SMA6TY Automotive 600 W Transil™ in SMA package Features −

SMA6TY Automotive 600 W Transil™ in SMA package Features −
SMA6TY
Automotive 600 W Transil™ in SMA package
Datasheet − production data
Features
■
Peak pulse power:
– 600 W (10/1000 µs)
– 4 kW (8/20 µs)
■
Stand off voltage range: from 5 V to 70 V
■
Unidirectional and bidirectional types
■
Low leakage current:
– 0.2 µA at 25 °C
– 1 µA at 85 °C
■
Operating Tj max: 150 °C
■
JEDEC registered package outline
■
Resin meets UL 94, V0
■
AEC-Q101 qualified
A
Bidirectional
SMA
(JEDEC DO-214AC)
Unidirectional
Description
Complies with the following standards
■
ISO 10605, C = 150 pF, R = 330 Ω:
– 30 kV (air discharge)
– 30 kV (contact discharge)
■
ISO 10605, C = 330 pF, R = 330 Ω:
– 30 kV (air discharge)
– 30 kV (contact discharge)
■
ISO 7637-2(a)
– Pulse 1: VS = -100 V
– Pulse 2a: VS = +50 V
– Pulse 3a: VS = -150 V
– Pulse 3b: VS = +100 V
This is information on a product in full production.
The SMA6TY Transil series has been designed to
protect sensitive automotive circuits against
surges defined in ISO 7637-2 and against
electrostatic discharges according to ISO 10605.
The planar technology makes this device
compatible with high-end circuits where low
leakage current and high junction temperature are
required to provide reliability and stability over
time. SMA6TY are packaged in SMA (SMA
footprint in accordance with IPC 7531 standard).
a. Not applicable to parts with stand-off voltage lower
than the average battery voltage (13.5 V)
March 2012
K
TM: Transil is a trademark of STMicroelectronics
Doc ID 17869 Rev 3
1/11
www.st.com
11
Characteristics
SMA6TY
1
Characteristics
Table 1.
Absolute maximum ratings (Tamb = 25 °C)
Symbol
VPP
PPP
Tj
Tstg
TL
Parameter
Peak pulse voltage
Value
ISO 10605 (C = 330 pF, R = 330 Ω):
Contact discharge
Air discharge
ISO 10605 (C = 150 pF, R = 330 Ω):
Contact discharge
Air discharge
Peak pulse power dissipation(1)
Unit
30
30
kV
30
30
Tj initial = Tamb
600
W
Operating junction temperature range
-40 to 150
Storage temperature range
-65 to 150
Maximum lead temperature for soldering during 10 s.
°C
260
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Figure 1.
Electrical characteristics - definitions
Symbol
VRM
VBR
VCL
IRM
IPP
αT
VF
RD
Figure 2.
Parameter
Stand-off voltage
Breakdown voltage
Clamping voltage
Leakage current @ VRM
Peak pulse current
Voltage temperature coefficient
Forward voltage drop
Dynamic resistance
Unidirectional
I
I
IF
IPP
VF
VCL VBR VRM
V
V
IRM
IR
IPP
IPP
Repetitive pulse current
tr = rise time (µs)
tp = pulse duration time (µs)
2/11
IR
IRM
IRM
IR
Pulse definition for electrical characteristics
tr
VCLVBR VRM
tp
Doc ID 17869 Rev 3
VRMVBR VCL
Bidirectional
SMA6TY
Table 2.
Characteristics
Electrical characteristics, parameter values (Tamb = 25 °C)
IRM max @ VRM
VBR @ IR
RD (2)
VCL @ IPP
V @ IPP RD (2)
10/1000 CL
10/1000 µs
8/20 µs 8/20 µs
µs
(1)
αT
Order code
25 °C 85 °C
µA
min. typ. max.
V
V
max
max
mA V(3)
A(4)
Ω
68.0
0.029
9.1
max
Ω
10-4/ °C
13.4 298
0.021
5.7
V(3)
A(4)
SMA6T6V7AY/CAY
20
50
5.00 6.40 6.70
7.1
10
SMA6T7V6AY/CAY
20
50
6.50 7.20 7.60
8.0
10 10.2 56.0
0.04
14.5 276
0.024
6.1
SMA6T10AY/CAY
20
50
8.60 9.50 10.0
10.5
1
14.5 41.0
0.098
18.6 215
0.038
7.3
SMA6T12AY/CAY
0.2
1
10.2 11.4 12.0
12.6
1
16.7 36.0
0.114
21.7 184
0.049
7.8
SMA6T14AY/CAY
0.2
1
12.0 13.3 14.0
14.7
1
18.8 31.0
0.133
23.5 157
0.056
8.3
SMA6T15AY/CAY
0.2
1
12.8 14.3 15.0
15.8
1
21.2 28.0
0.193
27.2 147
0.078
8.4
SMA6T18AY/CAY
0.2
1
15.3 17.1 18.0
18.9
1
25.2 24.0
0.263
32.3 123
0.111
8.8
SMA6T22AY/CAY
0.2
1
18.8 20.9 22.0
23.1
1
30.6 20.0
0.375
39.3 102
0.159
9.2
SMA6T24AY/CAY
0.2
1
20.5 22.8 24.0
25.2
1
33.2 18.0
0.444
42.8 93.0 0.189
9.4
SMA6T28AY/CAY
0.2
1
24.0 26.7 28.1
29.5
1
37.8 16.0
0.516
44.3 80.0 0.184
9.6
SMA6T30AY/CAY
0.2
1
25.6 28.5 30.0
31.5
1
41.5 14.5
0.690
53.5 75.0 0.293
9.7
SMA6T33AY/CAY
0.2
1
28.2 31.4 33.0
34.7
1
45.7 13.1
0.84
59.0 68.0 0.357
9.8
SMA6T39AY/CAY
0.2
1
33.3 37.1 39.0
41.0
1
53.9 11.1
1.16
69.7 57.0 0.504
10
SMA6T47AY/CAY
0.2
1
40.0 44.4 46.7
49.1
1
62.8 9.70
1.42
73.6 48.0 0.511
10.1
SMA6T56AY/CAY
0.2
1
47.6 53.2 56.0
58.8
1
76.6 7.80
2.28
100 40.0 1.030
10.0
SMA6T68AY/CAY
0.2
1
58.1 64.6 68.0
71.4
1
92.0 6.50
3.17
121 33.0
1.50
10.4
SMA6T82AY/CAY
0.2
1
70.0 77.8 81.9
86.0
1
110 5.50
4.38
120 27.0
1.27
10.5
1. Pulse test: tp < 50 ms
2. To calculate maximum clamping voltage at another 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 17869 Rev 3
3/11
Characteristics
Figure 3.
110
SMA6TY
Relative variation of peak power
versus initial junction temperature
%
Figure 4.
10.0
100
Peak pulse power versus
exponential pulse duration
PPP(kW)
Tj initial = 25 °C
10/1000 µs
90
80
70
60
1.0
50
40
30
20
tP(ms)
10
Tj(°C)
0
0
25
Figure 5.
50
75
100
125
150
0.1
0.01
175
0.10
1.00
10.00
Clamping voltage versus peak pulse current exponential waveform (maximum values)
IPP (A)
1000.0
T j initial=25 °C
100.0
8/20 µs
10.0
SMA6T82AY/CAY
1.0
SMA6T30AY/CAY
SMA6T6V7AY/CAY
10/1000 µs
V CL(V)
0.1
1
4/11
10
Doc ID 17869 Rev 3
100
1000
SMA6TY
Figure 6.
Characteristics
ISO 7637-2 pulse 1 response (VS = -100 V)
Voltage
10
0
-10
-20
-30
SMA6T39AY
-40
SMA6T39CAY
-50
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
Time(ms)
5
Current
0
SMA6T39AY
-5
SMA6T39CAY
-10
-15
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
Time(ms)
Figure 7.
ISO 7637-2 pulse 2a response (VS = 50 V)
50
Voltage
40
SMA6T39AY
30
SMA6T39CAY
20
10
0
-20
0.0
20
40
60
80
100
Time(µs)
4
Current
SMA6T39AY
0
SMA6T39CAY
-4
-20
0.0
20
40
60
80
100
Time(µs)
Doc ID 17869 Rev 3
5/11
Characteristics
Figure 8.
SMA6TY
ISO 7637-2 pulse 3a response (VS = -150 V)
30
Voltage
20
10
0
SMA6T39AY
-10
SMA6T39CAY
-20
-30
-40
-50
-60
-0.5
0.0
0.5
1.0
1.5
2.0
Time(µs)
0.5
Current
0
SMA6T39AY
-0.5
SMA6T39CAY
-1
-1.5
-2
Time(µs)
Figure 9.
ISO 7637-2 pulse 3b response (VS = 100 V)
50
Voltage
40
SMA6T39AY
30
SMA6T39CAY
20
10
0
-0.2
0.8
1.8
Time(µs)
1.2
Current
0.8
SMA6T39AY
0.4
SMA6T39CAY
0
-0.4
-0.2
Note:
6/11
0.8
Time(µs)
1.8
ISO7637-2 pulses responses are not applicable for products with a stand off voltage lower
than the average battery voltage (13.5 V).
Doc ID 17869 Rev 3
SMA6TY
Characteristics
Figure 10. Junction capacitance versus reverse Figure 11. Junction capacitance versus
applied voltage for unidirectional
reverse applied voltage for
types (typical values)
bidirectional types (typical values)
C(pF)
10000
C(pF)
10000
F=1 MHz
VOSC=30 mVRMS
Tj=25 °C
F=1 MHz
VOSC=30 mVRMS
Tj=25 °C
SMA6T6V7AY
1000
SMA6T6V7CAY
1000
SMA6T30AY
100
100
SMA6T30CAY
SMA6T82AY
SMA6T82CAY
VR(V)
10
10
1
10
100
1000
Figure 12. Relative variation of thermal
impedance, junction to ambient,
versus pulse duration
1
10
VR(V)
100
1000
Figure 13. Thermal resistance junction to
ambient versus copper surface
under each lead
Zth (j-a)/Rth (j-a)
130
1.00
Printed circuit board FR4,
copper surface = 1 cm2
Rth(j-a) (°C/W)
printed circuit board FR4,
copper thickness = 35 µm
120
110
100
90
0.10
80
70
60
50
tp s
0.01
1.E-02
1.E-01
1.E+00
1.E+01
1.E+02
1.E+03
Figure 14. Leakage current versus junction
temperature (typical values)
1.E+04
SCu(cm²)
40
IR(nA)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Figure 15. Peak forward voltage drop versus
peak forward current
(typical values)
1.E+01
IFM(A)
VR=VRM
1.E+03
Tj=125 °C
VRM ≤ 10 V
1.E+00
Tj=25 °C
1.E+02
1.E-01
1.E+01
VRM > 10 V
VFM(V)
Tj(°C)
1.E-02
1.E+00
25
50
75
100
125
150
0.4
Doc ID 17869 Rev 3
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
7/11
Application and design guidelines
2
SMA6TY
Application and design guidelines
More information is available in the ST Application note AN2689 “Protection of automotive
electronics from electrical hazards, guidelines for design and component selection”.
3
Ordering information scheme
Figure 16. Ordering information scheme
SM
Surface mount
Peak pulse power
A6 = 600 W Transil in SMA
Breakdown voltage
30 = 30 V
Types
CA = Bidirectional
A = Unidirectional
Automotive grade
8/11
Doc ID 17869 Rev 3
A6 T XX
CA Y
SMA6TY
4
Packaging information
Packaging information
●
Case: JEDEC DO-214AA 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 meets 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 3.
SMA dimensions
Dimensions
Ref.
Millimeters
Inches
E1
D
Min.
Max.
Min.
Max.
A1
1.90
2.45
0.075
0.094
A2
0.05
0.20
0.002
0.008
b
1.25
1.65
0.049
0.065
c
0.15
0.40
0.006
0.016
D
2.25
2.90
0.089
0.114
E
4.80
5.35
0.189
0.211
E1
3.95
4.60
0.156
0.181
L
0.75
1.50
0.030
0.059
E
A1
A2
C
L
b
Figure 17. SMA footprint dimensions in
mm (inches)
1.4
2.63
1.4
(0.055)
(0.104)
(0.055)
Figure 18. Marking layout(1)
Cathode bar (unidirectional devices only )
1.64
(0.064)
5.43
x x x x
z y ww
ECOPACK compliance
XXXX: Marking
Z: Manufacturing location
Y: Year
WW: Week
(0.214)
1. Marking layout can vary according to assembly location.
Doc ID 17869 Rev 3
9/11
Ordering information
Table 4.
5
SMA6TY
Marking
Order code
Marking
Order code
Marking
SMA6T6V7AY
6UAY
SMA6T6V7CAY
6BAY
SMA6T7V6AY
6UCY
SMA6T7V6CAY
6BCY
SMA6T10AY
6UDY
SMA6T10CAY
6BDY
SMA6T12AY
6UEY
SMA6T12CAY
6BEY
SMA6T14AY
6UFY
SMA6T14CAY
6BFY
SMA6T15AY
6UGY
SMA6T15CAY
6BGY
SMA6T18AY
6UHY
SMA6T18CAY
6BHY
SMA6T22AY
6UJY
SMA6T22CAY
6BJY
SMA6T24AY
6UKY
SMA6T24CAY
6BKY
SMA6T28AY
6UMY
SMA6T28CAY
6BMY
SMA6T30AY
6UNY
SMA6T30CAY
6BNY
SMA6T33AY
6UOY
SMA6T33CAY
6BOY
SMA6T39AY
6UQY
SMA6T39CAY
6BQY
SMA6T47AY
6URY
SMA6T47CAY
6BRY
SMA6T56AY
6USY
SMA6T56CAY
6BSY
SMA6T68AY
6UTY
SMA6T68CAY
6BTY
SMA6T82AY
6UUY
SMA6T82CAY
6BUY
Ordering information
Table 5.
Ordering information
Order code
Marking
Package
Weight
Base qty
Delivery mode
SMA6TxxxAY/CAY(1)
See Table 4
SMA
0.072 g
5000
Tape and reel
1. Where xxx is nominal value of VBR and A or CA indicates unidirectional or bidirectional version. See
Table 2 for list of available devices and their order codes
6
Revision history
Table 6.
10/11
Document revision history
Date
Revision
Changes
30-Aug-2010
1
Initial release.
17-Oct-2011
2
Deleted old Table 2. Thermal parameter. Updated Table 2 and order
codes in Table 2 and Table 4. Updated Figure 5, 10 and 11.
27-Mar-2012
3
Added footnote on page 1.
Doc ID 17869 Rev 3
SMA6TY
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