1.5 KE Series
1500W Surface Mount
Transient Voltage Suppressor
P b
Lead(Pb)-Free
Features:
* Plastic package
* Glass passivated chip junction in DO-201 package
* 1500W surge capability at 10/1000 µs wave form
* Excellent clamping capability
* Low zener impedance
* Fast response time: typically lessl than 1.0ps from 0 Volts
to BV min.
* Typical IR less than 1µA above 10V
* High temperature soldering guaranteed: 265°C/10 seconds/.375
,(9.5mm) lead length, 5lbs., (2.3kg) tension
VOLTAGE
6.8 to 550 Volts
Peak Pulse Power
1500 Watt
DO-201
Mechanical Data:
* Case: JEDEC DO-201 Molded plastic
* Terminal: Solderable per MIL-STD-750, Method 2026
* Polarity: Color band denotes cathode except Bipolar
* Mounting Position: Any
* Weight: 0.045 ounce, 1.2 grams
DEVICES FOR BIPOLAR APPLICATION:
For Bidirectional use C or CA Suffix for types 1.5KE6.8 thru types 1.5KE550 (e.g. 1.5KE6.8C
,1.5KE550CA) Electrical characteristics apply in both directions
MAXIMUM RATINGS AND CHARACTERISTICS
(T
A
=25°C Unless otherwise specified)
Rating
Peak Power Dissipation at T
A
=25C, T
P
= 1ms (Note 1)
Steady State Power Dissipation at T
L
= 75°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 Temperature Range
Storage Temperature Range
Symbol
P
PPM
P
M(AV)
I
FSM
T
J
T
STG
Value
1500(Min)
6.5
200
+175
-55 to +175
Units
W
W
A
°C
°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 1.6 x 1.6” (40x40mm) per Fig.5.
3. 8.3ms single half sine-wave , or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.
WEITRON
http://www.weitron.com.tw
1/4
12-May-06
1.5 KE Series
RATINGS AND CHARACTERISTIC CURVES
100
100
P
PPM
-Peak Pulse Power (kW)
Peak Pulse Power (P
PP
)
or Current (I
PP
)
D e r at i n g i n P er c e nt a ge , %
1.0µs
10µs
100µs
1.0ms
10ms
87.5
75
62.5
50
37.5
25
12.5
0
0
25
50
75
100
125
150
175
200
10
1
0.1
0.1µs
Fig. 1 - Peak Pulse Power Rating Curve
t
d
- Pulse Width (sec.)
T
A
- Ambient Temperature (°C)
Fig.2 - Pulse Derating Curve
150
10000
I
PPM
- Peak Pulse Current,% I
RSM
100
Peak Value
I
PPM
Half Value- I
PPM
2
is defined as the point
where the peak current
decays to 50% of I
PPM
C
J
- Cap ac i tan c e (p F)
t
r
= 10µsec.
T
J
= 25°C
Pulse Width (t
d
)
Unidirectional
Bidirectional
V
R
= 0
1000
V
R
= Rated
Stand-off Voltage
100
50
10/1000µsec.Waveform
as defined by R.E.A.
f = 1MHz
Vsig = 50mVp-p
T
J
= 25°C
t
d
0
0
1.0
2.0
3.0
4.0
10
5
10
100
500
Fig.3 - Pulse Waveform
t - Time(ms)
Fig. 4 - Typical Junction Capacitance
VWM - Reverse Stand-Off Voltage (V)
P
M(AV)
,Steady State Power
Dissip at ion (W)
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
1.6x1.6x.040"
(40x40x1mm)
Copper Heat Sinks
L=0.375" (9.5mm)
Lead Lengths
60Hz
Resistive or
Inductive Load
I
FSM
-Peak Forward Surge Current (A)
8.0
200
8.3ms Single Half Sine-Wave
(JEDEC Method)T
J
=T
J
max.
100
25
50
75
100
125
150
175
200
10
1
10
100
Fig. 5 - Steady State Power Derating Curve
T
L
- Lead Temperature (°C)
Number of Cycles at 60 Hz
Fig.6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
WEITRON
http://www.weitron.com.tw
3/4
12-May-06
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