P4SMA SERIES
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR POWER 400 Watts
BREAK DOWN VOLTAGE
FEATURES
• Glass passivated junction
• Low inductance
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
• High temperature soldering : 260°C /10 seconds at terminals
• Lead free in comply with EU RoHS 2011/65/EU directives
• Green molding compound as per IEC61249 Std. . (Halogen Free)
0
.
012(0
.
305)
0
.
006(0.152)
0.062(1.60)
0.047(1.20)
0.181(4.60)
0.157(4.00)
0.114(2.90)
0.098(2.50)
0.008(0.203)
0.002(0.051)
0.208(5.28)
0.188(4.80)
6.8 to 250 Volts
• For surface mounted applications in order to optimize board space
MECHANICAL DATA
• Case: JEDEC DO-214AC,Molded plastic over passivated junction.
• Terminals: Solder plated,solderable per MIL-STD-750, Method 2026
• Polarity: Color band denotes cathode end
• Standard Packaging:12mm tape (EIA-481)
• Weight: 0.002 ounce, 0.064 gram
0.060(1.52)
0.030(0.76)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA Suffix for types P4SMA6.8 thru types P4SMA250.
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Rating
Peak Pulse Power Dissipation on T
A
= 25
O
C (Notes 1,2,5, Fig.1)
Peak Forward Surge Current per Fig.5 (Notes 3)
Peak Pulse Current on 10/1000μs waveform (Notes 1)Fig.2
Typical Thermal Resistance Junction to Air (Notes 2)
Operating Junction and Storage Temperature Range
Symbol
P
PP
I
FSM
I
PPM
R
θJA
T
J
,T
STG
Value
400
40
see Table 1
70
-55 to +150
Units
Watts
Amps
Amps
O
C/W
O
C
NOTES :
1. Non-repetitive current pulse, per Fig.3 and derated above T
A
= 25
O
C per Fig. 2.
2. Mounted on 5mm
2
copper pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle = 4 pulses per minutes maximum.
4. Lead temperature at 75
O
C = T
L
.
5. Peak pulse power waveform is 10/1000
μs.
6.
A transient suppressor is selected according to the working peak reverse voltage (V
RWM
), which should be equal to or greater than the DC
or continuous peak operating voltage level.
November 22,2012-REV.06
PAGE . 1
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