 s
1.0 s
10 s
1.0ms
100 s
10ms
75
50
25
0
0
25
50
100
125
150
175
200
Fig. 4 - TYPICAL CAPACITANCE
VS STAND-OFF VOLTAGE
Fig. 3 - PULSE WAVEFORM
20,000
150
tf=10 se
Measursd at
Zero Bias
CJ, CAPACITANCE, pF
100
Half Value-Ipp
2
10/1000 sec Waveform
as Defined by R.E.A
50
0
TJ=25C
f=1.0MHz
Vsig=50mVp-p
10,000
TA=250C
Pulse Width (td) is Defined
as the Poitn Where the Peak
Current Decays to 50% of Ipp
Peak Value
Ippm
e-kt
1,000
Measursd at
Stand-Off
Voltage(V MW)
100
td
0
0
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 VOLTAGE, VOLTS
Fig. 5 - STEADY STATE POWER
DERATING CURVE
Fig. 6 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
6.0
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
150
TL, LEAD TEMPERATURE, 0C
175
200
IFSM, PEAK FORWARD SURGE CURRENT
AMPERES
Pm (AV) STEADY STATE POWER
DISSIPATION, WATTS
IPPM, PEAK PULSE CURRENT, %
75
TA, AMBIENT TEMPERATURE, 0C
td, PULSE WIDTH, SEC
300
TJ=TJ max
8.3ms Single Half Sine- Wave
JEDEC Method
250
200
150
100
50
0
1
2
5
10
20
NUMBER OF CYCLES AT 60 Hz
50
100