Revision: November 15, 2011, 15:54
©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Transient Voltage Suppression Diodes
1
Surface Mount – 400W > P4SMA series
P4SMA Series
Please refer to http://www.Littelfuse.com/series/P4SMA.html for current information.
Description
Agency Approvals
P4SMA Series
Features
• Halogen-Free
RoHS compliant
For surface mounted
applications to optimize
board space
Low prole package
Built-in strain relief
Typical maximum
temperature coefcient
ΔVBR = 0.1% x VBR@25°C x ΔT
Glass passivated chip
junction
400W peak pulse power
capability at 10×1000µs
waveform, repetition rate
(duty cycles):0.01%
Fast response time:
typically less than 1.0ps
from 0V to BV min
Excellent clamping
capability
Low incremental surge
resistance
Typical IR less than 1µA
above 12V
High Temperature
soldering guaranteed:
260°C/40 seconds at
terminals
Plastic package has
Underwriters Laboratory
Flammability 94V-O
Matte Tin Lead–free Plated
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.
The P4SMA series is designed specically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter Symbol Value Unit
Peak Pulse Power Dissipation at
TA=25ºC by 10x1000µs waveform
(Fig.1)(Note 1), (Note 2)
PPPM 400 W
Power Dissipation on innite heat
sink at TA=50OCPM(AV) 3.3 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3) IFSM 40 A
Maximum Instantaneous Forward
Voltage at 25A for Unidirectional
only (Note 4)
VF3.5V/6.5 V
Operating Junction and Storage
Temperature Range TJ, TSTG -65 to 150 °C
Typical Thermal Resistance Junction
to Lead RuJL 30 °C/W
Typical Thermal Resistance Junction
to Ambient RuJA 120 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2 .
2. Mounted on 0.2x0.2” (5.0 x 5.0mm) copper pad 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 VBR _
<
200V and VF<6.5V for VBR _
>
201V.
AGENCY AGENCY FILE NUMBER
E230531
P4SMA Series
RoHS
Pb
Revision: November 15, 2011, 15:54
©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Transient Voltage Suppression Diodes
2
Surface Mount – 400W > P4SMA series
P4SMA Series
Please refer to http://www.Littelfuse.com/series/P4SMA.html for current information.
Electrical Characteristics
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
Approval
UNI BI MIN MAX
P4SMA6.8A P4SMA6.8CA 6V8A 6V8C 5.80 6.45 7. 1 4 10 10.5 39.0 1000 X
P4SMA7.5A P4SMA7.5CA 7V5A 7V5C 6.40 7. 1 3 7.88 10 11. 3 36.3 500 X
P4SMA8.2A P4SMA8.2CA 8V2A 8V2C 7.02 7.79 8.61 10 12.1 33.9 200 X
P4SMA9.1A P4SMA9.1CA 9V1A 9V1C 7.78 8.65 9.55 113.4 30.6 50 X
P4SMA10A P4SMA10CA 10A 10C 8.55 9.50 10.50 114.5 28.3 10 X
P4SMA11A P4SMA11CA 11A 11 C 9.40 10.50 11.60 115.6 26.3 5 X
P4SMA12A P4SMA12CA 12A 12C 10.20 11.40 12.60 116.7 24.6 5 X
P4SMA13A P4SMA13CA 13A 13C 11. 10 12.40 13.70 118.2 22.5 1 X
P4SMA15A P4SMA15CA 15A 15C 12.80 14.30 15.80 121.2 19.3 1 X
P4SMA16A P4SMA16CA 16A 16C 13.60 15.20 16.80 122.5 18.2 1 X
P4SMA18A P4SMA18CA 18A 18C 15.30 1 7. 1 0 18.90 125.5 16.1 1 X
P4SMA20A P4SMA20CA 20A 20C 1 7. 1 0 19.00 21.00 127.7 14.8 1 X
P4SMA22A P4SMA22CA 22A 22C 18.80 20.90 23.10 130.6 13.4 1 X
P4SMA24A P4SMA24CA 24A 24C 20.50 22.80 25.20 133.2 12.3 1 X
P4SMA27A P4SMA27CA 27A 27C 23.10 25.70 28.40 137.5 10.9 1 X
P4SMA30A P4SMA30CA 30A 30C 25.60 28.50 31.50 141.4 9.9 1 X
P4SMA33A P4SMA33CA 33A 33C 28.20 31.40 34.70 145.7 9.0 1 X
P4SMA36A P4SMA36CA 36A 36C 30.80 34.20 37.80 149.9 8.2 1 X
P4SMA39A P4SMA39CA 39A 39C 33.30 37.10 41.00 153.9 7.6 1 X
P4SMA43A P4SMA43CA 43A 43C 36.80 40.90 45.20 159.3 6.9 1 X
P4SMA47A P4SMA47CA 47A 47C 40.20 44.70 49.40 164.8 6.3 1 X
P4SMA51A P4SMA51CA 51A 51C 43.60 48.50 53.60 170.1 5.8 1 X
P4SMA56A P4SMA56CA 56A 56C 47.80 53.20 58.80 177.0 5.3 1 X
P4SMA62A P4SMA62CA 62A 62C 53.00 58.90 65.10 185.0 4.8 1 X
P4SMA68A P4SMA68CA 68A 68C 58.10 64.60 71.40 192.0 4.5 1 X
P4SMA75A P4SMA75CA 75A 75C 64.10 71.30 78.80 1103.0 4.0 1 X
P4SMA82A P4SMA82CA 82A 82C 70.10 77.90 86.10 1113.0 3.6 1 X
P4SMA91A P4SMA91CA 91A 91C 77.80 86.50 95.50 1125.0 3.3 1 X
P4SMA100A P4SMA100CA 100A 100C 85.50 95.00 105.00 1137.0 3.0 1 X
P4SMA110A P4SMA110CA 110A 110 C 94.00 105.00 116.00 1152.0 2.7 1 X
P4SMA120A P4SMA120CA 120A 120C 102.00 114.00 126.00 1165.0 2.5 1 X
P4SMA130A P4SMA130CA 130A 130C 111.0 0 124.00 137.00 1179.0 2.3 1 X
P4SMA150A P4SMA150CA 150A 150C 128.00 143.00 158.00 1207.0 2.0 1 X
P4SMA160A P4SMA160CA 160A 160C 136.00 152.00 168.00 1219.0 1.9 1 X
P4SMA170A P4SMA170CA 170A 170C 145.00 162.00 179.00 1234.0 1.8 1 X
P4SMA180A P4SMA180CA 180A 180C 154.00 171.00 189.00 1246.0 1.7 1 X
P4SMA200A P4SMA200CA 200A 200C 171.00 190.00 210.00 1274.0 1.5 1 X
P4SMA220A P4SMA220CA 220A 220C 185.00 209.00 231.00 1328.0 1.3 1 X
P4SMA250A P4SMA250CA 250A 250C 214.00 237.00 263.00 1344.0 1.2 1 X
P4SMA300A P4SMA300CA 300A 300C 256.00 285.00 315.00 1414.0 1.0 1 X
P4SMA350A P4SMA350CA 350A 350C 300.00 332.00 368.00 1482.0 0.9 1 X
P4SMA400A P4SMA400CA 400A 400C 342.00 380.00 420.00 1548.0 0.8 1 X
P4SMA440A P4SMA440CA 440A 440C 376.00 418.00 462.00 1602.0 0.7 1 X
P4SMA480A P4SMA480CA 480A 480C 408.00 456.00 504.00 1658.0 0.6 1
P4SMA510A P4SMA510CA 510A 510C 434.00 485.00 535.00 1698.0 0.6 1
P4SMA530A P4SMA530CA 530A 530C 477.00 503.50 556.50 1725.0 0.6 1
P4SMA540A P4SMA540CA 540A 540C 486.00 513.00 567.00 1740.0 0.5 1
P4SMA550A P4SMA550CA 550A 550C 495.00 522.50 577.50 1760.0 0.5 1
For bidirectional type having VR of 10 volts and less, the IR limit is double.
For parts without A, the VBR is ± 10%
Revision: November 15, 2011, 15:54
©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Transient Voltage Suppression Diodes
3
Surface Mount – 400W > P4SMA series
P4SMA Series
Please refer to http://www.Littelfuse.com/series/P4SMA.html for current information.
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
0.1
1
10
0.0000010.000010.0001 0.001
td-Pulse Width (sec.)
PPPM-Peak Pulse Power (kW)
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
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 ( )
0
20
40
60
80
100
0255075100 125150 175
TA-Ambient temperature (ºC)
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
1
10
100
1000
10000
1.010.0100.01000.0
Cj (pF)
Tj=25ºC
f=1.0MHz
Vsig=50mVp-p
Uni-directional V=0V
Bi-directional V=0V
VBR - Reverse Breakdown Voltage (V)
Bi-directional @VR
Uni-directional @VR
0255075100 125 150 175
PM(AV), Steady State Power Dissipation (W)
TA - Ambient Te mperature (ºC)
bargaining
3.0
0.6
1.2
1.8
3.6
2.4
0
Figure 1 - Peak Pulse Power Rating Figure 2 - Pulse Derating Curve
Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance
Figure 5 - Steady State Power Dissipation Derating Curve
0
5
10
15
20
25
30
35
40
45
110
100
I
FSM
- Peak Forward Surge Current (A)
Number of Cyles at 60 Hz
Figure 6 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
Revision: November 15, 2011, 15:54
©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Transient Voltage Suppression Diodes
4
Surface Mount – 400W > P4SMA series
P4SMA Series
Please refer to http://www.Littelfuse.com/series/P4SMA.html for current information.
Physical Specifications
Weight 0.002 ounce, 0.061 gram
Case JEDEC DO-214AC. Molded plastic body
over glass passivated junction
Polarity Color band denotes positive end
(cathode) except bidirectional
Terminal Matte Tin-plated leads, Solderable per
JESD22-B102D
Environmental Specifications
Temperature Cycle JESD22-A104
Pressure Cooker JESD22-A102
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Thermal Shock JESD22-A106
Dimensions
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
(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) (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 280°C
Dimensions Inches Millimeters
Min Max Min Max
A 0.049 0.065 1.250 1.650
B 0.157 0.177 3.990 4.500
C0.100 0.110 2.540 2.790
D 0.078 0.090 1.980 2.290
E 0.030 0.060 0.780 1.520
F - 0.008 - 0.203
G 0.194 0.208 4.930 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 -
DO-214AC (SMA)
Cathode Band
A
D
EG
F
H
C
B
(all dimensions in mm)
I
L
K
J
Solder Pads
Revision: November 15, 2011, 15:54
©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Transient Voltage Suppression Diodes
5
Surface Mount – 400W > P4SMA series
P4SMA Series
Please refer to http://www.Littelfuse.com/series/P4SMA.html for current information.
Part Numbering System
VOLTAGE
BI-DIRECTIONAL
5% VOLTA GE TOLERANCE
SERIES
P4SMA XXX CA
Packaging
Part number Component
Package Quantity Packaging
Option
Packaging
Specification
P4SMAxxxXX DO-214AC 5000 Tape & Reel – 12mm/13” tape EIA STD RS-481
Part Marking System
F
XXXX
Marking Code
Littelfuse Logo
Cathode Band
XXXXX
Trace Code Marking
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
Cathode