CHENMKO ENTERPRISE CO.,LTD
GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE-6.8 TO 200 VOLTS
400 WATTS PEAK POWER 1.0 WATT STEADY STATE
FEATURES
Plastic package
400W surge capability at 1ms
Glass passivated chip junction in SMA Package
Excellent clamping capability
Low Zener lmpedance
Fast response time: typically less than 1.0ps
from 0 volts to BV min.
* Typical IR less than 1 uA above 10V
* High temperature soldering guaranteed :
260
o
C/10 seconds at terminals
*
*
*
*
*
*
P4SSMJ
SERIES
SMA
0.110(2.80)
0.094(2.40)
(1)
0.065(1.65)
0.049(1.25)
0.181(4.60)
0.165(4.20)
(2)
MECHANICAL DATA
Case:
JEDEC SMA molded plastic
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.002 ounce, 0.064 gram
0.090(2.30)
0.075(1.90)
0.060(1.52)
0.030(0.76)
0.212(5.40)
0.189(4.80)
0.012(0.310)
0.006(0.150)
0.008 (0.203)(max)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 H
Z
, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
SMA
DEVICES FOR BIDIRECTIONAL APPLICATIONS
For Bidirectional use C or CA Suffix for types P4SSMJ6.8A thru types P4SSMJ200A
Electrical characteristics apply in both directions.
MAXIMUM RATINGES
( At T
A
= 25
o
C unless otherwise noted )
RATINGS
SYMBOL
VALUE
UNITS
Peak Power Dissipation at T
A
= 25 C, Tp = 1ms ( Note1 )
o
P
PK
Minimum 400
Watts
Steady State Power Dissipation at T
L
= 75
o
C
P
D
1.0
Watts
Peak Forward Surge Current 8.3ms Single Half
Sine-Wave Superimposed on Rated Load ( Note 2 )
I
FSM
40
Amps
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +175
o
C
NOTES : 1. Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25
o
C per Fig. 2.
2. 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum.
3. PC Board Mounted on 0.2 X 0.2" ( 5 X 5mm ) copper pad area
2003-01
CHENMKO [ CHENMKO ENTERPRISE CO. LTD. ]
