SZP6SMB Series Datasheet by Littelfuse Inc.

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M I GRADE HF|:|“®O i" litlelfuse‘
TVS Diodes Datasheet
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 01/08/21
1
SZP6SMB Series
Surface Mount > 600W
Zener Transient Overvoltage
Suppressors
Working Peak Reverse
Voltage Range − 5.8 to 171
V (for Uni-directional), 9.4 to
70.1 V (for Bi-directional)
Standard Breakdown Voltage
Range − 6.45 to 210V for Uni-
directional , 10.5 to 86.1V for
Bi-directional
Peak Power − 600 W @ 1 ms
ESD Rating of Class 3 (> 16
kV) per Human Body Model
Maximum Clamp Voltage @
Peak Pulse Current
Low Leakage < 5 µA Above
10 V
Response Time is Typically
< 1 ns
Pb-free means 2nd level
interconnect is Pb-free and
the terminal finish material is
tin(Sn) (IPC/JEDEC J-STD-
609A.01)
SZ Prefix for Automotive and
Other Applications Requiring
Unique Site and Control
Change Requirements; AEC−
Q101 Qualified and PPAP
Capable
Features
The SZP6SMB series is designed to protect voltage sensitive
components from high voltage, high energy transients. They have
excellent clamping capability, high surge capability, low breakdown
impedance and fast response time. The SZP6SMB series is
supplied in the Littelfuse exclusive, cost-effective, highly reliable
package and is ideally suited for use in communication systems,
automotive, numerical controls, process controls, medical
equipment, business machines, power supplies and many other
industrial/consumer applications.
Description
Parameter Symbol Value Unit
Peak Power Dissipation (Note 1)
@ TL = 25°C, Pulse Width = 1 ms PPK 600 W
DC Power Dissipation @ TL = 75°C
Measured Zero Lead Length (Note 2)
Derate Above 75°C
Thermal Resistance from
Junction−to−Lead
PD
RƟJL
3.0
40
25
W
mW/°C
°C/W
DC Power Dissipation (Note 3)
@ TA = 25°C Derate Above 25°C
Thermal Resistance from
Junction–to– Ambient
PD
RƟJA
0.55
4.4
226
W
mW/°C
°C/W
Forward Surge Current (Note 4)
@ TA = 25°C IFSM 100 A
Operating and Storage Temperature
Range TJ, Tstg
-65 to
+150 °C
Maximum Ratings and Thermal Characteristics
Stresses exceeding those listed in the Maximum Ratings table may damage the component. If any of these limits
are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected.
1. 10/1000 µs, non−repetitive.
2. 1” square copper pad, FR−4 board.
3. FR−4 board, using Littelfuse minimum recommended footprint
4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
For Unidirectonal only.
Bi-directional
Uni-directional
Agency Approvals
Agency Agency File/Certificate Number
E128662
RoHS
Pb
e3
Resources Accessories Samples
Additional Information
Functional Diagram
Bi-directional
Uni-directional
Cathode Anode
i" litlelfuse‘
TVS Diodes Datasheet
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 01/08/21
2
SZP6SMB Series
Surface Mount > 600W
I-V Curve Characteristics (TA = 25°C unless otherwise noted, VF = 3.5 V Max. @ IF (Note 5) =
30 A) For Uni-directional
Symbol Parameter
IPP Maximum Reverse Peak Pulse Current
VCClamping Voltage @ IPP
VRWM Working Peak Reverse Voltage
IRMaximum Reverse Leakage Current @ VRWM
VBR Breakdown Voltage @ IT
ITTest Current
I-V Curve Characteristics (TA = 25°C unless otherwise noted) – For Bi-directional
V
c
V
BR
V
R
I
R
I
T
I
PP
V
V
C
V
BR
V
R
I
PP
I
R
I
T
Bi-Directional
Symbol Parameter
IPP Maximum Reverse Peak Pulse Current
VCClamping Voltage @ IPP
VRWM Working Peak Reverse Voltage
IRMaximum Reverse Leakage Current @ VRWM
VBR Breakdown Voltage @ IT
ITOn-State Current
VFForward Voltage @ IF
IFForward Current
5. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, non−repetitive duty cycle.
VcVBR VR
IR
IT
IPP
V
Uni-directional
VF
544 Limlfuse‘
TVS Diodes Datasheet
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 01/08/21
3
SZP6SMB Series
Surface Mount > 600W
Electrical Characteristics - For Unidirectional
Component Component
Marking
Breakdown Voltage VC @ IPP
(Note 8)
VBR
C Typ.
(Note 9)
VRWM
(Note 6)
IR @
VRWM
VBR @ IT (V) (Note 7) @ ITVCIPP
Volts µA MIN NOM MAX mA Volts Amps %/°C pF
SZP6SMB6.8AT3G 6V8A 5.8 1000 6.45 6.8 7. 1 4 10 10.5 57 0.057 2380
SZP6SMB7.5AT3G 7V5A 6.4 500 7. 1 3 7.51 7.88 10 11. 3 53 0.061 2180
SZP6SMB8.2AT3G 8V2A 7.02 200 7.79 8.2 8.61 10 12.1 50 0.065 2015
SZP6SMB9.1AT3G 9V1A 7.78 50 8.65 9.1 9.55 113.4 45 0.068 1835
SZP6SMB10AT3G 10A 8.55 10 9.5 10 10.5 114.5 41 0.073 1690
SZP6SMB12AT3G 12A 10.2 511. 4 12 12.6 116.7 36 0.078 1435
SZP6SMB13AT3G 13A 11. 1 512.4 13.05 13.7 118.2 33 0.081 1335
SZP6SMB15AT3G 15A 12.8 514.3 15.05 15.8 121.2 28 0.084 117 5
SZP6SMB16AT3G 16A 13.6 515.2 16 16.8 122.5 27 0.086 1110
SZP6SMB18AT3G 18A 15.3 51 7. 1 18 18.9 125.2 24 0.088 1000
SZP6SMB20AT3G 20A 1 7. 1 519 20 21 127.7 22 0.09 910
SZP6SMB22AT3G 22A 18.8 520.9 22 23.1 130.6 20 0.092 835
SZP6SMB24AT3G 24A 20.5 522.8 24 25.2 133.2 18 0.094 775
SZP6SMB27AT3G 27A 23.1 525.7 27.05 28.4 137.5 16 0.096 700
SZP6SMB30AT3G 30A 25.6 528.5 30 31.5 141.4 14.4 0.097 635
SZP6SMB33AT3G 33A 28.2 531.4 33.05 34.7 145.7 13.2 0.098 585
SZP6SMB36AT3G 36A 30.8 534.2 36 37.8 149.9 12 0.099 540
SZP6SMB39AT3G 39A 33.3 537.1 39.05 41 153.9 11. 2 0.1 500
SZP6SMB43AT3G 43A 36.8 540.9 43.05 45.2 159.3 10.1 0.101 460
SZP6SMB47AT3G 47A 40.2 544.7 47.05 49.4 164.8 9.3 0.101 425
SZP6SMB51AT3G 51A 43.6 548.5 51.05 53.6 170.1 8.6 0.102 395
SZP6SMB56AT3G 56A 47.8 553.2 56 58.8 177 7. 8 0.103 365
SZP6SMB62AT3G 62A 53 558.9 62 65.1 185 7. 1 0.104 335
SZP6SMB68AT3G 68A 58.1 564.6 68 71.4 192 6.5 0.104 305
SZP6SMB75AT3G 75A 64.1 571.3 75.05 78.8 1103 5.8 0.105 280
SZP6SMB91AT3G 91A 77.8 586.5 91 95.5 1125 4.8 0.106 235
SZP6SMB100AT3G 100A 85.5 595 100 105 1137 4.4 0.106 215
SZP6SMB120AT3G 120A 102 5114 120 126 1165 3.6 0.107 185
SZP6SMB130AT3G 130A 111 5124 130.5 137 1179 3.3 0.107 170
SZP6SMB150AT3G 150A 128 5143 150.5 158 1207 2.9 0.108 150
SZP6SMB160AT3G 160A 136 5152 160 168 1219 2.7 0.108 140
SZP6SMB180AT3G 180A 154 5171 180 189 1246 2.4 0.108 130
SZP6SMB200AT3G 200A 171 5190 200 210 12 74 2.2 0.108 115
a; litielfuse‘
TVS Diodes Datasheet
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 01/08/21
4
SZP6SMB Series
Surface Mount > 600W
Electrical Characteristics - For Bidirectional
Component Component
Marking
VRWM
(Note 6)
IR @
VRWM
Breakdown Voltage VC @ IPP
(Note 8) VBR
C Typ.
(Note 9)
VBR @ IT (V) (Note 7) @ ITVCIPP
Volts µA MIN NOM MAX mA Volts Amps %/°C pF
SZP6SMB11CAT3G 11C 9.4 510.5 11.05 11. 6 115.6 38 0.075 865
SZP6SMB12CAT3G 12C 10.2 511. 4 12 12.6 116.7 36 0.078 800
SZP6SMB15CAT3G 15C 12.8 514.3 15.05 15.8 121.2 28 0.084 645
SZP6SMB16CAT3G 16C 13.6 515.2 16 16.8 122.5 27 0.086 610
SZP6SMB18CAT3G 18C 15.3 51 7. 1 18 18.9 125.2 24 0.088 545
SZP6SMB20CAT3G 20C 1 7. 1 519 20 21 127.7 22 0.09 490
SZP6SMB22CAT3G 22C 18.8 520.9 22 23.1 130.6 20 0.09 450
SZP6SMB24CAT3G 24C 20.5 522.8 24 25.2 133.2 18 0.094 415
SZP6SMB27CAT3G 27C 23.1 525.7 27.05 28.4 137.5 16 0.096 370
SZP6SMB30CAT3G 30C 25.6 528.5 30 31.5 141.4 14.4 0.097 335
SZP6SMB33CAT3G 33C 28.2 531.4 33.05 34.7 145.7 13.2 0.098 305
SZP6SMB36CAT3G 36C 30.8 534.2 36 37.8 149.9 12 0.099 280
SZP6SMB39CAT3G 39C 33.3 537.1 39.05 41 153.9 11. 2 0.1 260
SZP6SMB43CAT3G 43C 36.8 540.9 43.05 45.2 159.3 10.1 0.101 240
SZP6SMB47CAT3G 47C 40.2 544.7 47.05 49.4 164.8 9.3 0.101 220
SZP6SMB51CAT3G 51C 43.6 548.5 51.05 53.6 170.1 8.6 0.102 205
SZP6SMB56CAT3G 56C 47.8 553.2 56 58.8 177 7. 8 0.103 185
SZP6SMB62CAT3G 62C 53 558.9 62 65.1 185 7. 1 0.104 170
SZP6SMB68CAT3G 68C 58.1 564.6 68 71.4 192 6.5 0.104 155
SZP6SMB82CAT3G 82C 70.1 577.9 82 86.1 1113 5.3 0.105 130
6. A transient suppressor is normally selected according to the working peak reverse voltage (VRWM), which should be equal to or greater than the DC or continuous peak operating voltage level.
7. VBR measured at pulse test current IT at an ambient temperature of 25°C.
8. Surge current waveform per Figure 2 and derate per Figure 3 of the General Data − 600 Watt at the beginning of this group.
9. Bias Voltage = 0 V, F = 1 MHz, TJ = 25°C
Wfiflu mo Inn II) ‘ "1 1m: 1m) V LOAD fl Litlelfusd
TVS Diodes Datasheet
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 01/08/21
5
SZP6SMB Series
Surface Mount > 600W
Figure 1.
Pulse Rating Curve
Ratings and Characteristic Curves - For Unidirectional
Figure 2.
Pulse Waveform
Figure 3.
Surge Derating Curve
Figure 4.
Typical Junction Capacitance vs. Bias Voltage
Figure 6.
Typical Protection Circuit
in
in
0.1
1.0
10.0
100.0
0.0001 0.001 0.01 0.1 1 10
Ppk, Peak Power (KW)
tp, Pulse Width(ms)
Non-Repetitive
Pulse Waveform
Pulse Width (tP) is defined as
that point where the peak
current decays to 50% of IPP
tr ≤10μs
Peak Value . IPP
Half Value . IPP
2
tP
t, Time (ms)
Value (%)
SZP6SMB6.8AT3G
SZP6SMB18AT3G
SZP6SMB51AT3G
SZP6SMB200AT3G
TJ = 25°C
f = 1 MHz
Bias Voltage (Volts)
C, Capaciance (pF)
Figure 5.
Typical Junction Capacitance vs. Bias Voltage
01011
10
100
1000
1
SZP6SMB11CAT3G
SZP6SMB18CAT3G
SZP6SMB47CAT3G
SZP6SMB91CAT3G
TJ = 25°C
f = 1 MHz
Bias Voltage (Volts)
C, Capaciance (pF)
0
20
40
60
80
100
120
0 25 50 75 100 125 150 175
PEAK PULSE DERATING IN % OF
PEAK CURRENT
T
A
AMBIENT TEMPERATRUE(˚C)
10*1000 WAVEFORM
SW A I M a? 4 2 43 0.108 , , j :i L w o 085 a; litielfuse‘
TVS Diodes Datasheet
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 01/08/21
6
SZP6SMB Series
Surface Mount > 600W
Physical Specifications
Weight 0.00326 ounce, 0.1015 grams
Case JEDEC DO214AA. Void-Free, Transfer-Molded,
Thermosetting Plastic Epoxy Meets UL 94V-0
Polarity Color band denotes cathode for unidirectional
components.
Terminal Matte Tin-plated leads, Solderable per
JESD22-B102
Soldering Parameters
Temperature (T)
Time (t)
T
s(min)
T
s(max)
T
L
T
P
t
s
Preheat
t
L
t
p
Ramp-up Critical Zone
T
L
to T
P
Ramp-down
t 25˚C to Peak
25˚C
Reflow Condition Lead–free
assembly
Pre Heat
- Temperature Min (Ts(min))150°C
- Temperature Max (Ts(max))200°C
- Time (min to max) (ts)60 – 120 secs
Average ramp up rate (Liquidus Temp (TL) to peak 3°C/second max
TS(max) to TL - Ramp-up Rate 3°C/second max
Reflow - Temperature (TL) (Liquidus) 217°C
- Time (min to max) (tL)60 – 150 seconds
Peak Temperature (TP)260+0/-5 °C
Time within 5°C of actual peak Temperature (tp)30 seconds max
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (TP)8 minutes max.
Do not exceed 260°C
Environmental Specifications
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Temperature Cycling JESD22-A104
MSL JEDEC-J-STD-020, Level 1
H3TRB JESD22-A101
RSH JESD22-A111
Dimensions Soldering Footprint
Ordering Information
2.261
Dim
Inches Millimeters
Min Nom Max Min Nom Max
A0.077 0.091 0.097 1.95 2.30 2.47
A1 0.002 0.004 0.008 0.05 0.10 0.20
b0.077 0.080 0.087 1.96 2.03 2.20
c0.006 0.009 0.012 0.15 0.23 0.31
D0.130 0.140 0.156 3.30 3.56 3.95
E0.16 0 0.170 0.181 4.06 4.32 4.60
HE 0.205 0.214 0.220 5.21 5.44 5.60
L0.030 0.040 0.063 0.76 1.02 1.60
L1 0.020 REF 0.51 REF
D
E
bD
Lc
A
A1
HE
D
Device Package Shipping
SZP6SMBxxxAT3G SMB
(Pb−Free)
2,500 /
Tape & Reel
SZP6SMBxxxCAT3G SMB
(Pb−Free)
2,500 /
Tape & Reel
L1
|Ex>
TVS Diodes Datasheet
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 01/08/21
7
SZP6SMB Series
Surface Mount > 600W
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not
designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics.
SMB TVS
Type Code
CA Bi-Directional TVS
A Uni Directional TVS
Zener Automotive
SZ
P6SMB CA T3
Tape/Reel Designat
or
G
Pb Free Plating
xx
VBR
VOLTAGE
Part Numbering SystemPart Marking System
2
Anode
1
Cathode
XXXX =Device Code (max four digits)
Y=Year
M=Month
A=Assembly Location
WW =Lot Code
Tape and Reel Specification
0.47
(12.0)
0.315
(8.0)
0.157
(4.0)
0.52
(13.3)
0.80 (20.2)
Arbor Hole Dia.
13.0 (330)
Dimensions are in inches
(and millimeters).
Direction of Feed
0.061 DIA
(1.55) Cover tape
Cathode mark for
uni-directional components

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