TVS Diodes
Surface Mount – 400W > P4SMA-E
P4SMA series
Series
P4SMA-E Series
RoHS
Pb e3
08/21/2020
41356
P4SMA Series
Description
Uni-directional
The P4SMA-E series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
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)
PPPM
400
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
VF
3.5
V
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
Maximum Instantaneous Forward
Voltage at 25A for Unidirectional
Only
Operating Temperature Range
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.
Functional Diagram
Anode
Uni-directional
• 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%)
• EPI silicon technology
• Meet MSL level1, per
J-STD-020C, 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-STD609A.01)
Applications
Bi-directional
Cathode
• Excellent clamping
capability
• 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)
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Built-in strain relief
• 400W peak pulse power
capability at 10/1000µs
waveform, repetition rate
(duty cycles):0.01%
• Low incremental surge
resistance
• Fast response time:
typically less than 1.0ps
from 0V to BV min
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.
©2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: August 31, 2020 11:42 AM
TVS Diodes
Surface Mount – 400W > P4SMA-E
P4SMA series
Series
Electrical Characteristics (T =25°C unless otherwise noted)
A
Part
Number
(Uni)
P4SMA350A-E
P4SMA400A-E
P4SMA440A-E
P4SMA480A-E*
P4SMA510A-E*
P4SMA530A-E*
P4SMA540A-E*
P4SMA550A-E*
P4SMA600A-E*
P4SMA650A-E*
P4SMA700A-E*
P4SMA800A-E*
P4SMA900A-E*
P4SMA1000A-E*
Reverse
Stand off
Marking
Voltage VR
(Volts)
350S
400S
440S
480S
510S
530S
540S
550S
600S
650S
700S
800S
900S
1000S
300
342
376
408
434
451
460
468
510
553
595
680
765
850
MIN
MAX
Test
Current
IT
(mA)
332.0
380.0
418.0
456.0
485.0
503.5
513.0
522.5
570.0
617.5
665.0
760.0
855.0
950.0
368.0
420.0
462.0
504.0
535.0
556.5
567.0
577.5
630.0
682.5
735.0
840.0
945.0
1050.0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Breakdown
Voltage VBR
(Volts) @ IT
Maximum
Maximum
Maximum
Reverse
Clamping
Peak Pulse
Leakage IR
Voltage VC
Current Ipp
@ Ipp
@ VR
(A)
(V)
(µA)
482.0
548.0
602.0
658.0
698.0
725.0
740.0
760.0
822.0
891.0
959.0
1096.0
1233.0
1365.0
0.90
0.75
0.68
0.61
0.57
0.55
0.54
0.53
0.49
0.45
0.42
0.37
0.33
0.30
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Note: for parts with * are still under development
I-V Curve Characteristics
Uni-directional
Vc VBR VR
IR VF
IT
V
Ipp
PPPM
VR
VBR
VC
IR
VF
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
©2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: August 31, 2020 11:42 AM
TVS Diodes
Surface Mount – 400W > P4SMA-E
P4SMA series
Series
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
TJ initial = Tamb
10
1
0.1
0.001
0.01
0.1
Time
Figure 3 - Peak Pulse Power Derating Curve
150
IPPM- Peak Pulse Current, % IRSM
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
10
Figure 4 - Pulse Waveform
100
80
60
40
20
0
1
td-Pulse Width (ms)
0
25
50
75
100
125 150
TJ - Initial Junction Temperature (ºC)
tr=10µsec
Peak Value
IPPM
100
Half Value
IPPM IPPM
( )
2
50
0
175
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
0
1.0
2.0
3.0
4.0
t-Time (ms)
Figure 5 - Typical Junction Capacitance
Figure 6 - Typical Transient Thermal Impedance
1000.00
Transient Thermal Impedance ( °C/W)
1000
Cj (pF)
100.00
10.00
1.00
100
1000
VBR - Reverse Breakdown Voltage (V)
100
10
1
0.1
0.001
0.01
0.1
1
10
100
1000
TP - Pulse Duration (s)
©2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: August 31, 2020 11:42 AM
TVS Diodes
Surface Mount – 400W > P4SMA
series
P4SMA-E
Series
Figure 7 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
100.0
60
I F- Peak Forward Current (A)
IFSM - Peak Forward Surve Current (A)
70
50
40
30
20
10.0
1.0
10
0.1
0
1
10
0.0
100
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
VF - Peak Forward Voltage (V)
Number of Cycles at 60 Hz
Soldering Parameters
Pre Heat
Lead–free assembly
- 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
Physical Specifications
tp
TP
Ramp-up
TL
Temperature (T)
Reflow Condition
tL
Critical Zone
TL to TP
Ts(max)
Ts(min)
Ramp-down
ts
Preheat
25˚C
t 25˚C to Peak
Time (t)
Environmental Specifications
High Temp. Storage
JESD22-A103
HTRB
JESD22-A108
Weight
0.002 ounce, 0.061 gram
Temperature Cycling
JESD22-A104
Case
JEDEC DO-214AC. Molded plastic body
over glass passivated junction
MSL
JEDEC-J-STD-020, Level 1
Polarity
olor band denotes positive end
C
(cathode) except bidirectional
H3TRB
JESD22-A101
Terminal
Matte Tin-plated leads, Solderable per
JESD22-B102
RSH
JESD22-A111
©2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: August 31, 2020 11:42 AM
TVS Diodes
Surface Mount – 400W > P4SMA
series
P4SMA-E
Series
Dimensions
DO-214AC (SMA)
Dimensions
Cathode Band
(for Uni-directional products only)
C
A
B
H
D
F
E
G
L
K
J
I
Solder Pads
(all dimensions in mm)
Part Numbering
System
Inches
Millimeters
Min
Max
Min
Max
A
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
-
Part Marking System
P4SMA XXX A-E
Cathode Band
(for Uni-directional products only)
F
EPI SILICON TECHNOLOGY
5% VBR VOLTAGE TOLERANCE
XX
VBR VOLTAGE
YMXXX
SERIES
Littelfuse Logo
Marking Code
Trace Code Marking
Y:Year Code
M: Month Code
XXX: Lot Code
Packaging
Part number
Component
Package
P4SMAxxxA-E
DO-214AC
Packaging
Option
Quantity
5000
Tape & Reel - 12mm tape/13” reel
Packaging
Specification
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
©2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: August 31, 2020 11:42 AM
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