LESHAN RADIO COMPANY, LTD.
49A1/2
1 A
1A FAST RECOVERY SMA DIODES
TYPE
V
RRM
(V)
I
F
(A)
V
F
(V)
I
RMI
(
A)
I
P8M
(A)
T
rr
(ns)
Marking
Package
Dimensions
FFM101 FFM107
DO 214AC
.008
MAX
(.2)
.051(1.3)
.008(0.2)
.059(1.5)
.035(0.9)
.209(5.3)
.185(4.7)
.059(1.5)
.035(0.9)
.110(2.8)
.086(2.2)
A
B
C
D
E
F
G
H
G
H
D
E
F
A
B
C
.067(1.7)
.051(1.3)
.091(2.3)
.067(1.7)
DO 214AC
FFM101
FFM102
FFM103
FFM104
FFM105
FFM106
FFM107
FF1
FF2
FF3
FF4
FF5
FF6
FF7
50
100
200
400
600
800
1000
1.3
1.0
5.0
30
150
250
500
Trr
I
F
=1A, I
R
= 0.5A, I
RR
= 0.25A
Trr Test Conditions: I
F
= 1A, I
R
= 0.5A, I
RR
= 0.25A
LESHAN RADIO COMPANY, LTD.
49A2/2
FFM101 FFM107
1 A
RATING & CHARACTERISTIC CURVES OF 1A FAST RECOVERY SMA DIODES
FIG. 2 TYPICAL FORWARD
CURRENT DERATING CURVE
AMBIENT TEMPER ATURE, (C)
+0.5A
0
-0.25A
-1.0A
1cm
Trr
NOTES:1.Rise Time=7ns max.
Input Impedance=1megohm.22pF.
2.Rise Time=10ns max.
Source Impedance=50 ohms.
(+)
P U L S E
G E N E R AT O R
( N O T E 2 )
(-)
D.U.T.
OSCILLOSCOPE
(NOTE 1)
1
N O N .
INDUCTIVE
(+)
25Vdc
(APPROX)
(-)
50
10
NONINDUCTIVE
NONINDUCTIVE
FIG.1TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
SET TIME
A
VERAGE FOR
W
ARD CURRENT
,(A)
BASE FOR 50/100ns/cm
25
50
75
100
125
150
175
1.25
1.00
0.75
0.50
0.25
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
8.3ms Single Half Sine-Wave
(JEDEC Method)
1
5
10
50
100
50
40
30
20
10
0
.4
.6
.8
1.0
1.2
1.4
1.6
100
10
1.0
0
T
J
=25C
Pulse Width=300
s
1% Duty Cycle
.1
.2
.4
1.0
2
4
10
20
40
100
200
100
60
40
20
10
6
4
2
1
T
J
=25C
FIG. 5 TYPICAL JUNCTION CAPACITANCE
FIG. 4 MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
JUNCTION CAP
ACIT
ANCE,(pF)
REVERSE VOLTAGE,(V)
PEAK FOR
W
ARD SURGE CURRENT
,(A)
NUMBER OF CYCLES AT 60Hz
FIG. 3 TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE,(V)
INST
ANT
ANEOUS FOR
W
ARD CURRENT
, (A)
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