1N4148
Vishay Semiconductors
formerly General Semiconductor
Small-Signal Diode
Reverse Voltage
100V
Forward Current
150mA
DO-204AH (DO-35 Glass)
Features
• Silicon Epitaxial Planar Diode
• Fast switching diode.
• This diode is also available in other case styles
including the SOD-123 case with the type
designation 1N4148W, the MiniMELF case with the
type designation LL4148, the SOT-23 case with the
type designation IMBD4148, and the DO-34 case
with type designation 1N4148S.
Mechanical Data
Case:
DO-35 Glass Case
Weight:
approx. 0.13g
Packaging Codes/Options:
F2/10K per Ammo tape (52mm tape), 50K/box
F3/10K per 13” reel (52mm tape), 50K/box
Dimensions in inches and (millimeters)
Maximum Ratings and Thermal Characteristics
(T
Parameter
Reverse Voltage
Peak Reverse Voltage
Average Rectified Current
Half Wave Rectification with Resistive Load at T
amb
= 25°C
Surge Forward Current at t < 1s and Tj = 25°C
Power Dissipation at T
amb
= 25°C
(1)
Thermal Resistance Junction to Ambient Air
(1)
Junction Temperature
Storage Temperature
Symbol
V
R
V
RM
I
F(AV)
I
FSM
P
tot
R
θJA
T
j
T
S
A
= 25°C unless otherwise noted)
Limit
75
100
150
1)
500
500
350
175
–65 to +175
Unit
V
V
mA
mA
mW
°C/W
°C
°C
Note:
(1) Valid provided that leads at a distance of 8mm from case are kept at ambient temperature
Document Number 88100
07-May-02
www.vishay.com
1
1N4148
Vishay Semiconductors
formerly General Semiconductor
Electrical Characteristics
(T
Parameter
Reverse Breakdown Voltage
Forward Voltage
Leakage Current
J
= 25°C unless otherwise noted)
Symbol
V
(BR)R
V
F
I
R
Test Condition
I
R
= 100µA
I
F
= 10mA
V
R
= 20V
V
R
= 75V
V
R
= 20V, T
J
= 150°C
V
F
= V
R
= 0V
t
p
= 0.1
µ
s, Rise time < 30ns
f
p
= 5 to 100kHz
I
F
= 10mA, I
R =
1mA,
V
R
= 6V , R
L
= 100Ω
f = 100MHz, V
RF
= 2V
Min
100
—
—
—
—
—
—
—
0.45
Typ
Max
Unit
V
—
—
—
—
—
—
—
—
1.0
25
5
50
4
2.5
4
—
V
nA
µA
µA
pF
ns
ns
—
Capacitance
Voltage Rise when Switching ON
(tested with 50mA Pulses)
C
tot
V
fr
t
rr
η
½
Reverse Recovery Time
Rectification Efficiency
Rectification Efficiency Measurement Circuit
www.vishay.com
2
Document Number 88100
07-May-02
嵌入式系统
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