SM30TY
Automotive 3000 W Transil™
Datasheet
−
production data
Description
A
The SM30TY Transil series has been designed to
protect automotive sensitive circuits against
surges defined in ISO 7637-2 and against
electrostatic discharges according to ISO 10605.
K
Unidirectional
Bidirectional
SMC
(JEDEC DO-214AB)
The planar technology makes it compatible with
high-end circuits where low leakage current and
high junction temperature are required to provide
reliability and stability over time. SM30TY are
packaged in SMC (SMC footprint in accordance
with IPC 7531 standard).
Features
•
Peak pulse power:
– 3000 W (10/1000 µs)
– Up to 36 kW (8/20 µs)
•
Stand-off voltage range: from 5 V to 48 V
•
Unidirectional and bidirectional types
•
Operating Tj max: 175 °C
•
JEDEC registered package outline
•
Resin meets UL 94, V0
•
AEC-Q101 qualified
Complies with the following standards
•
ISO 10605 - C = 150 pF, R = 330
Ω
exceeds
level 4
– 30 kV (air discharge)
– 30 kV (contact discharge)
•
ISO 10605 - C = 330 pF, R = 330
Ω
exceeds
level 4
– 30 kV (air discharge)
– 30 kV (contact discharge)
•
ISO 7637-2:
– Pulse 1: Vs = -150 V
– Pulse 2a: Vs = +112 V
– Pulse 3a: V
S
= -220 V
– Pulse 3b: V
S
= +150 V
TM:
Transil is a trademark of STMicroelectronics
July 2015
This is information on a product in full production.
DocID022065 Rev 6
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www.st.com
Characteristics
SM30TY
1
Characteristics
Table 1. Absolute maximum ratings (T
amb
= 25
°C
)
Symbol
Parameter
ISO10605 (C = 330 pF, R = 330
Ω
)
contact discharge
air discharge
IEC 61000-4-2 /ISO10605 (C = 150 pF, R = 330
Ω
)
contact discharge
air discharge
T
j initial
= T
amb
Value
30
30
30
30
3000
-65 to + 175
-55 to + 175
260
Unit
V
PP
Peak pulse voltage
kV
P
PP
T
stg
T
j
T
L
Peak pulse power dissipation
Storage temperature range
Operating junction temperature range
Maximum lead temperature for soldering during 10 s.
W
°C
°C
°C
Figure 1. Electrical characteristics - definitions
I
I
I
PP
Symbol
V
RM
V
BR
V
CL
I
RM
I
PP
α
T
V
F
R
D
Parameter
Stand-off voltage
Breakdown voltage
Clamping voltage
Leakage current @ V
RM
Peak pulse current
Voltage temperature coefficient
Forward voltage drop
Dynamic resistance
Unidirectional
I
F
V
CL
V
BR
V
RM
I
RM
I
R
V
F
V
V
CL
V
BR
V
RM
I
R
I
RM
I
RM
I
R
V
V
RM
V
BR
V
CL
I
PP
I
PP
Bidirectional
Figure 2. Pulse definition for electrical characteristics
%I
PP
100
50
Pulse waveform
tr = rise time (µs)
tp = pulse duration time (µs)
0
tr
tp
t
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DocID022065 Rev 6
SM30TY
Table 2. Electrical characteristics, parameter values (T
amb
= 25 °C)
I
RM
max
at V
RM
Order code
min
µA
SM30T6.8AY/CAY
SM30T7.5AY/CAY
SM30T10AY/CAY
SM30T12AY/CAY
SM30T15AY/CAY
SM30T18AY/CAY
SM30T19AY/CAY
SM30T21AY/CAY
SM30T23AY/CAY
SM30T26AY/CAY
SM30T28AY/CAY
SM30T30AY/CAY
SM30T33AY/CAY
SM30T35AY/CAY
SM30T39AY/CAY
SM30T42AY/CAY
SM30T47AY/CAY
SM30T56AY/CAY
500
250
10
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
V
5
6.5
8.5
10
13
15
16
18
20
22
24
26
28
30
33
36
40
48
typ
V
6.45 6.80 7.10
7.13 7.50 7.90
9.50 10.0 10.5
11.4 12.0 12.6
14.3 15.0 15.8
16.7 17.6 18.5
17.8 18.7 19.6
20
21.1 22.2
max
mA
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
max
V
(3)
9.20
11.2
14.4
17.0
21.5
A
(4)
327
268
208
176
140
max
V
BR
at I
R(1)
V
CL
at I
PP
R
D
10/1000 µs 10/1000 µs
V
CL
at I
PP
8/20 µs
Characteristics
R
D
8/20
µs
αT
(2)
max
A
(4)
Ω
0.007
0.014
0.021
0.028
0.046
0.055
0.063
0.079
0.097
0.116
0.140
0.164
0.192
0.215
0.261
0.331
0.409
0.542
V
(3)
Ω
0.004
0.004
0.007
0.008
0.012
0.016
0.018
0.023
0.026
0.032
0.033
0.037
0.044
0.051
0.059
0.067
0.079
0.108
10-4/ °C
5.7
6.1
7.3
7.8
8.4
8.8
8.8
9.2
9.4
9.6
9.6
9.7
9.8
9.9
10.0
10.0
10.1
10.3
13.4 1649
14.5 1604
19.5 1387
21.7 1170
27.2
32.5
34.4
39.3
42.8
48.3
50.0
53.5
59.0
64.3
69.7
76.0
84.0
100
993
926
868
800
747
701
660
626
596
569
526
503
469
409
24.4 123.0
26.0 115.4
29.2 102.7
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
76.6
92.6
84.5
77.1
71.3
66.1
62.0
56.3
48.4
43.5
38.0
22.2 23.4 24.6
24.4 25.7 27.0
26.7 28.1 29.5
28.9 30.4 31.9
31.1 32.7 34.3
33.3 35.1 36.9
36.7 38.6 40.5
40.0 42.1 44.2
44.4 46.7 49.0
53.2 56.0 58.8
1. Pulse test: t
p
< 50 ms
2. To calculate V
BR
or V
CL
versus junction temperature, use the following formulas:
V
BR
at T
J
= V
BR
at 25 °C x (1 +
α
T x (T
J
- 25))
V
CL
at T
J
= V
CL
at 25 °C x (1 +
α
T x (T
J
- 25))
3. To calculate maximum clamping voltage at other surge level, use the following formula:
V
CL
max = V
CL
- R
D
x (I
PP
- I
PPappli
) where I
PPappli
is the surge current in the application.
4. Surge capability given for both directions for unidirectional and bidirectional types.
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Characteristics
SM30TY
Figure 3. Peak pulse power dissipation versus Figure 4. Peak pulse power versus exponential
initial junction temperature
pulse duration (T
j
initial = 25 °C)
4000
3500
3000
2500
2000
1500
1000
500
0
0
25
50
75
100
125
150
VBR ≥ 36 V
1.0
100.0
VBR < 36 V
10.0
P
PP
(W)
10/1000 μs
1000.0
P
PP
(kW)
T
j
initial = 25 °C
T
j
(°C)
175
200
0.1
1.E-03
1.E-02
t
P
(
ms
)
1.E-01
1.E+00
1.E+01
1.E+02
Figure 5. Clamping voltage versus peak pulse
current
(exponential waveform, maximum values)
Figure 6. Junction capacitance versus reverse
applied voltage for unidirectional types
Figure 7. Junction capacitance versus reverse
applied voltage for bidirectional types
Figure 8. Leakage current versus junction
temperature
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SM30TY
Characteristics
Figure 9. Peak forward voltage drop versus
peak forward current
100.0
Figure 10. Relative variation of thermal
impedance junction to ambient versus pulse
duration
I
FM
(A)
10.0
T
j
= 150 °C
1.0
T
j
= 25 °C
T
j
= 175 °C
0.1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
V
FM
(V)
1.6
1.8
Figure 11. Thermal resistance junction to ambient versus copper surface under each lead
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