FORMOSA 1N4148

1N4148/1N4448
F ORMOSA MS
High-speed switching diode
Features
1.
High reliability
2.
High speed (t rr= 4 ns)
Applications
Extreme fast switches
Construction
Silicon epitaxial planar
Absolute Maximum Ratings
Tj=25?
Parameter
Test Conditions
Repetitive peak reverse voltage
Reverse voltage
Peak forward surge current
tp=1µ s
Repetitive peak forward voltage
Forward current
Type
Symbol
Value
Unit
VRRM
100
V
VR
75
V
IFSM
2
A
IFRM
500
mA
IF
300
mA
Average forward current
VR =0
IFAV
150
mA
Power dissipation
I=4mm TL= 25?
PV
500
mW
Tj
175
?
Tstg
-65~+175
?
Junction temperature
Storage temperature range
Maximum Thermal Resistance
Tj=25?
Parameter
Junction ambient
Test Conditions
I=4mm TL=constant
FORMOSA MS
Symbol
Value
Unit
RthJA
350
K/W
1
1N4148/1N4448
F ORMOSA MS
Electrical Characteristics
Tj=25?
Parameter
Forward voltage
Reverse current
Test Conditions
Type
Symbol
Min
IF =5mA
1N4448
VF
0.62
IF =10mA
1N4148
VF
IF =100mA
1N4448
VF
Typ
Max
Unit
0.72
V
0.86
1
V
0.93
1
V
VR =20V
IR
25
nA
VR =20V, Tj=150?
IR
50
µ A
VR =75V
IR
5
µ A
Breakdown current
IR =100µ A,tp/T=0.01,tp=0.3ms
V(BR)
Diode capacitance
VR =0, f=1MHz, VHF =50mV
CD
Rectification efficiency
VHF =2V, f=100MHz
?
Reverse recovery time
IF = IR =10mA, iR =1mA
trr
8
ns
IF =10mA, VR =6V, iR =0.1× IR ,
trr
4
ns
R
100
V
4
pF
45
%
RL=100O
Characteristics (Tj=25? unless otherwise specified)
1N4148
1N4448
FORMOSA MS
2
1N4148/1N4448
F ORMOSA MS
Dimensions in mm
Standard Glass Case
JEDEC DO 35
FORMOSA MS
3