Chip Silicon Rectifier
FFM301 THRU FFM307
Fast recovery type
Formosa MS
SMC
0.276(7.0)
0.260(6.6)
0.012(0.3) Typ.
Features
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing Flame
Retardant Epoxy Molding Compound.
For surface mounted applications.
Exceeds environmental standards of MIL-S-19500 /
228
Low leakage current.
0.032(0.8) Typ.
0.040(1.0) Typ.
0.152(3.8)
0.144(3.6)
0.189(4.8)
0.173(4.4)
0.244(6.2)
0.228(5.8)
0.087(2.2)
0.071(1.8)
Mechanical data
Case : Molded plastic, JEDEC DO-214AB
Terminals : Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity : Indicated by c athode band
Mounting P
osition : Any
Weight : 0.00585 ounce, 0.195 gram
0.040 (1.0) Typ.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(AT T
A
=25
o
C unless otherwise noted)
PARAMETER
Forward rectified current
Forward surge current
CONDITIONS
Ambient temperature = 55
o
C
8.3ms single half sine-wave superimposed on
rate load (JEDEC methode)
V
R
= V
RRM
T
A
=
25
o
C
o
Symbol
I
O
I
FSM
MIN.
TYP.
MAX.
3.0
100
10.0
300
UNIT
A
A
uA
uA
o
Reverse current
Thermal resistance
Diode junction capacitance
Storage temperature
I
R
Rq
JA
C
J
T
STG
-55
50
60
V
R
= V
RRM
T
A
= 100 C
Junction to ambient
f=1MHz and applied 4vDC reverse voltage
C / w
pF
+150
o
C
SYMBOLS
MARKING
CODE
F31
F32
F33
F34
F35
F36
F37
V
RRM
(V)
*1
V
RMS
(V)
35
70
140
280
420
560
700
*2
V
R
*3
V
F
*4
T
RR
*5
Operating
temperature
(
o
C)
(V)
50
100
200
400
600
800
1000
(V)
(nS)
FFM301
FFM302
FFM303
FFM304
FFM305
FFM306
FFM307
50
100
200
400
600
800
1000
150
*1 Repetitive peak reverse voltage
1.3
250
500
-55 to +150
*2 RMS voltage
*3 Continuous reverse voltage
*4 Maximum forward voltage
*5 Reverse recovery time
FORMOSA [ FORMOSA MS ]
