
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 40 Volts CURRENT 4.0 Amperes
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Ideal for surface mounted applications
* Low leakage current
* Metallurgically bonded construction
* Mounting position: Any
* Weight: 0.24 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
FM420
THRU
FM440
DO-214AB
MAXIMUM RATINGS
(At T
A
= 25
o
C unless otherwise noted)
ELECTRICAL CHARACTERISTICS
(At T
A
= 25
o
C unless otherwise noted)
NOTES :
1. Thermal Resistance (Junction to Ambient).
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
2
) copper pad area.
* Epoxy: Device has UL flammability classification 94V-O
Dimensions in inches and (millimeters)
2002-4
CHARACTERISTICS
Maximum Average Reverse Current
at Rated DC Blocking Voltage
V
F
SYMBOL
I
R
mAmps
mAmps
Maximum Instantaneous Forward Voltage at 4.0A DC
Volts
2.0
20
@T
A
= 25
@T
A
= 100
o
C
o
C
.55
UNITS
FM430
RATINGS
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)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
STG
V
RMS
UNITS
Volts
Volts
Volts
Amps
4.0
90
25
200
Amps
0
C/W
pF
0
C
Storage Temperature Range
I
O
-55 to + 125
Operating Temperature Range
T
J
FM430
30
21
30
-55 to + 150
0
C
R
θ
JA
0.006 (0.152)
0.012 (0.305)
0.008 (0.203)
0.004 (0.102)
0.320 (8.13)
0.305 (7.75)
0.030 (0.76)
0.060 (1.52)
0.079 (2.06)
0.103 (2.62)
0.260 (6.60)
0.280 (7.11)
0.220 (5.59)
0.245 (6.22)
0.125 (3.17)
0.115 (2.92)
MECHANICAL DATA
FM420
20
14
20
FM440
40
28
40
FM420
FM440