SMBJ5.0A-TR, CA-TR SMBJ188A-TR, CA-TR
TRANSILTM
Features
Peak pulse power: 600 W (10/1000 s) Stand off voltage range: from 5 V to 188 V Uni and bidirectional types Low clamping factor Fast response time JEDEC registered package outline
A
K
Unidirectional Bidirectional
SMB (JEDEC DO-214AA)
Description
The SMBJ series are TRANSILTM diodes designed specifically for protecting sensitive equipment against transient overvoltages. Transil diodes provide high overvoltage protection by clamping action. Their instantaneous response to transient overvoltages makes them particularly suited to protect voltage sensitive devices such as MOS Technology and low voltage supplied IC's. Table 1.
Symbol PPP P IFSM Tstg Tj TL
Order code
Part number SMBJxxxA-TR SMBJxxxCA-TR Marking See pages 2 and 3 See pages 2 and 3
Absolute maximum 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 Maximum junction temperature Maximum lead temperature for soldering during 10 s. Tj initial = Tamb Tamb = 50 C tp = 10 ms Tj initial = Tamb Value 600 5 100 -65 to +175 150 260 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 20 100 Unit C/W C/W
November 2006
Rev 6
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www.st.com 9
Electrical characteristics (Tamb = 25 C)
SMBJ5.0A-TR, CA-TR, SMBJ188A-TR, CA-TR
1
Symbol VRM VBR VCL IRM IPP T VF
Electrical characteristics (Tamb = 25 C)
Parameter Stand-off voltage Breakdown voltage Clamping voltage Leakage current @ VRM Peak pulse current Voltage temperature coefficient Forward voltage drop IRM @VRM max. Mark Bidirectional BUZ BUA SMBJ5.0CA-TR SMBJ6.0CA-TR Mark BBZ BBA BBB BBC BBD BBE BBF BBG CBG BBH BBI CBH BBJ BBK BBL BBM BBN BBN CBJ BBW BBO A V VCL @IPP max. 10/1000 s V 9.2 10.3 11.2 A 68 61 56 VCL @IPP max. 8/20 s V 13.4 13.7 14.5 A 298 290 276 205 184 157 147 123 123 102 93 83 80 75 68 62 57 94 48 40 33 C typ.
(3)
VCL VBR VRM I RM IR VF V I IF
I IPP
VCLVBR VRM
IR IRM IRM IR
V VRMVBR VCL
I PP
Unidirectional
IPP
Bidirectional
Types
VBR @IR min.(1) V 6.4 6.7 7.2 9.4 11.1 13.3 14.4 16.7 17.8 20 22.2 24.4 26.7 28.9 31.1 33.3 36.7 40.0 44.4 53.3 64.4 mA 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
T max.(2) 10-4/ C 5.7 5.9 6.1 7.3 7.8 8.3 8.4 8.8 8.8 9.2 9.4 9.6 9.6 9.7 9.8 9.9 10.0 10.4 10.1 10.3 10.4
Unidirectional SMBJ5.0A-TR SMBJ6.0A-TR SMBJ6.5A-TR SMBJ8.5A-TR SMBJ10A-TR SMBJ12A-TR SMBJ13A-TR SMBJ15A-TR SMBJ16A-TR SMBJ18A-TR SMBJ20A-TR SMBJ22A-TR SMBJ24A-TR SMBJ26A-TR SMBJ28A-TR SMBJ30A-TR SMBJ33A-TR SMBJ36A-TR SMBJ40A-TR SMBJ48A-TR SMBJ58A-TR
pF 4000 3850 3700 2800 2300 2025 1900 1600 1600 1350 1250 1150 1112 1075 1000 950 900 850 800 700 625
800 5.0 800 6.0 500 6.5 5 5 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 8.5 10 12 13 15 16 18 20 22 24 26 28 30 33 36 40 48 58
BUB SMBJ6.5CA-TR BUC SMBJ8.5CA-TR BUD SMBJ10CA-TR BUE SMBJ12CA-TR BUF SMBJ13CA-TR
14.4 41.7 19.5 17 19.9 21.5 37 31 29 21.7 25.3 27.2
BUG SMBJ15CA-TR CUG SMBJ16CA-TR BUH SMBJ18CA-TR BUI BVA BUJ SMBJ20CA-TR SMBJ22CA-TR SMBJ24CA-TR
24.4 25.1 32.5 26 23.1 32.5
29.2 21.5 39.3 32.4 19.4 42.8 35.5 17.7 48.3 38.9 16 50
BUK SMBJ26CA-TR BUL SMBJ28CA-TR
42.1 14.9 53.5 45.4 13.8 48.4 13 59 64.3
BUM SMBJ30CA-TR BUN SMBJ33CA-TR CUN SMBJ36CA-TR CUJ SMBJ40CA-TR
53.3 11.8 69.7 58.1 10.3 64.5 77.4 93.6 9.7 8.1 6.7 76 84 100 121
BUW SMBJ48CA-TR BUO SMBJ58CA-TR
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SMBJ5.0A-TR, CA-TR, SMBJ188A-TR, CA-TR
Electrical characteristics (Tamb = 25 C)
Types SMBJ70A-TR SMBJ85A-TR CUM SMBJ70CA-TR BUQ SMBJ85CA-TR CBM BBQ
IRM @VRM max. 1 1 1 1 1 1 1 70 85 100 130 154 170 188
VBR @IR min.(1) 77.8 94.4 111 144 171 189 209 1 1 1 1 1 1 1
VCL @IPP max. 10/1000 s 113 137 162 209 246 275 328 5.5 4.6 3.8 3 2.4 2.2 2
VCL @IPP max. 8/20 s 146 27
T max.(2) 10.5 10.6 10.7 10.8 10.8 10.8 10.8
C typ.
(3)
550 500 450 400 360 350 330
178 22.5 212 265 19 15
SMBJ100A-TR CUQ SMBJ100CA-TR CBQ SMBJ130A-TR BUS SMBJ130CA-TR BBS SMBJ154A-TR BUT SMBJ154CA-TR BBT
317 12.6 353 11.3 388 10.3
SMBJ170A-TR BUU SMBJ170CA-TR BBU SMBJ188A-TR BUV SMBJ188CA-TR BBV
1. Pulse test : tp <50ms. 2. VBR = T * (Tamb -25) * VBR(25 C).
3. VR = 0 V, F = 1 MHz. For bidirectional types, capacitance value is divided by 2.
Pulse waveform 10/1000 s
10 s
1000 s
Figure 1.
Peak pulse power dissipation versus initial junction temperature (printed circuit board).
Figure 2.
Peak pulse power versus exponential pulse duration.
PPP (W)
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Electrical characteristics (Tamb = 25 C) Figure 3.
SMBJ5.0A-TR, CA-TR, SMBJ188A-TR, CA-TR
Clamping voltage versus peak pulse current.
VCL (V)
Tj initial = 25 C
SMBJ188A
SMBJ130A
SMBJ58A SMBJ33A SMBJ18A SMBJ8.5A SMBJ5.0A
Ipp (A)
Exponential waveform tp = 20 s tp = 1 ms tp = 10 ms
Note:
The curves of figure 3 are specified for a junction temperature of 25 C before surge. The given results may be extrapolated for other junction temperatures by using the following formula :
VBR = T * [Tamb -25] * VBR(25 C)
For intermediate voltages, extrapolate the given results. Figure 4. Capacitance versus reverse applied Figure 5. voltage for unidirectional types (typical values)
Tj = 25C F = 1 MHz
10000
Capacitance versus reverse applied voltage for bidirectional types (typical values)
C (pF) 10000
C (pF)
Tj = 25C F = 1 MHz
SMBJ5.0CA SMBJ13CA 1000 SMBJ26 CA SMBJ58CA SMBJ188CA 100 V R (V)
SMBJ 5. 0A 1000 SMBJ13 A SMBJ26 A SMBJ58 A SMBJ18 8A 100
V R (V) 10 1 10 100 500
10 1 10 100 500
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Electrical characteristics (Tamb = 25 C)
SMBJ5.0A-TR, CA-TR, SMBJ188A-TR, CA-TR
Figure 6.
Peak forward voltage drop versus Figure 7. peak forward current (typical values for unidirectional types).
Transient thermal impedance junction-ambient versus pulse duration. Mounting on FR4 PC Board with Recommended pad layout.
Figure 8.
Relative variation of leakage current versus junction temperature.
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Order code
SMBJ5.0A-TR, CA-TR, SMBJ188A-TR, CA-TR
2
Order code
SM
Surface Mount Peak Pulse Power B = SMB package Stand off voltage 85 = 85 V Type A = Unidirectinal CA = Bidirectional Packaging TR = Tape & reel
B
J
85
CA
-
TR
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Package mechanical data SMB (plastic)
SMBJ5.0A-TR, CA-TR, SMBJ188A-TR, CA-TR
3
Table 3.
Package mechanical data SMB (plastic)
Dimensions
E1
Ref. Min. Millimeters Typ. 2.15 0.15 Max. 2.45 0.20 2.20 0.41 5.40 4.30 3.60 1.15 5.60 4.60 3.95 1.60 Min. 0.075 0.002 0.077 0.006 0.201 0.159 0.130 0.030 0.213 0.169 0.142 0.045 Dimensions Inches Typ. 0.085 0.006 Max. 0.096 0.008 0.087 0.016 0.220 0.181 0.156 0.063
D
A1 A2 b
1.90 0.05 1.95 0.15 5.10 4.05 3.30 0.75
E A1 A2 L b
c E
c
E1 D L
Figure 9.
Footprint dimensions (millimeter)
Figure 10. Marking
5.25
Cathode bar ( unidirectional de vices onl y )
e3
2.22
xxx z y ww
E : ECOPACK ( Leadfree ) mention XXX : Marking Z : Man ufacturing location Y : Year WW : week
1.75
1.75
1.75
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.
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Ordering information
SMBJ5.0A-TR, CA-TR, SMBJ188A-TR, CA-TR
4
Ordering information
Delivery mode Tape and reel Tape and reel
Part number SMBJxxxA-TR SMBJxxxCA-TR
Marking See pages 2 and 3. See pages 2 and 3.
Package SMB SMB
Weight 0.12 g 0.12 g
Base qty 5000 5000
5
Revision history
Table 4.
Date Oct-2001 10-Feb-2005 16-Nov-2006
Document revision history
Revision 4 5 6 Previous issue Reformatted to current template. Added directional (uni and bi) indications to graphics. Added ECOPACK statement. Add part numbers SMBJ36A-TR and SMBJ36CA-TR on page 2. Changes
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SMBJ5.0A-TR, CA-TR, SMBJ188A-TR, CA-TR
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