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DL4748A  DL4749A  DL4747A  DL4747A  DL4746A  PAC407BCA  DL4746A  DL4749A  PAC407BCW  DL4749A  
P4SMA6.8A 瞬态电压抑制二极管 Transient Voltage Suppression Diodes
Prototype PCB
Part No.:   P4SMA6.8A
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Description:   瞬态电压抑制二极管 Transient Voltage Suppression Diodes
File Size :   957 K    
Page : 3 Pages
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Maker   dowosemi [ 东沃 ]http://www.dowosemi.com/
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  P4SMA6.8A Datasheet PDF page 2 P4SMA6.8A Datasheet PDF page 3  
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东沃电子
DOWOSEMI
P4SMA Series
Surface Mount
Transient Voltage Suppressors
SMA/ DO-214AC
P4sma Series
Breakdown Voltage: 6.8 to 600 V
Peak Pulse Power: 400 W
Features
Glass passivated chip
400 W peak pulse power capability with a
10/1000 s waveform, repetitive rate (duty
cycle):0.01 %
Low leakage
Uni and Bidirectional unit
Excellent clamping capability
Very fast response time
RoHS compliant
Case: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Solderable per MIL-STD-750, method
2026
Polarity: Color band denotes cathode end
except Bipolar
Mounting position: Any
Mechanical Data
Maximum Ratings(T
A
=25
unless otherwise noted)
Value
Symbol
P
PP
400
I
PP
See Next Table
P
D
1.0
I
FSM
V
F
T
J
, T
STG
40
3.5/5.0
–55 to +150
UNIT
W
A
W
A
V
°C
Parameter
Peak power dissipation with a 10/1000 s waveform
(1)
Peak pulse current wih a 10/1000 s waveform
(1)
Power dissipation on infinite heatsink at T
L
= 75 °C
Peak forward surge current, 8.3 ms single half sine-
wave unidirectional only
(2)
Maximum instantaneous forward voltage at 25 A for
(3)
unidirectional only
Operating junction and storage temperature range
Note:
(1)Non-repetitive current pulse per Fig.5 and derated above T
A
= 25 °C per Fig.1
(2)Measured on 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum
(3)V
F
<3.5V for devices of V
BR
<200V and V
F
<5.0V for devices of V
BR
>201V
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