RECTRON FM440

FM420
RECTRON
THRU
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FM440
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 40 Volts CURRENT 4.0 Amperes
FEATURES
*
*
*
*
*
Ideal for surface mounted applications
Low leakage current
Metallurgically bonded construction
Mounting position: Any
Weight: 0.24 gram
DO-214AB
MECHANICAL DATA
* Epoxy: Device has UL flammability classification 94V-O
0.125 (3.17)
0.115 (2.92)
0.245 (6.22)
0.220 (5.59)
0.280 (7.11)
0.260 (6.60)
0.012 (0.305)
0.006 (0.152)
0.103 (2.62)
0.079 (2.06)
0.060 (1.52)
0.030 (0.76)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
0.008 (0.203)
0.004 (0.102)
o
Ratings at 25 C ambient temperature unless otherwise specified.
0.320 (8.13)
0.305 (7.75)
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted)
SYMBOL
FM420
FM430
FM440
UNITS
Maximum Recurrent Peak Reverse Voltage
VRRM
20
30
40
Volts
Maximum RMS Voltage
VRMS
14
21
28
Volts
VDC
20
30
40
Volts
RATINGS
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at Derating Lead Temperature
IO
4.0
Amps
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
I FSM
90
Amps
Typical Thermal Resistance (Note 1)
RθJA
25
0
Typical Junction Capacitance (Note 2)
CJ
200
Operating Temperature Range
TJ
-55 to + 125
0
C
T STG
-55 to + 150
0
C
Storage Temperature Range
C/ W
pF
ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted)
CHARACTERISTICS
SYMBOL
Maximum Instantaneous Forward Voltage at 4.0A DC
Maximum Average Reverse Current
@T A = 25 o C
at Rated DC Blocking Voltage
@T A = 100 o C
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.
VF
IR
FM420
FM430
FM440
UNITS
.55
Volts
2.0
mAmps
20
mAmps
2002-4
RATING AND CHARACTERISTIC CURVES ( FM420 THRU FM440 )
FIG. 1 - TYPICAL FORWARD CURRENT
FIG. 2 - TYPICAL REVERSE CHARACTERISTICS
DERATING CURVE
INSTANTANEOUS REVERSE CURRENT, (mA)
AVERAGE FORWARD CURRENT, (A)
6.0
5.0
4.0
Single Phase
Half Wave 60Hz
Resistive of
Inductive LoadP.C.B Mounted on
0.4X0.4"(10X10mm)
copper pad areas
3.0
2.0
P.C.B Mounted on
0.4X0.4"(10X10mm)
copper pad areas
1.0
TJ = 125
1.0
TJ = 75
.1
TJ = 25
.01
.001
0
0
25
50
75
100
125
LEAD TEMPERATURE, ( )
150
JUNCTION CAPACITANCE, (pF)
TJ = 25
Pulse Width = 300uS
1% Duty Cycle
10
1.0
.1
.2
0
20
40
60
.3
.4
.5
.6
.7
.8
.9
INSTANTANEOUS FORWARD VOLTAGE, (V)
120
140
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
TJ = 25
200
100
50
20
10
5
.1
.2
.5
1
2
5
10 20
REVERSE VOLTAGE, (V)
120
105
TL = 75
8.3ms Single Half Sine-Wave
(JEDEC Method)
90
75
60
45
30
1
100
500
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
15
80
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
20
PEAK FORWARD SURGE CURRENT, (A)
INSTANTANEOUS FORWARD CURRENT, (A)
10
2
5
10
20
50
NUMBER OF CYCLE AT 60Hz
100
40
Mounting Pad Layout
0.185 MAX.
(4.69 MAX.)
0.121 MIN.
(3.07 MIN.)
0.060 MIN.
(1.52 MIN.)
0.320 REF
Dimensions in inches and (millimeters)
RECTRON