SM15T68AY/CAY [STMICROELECTRONICS]
Automotive 1500 W Transil; 汽车1500 W的Transil
| 型号： | SM15T68AY/CAY |
| 厂家： | 
ST |
| 描述： | Automotive 1500 W Transil |
| 文件： | 总12页 (文件大小：171K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SM15TY
Automotive 1500 W Transil™
Features
A
■ peak pulse power:
– 1500 W (10/1000 µs)
– 10 kW (8/20 µs)
■ stand-off voltage range: from 15 V to 58 V
■ unidirectional and bidirectional types
K
Unidirectional
Bidirectional
■ low leakage current:
– 0.2 µA at 25 °C
– 1 µA at 85 °C
SMC
(JEDEC DO-214AB)
■ operating T
: 150 °C
j max
■ high power capability at T
:
jmax
– 1250 W (10/1000 µs)
Description
■ JEDEC registered package outline
■ resin meets UL 94, V0
■ AEC qualified
The SM15TY Transil series has been designed to
protect sensitive automotive circuits against
surges defined in ISO7637-2 and against
electrostatic discharges according to IEC 61000-
4-2 and ISO10605.
Complies with the following standards
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. SM15TY are
packaged in SMC (SMC footprint in accordance
with IPC 7531 standard).
■ IEC 61000-4-2 level 4:
– 15 kV (air discharge)
– 8 kV (contact discharge)
■ ISO10605 - C = 330 pF, R = 330 Ω:
– 15 kV (air discharge)
– 8 kV (contact discharge)
■ ISO 7637-2 (for pulse 1 and 2a, applicable only
to parts with stand-off voltage (V ) lower than
RM
the average battery voltage: 13.5 V):
– Pulse 1: V = -100 V
S
– Pulse 2a: V = +50 V
S
– Pulse 3a: V = -150 V
S
– Pulse 3b: V = +100 V
S
TM: Transil is a trademark of STMicroelectronics
September 2010
Doc ID 17865 Rev 1
1/12
www.st.com
12
Characteristics
SM15TY
1
Characteristics
Table 1.
Symbol
Absolute maximum ratings (T
= 25 °C)
amb
Parameter
Value
Unit
ISO10605 (C = 330 pF, R = 330 Ω)
contact discharge
air discharge
30
30
VPP
Peak pulse voltage
kV
IEC61000-4-2
contact discharge
air discharge
30
30
PPP
Tstg
Tj
Peak pulse power dissipation(1)
Storage temperature range
Tj initial = Tamb
1500
-65 to + 150
-40 to + 150
260
W
°C
°C
°C
Operating junction temperature range
TL
Maximum lead temperature for soldering during 10 s.
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Table 2.
Symbol
Thermal parameter
Parameter
Value
Unit
Rth(j-l)
Junction to leads
15
90
°C/W
°C/W
Rth(j-a)
Junction to ambient on printed circuit on recommended pad layout
Figure 1.
Electrical characteristics - definitions
I
I
Symbol Parameter
IPP
IF
Unidirectional
VCLVBR VRM
VRM
Stand-off voltage
Breakdown voltage
Clamping voltage
Leakage current @ VRM
Peak pulse current
Voltage temperature coefficient
Forward voltage drop
Dynamic resistance
VBR
VCL
IRM
IPP
αT
IR
IRM
VF
V
VCLVBR VRM
V
IRM
IR
IRM
IR
VRMVBR VCL
VF
Bidirectional
RD
IPP
IPP
Figure 2.
Pulse definition for electrical characteristics
%I
PP
100
Pulse waveform
tr = rise time (µs)
tp = pulse duration time (µs)
50
0
t
t
t
r
p
2/12
Doc ID 17865 Rev 1
SM15TY
Table 3.
Characteristics
Electrical characteristics, typical values unless otherwise stated (T
RD
= 25 °C)
amb
RD
8/20
µs
VCL @IPP
VCL @IPP
8/20 µs
(1)
IRM max@VRM
VBR @IR
10/1000
αT (2)
10/1000 µs
µs
Order code
25 °C 85 °C
min. typ.
V
max.
max.
V(3) A(4)
max.
10-4/
°C
µA
V
mA V(3)
A(4)
Ω
Ω
SM15T18AY/CAY
SM15T22AY/CAY
SM15T24AY/CAY
SM15T27AY/CAY
SM15T30AY/CAY
SM15T33AY/CAY
SM15T36AY/CAY
SM15T39AY/CAY
SM15T47AY/CAY
SM15T68AY/CAY
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1
1
1
1
1
1
1
1
1
1
15.3 17.1 18
18.8 20.9 22
20.5 22.8 24
23.1 25.7 27
25.6 28.5 30
28.2 31.4 33
30.8 34.2 36
33.3 37.1 39
40.2 44.7 47
58.1 64.6 68
1
25.2 59.5
0.106
0.153
0.178
0.228
0.278
0.333
0.403
0.461
0.653
1.26
32.5 308 0.044
39.3 254 0.064
42.8 234 0.075
48.3 207 0.096
8.8
9.2
9.4
9.6
9.7
9.8
9.9
10
1
1
1
1
1
1
1
1
1
30.6
33.2
37.5
41.5
45.7
49.9
53.9
49
45
40
36
33
30
28
53.5 187
59 169
0.12
0.14
0.17
0.2
64.3 156
69.7 143
64.5 23.2
92 16.3
84
119 0.291
83 0.6
10.1
10.4
121
1. Pulse test: tp < 50 ms
2. To calculate maximum clamping voltage at other surge level, use the following formula: VCLmax = VCL - RD x (IPP - IPPappli
where IPPappli is the surge current in the application
)
3. To calculate VBR or VCL versus junction temperature, use the following formulas:
VBR @ TJ = VBR @ 25 °C x (1 + αT x (TJ - 25))
VCL @ TJ = VCL @ 25 °C x (1 + αT x (TJ - 25))
4. Surge capability given for both directions for unidirectional and bidirectional types.
Doc ID 17865 Rev 1
3/12
Characteristics
SM15TY
Figure 3. Peak pulse power dissipation
versus initial junction temperature
(typical values)
Figure 4. Peak pulse power versus
exponential pulse duration
(T initial = 25 °C)
j
PPP(W)
2000
PPP(kW)
100.0
10.0
1.0
10/1000 µs
1500
1000
500
Tj(°C)
175
t
(ms)
p
0
0.1
1.0E-03
0
25
50
75
100
125
150
1.0E-02
1.0E-01
1.0E+00
1.0E+01
Figure 5. Clamping voltage versus peak
pulse current (exponential
Figure 6. Junction capacitance versus
reverse applied voltage for
waveform, maximum values)
unidirectional types (typical values)
C(nF)
IPP(A)
1000.0
10.00
1.00
0.10
F=1 MHz
Vosc=30 mVRMS
Tj=25 °C
T initial=25 °C
j
SM15T22AY/CAY
SM15T30AY/CAY
8/20 µs
100.0
10.0
1.0
10/1000 µs
10 ms
SM15T30AY
SM15T68AY/CAY
SM15T68AY
VCL(V)
1000
VR(V)
0.1
10
100
1
10
100
Figure 7. Junction capacitance versus
reverse applied voltage for
Figure 8. Thermal resistance junction to
ambient versus copper surface
under each lead
bidirectional types (typical values)
C(nF)
Rth(j-a)(°C/W)
100
10.0
F=1 MHz
Printed circuit board FR4,
copper thickness = 35 µm
90
80
70
60
50
40
30
20
10
0
V
osc=30 mVRMS
Tj=25 °C
SM15T30CAY
SM15T68CAY
1.0
VR(V)
SCu(cm²)
4.0 4.5 5.0
0.1
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1
10
100
4/12
Doc ID 17865 Rev 1
SM15TY
Figure 9.
Characteristics
Leakage current versus junction
temperature (typical values)
Figure 10. Peak forward voltage drop versus
peak forward current
(typical values)
IR(nA)
IFM(A)
100.0
1.0E+04
1.0E+03
1.0E+02
1.0E+01
1.0E+00
10.0
T = 125 °C
j
T = 25 °C
j
1.0
0.1
Tj(°C)
VFM(V)
2.5
25
50
75
100
125
150
0.0
0.5
1.0
1.5
2.0
Figure 11. ISO7637-2 pulse 1 response (V = -100 V)
S
Voltage (V)
Voltage
10
0
-10
-20
-30
SM15T39AY
-40
-50
SM15T39CAY
2.5
1.0
-0.5
0.0
0.5
1.5
2.0
Time (ms)
Current (A)
5
0
Current
SM15T39AY
-5
-10
-15
SM15T39CAY
1.0
-0.5
0.0
0.5
1.5
2.0
2.5
Time (ms)
Doc ID 17865 Rev 1
5/12
Characteristics
SM15TY
Figure 12. ISO7637-2 pulse 2 response (V = 50 V)
S
Voltage (V)
50
Voltage
40
30
20
10
0
SM15T39AY
SM15T39CAY
40
-20
0
20
60
80
100
Time (µs)
Current (A)
12
Current
8
4
SM15T39AY
SM15T39CAY
0
-4
40
-20
0
20
60
80
100
Time (µs)
Figure 13. ISO7637-2 pulse 3a response (V = -150 V)
S
Voltage (V)
Voltage
20
0.0
SM15T39AY
SM15T39CAY
-20
-40
-60
1.0
-0.5
0.0
0.5
1.5
2.0
Time (µs)
Current (A)
1
Current
0.0
SM15T39AY
SM15T39CAY
-1
-2
0.0
-0.2
0.8
1.8
Time (µs)
0.0
0.0
6/12
Doc ID 17865 Rev 1
SM15TY
Characteristics
Figure 14. ISO7637-2 pulse 3b response (V = 100 V)
S
Voltage (V)
50
Voltage
40
SM15T39AY
30
20
SM15T39CAY
10
0
-0.2
0.8
Time (µs)
1.8
Current (A)
1.2
Current
0.8
0.4
SM15T39AY
SM15T39CAY
0
-0.4
-0.2
0.8
1.8
Time (µs)
Doc ID 17865 Rev 1
7/12
Application and design guidelines
SM15TY
2
Application and design guidelines
More information is available in the Application note AN2689 “Protection of automotive
electronics from electrical hazards, guidelines for design and component selection”.
3
Ordering information scheme
Figure 15. Ordering information scheme
SM 15T
XX CA
Y
Surface mount
Surge rating
15 = 1500 W Transil in SMC
Breakdown voltage
Types
CA = Bidirectional
A = Unidirectional
Automotive grade
8/12
Doc ID 17865 Rev 1
SM15TY
Package information
4
Package information
●
●
●
●
●
Case: JEDEC DO-214AB molded plastic over planar junction
Terminals: solder plated, solderable as per MIL-STD-750, Method 2026
Polarity: for unidirectional types the band indicates cathode
Flammability: epoxy is rated UL 94, V0
RoHS package
In order to meet environmental requirements, ST offers these devices in different grades of
®
®
ECOPACK packages, depending on their level of environmental compliance. ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
®
ECOPACK is an ST trademark.
Table 4.
SMC dimensions
Dimensions
Millimeters
Min. Max.
Ref.
Inches
Min. Max.
E1
A1
A2
b
1.90
0.05
2.90
0.15
5.55
7.75
6.60
4.40
0.75
2.45
0.20
3.20
0.40
6.25
8.15
7.15
4.70
1.50
0.075
0.002
0.114
0.006
0.218
0.305
0.260
0.173
0.030
0.096
0.008
0.126
0.016
0.246
0.321
0.281
0.185
0.059
D
c
E
D
A1
E
C
A2
E1
E2
L
E2
L
b
(1)
Figure 16. SMC footprint dimensions in Figure 17. Marking layout
mm (inches)
1.54
5.11
1.54
devices only)
unidirectional
Cathode bar (
(0.061)
(0.201)
(0.061)
ECOPACK compliance
XXX: Marking
Z: Manufacturing location
Y: Year
3.14
(0.124)
x x x
z y w w
WW: week
8.19
(0.322)
1. Marking layout can vary according to assembly location.
Doc ID 17865 Rev 1
9/12
Package information
Table 5.
SM15TY
Marking
Order code
Marking
Order code
SM15T18CAY
Marking
SM15T18AY
SM15T22AY
SM15T24AY
SM15T27AY
SM15T30AY
SM15T33AY
SM15T36AY
SM15T39AY
SM15T47AY
SM15T68AY
MEEY
MEKY
MEMY
MEPY
MERY
METY
MEVY
MEXY
MFAY
MFPY
BEEY
BEKY
BEMY
BEPY
BERY
BETY
BEVY
BEXY
BFAY
BFPY
SM15T22CAY
SM15T24CAY
SM15T27CAY
SM15T30CAY
SM15T33CAY
SM15T36CAY
SM15T39CAY
SM15T47CAY
SM15T68CAY
10/12
Doc ID 17865 Rev 1
SM15TY
Ordering information
5
Ordering information
Table 6.
Order code
SM15TxxxAY/CAY(1) See Table 5 on page 10
Ordering information
Marking
Package Weight Base qty Delivery mode
SMC
0.25 g
2500
Tape and reel
1. Where xxx is nominal value of VBR and A or CA indicates unidirectional or bidirectional version. See
Table 3 for list of available devices and their order codes
6
Revision history
Table 7.
Date
15-Sep-2010
Document revision history
Revision
Description of changes
1
Initial release.
Doc ID 17865 Rev 1
11/12
SM15TY
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Doc ID 17865 Rev 1
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