221 West Industry Court ! Deer Park, NY 11729-4681 ! (631) 586-7600 FAX (631) 242-9798
World Wide Web Site - http://www.sensitron.com E-Mail Address - sales@sensitron.com
1N4148 / LL4148
FAST SWITCHING DIODE
Data Sheet 2775, Rev. -
Feat ures
" Fast Switching Speed
" Glass Package Version for High Reliability A B A A
" High Conductance
" Available in Both Through-Hole and Surface B
Mount Versions C
D C
1N4148 LL4148
Mechanical Data
" Case: DO-35, MiniMELF
" Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
" Polarity : Cathode Band
" Weight: DO-35 0.13 grams
MiniMELF 0.05 grams
" Marking: Cathode Band Only
Maximum Ratings @TA=25°C unless otherwise speci f i ed
Characteri stic Symbol Val ue Unit
Non-Repetiti ve P eak Reverse Voltage VRM 100 V
Peak Repet i t i ve Reverse Voltage
W orking Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR 75 V
RMS Reverse Voltage VR(RMS) 53 V
Forward Continuous Current (Not e 1) IFM 300 mA
Rectified Current (Average), Half Wave Rec t i ficat i on with
Resistive Load and f 50MHz (Note 1) IO 150 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0s
@ t = 1.0µs IFSM 1.0
2.0 A
Power Dissi pat i on (Note 1)
Derate Above 25°C Pd 500
1.68 mW
mW/°C
Thermal Resistance, Junction to A mbient A i r (Note 1) RθJA 300 K/W
Operating and St orage Temperature Range Tj, TSTG -65 to +175 °C
DO-35
SENSITRON
SEMI CONDUCTOR
Dim Min Max Min Max
A 25.40 — 1.000 —
B — 4.00 — 0.157
C — 0.60 — 0.024
D — 2.00 — 0.079
in mm In inch
MiniMELF
Dim MIn Max MIn Max
A 3.30 3.70 0.130 0.146
B 1.30 1.60 0.051 0.063
C 0.28 0.50 0.011 0.020
In mm In inch
221 West Industry Court ! Deer Park, NY 11729-4681 ! (631) 586-7600 FAX (631) 242-9798
World Wide Web Site - http://www.sensitron.com E-Mail Address - sales@sensitron.com
1N4148 / LL4148
FAST SWITCHING DIODE
Data Sheet 2775, Rev. -
Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
Maximum Forward Voltage VFM 1.0 V IF = 10mA
Maximum Peak Reverse Current IRM
5.0
50
30
25
µA
µA
µA
nA
V
R = 75V
V
R = 70V, Tj = 150°C
V
R = 20V, Tj = 150°C
V
R = 20V
Capacitance Cj4.0 pF VR = 0, f = 1.0MHz
Reverse Recovery Time trr4.0 ns
I
F = 10mA to IR = 1.0m A
V
R = 6.0V, RL = 100Ω
Note: 1. Di ode on Ceramic S ubstrate 10mm x 8m m x 0.7mm.



1
10
100
1000
10,000
0 100 200
I , LEAKAGE CURRENT (nA)
R
T , JUNCTION TEMPERATURE ( C)
Fig. 2, Leakage Current vs Junction Temperatur
e
j
°
V = 20V
R
10
1.0
100
1000
0.1
0.01
01
2
I , INSTANTANE
O
US F
O
RWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
F
SENSITRON
SEMI CONDUCTOR
221 West Industry Court Deer Park, NY 11729-4681 (631) 586-7600 FAX (631) 242-9798
World Wide Web - http://www.sensitron.com E-Mail Address - sales@sensitron.com
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DISCLAIMER:
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