SMA6J
High junction temperature TransilTM
Features
Peak pulse power: 600 W (10/1000 s) 4 kW (8/20 s) Stand off voltage range: from 5 V to 188 V Unidirectional and bidirectional types Low clamping voltage versus standard series Low leakage current: 0.2 A at 25 C 1 A at 85 C Operating Tj max: 175 C JEDEC registered package outline
A
K
Unidirectional Bidirectional
SMA (JEDEC DO-214AC)
Complies with the following standards
IEC 61000-4-2 level 4: 15 kV (air discharge) 8 kV (contact discharge) MIL STD 883G-Method 3015-7: class3B 25 kV (human body model)
Description
The SMA6J Transil series has been designed to protect sensitive equipment against electro-static discharges according to IEC 61000-4-2, MIL STD 883 Method 3015, and electrical over stress such as IEC 61000-4-4 and 5. They are generally for surges below 600 W 10/1000 s. This planar technology makes it compatible with high-end equipment and SMPS where low leakage current and high junction temperature are required to provide reliability and stability over time. Their low clamping voltages provides a better safety margin to protect sensitive circuits with extended life time expectancy. Packaged in SMA, this minimizes PCB space consumption (SMA footprint in accordance with IPC 7531 standard). TM: Transil is a trademark of STMicroelectronics
November 2007
Rev 2
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www.st.com 10
Characteristics
SMA6J
1
Table 1.
Symbol PPP P IFSM Tstg Tj TL
Characteristics
Absolute ratings (Tamb = 25 C)
Parameter Peak pulse power dissipation (1) Power dissipation on infinite heatsink Non repetitive surge peak forward current for unidirectional types Storage temperature range Operating junction temperature range Maximum lead temperature for soldering during 10 s Tj initial = Tamb Tamb = 55 C tp = 10 ms Tj initial = Tamb Value 600 4 60 -65 to +175 -55 to +175 260 Unit W W A C C C
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Table 2.
Symbol Rth (j-l) Rth (j-a)
Thermal resistances
Parameter Junction to leads Junction to ambient on printed circuit on recommended pad layout Value 30 120 Unit C/W C/W
Table 3.
Symbol VRM VBR VCL IRM IPP T VF RD
Electrical characteristics - definitions (Tamb = 25 C)
Parameter Stand-off voltage Breakdown voltage Clamping voltage Leakage current @ VRM Peak pulse current Voltage temperature coefficient Forward voltage drop Dynamic resistance
IPP
Unidirectional
I IF
I IPP
VCL VBR VRM IRM IR
VF
V
VCLVBR VRM
IR IRM IRM IR
V VRMVBR VCL
IPP
Bidirectional
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SMA6J Table 4. Electrical characteristics - values (Tamb = 25 C)
IRM max@VRM Type 25 C 85 C A SMA6J5.0A/CA SMA6J6.0A/CA SMA6J6.5A/CA SMA6J8.5A/CA SMA6J10A/CA SMA6J12A/CA SMA6J13A/CA SMA6J15A/CA SMA6J18A/CA SMA6J20A/CA SMA6J24A/CA SMA6J26A/CA SMA6J28A/CA SMA6J33A/CA SMA6J40A/CA SMA6J48A/CA SMA6J58A/CA SMA6J70A/CA SMA6J85A/CA SMA6J100A/CA SMA6J130A/CA SMA6J154A/CA SMA6J170A/CA SMA6J188A/CA 20 20 20 20 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 0.2 0.2 0.2 0.2 0.2 50 50 50 50 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 V min VBR @IR(1) typ max V mA
Characteristics
VCL @IPP RD(2) VCL @IPP RD(2) 10/1000 s 10/1000 s 8/20 s 8/20 s max V 9.1 9.5 A 68 61 56 0.029 0.034 0.040 0.070 0.093 0.133 0.154 0.206 0.288 0.354 0.516 0.600 0.697 0.963 1.42 2.04 2.97 4.38 6.45 9.03 14.9 22.1 30.0 48.5 max V A 0.021 0.022 0.024 0.041 0.040 0.056 0.054 0.075 0.108 0.132 0.184 0.213 0.253 0.356 0.511 0.736 0.863 1.27 1.85 2.58 4.24 6.00 7.39 8.97
T(3) max 10-4/C 5.7 5.9 6.1 7.3 7.8 8.3 8.4 8.8 9.2 9.4 9.6 9.7 9.8 10.0 10.1 10.3 10.4 10.5 10.6 10.7 10.8 10.8 10.8 10.8
5.0 6.40 6.74 7.07 10 6.0 6.70 7.05 7.41 10
13.4 298 13.7 290 14.5 276 18.7 205 19.6 184 23.5 157 23.9 147 27.7 123 33.2 102 36.8 93 44.3 80 47.9 75 51.6 68 60.8 57 73.6 48 88.4 40 100 120 33 27
6.5 7.20 7.58 7.96 10 10.2 8.5 9.4 9.9 10.4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
13.3 41.7 15.7 18.8 20.4 37 31 29
10 11.1 11.7 12.3 12 13.3 14.0 14.7 13 14.4 15.2 15.9 15 16.7 17.6 18.5 18 20.0 21.1 22.1 20 22.2 23.4 24.5 24 26.7 28.1 29.5 26 28.9 30.4 31.9 28 31.1 32.7 34.4 33 36.7 38.6 40.6 40 44.4 46.7 49.1 48 53.3 56.1 58.9 58 64.4 67.8 71.2 70 77.8 81.9 86.0 85 94 99 117 152 180 199 220 104 123 159 189 209 231
23.6 25.1 28.3 21.5 31.4 19.4 37.8 16
40.9 14.9 44.0 13.8 51.9 11.8 62.8 75.4 91.1 110 134 157 204 242 275 328 9.7 8.1 6.7 5.5 4.6 3.8 3 2.4 2.2 2
146 22.5 172 223 19 15
100 111 130 144 154 171 170 189 188 209
265 12.6 292 11.3 323 10.3
1. Pulse test: tp <50ms. 2. To calculate maximum clamping voltage at other surge currents, use the following formula VCLmax = R D x I PP + V B R m a x 3. To calculate VBR versus junction temperature, use the following formula: VBR @ Tj = VBR @ 25 C x (1 + T x (Tj - 25))
50 %IPP 100
Repetitive peak pulse current tr = rise time (s) tp = pulse duration time (s)
0 tr tp
t
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Characteristics
SMA6J
Figure 1.
Peak power dissipation versus initial junction temperature
Figure 2.
Peak pulse power versus exponential pulse duration (Tj initial = 25 C)
%
110 100 90 80 70 60 1.0 50 40 30 20 10 0 0 25 50 75 100 125 150 175 200 10.0
PPP(kW)
Tj initial=25C
Tj(C)
0.1 0.01 0.10
tp(ms)
1.00 10.00
Figure 3.
Clamping voltage versus peak pulse current (exponential waveform, maximum values)
IPP(A) 1.E+03
Tj = 25C SMA6J5.0A/CA SMA6J10A/CA SMA6J15A/CA tp = 20 s SMA6J26A/CA SMA6J48A/CA SMA6J100A/CA SMA6J188A/CA
1.E+02
1.E+01
1.E+00
tp = 1 ms
VCL(V) 1.E-01 1 10 100 1000
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SMA6J
Characteristics
Figure 4.
Junction capacitance versus reverse applied voltage (typical values) (SMA6JxxA)
F=1MHz VOSC=30mVRMS Tj=25C SMA6J5.0A
Figure 5.
Junction capacitance versus reverse applied voltage (typical values) (SMA6JxxCA)
F=1MHz VOSC=30mVRMS Tj=25C
C(pF)
10000 10000
C(pF)
1000
SMA6J5.0CA SMA6J13CA
1000
SMA6J13A
100
SMA6J26A
SMA6J26CA
100
SMA6J58A
SMA6J58CA
10
SMA6J188CA
10 1 10
VR(V)
100
SMA6J188A
1 1000 1 10
VR(V)
100 1000
Figure 6.
Peak forward voltage drop versus peak forward current (typical values)
Figure 7.
Relative variation of thermal impedance junction to ambient versus pulse duration (printed ciruit board FR4, SCu = 1 cm2)
IFM(A)
1.E+01
Zth(j-a)/Rth(j-a)
1.00
Tj=125C
1.E+00
Tj=25C
0.10
1.E-01
VFM(V)
1.E-02 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
tp(S)
0.01 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
Figure 8.
Thermal resistance junction to ambient versus copper surface under each lead (printed circuit board FR4, eCu = 35 m)
Figure 9.
Leakage current versus junction temperature (typical values)
Rth(j-a)(C/W)
130 120 110 100 90 1.E+02 80 70 60 50 40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 1.E+01 1.E+03 1.E+04
IR(nA)
VR=VRM VBR11.7V
VBR>11.7V
SCU(cm2)
1.E+00 25 50 75
Tj(C)
100 125 150 175
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Ordering information scheme
SMA6J
2
Ordering information scheme
Figure 10. Ordering information scheme
SM
Surface Mount Package A = SMA package Surge rating 6J = 600 W Stand off voltage example - 85 = 85 V Type A = Unidirectional CA = Bidirectional Delivery mode TR = Tape and reel
A 6J
xx
CA
-
TR
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SMA6J
Package information
3
Package information
Case: JEDEC DO-214AC molded plastic over Planar junction Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: For unidirectional types the band indicates cathode. Flammability: Epoxy is rated UL94V-0 RoHS package
In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. Table 5. SMA dimensions
Dimensions Ref.
E1
Millimeters Min. Max. 2.03 0.20 1.65 0.40 2.90 5.35 4.60 1.50
Inches Min. 0.075 0.002 0.049 0.006 0.089 0.189 0.156 0.030 Max. 0.08 0.008 0.065 0.016 0.114 0.211 0.181 0.059
D
A1 A2 b
1.90 0.05 1.25 0.15 2.25 4.80 3.95 0.75
E
c
A1
D E
b
C L
A2
E1 L
Figure 11. SMA footprint dimensions
1.40 (0.055) 2.63 (0.104) 1.40 (0.055)
Figure 12. Marking information
Cathode bar (unidirectional de vices onl y )
(0.065) 1.64
e3
5.43 (0.214)
xxx z y ww
e3: ECOPACK ( Leadfree) XXX: Marking Z: Man ufacturing location Y: Year WW: week
milimeters (inches)
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Package information Table 6. Marking
Type SMA6J5.0A-TR SMA6J6.0A-TR SMA6J6.5A-TR SMA6J8.5A-TR SMA6J10A-TR SMA6J12A-TR SMA6J13A-TR SMA6J15A-TR SMA6J18A-TR SMA6J20A-TR SMA6J24A-TR SMA6J26A-TR SMA6J28A-TR SMA6J33A-TR SMA6J40A-TR SMA6J48A-TR SMA6J58A-TR SMA6J70A-TR SMA6J85A-TR SMA6J100A-TR SMA6J130A-TR SMA6J154A-TR SMA6J170A-TR SMA6J188A-TR Marking 6UA 6UB 6UC 6UD 6UE 6UF 6UG 6UH 6UJ 6UK 6UM 6UN 6UO 6UQ 6UR 6US 6UT 6UU 6UV 6UW 6UX 6UY 6UZ 6UAA Type SMA6J5.0CA-TR SMA6J6.0CA-TR SMA6J6.5CA-TR SMA6J8.5CA-TR SMA6J10CA-TR SMA6J12CA-TR SMA6J13CA-TR SMA6J15CA-TR SMA6J18CA-TR SMA6J20CA-TR SMA6J24CA-TR SMA6J26CA-TR SMA6J28CA-TR SMA6J33CA-TR SMA6J40CA-TR SMA6J48CA-TR SMA6J58CA-TR SMA6J70CA-TR SMA6J85CA-TR SMA6J100CA-TR SMA6J130CA-TR SMA6J154CA-TR SMA6J170CA-TR SMA6J188CA-TR Marking 6BA 6BB 6BC 6BD 6BE 6BF 6BG 6BH 6BJ 6BK 6BM 6BN 6BO 6BQ 6BR 6BS 6BT 6BU 6BV 6BW 6BX 6BY 6BZ 6BAA
SMA6J
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SMA6J
Ordering information
4
Ordering information
Table 7. Ordering information
Marking See Table 6. See Table 6. Package SMA SMA Weight 0.068 g 0.068 g Base qty 5000 5000 Delivery mode Tape and reel Tape and reel
Order code(1) SMA6JxxA-TR SMA6JxxCA-TR
1. xx indicates stand-off voltage
5
Revision history
Table 8.
Date 21-Feb-2007 07-Nov-2007
Document revision history
Revision 1 2 First issue. Updated Description. Improved readability of Ordering information scheme. Reformatted to current standards. Changes
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SMA6J
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