WTE
POWER SEMICONDUCTORS
P4SMAJ180 – P4SMAJ440CA
Pb
400W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Features
Glass Passivated Die Construction
400W Peak Pulse Power Dissipation
180V – 440V Standoff Voltage
Uni- and Bi-Directional Versions Available
Excellent Clamping Capability
Fast Response Time
Plastic Case Material has UL Flammability
Classification Rating 94V-O
B
D
A
F
C
H
G
E
Mechanical Data
Case: SMA/DO-214AC, Molded Plastic
Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
Polarity: Cathode Band Except Bi-Directional
Marking: Device Code
Weight: 0.064 grams (approx.)
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
SMA/DO-214AC
Dim
Min
Max
A
2.50
2.90
B
4.00
4.60
C
1.20
1.60
D
0.152
0.305
E
4.80
5.28
F
2.00
2.44
G
0.051
0.203
H
0.76
1.52
All Dimensions in mm
“C” Suffix Designates Bi-directional Devices
“A” Suffix Designates 5% Tolerance Devices
No Suffix Designates 10% Tolerance Devices
Maximum Ratings and Electrical Characteristics
Characteristic
Peak Pulse Power Dissipation at T
A
= 25°C (Note 1, 2, 5) Figure 3
Peak Forward Surge Current (Note 3)
Peak Pulse Current on 10/1000µS Waveform (Note 1) Figure 4
Steady State Power Dissipation (Note 4)
Typical Thermal Resistance ,Junction to Lead (Note 6)
Typical Thermal Resistance, Junction to Ambient (Note 6)
Operating and Storage Temperature Range
@T
A
=25°C unless otherwise specified
Symbol
P
PPM
I
FSM
I
PPM
P
M(AV)
R
θJL
R
θJA
T
j
, T
STG
Value
400 Minimum
40
See Table 1
1.0
30
120
-55 to +150
Unit
W
A
A
W
°C/W
°C/W
°C
Note: 1. Non-repetitive current pulse per Figure 4 and derated above T
A
= 25°C per Figure 1.
2. Mounted on 5.0mm
2
copper pad to each terminal.
3. 8.3ms single half sine-wave duty cycle = 4 pulses per minutes maximum.
4. Lead temperature at 75°C.
5. Peak pulse power waveform is 10/1000µS.
6. Mounted on minimum recommended pad layout.
P4SMAJ180 – P4SMAJ440CA
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© 2009 Won-Top Electronics
100
10000
T
j
= 25
°
C
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
75
C
J
, JUNCTION CAPACITANCE (pF)
1000
Unidirectional
50
Bidirectional
100
25
10 X 1000 Waveform
as defined by REA
0
0
25
50
75
100 125 150 175 200
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 1 Pulse Derating Curve
10
1
10
100
1000
V
WM
, STANDOFF VOLTAGE (V)
Fig. 2 Typical Junction Capacitance
100
P
d
, PEAK PULSE POWER (kW)
T
j
= 25
°
C
Non Repetitive
Pulse Waveform
Shown in Fig. 4
10
1.0
0.1
0.1
1.0
10
100
1000
10000
t
p
PULSE WIDTH (
m
s)
Fig. 3 Pulse Rating Curve
I
P
, PEAK PULSE CURRENT (%I
pp
)
t
r
= 10
µ
s
100
Peak Value I
pp
Half Value I
pp
/2
50
t
p
0
10 X 1000 Waveform
as defined by R.E.A.
0
1
2
3
t, TIME (ms)
Fig. 4 Pulse Waveform
P4SMAJ180 – P4SMAJ440CA
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© 2009 Won-Top Electronics
ORDERING INFORMATION
Product No.
P4SMAJxx-T3
1.
2.
Package Type
SMA
Shipping Quantity
7500/Tape & Reel
Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
To order RoHS / Lead Free version, add “-LF” suffix to part number
above. For example, P4SMAJ180-T3-LF.
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any
responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to
manufacturer. WTE reserves the right to change any or all information herein without further notice.
WARNING:
DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan
Phone:
886-7-822-5408 or 886-7-822-5410
Fax:
886-7-822-5417
Email:
sales@wontop.com
Internet:
http://www.wontop.com
We power your everyday.
P4SMAJ180 – P4SMAJ440CA
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© 2009 Won-Top Electronics
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