Surface Mount Transient Voltage Suppressors (TVS)
Revision April 24, 2018
1 / 6
@ UN Semiconductor Co., Ltd. 2018
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
P4SMA Series 6.8 To 600 V 400W
UN Semiconductor Co., Ltd. www.unsemi.com.tw
The P4SMA series is designed specifically to protect sensitive electronic
equipment from voltage transients induced by lightning and other transient
voltage events.
Uni-directional Bi-directional
u For surface mounted applications in order to optimize board space
u Low leakage
u Uni and Bidirectional unit
u Glass passivated junction
u Low inductance
u Excellent clamping capability
u 400W Peak power capability at 10 × 1000µs waveform Repetition rate
(duty cycle):0.01%
u Fast response time: typically less than 1.0ps from 0 Volts to V
BR
min
u Typical I
R
less than 5μA above 12V.
u High Temperature soldering: 260°C/40 seconds at terminals
u Typical maximum temperature coefficient ΔV
BR
= 0.1% ×
V
BR
@25°C× ΔT
u Plastic package has Underwriters Laboratory Flammability 94V-0
u Matte tin lead–free Plated
u Halogen free and RoHS compliant
u Typical failure mode is short from over-specified voltage or current
u Whisker test is conducted based on JEDEC JESD201A per its table
4a and 4c
u IEC-61000-4-2 ESD 15kV(Air), 8kV (Contact)
u ESD protection of data lines in accordance with IEC 61000-4-2
(IEC801-2)
u EFT protection of data lines in accordance with IEC 61000-4-4
(IEC801-4)
TVS devices 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.
Parameter Symbol Value Unit
Peak Pulse Power Dissipation with a 10/1000µs waveform (Fig.1)(Note
1), (Note 2)
P
PPM
400 Watts
Peak Pulse Current with a 10/1000µs waveform.(Note1,Fig.3) I
PP
See Next Table Amps
Power Dissipation on Infinite Heat Sink at T
L
=75°C P
M(AV)
1.0 Watt
Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) I
FSM
40 Amps
Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only
(Note 4)
V
F
3.5/5.0 Voltage
Operating junction and Storage Temperature Range. T
J
, T
STG
-55 to +150 °C
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25°C per Fig. 2.
2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.
4. V
F
< 3.5V for V
BR
< 200V and V
F
< 6.5V for V
BR
> 201V.
Functional Diagram
Applications
Maximum Ratings
(T
A
=25
℃
Description
Features
Bi-directional
Uni-direction
Cathode
Anode
Surface Mount Transient Voltage Suppressors (TVS)
Revision April 24, 2018
2 / 6
@ UN Semiconductor Co., Ltd. 2018
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
P4SMA Series 6.8 To 600 V 400W
UN Semiconductor Co., Ltd. www.unsemi.com.tw
Part Number Marking
Breakdown
Voltage V
BR
(V)
@I
T
Uni Bi Uni Bi
Reverse
Stand-Off
Voltage
V
RWM
(V)
MIN MAX
Test
Current
I
T
(mA)
Maximum
Clamping
Voltage
V
C
@I
PP
(V)
Maximum
Peak
Pulse
Current
I
PP
(A)
Maximum
Reverse
Leakage I
R
@V
RWM
(μ
A
)
P4SMA6.8A
P4SMA6.8CA
6V8A
6V8C
5.8 6.46 7.14 10 10.5 38.10 1000
P4SMA7.5A
P4SMA7.5CA
7V5A
7V5C
6.4 7.13 7.88 10 11.3 35.40 500
P4SMA8.2A
P4SMA8.2CA
8V2A
8V2C
7.0 7.79 8.61 10 12.1 33.06 200
P4SMA9.1A
P4SMA9.1CA
9V1A
9V1C
7.8 8.65 9.56
1
1
13.4 29.85 50
P4SMA10A P4SMA10CA
10A 10C 8.6 9.50 10.50 1 14.5 27.59 10
P4SMA11A P4SMA11CA
11A 11C 9.4 10.45 11.55 1 15.6 25.64 5
P4SMA12A P4SMA12CA
12A 12C 10.2 11.40 12.60
1
1
16.7 23.95 5
P4SMA13A P4SMA13CA
13A 13C 11.1 12.35 13.65 1 18.2 21.98 5
P4SMA15A P4SMA15CA
15A 15C 12.8 14.25 15.75
1
1
21.2 18.87 5
P4SMA16A P4SMA16CA
16A 16C 13.6 15.20 16.80 1 22.5 17.78 5
P4SMA18A P4SMA18CA
18A 18C 15.3 17.10 18.90
1
1
25.2 15.87 5
P4SMA20A P4SMA20CA
20A 20C 17.1 19.00 21.00 1 27.7 14.44 5
P4SMA22A P4SMA22CA
22A 22C 18.8 20.90 23.10
1
1
30.6 13.07 5
P4SMA24A P4SMA24CA
24A 24C 20.5 22.80 25.20 1 33.2 12.05 5
P4SMA27A P4SMA27CA
27A 27C 23.1 25.65 28.35
1
1
37.5 10.67 5
P4SMA30A P4SMA30CA
30A 30C 25.6 28.50 31.50 1 41.4 9.66 5
P4SMA33A P4SMA33CA
33A 33C 28.2 31.35 34.65
1
1
45.7 8.75 5
P4SMA36A P4SMA36CA
36A 36C 30.8 34.20 37.80 1 49.9 8.02 5
P4SMA39A P4SMA39CA
39A 39C 33.3 37.05 40.95
1
1
53.9 7.42 5
P4SMA43A P4SMA43CA
43A 43C 36.8 40.85 45.15 1 59.3 6.75 5
P4SMA47A P4SMA47CA
47A 47C 40.2 44.65 49.35
1
1
64.8 6.17 5
P4SMA51A P4SMA51CA
51A 51C 43.6 48.45 53.55 1 70.1 5.71 5
P4SMA56A P4SMA56CA
56A 56C 47.8 53.20 58.80
1
1
77.0 5.19 5
P4SMA62A P4SMA62CA
62A 62C 53.0 58.90 65.10 1 85.0 4.71 5
P4SMA68A P4SMA68CA
68A 68C 58.1 64.60 71.40
1
1
92.0 4.35 5
P4SMA75A P4SMA75CA
75A 75C 64.1 71.25 78.75 1 103.0 3.88 5
P4SMA82A P4SMA82CA
82A 82C 70.1 77.90 86.10
1
1
113.0 3.54 5
P4SMA91A P4SMA91CA
91A 91C 77.8 86.45 95.55 1 125.0 3.20 5
P4SMA100A
P4SMA100CA
100A
100C
85.5 95.00 105.00
1
1
137.0 2.92 5
P4SMA110A
P4SMA110CA
110A
110C
94.0 104.50 115.50
1 152.0 2.63 5
P4SMA120A
P4SMA120CA
120A
120C
102.0 114.00 126.00
1
1
165.0 2.42 5
P4SMA130A
P4SMA130CA
130A
130C
111.0 123.50 136.50
1 179.0 2.23 5
P4SMA150A
P4SMA150CA
150A
150C
128.0 142.50 157.50
1
1
207.0 1.93 5
P4SMA160A
P4SMA160CA
160A
160C
136.0 152.00 168.00
1 219.0 1.83 5
P4SMA170A
P4SMA170CA
170A
170C
145.0 161.50 178.50
1
1
234.0 1.71 5
P4SMA180A
P4SMA180CA
180A
180C
154.0 171.00 189.00
1 246.0 1.63 5
P4SMA200A
P4SMA200CA
200A
200C
171.0 190.00 210.00
1
1
274.0 1.46 5
P4SMA220A
P4SMA220CA
220A
220C
185.0 209.00 231.00
1 328.0 1.22 5
P4SMA250A
P4SMA250CA
250A
250C
214.0 237.50 262.50
1
1
344.0 1.16 5
P4SMA300A
P4SMA300CA
300A
300C
256.0 285.00 315.00
1 414.0 0.97 5
P4SMA350A
P4SMA350CA
350A
350C
299.3 332.50 367.50
1
1
482.0 0.83 5
P4SMA380A
P4SMA380CA
380A
380C
324.9 361.00 399.00
1 524.4 0.76 5
P4SMA400A
P4SMA400CA
400A
400C
342.0 380.00 420.00
1
1
552.0 0.72 5
P4SMA440A
P4SMA440CA
440A
440C
376.2 418.00 462.00
1 607.2 0.66 5
P4SMA500A
P4SMA500CA
500A
500C
427.5 475.00 525.00
1
1
690.0 0.58 5
P4SMA520A
P4SMA520CA
520A
520C
444.6 494.00 546.00
1 717.6 0.56 5
P4SMA550A
P4SMA550CA
550A
550C
470.3 522.50 577.50
1
1
759.0 0.53 5
P4SMA600A
P4SMA600CA
600A
600C
513.0 570.00 630.00
1 828.0 0.48 5
Note:
1. Suffix 'A ' denotes 5% tolerance device. Without 'A' denotes 10% tolerance device
2. Add suffix 'C 'or ' CA ' after part number to specify Bi-directional devices
3. For Bi-Directional devices having V
R
of 10 volts and under, the I
R
limit is double
(T
A
=25
℃
unless otherwise noted)