MAXIMUM RATINGS (At T
ELECTRICAL CHARACTERISTICS (At T
NOTES : 1. Thermal Resistance (Junction to Ambient).
Maximum Instantaneous Forward Voltage at 4.0A DC
Maximum Average Reverse Current
at Rated DC Blocking Voltage
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at Derating Lead Temperature
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
FEATURES
* Ideal for surface mounted applications
* Low leakage current
* Metallurgically bonded construction
* Mounting position: Any
* Weight: 0.24 gram
MECHANICAL DATA
* Epoxy: Device has UL flammability classification 94V-O
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SEMICONDUCTOR
TECHNICAL SPECIFICATION
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
3. P.C.B Monuted with 0.4X0.4” (10.0X10.0mm
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
RECTRON
VOLTAGE RANGE 20 to 40 Volts CURRENT 4.0 Amperes
o
C ambient temperature unless otherwise specified.
CHARACTERISTICS
A
= 25
RATINGS
o
C unless otherwise noted)
A
= 25
o
C unless otherwise noted)
@T
@T
A
A
2
= 25
= 100
) copper pad area.
o
C
o
C
SYMBOL
SYMBOL
V
V
R
I
T
V
FSM
RRM
RMS
I
C
T
V
I
DC
O
STG
R
J
J A
J
F
FM420
FM420
14
20
20
0.060 ( 1.52 )
0.030 ( 0.76 )
0.103 ( 2.62 )
0.079 ( 2.06 )
0.125 ( 3.17 )
0.115 ( 2.92 )
Dimensions in inches and (millimeters)
-55 to + 125
-55 to + 150
FM430
FM430
200
4.0
2.0
30
90
25
.55
20
30
21
0.320 ( 8.13 )
0.305 ( 7.75 )
0.260 ( 6.60 )
0.280 ( 7.11 )
FM420
FM440
THRU
0.008 ( 0.203 )
0.004 ( 0.102 )
0.012 ( 0.305 )
0.006 ( 0.152 )
FM440
FM440
0.245 ( 6.22 )
0.220 ( 5.59 )
40
28
40
mAmps
mAmps
UNITS
UNITS
Amps
Amps
Volts
Volts
Volts
0
Volts
2002-4
C/ W
pF
0
0
C
C