FORMOSA FM4933

Chip Silicon Rectifier
FM4933 THRU FM4937
Fast recovery type
Features
PATENT PUBLICATION NO. 37116
SMA
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing Flame
Retardant Epoxy Molding Compound.
0.185(4.8)
0.177(4.4)
0.012(0.3) Typ.
For surface mounted applications.
0.110(2.8)
0.094(2.4)
Exceeds environmental standards of MIL-S-19500 /
228
0.165(4.2)
0.150(3.8)
Low leakage current.
0.067(1.7)
0.060(1.5)
0.040(1.0) Typ.
Mechanical data
0.040 (1.0) Typ.
Dimensions in inches and (millimeters)
Case : Molded plastic, JEDEC DO-214AC
Terminals : Solder plated, s olderable per MIL-STD-750,
Method 2026
Polarity : Indicated by cathode band
Mounting Position : Any
Weight : 0.0015 ounce, 0.05 gram
MAXIMUM RATINGS (AT TA=25oC unless otherwise noted)
PARAMETER
CONDITIONS
Symbol
o
Forward rectified current
Ambient temperature = 55 C
Forward surge current
8.3ms single half sine-wave superimposed on
rate load (JEDEC methode)
25o C
VR = VRRM TA =
Reverse current
MAX.
UNIT
IO
1.0
A
IFSM
30
A
5.0
uA
100
Junction to ambient
Diode junction capacitance
Rq JA
f=1MHz and applied 4vDC reverse voltage
TJ
V RRM
*1
V RMS
*2
VR
*3
(V)
(V)
(V)
FM4933
F93
50
35
50
FM4934
F94
100
70
100
FM4935
F95
200
140
200
FM4936
F96
400
280
400
FM4937
F97
600
420
600
VF
*4
(V)
T RR
*5
(nS)
uA
o
75
CJ
Storage temperature
MARKING
CODE
TYP.
IR
VR = VRRM TA = 100o C
Thermal resistance
SYMBOLS
MIN.
C / w
15
-55
pF
+150
o
C
Operating
temperature
(o C)
*1 Repetitive peak reverse voltage
*2 RMS voltage
*3 Continuous reverse voltage
1.2
200
-55 to +150
*4 Maximum forward voltage
*5 Reverse recovery time
Test condition : IF =1.0A, VR =30V
RATING AND CHARACTERISTIC CURVES (FM4933 THRU FM4937)
FIG.1-TYPICAL FORWARD
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
CHARACTERISTICS
10
3.0
1.0
1.2
1.0
0.8
Single Phase
0.6
Half Wave 60Hz
Resistive Or Inductive Load
0.4
0.2
0
0
20
40
60
Tj=25 C
80
100
120
140
160
180
200
AMBIENT TEMPERATURE,( C)
Pulse Width 300us
1% Duty Cycle
0.1
.01
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLTAGE,(V)
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
10K
2W
1
8
115Va
60Hz
2
7
3
30 W/50W
NON-INDUCTIVE
R1
3W
25W
UNIT
UNDER TEST
6
C P CLARE
HPG1002
4
5
1 AMP
SLO-BLO
FUSE
30Vdc
CONSTANT VOLTAGE
SUPPLY
C1
1.0mF
300V
A
R2
1W /10W
NONINDUCTIVE
+10
0
30
8.3ms Single Half
Tj=25 C
Sine Wave
20
JEDEC method
10
5
50
10
100
NUMBER OF CYCLES AT 60Hz
C1
1.0mF
300V
Zout 11/2WMAX.
DC To 2KHz
FIG.5-TYPICAL JUNCTION CAPACITANCE
35
C FOR RECTIFIER
IFM 1.0
i(t)
40
1
R2- TEN 1W 10W 1% CARBON CORE
IN PARALLEL
TA= 25
50
0
1.0Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX.
MINIMIZE ALL LEAD LENGTHS
A-TEKTRONIX 545A. K PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
R1- ADJUSTED FOR 14 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE=3.8mH
PEAK FORWARD SURGE CURRENT,(A)
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
di/dt=50A/mS
trr
0
JUNCTION CAPACITANCE,(pF)
INSTANTANEOUS FORWARD CURRENT,(A)
50
30
25
20
15
10
5
IRM(REC) 2.0
0
1cm
.01
.05
.1
.5
1
SET TIME BASE FOR
50 / 100ns / cm
REVERSE VOLTAGE,(V)
5
10
50
100