DATA SHEET
1N4148
SWITCHING DIODES
VOLTAGE
75 Volts
POWER
500 mWatts
DO-35
Unit: inch (mm)
FEATURES
1.02(26.0)MIN.
• Fast switching Speed.
• Electrically ldentical to Standerd JEDEC
• High Conductance
• Axial lead Package ldeally Suited for Automatic lnsertion.
• Pb free product are available :
99% Sn above can meet Rohs
environment substance
.020(0.52)TYP.
MECHANICAL DATA
• Case: Molded Glass DO-35
• Terminals: Solderable per MIL-STD-202G, Method 208
• Polarity: See Diagram Below
• Approx. Weight: 0.13 grams
• Mounting Position: Any
• Ordering information: Suffix : “ -35 ” to order DO-35 Package
• Packing information
B
- 2K per Bulk box
T/R - 10K per 13" plastic Reel
T/B - 5K per horiz. tape & Ammo box
.153(3.9)MAX.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
(T
J
=25°C unless otherwise noted)
PA R A M E TE R
R ever e Volage
s
t
P eak R ever e Volage
s
t
R M S Volage
t
1.02(26.0)MIN.
.079(2.0)MAX.
S YM B O L
1N 4148
75
100
50
UNI S
T
V
V
V
V
R
V
RM
V
RM S
M axi um A ver ge For ar C urentatTa=25
O
C A nd f>
50H z
m
a
w d
r
I
AV
150
500
500
mA
mA
mW
S ur e For ar C urentatt< 1s and Tj 25
g
w d
r
=
P ow erD i si aton atTam b= 25
s p i
O
O
C
I
FSM
C
P
TO T
V
F
M axi um For ar Volage atI =10m A
m
w d
t
F
M axi um Leakage C urent
m
r
atV
R
=20V
atV
R
=75V
T
atV
R
=20V ,
J
= 150
O
C
M axi um C apaciance ( ot 1)
m
t
N e
1.
0
25
5
50
4
V
nA
µA
µA
pF
I
R
C
J
M axi um R ever e R ecover Ti e ( ot 2)
m
s
y m N e
M axi um Ther alR esi t nce
m
m
sa
Juncton Tem per t r and S t r ge Tem per t r R ange
i
aue
oa
aue
T
RR
RθJA
4
350
- 5 t +175
6 o
O
ns
C /W
O
T
J
,
S
T
C
NOTE:
1. CJ at V
R
=0, f=1MHZ
2. From I
F
=10mA to I
R
=1mA, V
R
=6Volts, R
L
=100Ω
STAD-DEC.04.2004
PAGE . 1
RATING AND CHARACTERISTIC CURVES
A
10
2
I
v=tp / T T=1/fp
I
FRM
T
t
I
FRM
1
tp
10
V=0
V=0.1
V=0.2
10
0
V=0.3
10
10
-5
-1
10
-4
10
-3
10
-2
10
-1
10
0
10
1
S
tp
Fig.1 ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION
10
4
T
J
=25
O
C
f=1KHz
10
3
FORWARD RESISTANCE,
W
10
3
FORWARD CURRENT, mA
10
2
10
1
10
2
10
0
10
1
10
-1
10
10
-2
0
10
-2
10
-1
10
0
10
1
10
2
0
1
FORWARD VOLTAGE, VOLTS
2
FORWARD CURRENT, mA
Fig.2-DYNAMIC FORWARD RESISTANCE
VERSUS FORWARD CURRENT
Fig.3 FORWARD CHARACTERISTICS
POWER DISSIPATION, mW
1.1
500
T
J
=25
O
C
f=1KHz
300
CAPACITANCE, pF
100
200
1.0
0.9
0.8
100
0.7
0
0
2
4
6
8
1.0
AMBIENT TEMPERATURE
REVERSE VOLTAGE, VOLTS
Fig.4 DERATING CURVE
Fig.5 TYPICAL JUNCTION CAPACITANCE
STAD-DEC.04.2004
PAGE . 2
详细参数
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