(TA = 25°C unless otherwise noted) VF# = 3.5 V Max, IF** = 100 A
Maximum
Reverse
Voltage
@ IRSM
Maximum
(Clamping Temperature
Voltage)
Coefficient
VRSM
of VBR
(Volts)
(%/°C)
Breakdown Voltage
VBR
{{
Volts
Device
1.5KE6.8A
1.5KE7.5A
1.5KE8.2A
1.5KE9.1A
1.5KE10A
1.5KE11A
1.5KE12A
1.5KE13A
1.5KE15A
1.5KE16A
1.5KE18A
1.5KE20A
Min
Nom
Max
JEDEC
Device
@ IT
(mA)
Working
Peak
Reverse
Voltage
VRWM***
(Volts)
Maximum
Reverse
Leakage
@ VRWM
IR (µA)
Maximum
Reverse
Surge
Current
IRSM
{
(Amps)
1N6267A
1N6268A
1N6269A
1N6270A
1N6271A
1N6272A
1N6273A
1N6274A
6.45
7.13
7.79
8.65
9.5
10.5
11.4
12.4
6.8
7.5
8.2
9.1
10
11
12
13
7.14
7.88
8.61
9.55
10.5
11.6
12.6
13.7
10
10
10
1
1
1
1
1
5.8
6.4
7.02
7.78
8.55
9.4
10.2
11.1
1000
500
200
50
10
5
5
5
143
132
124
112
103
96
90
82
10.5
11.3
12.1
13.4
14.5
15.6
16.7
18.2
0.057
0.061
0.065
0.068
0.073
0.075
0.078
0.081
1N6275A
1N6276A
1N6277A
1N6278A
1N6279A
1N6280A
1N6281A
1N6282A
14.3
15.2
17.1
19
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
95
105
114
124
143
152
162
171
190
209
237
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
170
180
200
220
250
15.8
16.8
18.9
21
23.1
25.2
28.4
31.5
34.7
37.8
41
45.2
49.4
53.6
58.8
65.1
71.4
78.8
86.1
95.5
105
116
126
137
158
168
179
189
210
231
263
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
12.8
13.6
15.3
17.1
18.8
20.5
23.1
25.6
28.2
30.8
33.3
36.8
40.2
43.6
47.8
53
58.1
64.1
70.1
77.8
85.5
94
102
111
128
136
145
154
171
185
214
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
71
67
59.5
54
49
45
40
36
33
30
28
25.3
23.2
21.4
19.5
17.7
16.3
14.6
13.3
12
11
9.9
9.1
8.4
7.2
6.8
6.4
6.1
5.5
4.6
5
21.2
22.5
25.2
27.7
30.6
33.2
37.5
41.4
45.7
49.9
53.9
59.3
64.8
70.1
77
85
92
103
113
125
137
152
165
179
207
219
234
246
274
328
344
0.084
0.086
0.088
0.09
0.092
0.094
0.096
0.097
0.098
0.099
0.1
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
0.109
0.109
1.5KE22A
1.5KE24A
1.5KE27A
1.5KE30A
1.5KE33A
1.5KE36A
1.5KE39A
1.5KE43A
1.5KE47A
1.5KE51A
1.5KE56A
1.5KE62A
1.5KE68A
1.5KE75A
1.5KE82A
1.5KE91A
1.5KE100A
1.5KE110A
1.5KE120A
1.5KE130A
1.5KE150A
1.5KE160A
1.5KE170A
1.5KE180A
1.5KE200A
1.5KE220A
1.5KE250A
1N6283A
1N6284A
1N6285A
1N6286A
1N6287A
1N6288A
1N6289
1N6290A
1N6291A
1N6292A
1N6293A
1N6294A
1N6295A
1N6296A
1N6297A
1N6298A
1N6299A
1N6300A
1N6301A
1N6302A
1N6303A
***
Indicates JEDEC registered data.
***
1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
*** A transient suppressor is normally selected according to the maximum reverse stand-off voltage (VRWM), which should be equal to or greater than the dc or continuous peak operating
***
voltage level.
{
{
Surge current waveform per Figure 5 and derate per Figure 2 of the General Data — 1500 W at the beginning of this group.
{ {
VBR measured at pulse test current IT at an ambient temperature of 25°C.
# VF applies to Non-CA suffix devices only.
FOR BIDIRECTIONAL APPLICATIONS
— USE CA SUFFIX ON 1.5KE SERIES for 1.5KE6.8CA
through 1.5KE250CA.
Electrical characteristics apply in both directions.
Preferred Bidirectional Devices —
1.5KE10CA
1.5KE12CA
1.5KE18CA
1.5KE36CA
http://onsemi.com
2
1N6267A Series
100
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT @ TA= 25
°
C
NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 5
PP , PEAK POWER (kW)
100
80
60
40
20
0
0
25
50
75
100 125 150 175 200
TA, AMBIENT TEMPERATURE (°C)
10
1
µs
0.1
1
µs
10
µs
100
µs
1 ms
10 ms
tP, PULSE WIDTH
Figure 1. Pulse Rating Curve
Figure 2. Pulse Derating Curve
1N6373, ICTE-5, MPTE-5,
through
1N6389, ICTE-45, C, MPTE-45, C
10,000
MEASURED @
ZERO BIAS
10,000
1N6267A/1.5KE6.8A
through
1N6303A/1.5KE200A
MEASURED @
ZERO BIAS
C, CAPACITANCE (pF)
1000
MEASURED @
STAND-OFF
VOLTAGE (VR)
C, CAPACITANCE (pF)
1000
MEASURED @
STAND-OFF
VOLTAGE (VR)
100
100
10
1
10
100
1000
BV, BREAKDOWN VOLTAGE (VOLTS)
10
1
10
100
1000
BV, BREAKDOWN VOLTAGE (VOLTS)
Figure 3. Capacitance versus Breakdown Voltage
PD , STEADY STATE POWER DISSIPATION (WATTS)
3/8″
5
4
3
2
1
0
0
25
50
75
100 125 150 175
TL, LEAD TEMPERATURE (°C)
200
0
0
3/8″
VALUE (%)
100
tr
PEAK VALUE — IRSM
PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAYS TO 50%
OF IRSM.
tr
3
10
µs
IRSM
2
HALF VALUE –
50
tP
1
2
t, TIME (ms)
3
4
Figure 4. Steady State Power Derating
Figure 5. Pulse Waveform
http://onsemi.com
3
1N6267A Series
1N6373, ICTE-5, MPTE-5,
through
1N6389, ICTE-45, C, MPTE-45, C
1000
500
I Z, ZENER CURRENT (AMPS)
200
100
50
20
10
5
2
1
0.3
0.5 0.7 1
2
3
5 7 10
20 30
∆V
Z, INSTANTANEOUS INCREASE IN VZ ABOVE VZ(NOM) (VOLTS)
TL = 25°C
tP = 10
µs
VZ(NOM) = 6.8 to 13 V
20 V
43 V
24 V
1000
500
I Z, ZENER CURRENT (AMPS)
200
100
50
20
10
5
2
1
0.3
0.5 0.7 1
2
3
5 7 10
20 30
∆V
Z, INSTANTANEOUS INCREASE IN VZ ABOVE VZ(NOM) (VOLTS)
180 V
120 V
TL = 25°C
tP = 10
µs
1N6267A/1.5KE6.8A
through
1N6303A/1.5KE200A
VZ(NOM) = 6.8 to 13 V
20 V
24 V
43 V
75 V
Figure 6. Dynamic Impedance
1
0.7
0.5
0.3
DERATING FACTOR
0.2
0.1
0.07
0.05
0.03
0.02
10
µs
0.01
0.1
0.2
0.5
1
2
5
10
D, DUTY CYCLE (%)
20
50
100
PULSE WIDTH
10 ms
1 ms
100
µs
Figure 7. Typical Derating Factor for Duty Cycle
APPLICATION NOTES
RESPONSE TIME
In most applications, the transient suppressor device is
placed in parallel with the equipment or component to be
protected. In this situation, there is a time delay associated
with the capacitance of the device and an overshoot
condition associated with the inductance of the device and
the inductance of the connection method. The capacitance
effect is of minor importance in the parallel protection
scheme because it only produces a time delay in the
transition from the operating voltage to the clamp voltage as
shown in Figure A.
The inductive effects in the device are due to actual
turn-on time (time required for the device to go from zero
current to full current) and lead inductance. This inductive
effect produces an overshoot in the voltage across the
equipment or component being protected as shown in Figure
B. Minimizing this overshoot is very important in the
application, since the main purpose for adding a transient
suppressor is to clamp voltage spikes. These devices have
excellent response time, typically in the picosecond range
and negligible inductance. However, external inductive
effects could produce unacceptable overshoot. Proper
circuit layout, minimum lead lengths and placing the
suppressor device as close as possible to the equipment or
components to be protected will minimize this overshoot.
Some input impedance represented by Zin is essential to
prevent overstress of the protection device. This impedance
should be as high as possible, without restricting the circuit
operation.
DUTY CYCLE DERATING
The data of Figure 1 applies for non-repetitive conditions
and at a lead temperature of 25°C. If the duty cycle increases,
the peak power must be reduced as indicated by the curves
of Figure 7. Average power must be derated as the lead or
http://onsemi.com
4
1N6267A Series
ambient temperature rises above 25°C. The average power
derating curve normally given on data sheets may be
normalized and used for this purpose.
At first glance the derating curves of Figure 7 appear to be
in error as the 10 ms pulse has a higher derating factor than
the 10
µs
pulse. However, when the derating factor for a
given pulse of Figure 7 is multiplied by the peak power value
of Figure 1 for the same pulse, the results follow the
expected trend.
TYPICAL PROTECTION CIRCUIT
Zin
Vin
LOAD
VL
V
Vin (TRANSIENT)
VL
V
OVERSHOOT DUE TO
INDUCTIVE EFFECTS
Vin (TRANSIENT)
VL
Vin
td
tD = TIME DELAY DUE TO CAPACITIVE EFFECT
t
t
Figure 8.
Figure 9.
UL RECOGNITION*
The entire series has
Underwriters Laboratory
Recognition
for the classification of protectors (QVGV2)
under the UL standard for safety 497B and File #116110.
Many competitors only have one or two devices recognized
or have recognition in a non-protective category. Some
competitors have no recognition at all. With the UL497B
recognition, our parts successfully passed several tests
including Strike Voltage Breakdown test, Endurance
Conditioning,
Temperature
test,
Dielectric
Voltage-Withstand test, Discharge test and several more.
Whereas, some competitors have only passed a
flammability test for the package material, we have been
recognized for much more to be included in their Protector
category.
*Applies to 1.5KE6.8A, CA thru 1.5KE250A, CA
CLIPPER BIDIRECTIONAL DEVICES
1. Clipper-bidirectional devices are available in the
1.5KEXXA series and are designated with a “CA”
suffix; for example, 1.5KE18CA. Contact your nearest
Motorola representative.
2. Clipper-bidirectional part numbers are tested in both
directions to electrical parameters in preceeding table
(except for VF which does not apply).
3. The 1N6267A through 1N6303A series are JEDEC
registered devices and the registration does not include
a “CA” suffix. To order clipper-bidirectional devices
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