1.5KE SERIES
1500 WATT PEAK POWER TRANSIENT VOLTAGE SUPPRESSORS
FEATURES
* 1500 Watts Surge Capability at 1ms
* Excellent clamping capability
* Low zener impedance
* Fast response time: Typically less than
1.0ps from 0 volt to BV min.
* Typical I
R
less than 1
µ
A above 10V
* High temperature soldering guaranteed:
260 C / 10 seconds / .375"(9.5mm) lead
length, 5lbs.(2.3kg) tension
VOLTAGE RANGE
6.8 to 440 Volts
1500 Watts Peak Power
5.0 Watts Steady State
DO-27
.210(5.3)
.188(4.8)
DIA.
0.945(24.0)
MIN.
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 1.20 grams
.375(9.5)
.285(7.2)
*BothnormalandPbfree productareavailable:
*Normal:80~95%Sn,5~20%Pb
*Pbfree:99SnabovecanmeetRohsenviromentsubstance
directiverequest
.052(1.3)
.043(1.1)
DIA.
0.945(24.0)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATINGS
Peak Power Dissipation at T
A
=25 C, T
P
=1ms(NOTE 1)
Steady State Power Dissipation at T
L
=75 C
Lead Length .375"(9.5mm) (NOTE 2)
Peak Forward Surge Current at 8.3ms Single Half Sine-Wave
superimposed on rated load (JEDEC method) (NOTE 3)
Operating and Storage Temperature Range
SYMBOL
P
PK
P
D
I
FSM
T
J
, T
STG
VALUE
Minimum 1500
5.0
200
-55 to +175
UNITS
Watts
Watts
Amps
C
NOTES:
1. Non-repetitive current pulse per Fig. 3 and derated above T
A
=25 C per Fig. 2.
2. Mounted on Copper Pad area of 0.8" X 0.8" (20mm X 20mm) per Fig.5.
3. 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum.
DEVICES FOR BIPOLAR APPLICATIONS
1. For Bidirectional use C or CA Suffix for types 1.5KE6.8 thru 1.5KE440.
2. Electrical characteristics apply in both directions.
138
RATING AND CHARACTERISTIC CURVES (1.5KE SERIES)
FIG.1-PEAK PULSE POWER DERATING CURVE
Non-Repetitive
Pulse Waveform
Shown in Fig. 3
T
A
=25 C
10
PEAK PULSE POWER(P
PP
) OR CURRENT(I
PP
)
DERATING IN PERCENTAGE
100
100
FIG.2-PULSE DERATING CURVE
P
PPM
, PEAK PULSE POWER, KW
75
50
1.0
25
0.1
0.1
µ
s
1.0
µ
s
10
µ
s
100
µ
s
1.0ms
10ms
0
0
25
50
75
100
125
150
175
td, PULSE WIDTH, sec.
T
A
, AMBIENT TEMPERATURE ( C)
FIG.3-PULSE WAVE FORM
150
I
PPM
, PEAK PULSE CURRENT, %
tf=10
µ
s
Peak Value
I
PPM
T
A
=25 C
Pulse Width (td) is defined
as the point where the Peak
Current Deacys to 50% of Ipp
10000
FIG.4-TYPICAL JUNCTION CAPACITANCE
T
J
=25 C
f=1.0MHz
Vsig=50mVp-p
Measued at
Zero Bias
1000
100
Half Value-I
PPM
2
50
C
J
, CAPACITANCE, pF
10/1000
µ
sec Waveform
as Defined by R.E.A.
100
Measured at
Stand-Off
Voltage(V
MW
)
td
e-kt
0
0
1.0
2.0
3.0
4.0
10
5.0
10
20
50
100
200
500
t, TIME, ms
V(BR), BREAKDOWN VOLTAGE, VOLTS
FIG.5-STEADY STATE POWER DERATING CURVE
Pm(
AV
), STEADY STATE POWER DISSIPATION, WATTS
5.00
FIG.6-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT, UNIDIRECTIONAL
200
T
J
=T
J
max
8.3ms Single Half Sine-wave
JEDEC Method
100
3.75
L=.375"(9.5mm)
I
FSM
, PEAK FORWARD SURGE
CURRENT, AMPERES
50
2.50
1.25
20mm x 20mm x 1mm
Copper Heat Sink
(0.8" x 0.8" x .040")
UNIDIRECTIONAL ONLY
20
10
0
0
25
50
75
100
125
150
175
200
1
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
T
L
, LEAD TEMPERATURE ( C)
139
嵌入式系统
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