Transient Voltage Suppression Diodes
Surface Mount – 600W > SMA6L series
SMA6L Series
Uni-directional
Description
RoHS
Pb
e3
The SMA6L series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
The SMA6L low profile package has the same power
performance as the SMB package but with lowest height
profiles (1.1mm) in the industry.
Features
• Same power as standard
SMB devices (600 W)
• SMA low profile package:
less than 1.1 mm
• Footprint compatibility
with standard SMA and
SMB products (easy to
layout)
• 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)
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Low inductance, excellent
clamping capability
• Fast response time:
typically less than 1.0ns
from 0 Volts to V
BR
min
• Built-in strain relief
• Glass passivated junction
• Typical IR < 1µA when
VBR min > 12 V
• High temperature reflow
soldering guaranteed:
260°C/40sec
• V
BR
@ T
J
= V
BR
@25°C
x (1+
α
T x (T
J
- 25))
(
α
T: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
• Halogen free and RoHS
compliant
• Pb-free E3 means 2
ND
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Parameter
Peak Pulse Power Dissipation at T
A
=25ºC
by 10/1000µs Waveform (Fig.2)
(Note 1,2,3)
Power Dissipation on Infinite Heat Sink
at T
L
=50
O
C
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 4)
Maximum Instantaneous Forward
Voltage at 25A for Unidirectional
Only
Operating Temperature Range
Storage Temperature Range
Typical Thermal Resistance Junction to
Lead
Typical Thermal Resistance Junction to
Ambient
Symbol
P
PPM
P
D
I
FSM
V
F
T
J
T
STG
R
θJL
R
θJA
Value
600
3
60
3.5
-65 to
150
-65 to
175
35
200
Unit
W
W
A
V
°C
°C
°C/W
°C/W
Notes:
1. Non-repetitive current pulse, per Fig.4 and derated above T
J
(initial) =25ºC per Fig. 3.
2. Mounted on 5.0x5.0mm copper pad to each terminal.
3. SMA6L150A~SMA6L250A Peak Pulse Power Dissipation by 10/1000μs Waveform
(PPPM ) is 400W
4. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional
device only.
Applications
TVS components are ideal for the protection of I/O
Interfaces, V
CC
bus and other vulnerable circuits used in
Telecom, Computer, Industrial and Consumer electronic
applications.
Additional Infomarion
Functional Diagram
Bi-directional
Cathode
Uni-directional
Anode
Datasheet
Resources
Samples
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/30/18
Transient Voltage Suppression Diodes
Surface Mount – 600W > SMA6L series
Electrical Characteristics
(T =25°C unless otherwise noted)
A
Part
Number
(Uni)
SMA6L5.0A
SMA6L6.0A
SMA6L6.5A
SMA6L7.0A
SMA6L7.5A
SMA6L8.0A
SMA6L8.5A
SMA6L9.0A
SMA6L10A
SMA6L11A
SMA6L12A
SMA6L13A
SMA6L14A
SMA6L15A
SMA6L16A
SMA6L17A
SMA6L18A
SMA6L20A
SMA6L22A
SMA6L24A
SMA6L26A
SMA6L28A
SMA6L30A
SMA6L33A
SMA6L36A
SMA6L40A
SMA6L43A
SMA6L45A
SMA6L48A
SMA6L51A
SMA6L54A
SMA6L58A
SMA6L60A
SMA6L64A
SMA6L70A
SMA6L75A
SMA6L78A
SMA6L85A
SMA6L90A
SMA6L100A
SMA6L 110A
SMA6L120A
SMA6L 130A
SMA6L150A
SMA6L160A
SMA6L170A
SMA6L180A
SMA6L185A
SMA6L200A
SMA6L215A
SMA6L220A
SMA6L250A
Marking
Code
AE
AG
AK
AM
AP
AR
AT
AV
AX
AZ
BE
BG
BK
BM
BP
BR
BT
BV
BX
BZ
CE
CG
CK
CM
CP
CR
CT
CV
CX
CZ
RE
RG
RK
RM
RP
RR
RT
RV
RX
RZ
SE
SG
SK
SM
SP
SR
ST
SU
SV
SW
SX
SZ
Reverse
Stand off
Voltage V
R
(Volts)
5.0
6.0
6.5
7.0
7.5
8.0
8.5
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
33.0
36.0
40.0
43.0
45.0
48.0
51.0
54.0
58.0
60.0
64.0
70.0
75.0
78.0
85.0
90.0
100.0
110.0
120.0
130.0
150.0
160.0
170.0
180.0
185.0
200.0
215.0
220.0
250.0
Breakdown
Voltage V
BR
(Volts) @ I
T
MIN
6.40
6.67
7.22
7.78
8.33
8.89
9.44
10.00
11.10
12.20
13.30
14.40
15.60
16.70
17.80
18.90
20.00
22.20
24.40
26.70
28.90
31.10
33.30
36.70
40.00
44.40
47.80
50.00
53.30
56.70
60.00
64.40
66.70
71.10
77.80
83.30
86.70
94.40
100.0
111.0
122.0
133.0
144.0
167.0
178.0
189.0
201.0
209.0
224.0
237.0
246.0
279.0
MAX
7.00
7.37
7.98
8.60
9.21
9.83
10.40
11.10
12.30
13.50
14.70
15.90
17.20
18.50
19.70
20.90
22.10
24.50
26.90
29.50
31.90
34.40
36.80
40.60
44.20
49.10
52.80
55.30
58.90
62.70
66.30
71.20
73.70
78.60
86.00
92.10
95.80
104.00
111.00
123.00
135.00
147.00
159.00
185.00
197.00
209.00
222.00
231.00
247.00
263.00
272.00
309.00
Test
Current
I
T
(mA)
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum
Maximum
Maximum
Reverse
Clamping
Peak Pulse
Leakage I
R
Voltage V
C
Current I
pp
@ I
pp
@ V
R
(A)
(V)
(µA)
9.2
10.3
11.2
12.0
12.9
13.6
14.4
15.4
17.0
18.2
19.9
21.5
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
96.8
103.0
113.0
121.0
126.0
137.0
146.0
162.0
177.0
193.0
209.0
243.0
259.0
275.0
292.0
303.0
324.0
344.0
356.0
405.0
65.3
58.3
53.6
50.0
46.6
44.2
41.7
39.0
35.3
33.0
30.2
28.0
25.9
24.6
23.1
21.8
20.6
18.6
16.9
15.5
14.3
13.3
12.4
11.3
10.4
9.3
8.7
8.3
7.8
7.3
6.9
6.5
6.2
5.9
5.3
5.0
4.8
4.4
4.2
3.7
3.4
3.2
2.9
1.65
L55
1.50
1.40
1.40
1.25
1.17
1.13
0.95
800
800
500
200
100
50
20
10
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Agency
Approval
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/30/18
Transient Voltage Suppression Diodes
Surface Mount – 600W > SMA6L series
I-V Curve Characteristics
Uni-directional
Vc V
BR
V
R
I
R
V
F
I
T
V
I
pp
P
PPM
V
R
V
BR
V
C
I
R
V
F
Peak Pulse Power Dissipation
-- Max power dissipation
Stand-off Voltage
-- Maximum voltage that can be applied to the TVS without operation
Breakdown Voltage
-- Maximum voltage that flows though the TVS at a specified test current (I
T
)
Clamping Voltage
-- Peak voltage measured across the TVS at a specified I
PPM
(peak impulse current @ 10/1000)
Reverse Leakage Current
-- Current measured at V
R
Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves
(T =25°C unless otherwise noted)
A
Figure 1 - TVS Transients Clamping Waveform
Voltage Transients
Figure 2 - Peak Pulse Power Rating Curve
100
P
PPM
-Peak Pulse Power (kW)
Voltage Across TVS
Voltage or Current
10
Current Through TVS
1
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
0.1
0.000001
0.00001
0.0001
0.001
t
d
-Pulse Width (sec.)
Time
continues on next page.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/30/18
Transient Voltage Suppression Diodes
Surface Mount – 600W > SMA6L series
Ratings and Characteristic Curves
(T =25°C unless otherwise noted)
(Continued)
A
Figure 3 - Peak Pulse Power Derating Curve
100
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
80
60
40
20
0
Figure 4 - Pulse Waveform
150
I
PPM
- Peak Pulse Current, % I
RSM
tr=10µsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
100
Half Value
IPPM
IPPM
2
( )
10/1000µsec. Waveform
as defined by R.E.A
50
0
25
50
75
100
125 150
T
J
- Initial Junction Temperature (ºC)
175
0
td
0
1.0
2.0
t-Time (ms)
3.0
4.0
Figure 5 - Typical Junction Capacitance
10000
Figure 6 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
80
IFSM - Peak Forward Surve Current(A)
70
60
50
40
30
20
10
0
1
10
Number of Cycles at 60 Hz
100
1000
Cj (pF)
Uni-directional @V
R
Uni-directional V=0V
100
10
Tj=25ºC
f=1.0MHz
Vsig=50mVp-p
1
1.0
10.0
100.0
1000.0
V
BR
- Reverse Breakdown Voltage (V)
Figure 7 - Peak Forward Voltage Drop vs Peak
Forward Current (typical values)
100
I
F
- Peak Forward Current(A)
10
1
0.1
0.01
0
1
2
3
4
5
6
V
F
- Peak Forward Voltage(V)
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/30/18
Transient Voltage Suppression Diodes
Surface Mount – 600W > SMA6L series
Soldering Parameters
Reflow Condition
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Average ramp up rate (Liquidus Temp (T
A
)
to peak
T
S(max)
to T
A
- Ramp-up Rate
Reflow
- Temperature (T
A
) (Liquidus)
- Time (min to max) (t
s
)
Lead–free
assembly
150°C
200°C
60 – 180 secs
3°C/second max
3°C/second max
217°C
60 – 150 seconds
260
+0/-5
°C
20 – 40 seconds
6°C/second max
8 minutes Max.
260°C
High Temp. Storage
JESD22-A103
JESD22-A108
JESD22-A104
JEDEC-J-STD-020, Level 1
JESD22-A101
JESD22-A111
Temperature (T)
T
P
Ramp-up
t
p
Critical Zone
T
L
to T
P
T
L
T
s(max)
t
L
T
s(min)
Ramp-down
Preheat
t
s
25˚C
t 25˚C to Peak
Time (t)
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
Environmental Specifications
Physical Specifications
Weight
Case
Polarity
Terminal
0.002 ounce, 0.032 gram
JEDEC DO-221AC Molded Plastic over
glass passivated junction
Color band denotes cathode except
Bipolar
Matte Tin-plated leads, Solderable per
JESD22-B102
HTRB
Temperature Cycling
MSL
H3TRB
RSH
Dimensions
Cathode Band
C
Dimensions
A
A
B
Inches
Min
0.156
0.189
0.049
0.088
0.030
0.005
0.035
Max
0.181
0.220
0.069
0.116
0.059
0.010
0.043
Millimeters
Min
3.950
4.800
1.250
2.250
0.750
0.125
0.900
Max
4.600
5.600
1.750
2.950
1.500
0.250
1.100
B
C
D
G
E
E
F
E
D
F
G
3.12 (0.123)
1 .20 (0.047)
1.52 (0.060)
Mounting Pad Layout
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/30/18
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