© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: JC.01/05/21
TVS Diodes
Surface Mount – 600W > SMA6J series
Description
Agency Approvals
Agency Agency File Number
E230531
Features
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter Symbol Value Unit
Peak Pulse Power Dissipation by 10/1000μs
Waveform (Fig.2) (Note 1), (Note 2) PPPM 600 W
Power Dissipation on Infinite Heat Sink at
TL=50OCPD3.3 W
Peak Forward Surge Current, 8.3ms Single Half
Sine Wave (Note 3) IFSM 60 A
Maximum Instantaneous Forward Voltage at 25A
for Unidirectional Only VF3.5 V
Operating Temperature Range TJ-65 to 150 °C
Storage Temperature Range TSTG -65 to 175 °C
Typical Thermal Resistance
Junction to Lead RθJL 30 °C/W
Typical Thermal Resistance
Junction to Ambient RθJA 120 °C/W
The SMA6J series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Applications
TVS components are ideal for the protection of I/O
Interfaces, VCC bus and other vulnerable circuits used in
Telecom, Computer, Industrial and Consumer electronic
applications.
• Small DO-214AC SMT
footprint for minimal board
space requirement
• Typical failure mode is a
short circuit condition for
current events exceeding
component rating
• 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
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Excellent clamping
capability
• 600W peak pulsepower
capability at 10/1000μs
waveform, repetition rate
(duty cycle): 0.01%
• Fast response time:
typically less than 1.0ps
from 0 Volts to VBR min
• Typical IR < 1µA when
VBR min > 12 V
• High temperature reflow
soldering guaranteed:
260°C/30sec
• VBR @ TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value
is 0.1%)
• UL Recognized compound
meeting flammability
rating V-0
• Meet MSL level1, per
J-STD-020, lead-frame
maximun peak of 260°C
• Matte tin lead–free plated
• Pb-free E3 means 2nd level
interconnect is Pb-free
and the terminal finish
material is tin(Sn) (IPC/
JEDEC J-STD-609A.01)
SMA6J Series
Uni-directional
Functional Diagram
Bi-directional
Uni-directional
Cathode Anode
RoHS
Pb
e3
Bi-directional
Notes:
1. Non-repetitive current pulse, per Fig.4 and derated above TJ (initial) =25ºC per Fig. 3.
2. Mounted on 5.0x5.0mm copper pad to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional component only.
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: JC.01/05/21
TVS Diodes
Surface Mount – 600W > SMA6J 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)
Agency
Recognition
UNI BI MIN MAX
SMA6J5.0A SMA6J5.0CA 6BA 6WE 5 6.40 7.00 10 9.2 66.0 800 X
SMA6J6.0A SMA6J6.0CA 6AG 6WG 6 6.67 7.37 10 10.3 61.0 800 X
SMA6J6.5A SMA6J6.5CA 6AK 6WK 6.5 7.22 7.98 10 11.2 56.0 500 X
SMA6J7.0A SMA6J7.0CA 6AM 6WM 7 7.78 8.60 10 12.0 50.0 200 X
SMA6J7.5A SMA6J7.5CA 6AP 6WP 7. 5 8.33 9.21 1 12.9 46.5 100 X
SMA6J8.0A SMA6J8.0CA 6AR 6WR 8 8.89 9.83 1 13.6 44.1 50 X
SMA6J8.5A SMA6J8.5CA 6AT 6WT 8.5 9.44 10.40 1 14.4 41.7 20 X
SMA6J9.0A SMA6J9.0CA 6AV 6WV 9 10.0 11.1 1 15.4 39.0 10 X
SMA6J10A SMA6J10CA 6AX 6WX 10 11.1 12.3 1 17.0 37.0 5 X
SMA6J11A SMA6J11CA 6AZ 6WZ 11 12.2 13.5 1 18.2 33.0 1 X
SMA6J12A SMA6J12CA 6BE 6XE 12 13.3 14.7 1 19.9 31.0 1 X
SMA6J13A SMA6J13CA 6BG 6XG 13 14.4 15.9 1 21.5 29.0 1 X
SMA6J14A SMA6J14CA 6BK 6XK 14 15.6 17.2 1 23.2 25.8 1 X
SMA6J15A SMA6J15CA 6BM 6XM 15 16.7 18.5 1 24.4 25.1 1 X
SMA6J16A SMA6J16CA 6BP 6XP 16 17.8 19.7 1 26.0 23.1 1 X
SMA6J17A SMA6J17CA 6BR 6XR 17 18.9 20.9 1 27.6 22.6 1 X
SMA6J18A SMA6J18CA 6BT 6XT 18 20.0 22.1 1 29.2 21.5 1 X
SMA6J20A SMA6J20CA 6BV 6XV 20 22.2 24.5 1 32.4 19.4 1 X
SMA6J22A SMA6J22CA 6BX 6XX 22 24.4 26.9 1 35.5 17.0 1 X
SMA6J24A SMA6J24CA 6BZ 6XZ 24 26.7 29.5 1 38.9 16.0 1 X
SMA6J26A SMA6J26CA 6CE 6YE 26 28.9 31.9 1 42.1 14.9 1 X
SMA6J28A SMA6J28CA 6CG 6YG 28 31.1 34.4 1 45.4 13.8 1 X
SMA6J30A SMA6J30CA 6CK 6YK 30 33.3 36.8 1 48.4 12.5 1 X
SMA6J33A SMA6J33CA 6CM 6YM 33 36.7 40.6 1 53.3 11.8 1 X
SMA6J36A SMA6J36CA 6CP 6YP 36 40.0 44.2 1 58.1 10.4 1 X
SMA6J40A SMA6J40CA 6CR 6YR 40 44.4 49.1 1 64.5 9.7 1 X
SMA6J43A SMA6J43CA 6CT 6YT 43 47.8 52.8 1 69.4 8.7 1 X
SMA6J45A SMA6J45CA 6CV 6YV 45 50.0 55.3 1 72.7 8.3 1 X
SMA6J48A SMA6J48CA 6CX 6YX 48 53.3 58.9 1 77.4 8.1 1 X
SMA6J51A SMA6J51CA 6CZ 6YZ 51 56.7 62.7 1 82.4 7.4 1 X
SMA6J54A SMA6J54CA 6RE 6ZE 54 60.0 66.3 1 87.1 6.9 1 X
SMA6J58A SMA6J58CA 6RG 6ZG 58 64.4 71.2 1 93.6 6.7 1 X
SMA6J60A SMA6J60CA 6RK 6ZK 60 66.7 73.7 1 96.8 6.2 1 X
SMA6J64A SMA6J64CA 6RM 6ZM 64 71.1 78.6 1 103 5.9 1 X
SMA6J70A SMA6J70CA 6RP 6ZP 70 77.8 86.0 1 113 5.5 1 X
SMA6J75A SMA6J75CA 6RR 6ZR 75 83.3 92.1 1 121 5.0 1 X
SMA6J78A SMA6J78CA 6RT 6ZT 78 86.7 95.8 1 126 4.8 1 X
SMA6J85A SMA6J85CA 6RV 6ZV 85 94.4 104 1137 4.6 1 X
SMA6J90A SMA6J90CA 6RX 6ZX 90 100 111 1146 4.2 1 X
SMA6J100A - 6RZ - 100 111 123 1162 3.8 1 X
SMA6J110A - 6SE - 110 122 135 1177 3.5 1 X
SMA6J120A - 6SG - 120 133 147 1193 3.2 1 X
SMA6J130A - 6SK - 130 144 159 1 209 2.9 1 X
For bidirectional type having VR of 10 volts and less, the IR limit is double.
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: JC.01/05/21
TVS Diodes
Surface Mount – 600W > SMA6J series
I-V Curve Characteristics
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Voltage or Current
Figure 1 - TVS Transients Clamping Waveform
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 2 - Peak Pulse Power Rating Curve
Vc VBR VR
IR
IT
Ipp
V
Uni-directional
VF
I
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 @ 10/1000)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
0.1
1
10
100
0.0010.010.1 1
t
d
-Pulse Width (ms.)
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
P
PPM
-Peak Pulse Power (kW)
Vc VBR VR
IR
IT
Ipp
V
Vc
VBR
VR
Ipp
IR
IT
Bi-directional
I
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: JC.01/05/21
TVS Diodes
Surface Mount – 600W > SMA6J series
0
20
40
60
80
100
0255075100 125 175
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
150
TJ - Initial Junction Temperature (ºC)
Figure 3 - Peak Pulse Power Derating Curve
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 ( )
Figure 4 - Pulse Waveform
0
10
20
30
40
50
60
70
80
110100
IFSM - Peak Forward Surve Current(A)
Number of Cycles at 60 Hz
Figure 7 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
Ratings and Characteristic Curves (TA=25°C unless otherwise noted) (Continued)
0.01
0.1
1
10
100
0123456
I
F
- Peak Forward Current(A)
V
F
-Peak Forward Voltage(V)
Figure 6 - Peak Forward Voltage Drop vs Peak
Forward Current (typical values)
0.1
1
10
100
1000
0.0010.010.1 110100 1000
Transient Thermal Impedance (°C/W)
T -Pulse Duration (s)
P
Figure 5 - Typical Transient Thermal Impedance
Cj(pF)
V
BR
-Reverse Breakdown Voltage(V)
1
10
100
1000
10000
110100 1000
Uni-directional V=0V
Bi-directional V=0V
Uni-directional V=
V
R
Bi-directional V=
V
R
Figure 8 - Typical Junction Capacitance
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: JC.01/05/21
TVS Diodes
Surface Mount – 600W > SMA6J series
Dimensions
Physical Specifications
Weight 0.002 ounce, 0.061 gram
Case JEDEC DO-214AC Molded Plastic over glass
passivated junction
Polarity Color band denotes cathode except Bipolar
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 – 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
DO-214AC (SMA)
Cathode Band
A
D
EG
F
H
C
B
(all dimensions in mm)
I
L
K
J
Solder Pads
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 Inches Millimeters
Min Max Min Max
A0.049 0.065 1.250 1.650
B0.157 0.181 3.990 4.600
C0.095 0.110 2.400 2.790
D0.075 0.090 1.900 2.290
E0.030 0.060 0.780 1.520
F- 0.008 - 0.203
G0.189 0.208 4.800 5.280
H0.006 0.012 0.152 0.305
I0.070 - 1.800 -
J0.082 - 2.100 -
K- 0.090 - 2.300
L0.082 - 2.100 -
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: JC.01/05/21
TVS Diodes
Surface Mount – 600W > SMA6J series
Part Numbering System Part Marking System
Packaging
Part number Component Package Quantity Packaging Option Packaging Specification
SMA6JxxXX DO-214AC 5000 Tape & Reel - 12mm tape/13” reel EIA RS-481
Vr
Voltage
Bi-directional
5%
Vbr
Voltage T
F
XX
YMXXX
Marking Code
Trace Code Marking
Y:Year Code
M: Month Code
XXX: Lot Code
Littelfuse Logo
Cathode Band
Cathode
Tape and Reel Specification
0.47
(12.0)
0.157
(4.0)
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
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.