400W Surface Mount Transient
Voltage Suppressor
P4SMA6.8A - P4SMA250CA
400W Surface Mount Transient Voltage Suppressor
Features
Breakdown voltage from 6.8 to 250 volts
Low inductance, excellent clamping capability
Repetition rate(duty cycle): 0.01%
Fast response time: typically less than 1.0ps from 0v to V
BR
For unidirectional types
Typical IR less than 1 µA above 10V
High temperature soldering guaranteed:250°C/10 seconds at terminals
This series is UL recognized under component index. File number E315008
RoHS Compliant
SMA
Mechanical Data
Case:
Epoxy:
Terminals:
Polarity:
Mounting position:
Weight:
JEDEC DO-214AC (SMA) molded plastic over glass passivated junction
Meets UL 94V-0 flammability rating
Solder plated, solderable per MIL-STD-750, Method 2026
Color band denoted positive end (cathode)
Any
0.002 ounces, 0.061 gram
Maximum Ratings
(T
Ambient
=25ºC unless noted otherwise)
Symbol
P
PPM
I
PPM
I
FSM
Description
Peak Pulse Power Dissipation
on 10/1000μs Waveform
Peak Pulse current
on 10/1000μs Waveform
Peak Forward Surge Current
Operating Junction and Storage
Value
Minimum 400
See Table
40
-55 to 150
Unit
W
A
A
°C
Conditions
Non-repetitive current pulse, per FIG.3 and
derated above T
A
=25° C per FIG.2
8.3ms single half sine-wave superimposed
on rated load, (JEDEC Method) (Note 1,2)
T
J,
T
STG
Temperature Range
Note: 1.
Mounted on 5.0mm x 5.0mm (0.03mm thick) copper pads to each terminal
2.
8.3ms single half sine-wave, or equivalent square wave, Duty cycle= 4 pulses per minutes maximum.
TAITRON COMPONENTS INCORPORATED
www.taitroncomponents.com
Tel: (800)-TAITRON
Fax: (800)-TAITFAX
(800)-824-8766
(800)-824-8329
(661)-257-6060
(661)-257-6415
Rev. D/AH 2008-02-25
Page 1 of 6
400W Surface Mount Transient Voltage Suppressor
P4SMA6.8A - P4SMA250CA
Electrical Characteristics
(T
Ambient
=25ºC unless noted otherwise)
Device
Marking
Code
Reverse
Stand-
off
Voltage
Breakdown Voltage
@ Test Current.
Max.
Clamping
Voltage
@
I
PPM
Max.
Peak
Pulse
Current
Max.
Reverse
Leakage
Current
@
V
WM
Part NO.
V
BR
Min.
143
152
162
171
190
209
237
Max.
158
168
179
189
210
231
263
V
WM
Uni-Polar
P4SMA150A
P4SMA160A
P4SMA170A
P4SMA180A
P4SMA200A
P4SMA220A
P4SMA250A
Bi-Polar
P4SMA150CA
P4SMA160CA
P4SMA170CA
P4SMA180CA
P4SMA200CA
P4SMA220CA
P4SMA250CA
Uni
150A
160A
170A
180A
200A
220A
250A
Bi
150C
160C
170C
180C
200C
220C
250C
(V)
128
136
145
154
171
185
214
I
T
(mA)
1
1
1
1
1
1
1
V
C
(V)
207
219
234
246
274
328
344
I
PPM
(A)
2.0
1.9
1.8
1.7
1.5
1.3
1.2
I
D
(μA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Note:
For bi-directional type having V
WM
of 10V and less, the I
D
limit is double.
Typical Characteristics Curves
P
PPM -
Peak Pulse Power Dissipation
(
KW)
Fig.1- Peak Pulse Power Rating Curve
P
PPM
or
I
PPM,
Derating in Percentage (%)
Fig.2- Pulse Derating Curve
T
d - Pulse Width (sec.)
T
a -
Ambient Temperature (°C)
Rev. D/AH 2008-02-25
www.taitroncomponents.com
Page 3 of 6
400W Surface Mount Transient Voltage Suppressor
P4SMA6.8A - P4SMA250CA
Fig.3- Pulse Waveform
Fig.4 - Max. Non-Repetitive Forward Surge Current
Uni-directional only
I
FSM -
Peak Forward Surge Current
(A)
I
PPM -
Peak Pulse Current
(%)
T -
Time (ms)
Number of Cycles at 60Hz
P
M(AV)
Steady State Power Dissipation
(W)
Fig.5- Steady State Power Derating Curve
C
J -
Junction Capacitance (pF)
Fig.6- Typ. Junction Capacitance Uni-Directional
V
WM
– Reverse Stand-Off Voltage (V)
T
L -
Lead Temperature (°C)
Rev. D/AH 2008-02-25
www.taitroncomponents.com
Page 4 of 6
400W Surface Mount Transient Voltage Suppressor
P4SMA6.8A - P4SMA250CA
Fig.7 – Typical Reverse Leakage Characteristics
I
D
– Instantaneous Reverses
Leakage Current (µA)
V
(BR)
– Breakdown Voltage (V)
Dimensions in inches (mm)
SMA
Rev. D/AH 2008-02-25
www.taitroncomponents.com
Page 5 of 6
PCB Design
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