P4SMA SERIES
DATA SHEET
TRANSIENT VOLTAGE SUPPRESSORS – P4SMA SERIES
FEATURE
For surface mounted applications in order to optimize board space.
Low profile package.
Built-in strain relief.
Glass passivated junction.
Low inductance.
Excellent clamping capability.
SMA/DO-214AC
Repetition Rate (duty cycle):0.01%.
Fast response time: typically less than 1.0ps from 0 Volts to VBR for unidirectional types.
Typical IR less than 1μA above 10V.
High Temperature soldering: 260°C/10 seconds at terminals.
MECHANICAL DATE
Case: JEDEC DO214AC. Molded plastic over glass passivated junction.
Terminal: Solder plated, solderable per MIL-STD-750, Method 2026.
Polarity: Color band denoted positive end (cathode) except Bidirectional.
Standard Packaging: 12mm tape (EIA STD RS-481).
Weight: 0.002 ounce, 0.061 grams.
DEVICES FOR BIPOLAR APPLICATION
For bidirectional use CA suffix for types P4SMA6.8CA thru types P4SMA550CA, electrical characteristics apply
in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
RATING
Peak Pulse Power Dissipation on 10/1000 s waveform
(Note1,Note2, Fig.1).
Peak Pulse Current of on 10/1000 s waveform.(Note1,Fig.3)
Steady State Power Dissipation at T
L
=75
(9.5mm) (Note2,Fig.5).
,Lead lengths.375”,
SYMBOL
P
PPM
I
PPM
P
M(AV)
I
FSM
T
J
, T
STG
VALUE
Minimum 400
See Table
3.3
40
-65 to +150
UNITS
Watts
Amps
Watts
Amps
Peak Forward Surge Current,8.3ms Single Half Sine-Wave
Superimposed on Rated Load, (JEDEC Method) (Note 3,Fig.6).
Operating junction and Storage Temperature Range.
Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25 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.
Revision:30-Nov-11
www.brightking.com
P4SMA SERIES
RATINGS AND CHARACTERISTIC CURVES
Figure 1 - Peak Pulse Power Rating Curve
10
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
P
PPM
-Peak Pulse Power (kW)
(TA=25
unless otherwise noted)
Figure 2 - Pulse Derating Curve
100
80
60
1
40
20
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
0.1
0.000001
0
0.00001
0.0001
0.001
0
25
50
75
100
125
150
175
t
d
-Pulse Width (sec.)
T
A
-Ambient temperature (ºC)
Figure 3 - Pulse Waveform
150
I
PPM
- Peak Pulse Current, % I
RSM
tr=10μsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Figure 4 - Typical Junction Capacitance
10000
Bi-directional V=0V
1000
Cj (pF)
Uni-directional @V
R
Uni-directional V=0V
100
Half Value
IPPM
IPPM
2
( )
10/1000μsec. Waveform
as defined by R.E.A
100
Bi-directional @V
R
50
10
Tj=25ºC
f=1.0MHz
Vsig=50mVp-p
0
td
0
1.0
2.0
t-Time (ms)
3.0
4.0
1
1.0
10.0
100.0
1000.0
V
BR
- Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Dissipation Derating Curve
Figure 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
45
I
FSM
- Peak Forward Surge Current (A)
P
M(AV)
, Steady State Power Dissipation
(W)
1.2
1
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
175
40
35
30
25
20
15
10
5
0
1
10
Number of Cyles at 60 Hz
100
T
A
- Ambient Temperature (ºC)
Revision:30-Nov-11
www.brightking.com
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