LL4148
Vishay Semiconductors
formerly General Semiconductor
Small-Signal Diode
MiniMELF (SOD-80C)
Reverse Voltage 100V
Forward Current 150mA
Features
Cathode Band
• Silicon Epitaxial Planar Diode
• Fast switching diode in MiniMELF case especially suited
for automatic insertion.
• This diode is also available in other case styles including
the DO-35 case with the type designation 1N4148, the
SOD-123 case with the type designation 1N4148W, and
the SOT-23 case with the type designation IMBD4148.
.063 (1.6)
Dia.
.051 (1.3)
.019 (0.48)
.011 (0.28)
.146 (3.7)
.130 (3.3)
Mechanical Data
Case: MiniMELF Glass Case (SOD-80)
Weight: approx. 0.05g Cathode Band Color: Black
Packaging Codes/Options:
F4/10K per 13” reel (8mm tape), 50K/box
Dimensions in inches and (millimeters)
Maximum Ratings and Thermal Characteristics (T
Parameter
A
= 25°C unless otherwise noted)
Symbol
Limit
Unit
VR
75
V
VRM
100
V
IF
200
mA
Average Rectified Current: Half Wave Rectification with
Resistive Load at Tamb = 25°C f ≥ 50 Hz(1)
IF(AV)
150
mA
Surge Forward Current at t < 1s and Tj = 25°C
IFSM
500
mA
Ptot
500
mW
Thermal Resistance Junction to Ambient Air
RθJA
350
°C/W
Thermal Resistance Junction to tie-point
RθJtp
300
°C/W
Junction Temperature
Tj
175
°C
Storage Temperature
TS
–65 to +175
°C
Reverse Voltage
Peak Reverse Voltage
(1)
Forward DC Current at Tamb = 25°C
(1)
Power Dissipation at Tamb = 25°C
(2)
Electrical Characteristics (T
Parameter
J
= 25°C unless otherwise noted)
Symbol
Test Condition
Min
Typ
Max
Unit
VF
IF = 10mA
—
—
1
V
VR = 20V
—
—
25
nA
VR = 75V
—
—
5
µA
VR = 20V, TJ = 150°C
—
—
50
µA
Ctot
VF = VR = 0
—
—
4
pF
Vfr
tp = 0.1µs, Rise time < 30ns
fp = 5 to 100kHz
—
—
2.5
V
Reverse Recovery Time
trr
IF = 10mA, IR = 1mA,
VR = 6V, RL = 100Ω
—
—
4
ns
Rectification Efficiency (See third page)
ην
f = 100MHz, VRF = 2V
0.45
—
—
—
Forward Voltage
Leakage Current
Capacitance
Voltage Rise when Switching ON
(tested with 50 mA Forward Pulses)
IR
Notes: (1) Valid provided that electrodes are kept at ambient temperature
(2) Device mounted on FR4 printed-circuit board
Document Number 88212
14-May-02
www.vishay.com
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