Transient Voltage Suppression Diodes
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/22/16
Surface Mount – 600W > SMBJ series
Description
Agency Approvals
The SMBJ is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Features
• 600W peak pulse power
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• Excellent clamping
capability
• Low incremental surge
resistance
• Typical IR less than 1μA
when VBR min>12V
• For surface mounted
applications to optimize
board space
• Low profile package
• Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Built-in strain relief
• Fast response time:
typically less than 1.0ps
from 0V to BV min
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
• VBR @ TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value
is 0.1%)
• Plastic package is
flammability rated V-0 per
Underwriters Laboratories
• Meet MSL level1, per
J-STD-020, LF maximun
peak of 260°C
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
Applications
TVS devices are ideal for the protection of I/O Interfaces,
VCC bus and other vulnerable circuits used in Telecom,
Computer, Industrial and Consumer electronic
applications.
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter Symbol Value Unit
Peak Pulse Power Dissipation at
TA=25ºC by 10/1000µs Waveform
(Fig.2)(Note 1), (Note 2), (Note 5)
PPPM 600 W
Power Dissipation on Infinite Heat
Sink at TL=50OCPD5.0 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3) IFSM 100 A
Maximum Instantaneous Forward
Voltage at 50A for Unidirectional
Only (Note 4)
VF3.5/5.0 V
Operating Temperature Range TJ-65 to 150 °C
Storage Temperature Range TSTG -65 to 175 °C
Typical Thermal Resistance Junction
to Lead RθJL 20 °C/W
Typical Thermal Resistance Junction
to Ambient RθJA 100 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3.
2. Mounted on copper pad area of 0.2x0.2” (5.0 x 5.0mm) to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional
device only, duty cycle=4 per minute maximum.
4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts.
5. The PPPM of stacked-die parts is 800W and please contact littelfuse for the detail
stacked-die parts.
AGENCY AGENCY FILE NUMBER
E230531
SMBJ
Bi-directional
Uni-directional
Functional Diagram
Bi-directional
Uni-directional
Cathode Anode
RoHS
Pb
e3
®
Datasheet
Additional Infomarion
Resources
Samples
Transient Voltage Suppression Diodes
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/22/16
Surface Mount – 600W > SMBJ series
Electrical Characteristics (TA=25°C unless otherwise noted)
Part
Number
(Uni)
Part
Number
(Bi)
Marking
Reverse
Stand off
Voltage VR
(Volts)
Breakdown
Voltage VBR
(Volts) @ IT
Test
Current
IT
(mA)
Maximum
Clamping
Voltage VC
@ Ipp
(V)
Maximum
Peak
Pulse
Current Ipp
(A)
Maximum
Reverse
Leakage IR
@ VR
(µA)
Maximum
Temperature
coefficient of
VBR (%/C)
Agency
Approval
UNI BI MIN MAX
SMBJ5.0A SMBJ5.0CA KE AE 5.0 6.40 7. 0 0 10 9.2 65.3 800 0.041 X
SMBJ6.0A SMBJ6.0CA KG AG 6.0 6.67 7.37 10 10.3 58.3 800 0.046 X
SMBJ6.5A SMBJ6.5CA KK AK 6.5 7.22 7.98 10 11. 2 53.6 500 0.052 X
SMBJ7.0A SMBJ7.0CA KM AM 7. 0 7.78 8.60 10 12.0 50.0 200 0.058 X
SMBJ7.5A SMBJ7.5CA KP AP 7. 5 8.33 9.21 1 12.9 46.6 10 0 0.061 X
SMBJ8.0A SMBJ8.0CA KR AR 8.0 8.89 9.83 1 13.6 44.2 50 0.064 X
SMBJ8.5A SMBJ8.5CA KT AT 8.5 9.44 10.40 1 14.4 41.7 20 0.066 X
SMBJ9.0A SMBJ9.0CA KV AV 9.0 10.00 11. 10 1 15.4 39.0 10 0.069 X
SMBJ10A SMBJ10CA KX AX 10.0 11. 10 12.30 1 1 7. 0 35.3 5 0.071 X
SMBJ11A SMBJ11CA KZ AZ 11. 0 12.20 13.50 1 18.2 33.0 1 0.074 X
SMBJ12A SMBJ12CA LE BE 12.0 13.30 14.70 1 19.9 30.2 1 0.075 X
SMBJ13A SMBJ13CA LG BG 13.0 14.40 15.90 1 21.5 28.0 1 0.076 X
SMBJ14A SMBJ14CA LK BK 14.0 15.60 17.20 1 23.2 25.9 1 0.08 X
SMBJ15A SMBJ15CA LM BM 15.0 16.70 18.50 1 24.4 24.6 1 0.083 X
SMBJ16A SMBJ16CA LP BP 16.0 17.80 19.70 1 26.0 23.1 1 0.084 X
SMBJ17A SMBJ17CA LR BR 1 7. 0 18.90 20.90 1 27.6 21.8 1 0.085 X
SMBJ18A SMBJ18CA LT BT 18.0 20.00 22.10 1 29.2 20.6 1 0.088 X
SMBJ20A SMBJ20CA LV BV 20.0 22.20 24.50 1 32.4 18.6 1 0.091 X
SMBJ22A SMBJ22CA LX BX 22.0 24.40 26.90 1 35.5 16.9 1 0.092 X
SMBJ24A SMBJ24CA LZ BZ 24.0 26.70 29.50 1 38.9 15.5 1 0.092 X
SMBJ26A SMBJ26CA ME CE 26.0 28.90 31.90 1 42.1 14.3 1 0.093 X
SMBJ28A SMBJ28CA MG CG 28.0 31.10 34.40 1 45.4 13.3 1 0.094 X
SMBJ30A SMBJ30CA MK CK 30.0 33.30 36.80 1 48.4 12.4 1 0.096 X
SMBJ33A SMBJ33CA MM CM 33.0 36.70 40.60 1 53.3 11. 3 1 0.097 X
SMBJ36A SMBJ36CA MP CP 36.0 40.00 44.20 1 58.1 10.4 1 0.098 X
SMBJ40A SMBJ40CA MR CR 40.0 44.40 49.10 1 64.5 9.3 1 0.099 X
SMBJ43A SMBJ43CA MT CT 43.0 47.80 52.80 1 69.4 8.7 1 0.1 X
SMBJ45A SMBJ45CA MV CV 45.0 50.00 55.30 1 72.7 8.3 1 0.101 X
SMBJ48A SMBJ48CA MX CX 48.0 53.30 58.90 1 77.4 7. 8 10.101 X
SMBJ51A SMBJ51CA MZ CZ 51.0 56.70 62.70 1 82.4 7. 3 10.101 X
SMBJ54A SMBJ54CA NE DE 54.0 60.00 66.30 1 87.1 6.9 1 0.102 X
SMBJ58A SMBJ58CA NG DG 58.0 64.40 71.20 1 93.6 6.5 1 0.103 X
SMBJ60A SMBJ60CA NK DK 60.0 66.70 73.70 1 96.8 6.2 1 0.103 X
SMBJ64A SMBJ64CA NM DM 64.0 71.10 78.60 1 103.0 5.9 1 0.104 X
SMBJ70A SMBJ70CA NP DP 70.0 77.80 86.00 1 113.0 5.3 1 0.105 X
SMBJ75A SMBJ75CA NR DR 75.0 83.30 92.10 1 121.0 5.0 1 0.106 X
SMBJ78A SMBJ78CA NT DT 78.0 86.70 95.80 1 126.0 4.8 1 0.106 X
SMBJ85A SMBJ85CA NV DV 85.0 94.40 104.00 1 137.0 4.4 1 0.106 X
SMBJ90A SMBJ90CA NX DX 90.0 100.00 111.0 0 1 146.0 4.1 1 0.107 X
SMBJ100A SMBJ100CA NZ DZ 100.0 111. 0 0 123.00 1 162.0 3.7 1 0.107 X
SMBJ110A SMBJ110CA PE EE 110.0 122.00 135.00 1 177.0 3.4 1 0.107 X
SMBJ120A SMBJ120CA PG EG 120.0 133.00 147.00 1 193.0 3.1 1 0.108 X
SMBJ130A SMBJ130CA PK EK 130.0 144.00 159.00 1 209.0 2.9 1 0.108 X
SMBJ150A SMBJ150CA PM EM 150.0 167.00 185.00 1 243.0 2.5 1 0.108 X
SMBJ160A SMBJ160CA PP EP 160.0 178.00 197.00 1 259.0 2.3 1 0.108 X
SMBJ170A SMBJ170CA PR ER 170.0 189.00 209.00 1 275.0 2.2 1 0.108 X
SMBJ180A SMBJ180CA PT ET 180.0 201.00 222.00 1 292.0 2.1 1 0.108 X
SMBJ188A SMBJ188CA PB EB 188.0 209.00 231.00 1 304.0 2.0 1 0.11
SMBJ200A SMBJ200CA PV EV 200.0 224.00 247.00 1 324.0 1. 9 1 0.11 X
SMBJ220A SMBJ220CA PX EX 220.0 246.00 272.00 1 356.0 1. 7 1 0.11 X
SMBJ250A SMBJ250CA PZ EZ 250.0 279.00 309.00 1 405.0 1. 5 1 0.11 X
SMBJ300A* SMBJ300CA* QE FE 300.0 335.00 371.00 1 486.0 1. 3 1 0.112 X
SMBJ350A* SMBJ350CA* QG FG 350.0 391.00 432.00 1 567.0 1. 1 1 0.112
SMBJ400A* SMBJ400CA* QK FK 400.0 447.00 494.00 1 648.0 0.9 1 0.112
SMBJ440A* SMBJ440CA* QM FM 440.0 492.00 543.00 1 713.0 0.9 1 0.112
For bidirectional type having VR of 10 volts and less, the IR limit is double.
For parts without A , the VBR is ± 10% and VC is 5% higher than with A parts.
For parts with “*” are made by stack chip, which has higher surge capability (typical 1.8*IPP as specified).
Transient Voltage Suppression Diodes
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/22/16
Surface Mount – 600W > SMBJ series
I-V Curve Characteristics
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
t
d
-Pulse Width (ms)
P
PPM
-Peak Pulse Power (kW)
0.1
1
10
100
0.001 0.01 0.11 10
stacked-die, 800W
at 10x1000
µs, 25°C
Single die,600W
at 10x1000
µs, 25°C
TJ initial = Tamb
Figure 2 - Peak Pulse Power Rating
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Voltage or Current
Figure 1 - TVS Transients Clamping Waveform
Vc VBR VR
IR
IT
Ipp
V
Uni-directional
VF
Vc VBR VR
IR
IT
Ipp
V
Vc
VBR
VR
Ipp
IR
IT
Bi-directional
PPPM Peak Pulse Power Dissipation -- Max power dissipation
VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
VC Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
continues on next page.
Transient Voltage Suppression Diodes
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/22/16
Surface Mount – 600W > SMBJ series
IPPM- Peak Pulse Current, % IRSM
0
0
50
100
150
1.0 2.0 3.0 4.0
tr=10µsec
Peak Value
IPPM
IPPM
2
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000µsec. Waveform
as defined by R.E.A
td
t-Time (ms)
Half Value
IPPM ( )
Uni-direconal
Bi-direconal
V=
VR
Uni-direconal V=0V
Bi-direconal V= 0V
1
10
100
1000
10000
100000
110100 1000
Cj (pF)
V
BR
- Reverse Breakdown Voltage (V)
0.1
1
10
100
1000
0.001
0.01 0.11 10 100 1000
Transient Thermal Impedance (°C/W)
T -Pulse Duration (s)
P
Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform
Figure 5 - Typical Junction Capacitance Figure 6 - Typical Transient Thermal Impedance
0
20
40
60
80
100
120
110100
Number of Cycles at 60 Hz
IFSM - Peak Forward Surge Current (A)
Figure 7 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
Ratings and Characteristic Curves (TA=25°C unless otherwise noted) (Continued)
0
20
40
60
80
100
0255075100 125 175
Peak Pulse Power (P
PP) or Current (IPP)
Derating in Percentage
%
150
TJ - Initial Junction Temperature (ºC)
0.1
1.0
10.0
100.0
0.01.0 2.03.0 4.05.0 6.07.0 8.09.0
I
F
-
Peak Forward Current(A)
V
F
-
Peak Forward Voltage(V)
Stacked-die
Single die
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
Transient Voltage Suppression Diodes
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/22/16
Surface Mount – 600W > SMBJ series
Physical Specifications
Weight 0.003 ounce, 0.093 grams
Case JEDEC DO214AA. Molded plastic body
over glass passivated junction
Polarity Color band denotes cathode except
Bidirectional
Terminal Matte Tin-plated leads, Solderable per
JESD22-B102
Soldering Parameters
Temperature (T)
Time (t)
Ts(min)
Ts(max)
TL
TP
ts
Preheat
tL
tp
Ramp-up Critical Zone
TL to TP
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 – 180 secs
Average ramp up rate (Liquidus Temp (TA)
to peak 3°C/second max
TS(max) to TA - Ramp-up Rate 3°C/second max
Reflow - Temperature (TA) (Liquidus) 217°C
- Time (min to max) (ts) 60 – 150 seconds
Peak Temperature (TP) 260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)20 – 40 seconds
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (TP) 8 minutes Max.
Do not exceed 260°C
Dimensions
Dimensions
Inches Millimeters
Min Max Min Max
A 0.076 0.086 1.930 2.200
B 0.160 0.187 4.060 4.750
C 0.130 0.155 3.300 3.940
D 0.078 0.103 1.990 2.610
E 0.030 0.060 0.760 1.520
F - 0.008 - 0.203
G 0.205 0.220 5.210 5.590
H 0.006 0.012 0.152 0.305
I 0.089 - 2.260 -
J 0.085 - 2.160 -
K - 0.107 - 2.740
L 0.085 - 2.160 -
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
(all dimensions in mm)
I
L
K
J
Solder Pads
A
D
EG
F
H
C
B
Cathode Band
(for Uni-directional products only)
DO-214AA (SMB J-Bend)
Transient Voltage Suppression Diodes
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/22/16
Surface Mount – 600W > SMBJ series
Part Numbering System
V
R
VOLTAGE
BI-DIRECTIONAL
5%
V
BR
VOLTAGE TOLERANCE
SERIES
SMBJ XXX CA
Packaging
Part number Component
Package Quantity Packaging
Option Packaging Specification
SMBJxxxXX DO-214AA 3000 Tape & Reel - 12mm tape/13” reel EIA STD RS-481
Part Marking System
Tape and Reel Specification
0.47
(12.0)
0.315
(8.0)
0.157
(4.0)
0.49
(12.5)
0.80 (20.2)
Arbor Hole Dia.
13.0 (330)
Dimensions are in inches
(and millimeters).
Direction of Feed
0.059 DIA
(1.5) Cover tape
Cathode
F
XX
YMXXX
Marking Code
Trace Code Marking
Y:Year Code
M: Month Code
XXX: Lot Code
Littelfuse Logo
Cathode Band
(for Uni-directional products only)
