TVS Diodes
Axial > 1500W > 1N6373 - 1N6381 Series (ICTE-5 - ICTE-36)
1N6373 - 1N6381 Series (ICTE-5 - ICTE-36)
Description
Pb
These devices are designed to protect voltage sensitive
components from high voltage, high-energy transients.
They have excellent clamping capability, high surge
capability, low zener impedance and fast response time.
These devices are the Littelfuse exclusive, cost effective,
highly reliable 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
Features
• Working Peak Reverse Voltage Range - 5.0 V to 45 V
Maximum Ratings and Thermal Characteristics
Rating
Peak Power Dissipation (Note 1) @
T
L
” 25°C
Steady State Power Dissipation
@ T
L
“75°C, Lead Length = 3/8 ≤
Derated above T
L
= 75°C
Thermal Resistance,
Junction-to-Lead
Forward Surge Current (Note 2)
@TA = 25°C
R
8JL
Symbol
P
PK
Value
1500
Unit
W
W
mW/°C
°C/W
• Peak Power - 1500 Watts @ 1 ms
• ESD Rating of Class 3 (>16 KV) per Human Body Model
• Low Leakage < 5 µA Above 10 V
• Response Time is Typically < 1 ns
Bi-directional
• Pb-Free Packages are Available*
5.0
P
PK
20
20
Functional Diagram
Cathode
Anode
I
FSM
200
A
Operating and Storage
Temperature Range
T
J
, T
stg
−65 to
+175
°C/W
Additional Information
Uni-directional
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are
stress ratings only. Functional operation above the Recommended Operating Conditions is
not implied. Extended exposure to stresses above the Recommended Operating Conditions
may affect device reliability.
1. Nonrepetitive current pulse per Figure 5 and derated above TA = 25
°
C per Figure 2.
2. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per
minute maximum.
Datasheet
Resources
Samples
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/14/17
TVS Diodes
Axial > 1500W > 1N6373 - 1N6381 Series (ICTE-5 - ICTE-36)
I-V Curve Characteristics
(TA = 25C unless otherwise noted, VF = 3.5 V Max. @ IF (Note 3) = 100 A)
I
I
Symbol
I
PP
V
C
V
RWM
Parameter
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
PP
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V
RWM
Breakdown Voltage @ I
T
Test Current
Forward Current
Forward Voltage @ I
F
I
I
V
I
R
V
BR
I
T
I
I
F
V
F
Ratings and Characteristic Curves
Figure 1. Pulse Rating Curve
100
Figure 2. Pulse Derating Curve
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT @ TA= 25° C
PPK, PEAK POWER (kW)
NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 5
100
80
60
40
20
0
02
55
07
51
00 1251 50 175 200
T
A
, AMBIENT TEMPERATURE °C)
(
10
1
s
s
t , PULSE WIDTH
1 ms
10 ms
Figure 3. Capacitance versus Breakdown Voltage
10,000
MEASURED @
ZERO BIAS
Figure 4. Steady State Power Derating
PD , STEADY STATE POWER DISSIPATION (WATTS)
3/8
5
4
3
2
1
0
0
25
50
75
1001 25 1501 75
T
L
, LEAD TEMPERATURE (°C)
200
3/8
C, CAPACITANCE (pF)
1000
MEASURED @ V
RWM
100
"
"
10
11
01
00
1000
V
BR
, BREAKDOWN VOLTAGE (VOLTS)
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/14/17
TVS Diodes
Axial > 1500W > 1N6373 - 1N6381 Series (ICTE-5 - ICTE-36)
Figure 5. Pulse Waveform
Figure 6. Dynamic Impedance
1000
500
IT , TEST CURRENT (AMPS)
200
100
50
20
10
5
2
V
BR(MIN)
t
r
100
VALUE (%)
s
PEAK VALUE - I
PP
PULSE WIDTH (t ) IS DEFINED
P
AS THAT POINT WHERE THE
PEAK CURRENT DECAYS TO 50%
OF I
PP
.
T
L
t
P
°C
s
HALF VALUE -
50
t
P
0
01
23
I
PP
2
4
1
t, TIME (ms)
0.30
.5 0.71
23
57
10
20 30
V
BR
, INSTANTANEOUS INCREASE IN V ABOVE V
BR(NOM)
(VOLTS)
BR
Figure 7. Typical Derating Factor for Duty Cycle
1
0.7
0.5
0.3
DERATING FACTOR
0.2
0.1
0.07
0.05
0.03
0.02
0.01
0.10
10 s
.2
0.52
1
51
05
D, DUTY CYCLE (%)
20
00
10
PULSE WIDTH
10 ms
1 ms
100 s
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/14/17
TVS Diodes
Axial > 1500W > 1N6373 - 1N6381 Series (ICTE-5 - ICTE-36)
Electrical Characteristics
(TA = 25 ° C unless otherwise noted, VF = 3.5 V Max. @ IF (Note 3) = 53 A)
JEDEC
Device†
(ON Device)
Device
Marking
V
RWM
(Note 4)
I @V
R
RWM
Breakdown Voltage
V
BR
(V)
(Note 5)
@I
T
Max
-
-
-
-
-
-
-
-
-
-
-
-
-
(mA)
1.0
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
V
C
@I
PP
(Volts)
(Note 6)
V
C
(Volts)
(Note 6)
CV
BR
V
C
(Volts)
9.4
15
16.7
21.2
25
65.2
78.9
9.4
16.7
21.2
25
30
65.2
I
PP
(A)
160
100
90
70
60
23
19
160
90
70
60
50
23
(Volts)
1N6373, G
1N6374, G
1N6375, G
1N6376, G
1N6377 G
,
1N6380, G
1N6381, G
ICTE-5RLG
ICTE-10RLG
ICTE-12RLG
ICTE-15RLG
ICTE-18, G
ICTE-36RLG
1N6373
1N6374
1N6375
1N6376
1N6377
1N6380
1N6381
ICTE-5
ICTE-10
ICTE-12
ICTE-15
ICTE-18
ICTE-36
5.0
8.0
10
12
15
36
45
5.0
10
12
15
18
36
(µA)
300
25
2.0
2.0
2.0
2.0
2.0
300
2.0
2.0
2.0
2.0
2.0
Min
6.0
9.4
11.7
14.1
17
.6
42.4
52.9
6.0
11.7
14.1
17
.6
21.2
42.4
Nom
-
-
-
-
-
-
-
-
-
-
-
-
-
@ I
PP
=
1A
7
.1
11.3
13.7
16.1
20.1
50.6
63.3
7
.1
13.7
16.1
20.1
24.2
50.6
@ I
PP
=
10 A
7
.5
11.5
14.1
16.5
20.6
54.3
70
7
.5
14.1
16.5
20.6
25.2
54.3
(mV/
°
C)
4.0
8.0
12
14
18
50
60
4.0
8.0
12
14
18
26
3. Square waveform, PW = 8.3 ms, non-repetitive duty cycle.
4. A transient suppressor is normally selected according to the maximum working peak reverse voltage (V
RWM
), which should be equal to
or greater than the DC or continuous peak operating voltage level.
5. V
BR
measured at pulse test current I
T
at an ambient temperature of 25°C and minimum voltage in V
BR
is to be controlled.
6. Surge current waveform per Figure 5 and derate per Figures 1 and 2.
†The “G’’ suffix indicates Pb-Free package or Pb-Free packages are available.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/14/17
TVS Diodes
Axial > 1500W > 1N6373 - 1N6381 Series (ICTE-5 - ICTE-36)
Dimensions
ORDERING INFORMATION
Device
B
D
1N63xx, G
1N63xxRL4, G
ICTE-xx, G
ICTE-xxRL4, G
A
Package
Axial Lead
(Pb-Free)
Axial Lead
(Pb-Free)
Axial Lead
(Pb-Free)
Axial Lead
(Pb-Free)
Shipping†
500 Units/Box
1500/Tape & Reel
l
500 Units/Box
1500/Tape & Reel
P
P
K
K
Flow/Wave Soldering (Solder Dipping)
Peak Temperature :
260
O
C
1/16” from the case for 10
seconds
Dim
A
B
D
Inches
Min
0.335
0.189
0.038
1.000
---
Max
0.374
0.209
0.042
---
0.050
Millimeters
Min
8.50
4.80
0.96
25.40
---
Max
9.50
5.30
1.06
---
1.27
Dipping Time :
Physical Specifications
Case
Leads
Finish
Mounting Position
Void-free, transfer-molded, thermosetting
plastic
Modified L−Bend providing more contact
area to bond pads
All external surfaces are corrosion
resistant and leads are readily solderable
Any
K
P
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. LEAD FINISH AND DIAMETER UNCONTROLLED IN DIMENSION P
.
4. 041A-01 THRU 041A-03 OBSOLETE, NEW STANDARD 041A-04.
Part Marking System
A
1N
63xx
YYWW
A
ICTE
-xx
YYWW
A=
Assembly Location
1N63xx=
JEDEC Device Code
ICTE-xx = ON Device Code
YY
= Year
WW
= Work Week
= Pb-Free Package
(Note: Microdot may be in either location)
Disclaimer Notice
-
Information furnished is believed to be accurate and
reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are
not designed for, and may not be used in, all applications. Read complete
Disclaimer Notice at:
www.littelfuse.com/disclaimer-electronics.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 09/14/17
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