CHENMKO ENTERPRISE CO.,LTD
SSM34APT
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 40 Volts CURRENT 3.0 Amperes
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* For surface mounted applications
* Low profile package
* Built-in strain relief
* Metal silicon junction, majority carrier conduction
* Low power loss, high efficiency
SMA-S
* High current capability, low forward voltage drop
* High surge capability
* For use in low voltage high frequency inverters, free
wheeling, and polarity protection applications
* High temperature soldering guaranteed :
260oC/10 seconds at terminals
+ 0.2
- 0.2
+ 0.2
- 0.2
2.6
1.4
+ 0.2
- 0.2
3.5
MECHANICAL DATA
Case: JEDEC SMA-S molded plastic
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Weight: 0.002 ounce 0.064 gram
+ 0.02
- 0.02
0.5
+ 0.1
- 0.1
0.975
+ 0.02
- 0.02
0.2
+ 0.02
1.08
- 0.02
+ 0.2
- 0.2
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
4.5
Ratings at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 HZ, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in millimeters
SMA-S
MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted )
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
SYMBOL
VRRM
SSM34APT
UNITS
Volts
Volts
Volts
40
28
40
VRMS
Maximum DC Blocking Voltage
VDC
Maximum Average Forward Rectified Current
IO
3.0
80
Amps
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
IFSM
CJ
Amps
pF
Typical Junction Capacitance (Note 2) (SEE FIG.4)
Typical Thermal Resistance (Note 1)
Operating Temperature Range
250
18
oC / W
oC
R
JL
TJ
TSTG
-65 to +125
-65 to +150
oC
Storage Temperature Range
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted )
CHARACTERISTICS
SYMBOL
UNITS
Volts
SSM34APT
0.38
@ IF = 1.0A
@ IF = 3.0A
Maximum Instantaneous Forward Voltage
VF
IR
0.50
0.5
30
@ TA = 25oC
@ TA = 100oC
mAmps
mAmps
2001-6
Maximum Average Reverse Current
at Rated DC Blocking Voltage
NOTES : 1. Thermal Resistance ( Junction to Lead ) : PC Board Mounted on 0.31 X 0.31" ( 8 X 8mm ) copper pad area.
2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts.