P4KE SERIES
V
BR
: 6.8 - 550 Volts
P
PK
: 400 Watts
FEATURES :
* 400W surge capability at 1ms
* Excellent clamping capability
* Low zener impedance
* Fast response time : typically less
then 1.0 ps from 0 volt to V
BR(min.)
* Typical I
R
less then 1µA above 10V
TRANSIENT VOLTAGE
SUPPRESSOR
DO - 41
0.107 (2.74)
0.080 (2.03)
1.00 (25.4)
MIN.
0.205 (5.20)
0.160 (4.10)
MECHANICAL DATA
* Case : DO-41 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
* Polarity : Color band denotes cathode end except Bipolar.
* Mounting position : Any
* Weight : 0.339 gram
0.034 (0.86)
0.028 (0.71)
1.00 (25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
Rating at 25
°
C ambient temperature unless otherwise specified.
Rating
Peak Power Dissipation at Ta = 25
°
C, Tp=1ms
(Note1)
Steady State Power Dissipation at T
L
= 75
°
C
Lead Lengths 0.375", (9.5mm)
(Note 2)
Peak Forward Surge Current, 8.3ms Single Half
Sine-Wave Superimposed on Rated Load
(JEDEC Method)
(Note 3)
Operating and Storage Temperature Range
Notes :
Symbol
P
PK
P
D
Value
Minimum 400
1.0
Unit
W
W
I
FSM
40
A
T
J,
T
STG
- 65 to + 175
°
C
(1) Non-repetitive Current pulse, per Fig. 5 and derated above Ta = 25
°
C per Fig. 1
2
2
(2) Mounted on Copper Leaf area of 1.57 in (40mm ).
(3) 8.3 ms single half sine-wave, duty cycle = 4 pulses per minutes maximum.
Page 1 of 3
Rev. 02 : January 28, 2004
ELECTRICAL CHARACTERISTICS
Rating at 25°C ambient temperature unless otherwise specified
Breakdown Voltage @ It Working Peak
( Note 1 )
Reverse
Type No.
Voltage
V
BR
(V)
It
V
RWM
Uni-directional Bi-directional
Min.
Max.
(mA)
(V)
Maximum
Maximum
Maximum
Reverse Leakage Reverse
Clamping
@ V
RWM
Current Voltage @ I
RSM
I
R
I
RSM
V
RSM
(A)
(V)
(µA)
10.5
11.3
12.1
13.4
14.5
15.6
16.7
18.2
21.2
22.5
24.0
25.5
27.7
30.6
33.2
37.5
41.4
45.7
49.9
53.9
59.3
64.8
70.1
77.0
85.0
92.0
103
113
125
137
152
165
179
207
219
234
246
274
328
344
414
482
548
602
754
Maximum
Temperature
Co-efficient
of V
BR
(% /°C)
0.057
0.061
0.065
0.068
0.073
0.075
0.078
0.081
0.084
0.086
0.087
0.088
0.090
0.092
0.094
0.096
0.097
0.098
0.099
0.100
0.101
0.101
0.102
0.103
0.104
0.104
0.105
0.105
0.106
0.106
0.107
0.107
0.107
0.108
0.108
0.108
0.108
0.108
0.108
0.110
0.110
0.110
0.110
0.110
0.110
P4KE6.8A
P4KE6.8CA
6.45
7.14
10
5.80
1000
40.0
P4KE7.5A
P4KE7.5CA
7.13
7.88
10
6.40
500
37.0
P4KE8.2A
P4KE8.2CA
7.79
8.61
10
7.02
200
35.0
P4KE9.1A
P4KE9.1CA
8.65
9.55
1.0
7.78
50
31.0
P4KE10A
P4KE10CA
9.50
10.5
1.0
8.55
10
29.0
P4KE11A
P4KE11CA
10.5
11.6
1.0
9.40
5.0
27.0
P4KE12A
P4KE12CA
11.4
12.6
1.0
10.2
5.0
25.0
P4KE13A
P4KE13CA
12.4
13.7
1.0
11.1
5.0
23.0
P4KE15A
P4KE15CA
14.3
15.8
1.0
12.8
5.0
20.0
P4KE16A
P4KE16CA
15.2
16.8
1.0
13.6
5.0
19.0
P4KE17A
P4KE17CA
16.2
17.9
1.0
14.5
5.0
18.0
P4KE18A
P4KE18CA
17.1
18.9
1.0
15.3
5.0
17.0
P4KE20A
P4KE20CA
19.0
21.0
1.0
17.1
5.0
15.0
P4KE22A
P4KE22CA
20.9
23.1
1.0
18.8
5.0
14.0
P4KE24A
P4KE24CA
22.8
25.2
1.0
20.5
5.0
13.0
P4KE27A
P4KE27CA
25.7
28.4
1.0
23.1
5.0
11.2
P4KE30A
P4KE30CA
28.5
31.5
1.0
25.6
5.0
10.0
P4KE33A
P4KE33CA
31.4
34.7
1.0
28.2
5.0
9.0
P4KE36A
P4KE36CA
34.2
37.8
1.0
30.8
5.0
8.4
P4KE39A
P4KE39CA
37.1
41.0
1.0
33.3
5.0
7.8
P4KE43A
P4KE43CA
40.9
45.2
1.0
36.8
5.0
7.1
P4KE47A
P4KE47CA
44.7
49.4
1.0
40.2
5.0
6.5
P4KE51A
P4KE51CA
48.5
53.6
1.0
43.6
5.0
6.0
P4KE56A
P4KE56CA
53.2
58.8
1.0
47.8
5.0
5.5
P4KE62A
P4KE62CA
58.9
65.1
1.0
53.0
5.0
5.0
P4KE68A
P4KE68CA
64.6
71.4
1.0
58.1
5.0
4.6
P4KE75A
P4KE75CA
71.3
78.8
1.0
64.1
5.0
4.1
P4KE82A
P4KE82CA
77.9
86.1
1.0
70.1
5.0
3.7
P4KE91A
P4KE91CA
86.5
95.5
1.0
77.8
5.0
3.4
P4KE100A
P4KE100CA
95.0
105
1.0
85.5
5.0
3.1
P4KE110A
P4KE110CA
105
116
1.0
94.0
5.0
2.8
P4KE120A
P4KE120CA
114
126
1.0
102
5.0
2.5
P4KE130A
P4KE130CA
124
137
1.0
111
5.0
2.3
P4KE150A
P4KE150CA
143
158
1.0
128
5.0
2.0
P4KE160A
P4KE160CA
152
168
1.0
136
5.0
1.9
P4KE170A
P4KE170CA
162
179
1.0
145
5.0
1.8
P4KE180A
P4KE180CA
171
189
1.0
154
5.0
1.7
P4KE200A
P4KE200CA
190
210
1.0
171
5.0
1.53
P4KE220A
P4KE220CA
209
231
1.0
185
5.0
1.22
P4KE250A
P4KE250CA
237
263
1.0
214
5.0
1.16
P4KE300A
P4KE300CA
285
315
1.0
256
5.0
0.97
P4KE350A
P4KE350CA
332
368
1.0
300
5.0
0.83
P4KE400A
P4KE400CA
380
420
1.0
342
5.0
0.73
P4KE440A
P4KE440CA
418
462
1.0
376
5.0
1.00
P4KE550A
P4KE550CA
522
577
1.0
470
5.0
0.53
Notes:
(1) V
BR
measured after It applied for 300
µs.,
It = square wave pulse or equivalent.
(2) V
F
= 3.5 Vmax., I
F
= 25 Amps. ( 6.8 Volts thru 91Volts )
V
F
= 5.0 Vmax., I
F
= 25 Amps. ( 100 Volts thru 550 Volts ) per 1/2 square or equivalent sine wave.
PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
(3) For Bipolar types having V
R
of 10 Volts and under, the I
R
limit is doubled.
(4) "4KE" will be omitted in marking on the diode.
Page 2 of 3
Rev. 02 : January 28, 2004
RATING AND CHARACTERISTIC CURVES ( P4KE SERIES )
FIG.1 - PULSE DERATING CURVE
120
FIG.2 - MAXIMUM NON-REPETITIVE
SURGE CURRENT
60
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
100
PEAK FORWARD SURGE
CURRENT, AMPERES
50
80
40
60
30
40
20
20
0
0
25
50
75
100
125
150
175
10
0
1
8.3 ms SINGLE HALF SINE WAVE
JEDEC METHOD
2
4
6
10
20
40
60
100
Ta, AMBIENT TEMPERATURE, (
°
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - STEADY STATE POWER DERATING
P
D
, STEADY STATE POWER DISSIPATION
(WATTS)
1.00
FIG.4 - PULSE RATING CURVE
100
0.75
Pp,PEAK POWER (kW)
Single Phase Half Wave
60 Hz Resistive or Inductive load
10
0.50
1.0
0.25
0.1
0.1µs
125
150
175
200
1.0µs
10µs
100µs
1.0ms
10ms
0
0
25
50
75
100
tp, PULSE WIDTH
T
L
, LEAD TEMPERATURE (
°
C
)
FIG.5 - PULSE WAVEFORM
PEAK PULSE CURRENT - % I
RMS
Tr = 10µs
100
Peak Value
I
RMS
T
J
=25
°C
Pulse Width (tp) is defined
as that point where the peak
current decays to 50%
of I
RSM
50
Half Value - I
RMS
2
10X1000 Waveform
as defined by R.E.A.
tp
0
0
1.0
2.0
3.0
4.0
T, TIME(ms)
Page 3 of 3
Rev. 02 : January 28, 2004
Microcontroller MCU
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