TVS Diodes
Surface Mount – 400W > P4SMA series
P4SMA Series
RoHS
Pb e3
Description
Bi-directional
The P4SMA series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
Uni-directional
Agency Approvals
Agency
Agency File Number
E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak Pulse Power Dissipation at TA=25°C by
10/1000us Waveform(Fig.2)(Note 1), (Note 2)
Single Die Parts
PPPM
400
W
Peak Pulse Power Dissipation at TA=25°C by
10/1000us Waveform(Fig.2)(Note 1), (Note 2)
Stacked Die Parts(Note 5)
PPPM
600
W
Power Dissipation on Infinite Heat Sink at TL=50OC
PD
3.3
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 (Note 4)
VF
3.5/5.0
V
TJ
-65 to 150
°C
TSTG
-65 to 175
°C
Operating Temperature Range
Storage Temperature Range
Typical Thermal Resistance Junction to Lead
RθJL
30
°C/W
Typical Thermal Resistance Junction to Ambient
RθJA
120
°C/W
• 400W 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
• Optimized surface mount
footprint for minimal PCB
space impact
• Low profile package
• Typical failure mode due
to exceeding maximum
ratings is a short circuit
condition
• Whisker test conducted
based on Table 4a and 4c
of JEDEC JESD201A
• IEC 61000-4-2 ESD
30kV(Air), 30kV (Contact)
• 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
•H
igh 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%)
• UL Recognized epoxy
meeting flammability
classification V-0
• 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 Pbfree and the terminal finish
material is tin(Sn) (IPC/
JEDEC J-STD-609A.01)
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 device only.
4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts.
5. For stacked die component details, please refer to part numbers labeled by * in Electrical Characteristics.
Functional Diagram
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.
Bi-directional
Cathode
Anode
Additional Infomarion
Uni-directional
Datasheet
Resources
Samples
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.11/05/20
TVS Diodes
Surface Mount – 400W > P4SMA series
Electrical Characteristics (T =25°C unless otherwise noted)
A
Breakdown
Voltage VBR
(Volts) @ IT
Bi
Reverse
Stand off
Voltage VR
(Volts)
Min
6V8C
5.80
6.45
7.14
10
10.5
39.0
1000
0.041
X
7V5A
7V5C
6.40
7.13
7.88
10
11.3
36.3
500
0.052
X
P4SMA8.2CA
8V2A
8V2C
7.02
7.79
8.61
10
12.1
33.9
200
0.058
X
P4SMA9.1A
P4SMA9.1CA
9V1A
9V1C
7.78
8.65
9.55
1
13.4
30.6
50
0.063
X
P4SMA10A
P4SMA10CA
10A
10C
8.55
9.50
10.50
1
14.5
28.3
10
0.066
X
P4SMA11A
P4SMA11CA
11A
11C
9.40
10.50
11.60
1
15.6
26.3
5
0.069
X
P4SMA12A
P4SMA12CA
12A
12C
10.20
11.40
12.60
1
16.7
24.6
5
0.071
X
P4SMA13A
P4SMA13CA
13A
13C
11.10
12.40
13.70
1
18.2
22.5
1
0.074
X
P4SMA15A
P4SMA15CA
15A
15C
12.80
14.30
15.80
1
21.2
19.3
1
0.076
X
Part
Number
(Uni)
Part
Number
(Bi)
Uni
P4SMA6.8A
P4SMA6.8CA
6V8A
P4SMA7.5A
P4SMA7.5CA
P4SMA8.2A
Marking
Max
Test
Current
IT (mA)
Maximum Maximum Maximum
Maximum
Clamping Peak Pulse
Reverse
Temperature
Voltage VC Current Ipp Leakage IR Coefficient of
@ Ipp (V)
(A)
@ VR (µA)
VBR (%/C)
Agency
Approval
P4SMA16A
P4SMA16CA
16A
16C
13.60
15.20
16.80
1
22.5
18.2
1
0.080
X
P4SMA18A
P4SMA18CA
18A
18C
15.30
17.10
18.90
1
25.5
16.1
1
0.083
X
P4SMA20A
P4SMA20CA
20A
20C
17.10
19.00
21.00
1
27.7
14.8
1
0.085
X
P4SMA22A
P4SMA22CA
22A
22C
18.80
20.90
23.10
1
30.6
13.4
1
0.088
X
P4SMA24A
P4SMA24CA
24A
24C
20.50
22.80
25.20
1
33.2
12.3
1
0.091
X
P4SMA27A
P4SMA27CA
27A
27C
23.10
25.70
28.40
1
37.5
10.9
1
0.092
X
P4SMA30A
P4SMA30CA
30A
30C
25.60
28.50
31.50
1
41.4
9.9
1
0.093
X
P4SMA33A
P4SMA33CA
33A
33C
28.20
31.40
34.70
1
45.7
9.0
1
0.094
X
P4SMA36A
P4SMA36CA
36A
36C
30.80
34.20
37.80
1
49.9
8.2
1
0.096
X
P4SMA39A
P4SMA39CA
39A
39C
33.30
37.10
41.00
1
53.9
7.6
1
0.097
X
P4SMA43A
P4SMA43CA
43A
43C
36.80
40.90
45.20
1
59.3
6.9
1
0.098
X
P4SMA47A
P4SMA47CA
47A
47C
40.20
44.70
49.40
1
64.8
6.3
1
0.099
X
P4SMA51A
P4SMA51CA
51A
51C
43.60
48.50
53.60
1
70.1
5.8
1
0.100
X
P4SMA56A
P4SMA56CA
56A
56C
47.80
53.20
58.80
1
77.0
5.3
1
0.101
X
P4SMA62A
P4SMA62CA
62A
62C
53.00
58.90
65.10
1
85.0
4.8
1
0.102
X
P4SMA68A
P4SMA68CA
68A
68C
58.10
64.60
71.40
1
92.0
4.5
1
0.103
X
P4SMA75A
P4SMA75CA
75A
75C
64.10
71.30
78.80
1
103.0
4.0
1
0.104
X
P4SMA82A
P4SMA82CA
82A
82C
70.10
77.90
86.10
1
113.0
3.6
1
0.105
X
P4SMA91A
P4SMA91CA
91A
91C
77.80
86.50
95.50
1
125.0
3.3
1
0.106
X
P4SMA100A
P4SMA100CA
100A
100C
85.50
95.00
105.00
1
137.0
3.0
1
0.106
X
P4SMA110A
P4SMA110CA
110A
110C
94.00
105.00
116.00
1
152.0
2.7
1
0.107
X
P4SMA120A
P4SMA120CA
120A
120C
102.00
114.00
126.00
1
165.0
2.5
1
0.107
X
P4SMA130A
P4SMA130CA
130A
130C
111.00
124.00
137.00
1
179.0
2.3
1
0.107
X
P4SMA150A
P4SMA150CA
150A
150C
128.00
143.00
158.00
1
207.0
2.0
1
0.108
X
P4SMA160A
P4SMA160CA
160A
160C
136.00
152.00
168.00
1
219.0
1.9
1
0.108
X
P4SMA170A
P4SMA170CA
170A
170C
145.00
162.00
179.00
1
234.0
1.8
1
0.108
X
P4SMA180A
P4SMA180CA
180A
180C
154.00
171.00
189.00
1
246.0
1.7
1
0.108
X
P4SMA200A
P4SMA200CA
200A
200C
171.00
190.00
210.00
1
274.0
1.5
1
0.108
X
P4SMA220A
P4SMA220CA
220A
220C
185.00
209.00
231.00
1
328.0
1.3
1
0.110
-
P4SMA250A
-
250A
-
214.00
237.00
263.00
1
344.0
1.2
1
0.110
-
-
P4SMA250CA*
-
250C
214.00
237.00
263.00
1
344.0
1.8
1
0.110
-
P4SMA300A
-
300A
-
256.00
285.00
315.00
1
414.0
1.0
1
0.110
-
-
P4SMA300CA*
-
300C
256.00
285.00
315.00
1
414.0
1.5
1
0.110
-
P4SMA350A* P4SMA350CA*
350A
350C
300.00
332.00
368.00
1
482.0
1.3
1
0.112
-
P4SMA400A* P4SMA400CA*
400A
400C
342.00
380.00
420.00
1
548.0
1.1
1
0.112
-
P4SMA440A* P4SMA440CA*
440A
440C
376.00
418.00
462.00
1
602.0
1.0
1
0.112
-
P4SMA480A* P4SMA480CA*
480A
480C
408.00
456.00
504.00
1
658.0
1.0
1
0.112
-
P4SMA510A*
P4SMA510CA*
510A
510C
434.00
485.00
535.00
1
698.0
0.9
1
0.112
-
P4SMA530A* P4SMA530CA*
530A
530C
451.00
503.50
556.50
1
725.0
0.9
1
0.112
-
P4SMA540A* P4SMA540CA*
540A
540C
460.00
513.00
567.00
1
740.0
0.9
1
0.112
-
P4SMA550A* P4SMA550CA*
550A
550C
468.00
522.50
577.50
1
760.0
0.8
1
0.112
-
For bidirectional type having VR of 10 volts and less, the IR limit is double.
VBR @ TJ= VBR@25°C x (1+aT x (TJ - 25)) (aT:Temperature Coefficient)
For stack-die parts, use * to label the part number.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.11/05/20
TVS Diodes
Surface Mount – 400W > P4SMA series
I-V Curve Characteristics
Bi-directional
Uni-directional
Ipp
Vc VBR VR
IR VF
IT
IT
IR
Vc VBR VR
V
IR
IT
V
Ipp
Ipp
PPPM
VR
VBR
VC
IR
VF
VR VBR Vc
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 (IT)
Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
Reverse Leakage Current -- Current measured at VR
Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves (T =25°C unless otherwise noted)
A
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating Curve
Voltage Transients
PPPM-Peak Pulse Power (kW)
100
Voltage or Current
Voltage Across TVS
Current Through TVS
Time
TJ initial = Tamb
10
stacked-die, 600W
at 10/1000µs, 25°C
1
0.1
0.001
Single die,400W
at 10/1000µs, 25°C
0.01
0.1
1
10
td-Pulse Width (ms)
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.11/05/20
TVS Diodes
Surface Mount – 400W > P4SMA series
Ratings and Characteristic Curves (T =25°C unless otherwise noted) (Continued)
A
Figure 3 - Peak Pulse Power Derating Curve
Figure 4 - Pulse Waveform
150
IPPM- Peak Pulse Current, % IRSM
Peak Pluse Power(PPP) or Current(IPP)
Derating in Percentage %
100%
80%
60%
40%
20%
0%
0
25
50
75
100
125
150
tr=10µsec
Half Value
IPPM IPPM
( )
2
50
0
TJ Initial Junction Temperature(˚C)
10/1000µsec. Waveform
as defined by R.E.A
td
1.0
0
2.0
3.0
4.0
t-Time (ms)
Figure 5 - Typical Junction Capacitance
Figure 6 - Typical Transient Thermal Impedance
1000
Transient Thermal Impedance ( °C/W)
10000
Uni-direconal V=0V
1000
Cj (pF)
Peak Value
IPPM
100
175
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Bi-direconal V=0V
100
Uni/Bi-direconal
V=VR
10
100
10
1
0.1
0.001
1
1
10
100
1000
0.01
0.1
VBR - Reverse Breakdown Voltage (V)
Figure 7 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
IFSM
10
100
1000
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
100.0
Single die
60
IF - Peak Forward Current (A)
- Peak Forward Surve Current (A)
70
1
TP - Pulse Duration (s)
50
40
30
20
Stacked-die
10.0
1.0
10
0.1
0
1
10
Number of Cycles at 60 Hz
100
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
VF - Peak Forward Voltage (V)
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.11/05/20
TVS Diodes
Surface Mount – 400W > P4SMA series
Soldering Parameters
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
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
+0/-5
Case
Polarity
Terminal
Ramp-up
TL
tL
Critical Zone
TL to TP
Ts(max)
Ramp-down
Ts(min)
ts
Preheat
°C
25˚C
t 25˚C to Peak
Time (t)
Environmental Specifications
Physical Specifications
Weight
tp
TP
Temperature (T)
Reflow Condition
0.002 ounce, 0.061 gram
JEDEC DO-214AC. Molded plastic body over glass
passivated junction
Color band denotes positive end (cathode) except
bidirectional
Matte Tin-plated leads, Solderable per JESD22-B102
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
DO-214AC (SMA)
Dimensions
Cathode Band
(for uni-directional products only)
A
C
A
B
H
D
F
E
Inches
Millimeters
Min
Max
Min
Max
0.049
0.065
1.250
1.650
B
0.157
0.181
3.990
4.600
C
0.095
0.110
2.400
2.790
D
0.075
0.090
1.900
2.290
E
0.030
0.060
0.780
1.520
F
-
0.008
-
0.203
G
0.189
0.208
4.800
5.280
H
0.006
0.012
0.152
0.305
I
0.070
-
1.800
-
J
0.082
-
2.100
-
K
-
0.090
-
2.300
L
0.082
-
2.100
-
G
J
K
L
I
Solder Pads
(all dimensions in mm)
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.11/05/20
TVS Diodes
Surface Mount – 400W > P4SMA series
Part Numbering System
Part Marking System
P4SMA XXX C A
F
Cathode Band
(for uni-directional products only)
5% VBR Voltage Tolerance
XX
Bi-Directional
YMXXX
VBR Voltage
Series
Littelfuse Logo
Marking Code
Trace Code Marking
Y:Year Code
M: Month Code
XXX: Lot Code
Packaging
Part number
Component Package
Quantity
Packaging Option
Packaging Specification
P4SMAxxxXX
DO-214AC
5000
Tape & Reel - 12mm tape/13” reel
EIA STD RS-481
Tape and Reel Specification
0.157
(4.0)
Cathode
0.47
(12.0)
0.157
(4.0)
0.059 DIA
(1.5)
Cover tape
13.0 (330)
0.80 (20.2)
Arbor Hole Dia.
0.49
(12.5)
Dimensions are in inches
(and millimeters).
Direction of Feed
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.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.11/05/20
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