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MOTOROLA
SEMICONDUCTOR
TECHNICAL DATA
Motorola TVS/Zener Device Data
4-1
500 Watt Peak Power Data Sheet
Devices listed in bold, italic are Motorola preferred devices.
1500 Watt MOSORB
GENERAL DATA APPLICABLE TO ALL SERIES IN
THIS GROUP
Zener Transient Voltage Suppressors
Unidirectional and Bidirectional
Mosorb devices are designed to protect voltage sensitive components from high volt-
age, high energy transients. They have excellent clamping capability, high surge capabili-
ty, low zener impedance and fast response time. These devices are Motorola's exclusive,
cost-effective, highly reliable Surmetic axial leaded package and are ideally-suited for use
in communication systems, numerical controls, process controls, medical equipment,
business machines, power supplies and many other industrial/consumer applications, to
protect CMOS, MOS and Bipolar integrated circuits.
Specification Features:
Standard Voltage Range -- 6.2 to 250 V
Peak Power -- 1500 Watts @ 1 ms
Maximum Clamp Voltage @ Peak Pulse Current
Low Leakage < 5
A Above 10 V
UL Recognition
Response Time is Typically < 1 ns
Mechanical Characteristics:
CASE: Void-free, transfer-molded, thermosetting plastic
FINISH: All external surfaces are corrosion resistant and leads are readily solderable
POLARITY: Cathode indicated by polarity band. When operated in zener mode, will be
positive with respect to anode
MOUNTING POSITION: Any
WAFER FAB LOCATION: Phoenix, Arizona
ASSEMBLY/TEST LOCATION: Guadalajara, Mexico
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Peak Power Dissipation (1)
@ TL
25
C
PPK
1500
Watts
Steady State Power Dissipation
@ TL
75
C, Lead Length = 3/8
Derated above TL = 75
C
PD
5
50
Watts
mW/
C
Forward Surge Current (2)
@ TA = 25
C
IFSM
200
Amps
Operating and Storage Temperature Range
TJ, Tstg
65 to +175
C
Lead temperature not less than 1/16
from the case for 10 seconds: 230
C
NOTES: 1. Nonrepetitive current pulse per Figure 5 and derated above TA = 25
C per Figure 2.
NOTES:
2. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
1N6373A
SERIES
MOSORB
ZENER OVERVOLTAGE
TRANSIENT
SUPPRESSORS
6.2250 VOLTS
1500 WATT PEAK POWER
5 WATTS STEADY STATE
CASE 41A
PLASTIC
1500 WATT
PEAK POWER
Motorola TVS/Zener Device Data
4-2
500 Watt Peak Power Data Sheet
*ELECTRICAL CHARACTERISTICS
(TA = 25
C unless otherwise noted) VF# = 3.5 V Max, IF** = 100 A) (C suffix denotes standard
ELECTRICAL CHARACTERISTICS
back to back bidirectional versions. Test both polarities)
JEDEC
Breakdown
{{
Maximum
M
i
Maximum
Maximum
Reverse
Voltage
Clamping Voltage
JEDEC
Breakdown
{{
Voltage
Maximum
Reverse
Maximum
Maximum
Reverse
Voltage
@ IRSM
{
Peak Pulse
Peak Pulse
JEDEC
Device
Note 1
Device
Note 1
VBR
Volts
Min
@ IT
(mA)
Reverse
Stand-Off
Voltage
VRWM***
(Volts)
Maximum
Reverse
Leakage
@ VRWM
IR (
A)
Reverse
Surge
Current
IRSM
{
(Amps)
@ IRSM
{
(Clamping
Voltage)
VRSM
(Volts)
Peak Pulse
Current @
Ipp1
{
= 1 A
VC1
(Volts max)
Peak Pulse
Current @
Ipp1
{
= 10 A
VC2
(Volts max)
1N6373
ICTE-5/MPTE-5
6
1
5
300
160
9.4
7.1
7.5
1N6374
ICTE-8/MPTE-8
9.4
1
8
25
100
15
11.3
11.5
1N6382
ICTE-8C/MPTE-8C
9.4
1
8
25
100
15
11.4
11.6
1N6375
ICTE-10/MPTE-10
11.7
1
10
2
90
16.7
13.7
14.1
1N6383
ICTE-10C/MPTE-10C
11.7
1
10
2
90
16.7
14.1
14.5
1N6376
ICTE-12/MPTE-12
14.1
1
12
2
70
21.2
16.1
16.5
1N6384
ICTE-12C/MPTE-12C
14.1
1
12
2
70
21.2
16.7
17.1
1N6377
ICTE-15/MPTE-15
17.6
1
15
2
60
25
20.1
20.6
1N6385
ICTE-15C/MPTE-15C
17.6
1
15
2
60
25
20.8
21.4
1N6378
ICTE-18/MPTE-18
21.2
1
18
2
50
30
24.2
25.2
1N6386
ICTE-18C/MPTE-18C
21.2
1
18
2
50
30
24.8
25.5
1N6379
ICTE-22/MPTE-22
25.9
1
22
2
40
37.5
29.8
32
1N6387
ICTE-22C/MPTE-22C
25.9
1
22
2
40
37.5
30.8
32
1N6380
ICTE-36/MPTE-36
42.4
1
36
2
23
65.2
50.6
54.3
1N6388
ICTE-36C/MPTE-36C
42.4
1
36
2
23
65.2
50.6
54.3
1N6381
ICTE-45/MPTE-45
52.9
1
45
2
19
78.9
63.3
70
1N6389
ICTE-45C/MPTE-45C
52.9
1
45
2
19
78.9
63.3
70
NOTE 1: C suffix denotes standard back-to-back bidirectional versions. Test both polarities. JEDEC device types 1N6382 thru 1N6389 are registered as back to back bidirectional versions and
do not require a C suffix. 1N6373 thru 1N6381 are registered as unidirectional devices only (no bidirectional option).
**
* 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 unidirectional devices only.
Motorola TVS/Zener Device Data
4-3
500 Watt Peak Power Data Sheet
Devices listed in bold, italic are Motorola preferred devices.
Figure 1. Pulse Rating Curve
100
80
60
40
20
0
0
25
50
75
100
125
150
175
200
PEAK
PULSE
DERA
TING IN % OF
PEAK POWER OR CURRENT

@ T
A
= 25
C
TA, AMBIENT TEMPERATURE (
C)
Figure 2. Pulse Derating Curve
Figure 3. Capacitance versus Breakdown Voltage
1N6373, ICTE-5, MPTE-5,
through
1N6389, ICTE-45, C, MPTE-45, C
1N6267A/1.5KE6.8A
through
1N6303A/1.5KE200A
5
4
3
2
1
25
50
75
100
125
150
175
200
P D
, STEADY

ST
A
TE POWER DISSIP
A
TION (W
A
TTS)
TL, LEAD TEMPERATURE (
C)
3/8
3/8
Figure 4. Steady State Power Derating
0
0
100
50
0
0
1
2
3
4
t, TIME (ms)
V
ALUE (%)
tr
tP
PEAK VALUE -- IRSM
HALF VALUE
IRSM
2
Figure 5. Pulse Waveform
PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAYS TO 50%
OF IRSM.
tr
10
s
1
s
10
s
100
s
1 ms
10 ms
100
10
1
tP, PULSE WIDTH
P P
, PEAK POWER (kW)
NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 5
BV, BREAKDOWN VOLTAGE (VOLTS)
BV, BREAKDOWN VOLTAGE (VOLTS)
1
10
100
1000
10,000
1000
100
10
1
10
100
1000
10,000
1000
100
10
C, CAP
ACIT
ANCE
(pF)
C, CAP
ACIT
ANCE
(pF)
MEASURED @
ZERO BIAS
MEASURED @
STAND-OFF
VOLTAGE (VR)
MEASURED @
STAND-OFF
VOLTAGE (VR)
MEASURED @
ZERO BIAS
0.1
s
Motorola TVS/Zener Device Data
4-4
500 Watt Peak Power Data Sheet
1N6373, ICTE-5, MPTE-5,
through
1N6389, ICTE-45, C, MPTE-45, C
1N6267A/1.5KE6.8A
through
1N6303A/1.5KE200A
Figure 6. Dynamic Impedance
1000
500
200
100
50
20
10
5
2
1
1000
500
200
100
50
20
10
5
2
1
0.3
0.5 0.7
1
2
3
5
7
10
20
30
VZ, INSTANTANEOUS INCREASE IN VZ ABOVE VZ(NOM) (VOLTS)
0.3
0.5 0.7
1
2
3
5
7
10
20 30
VZ, INSTANTANEOUS INCREASE IN VZ ABOVE VZ(NOM) (VOLTS)
I Z
, ZENER CURRENT
(AMPS)
VZ(NOM) = 6.8 to 13 V
TL = 25
C
tP = 10
s
VZ(NOM) = 6.8 to 13 V
TL = 25
C
tP = 10
s
20 V
24 V
43 V
75 V
180 V
120 V
I Z
, ZENER CURRENT
(AMPS)
20 V
24 V
43 V
Figure 7. Typical Derating Factor for Duty Cycle
DERA
TING F
ACT
OR
1 ms
10
s
1
0.7
0.5
0.3
0.05
0.1
0.2
0.01
0.02
0.03
0.07
100
s
0.1
0.2
0.5
2
5
10
50
1
20
100
D, DUTY CYCLE (%)
PULSE WIDTH
10 ms
APPLICATION NOTES
RESPONSE TIME
In most applications, the transient suppressor device is
placed in parallel with the equipment or component to be pro-
tected. In this situation, there is a time delay associated with
the capacitance of the device and an overshoot condition as-
sociated 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 volt-
age 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 unaccept-
able 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 op-
eration.
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
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
s 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.
Motorola TVS/Zener Device Data
4-5
500 Watt Peak Power Data Sheet
Devices listed in bold, italic are Motorola preferred devices.
TYPICAL PROTECTION CIRCUIT
Vin
VL
V
Vin
Vin (TRANSIENT)
VL
td
V
VL
Vin (TRANSIENT)
Zin
LOAD
OVERSHOOT DUE TO
INDUCTIVE EFFECTS
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 flammabil-
ity 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