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1N4148WS
PRV : 100 Volts IO : 150 mA
FEATURES :
* Silicon Epitaxial Planar Diode * Fast switching diodes. * Pb / RoHS Free
SMALL SIGNAL FAST SWITCHING DIODE
SOD-323
0.40 0.25 0.15 (max) 2.80 2.30 1.80 1.60
MECHANICAL DATA :
* Case : SOD-323 plastic Case * Weight : approx. 0.004 g * Marking Code : " W2"
1.10 0.80
1.35 1.15
Dimensions in millimeters
MAXIMUM RATINGS AND THERMAL CHARACTERISTICS
Rating at 25 C ambient temperature unless otherwise specified.
Parameter
Reverse Voltage Peak Reverse Voltage Average Rectified Current Half Wave Rectification with Resistive Load at f 50 Hz Surge Forward Current at t < 1 s and Tj = 25 C Power Dissipation at T amb = 25 C Thermal Resistance Junction to Ambient Air Junction Temperature Storage Temperature Range
Symbol
VR VRM IF(AV) IFSM Ptot RthJA Tj TSTG
25 C unless otherwise specified)
Value
75 100 150
1)
Unit
V V mA mA mW C/W C C
350 200 650 1) 150 -65 to + 150
1)
ELECTRICAL CHARACTERISTICS (Rating at Ta =
Parameter
Forward Voltage Leakage Current
Test Conditions
IF = 10 mA VR = 20 V VR = 75 V VR = 20 V, Tj =150 C VF = V R = 0 V tp = 0.1s, Rise Time < 30ns, fp = 5 to 100 kHz IF = 10 mA, I R = 1 mA, VR = 6 V, RL = 100 f = 100 MHz, VRF = 2 V
Symbol
VF IR IR IR Ctot Vfr Trr v
Min.
0.45
Typ.
-
Max.
1.0 25 5.0 50 4 2.5 4 -
Unit
V nA A A pF V ns -
Capacitance Voltage Rise when Switching On (tested with 50 mA pulses) Reverse Recovery Time Rectification Efficiency
Note : (1) Valid provided that electrodes are kept at ambient temperature.
Page 1 of 3
Rev. 06 : May 22, 2006
RATINGS AND CHARACTERISTIC CURVES (1N4148WS)
Forward charecteristics
mA 103 V 104
5
Dynamic forward resistance versus forward current
2
102
T j = 25 C f = 1 kHz
T j = 100 C T j = 25 C
103
5
iF
10
rF
2
102
5
1
2
10 10
-1
5
2
10-2
0
1
2V
1 10-2
10-1
1
10
102
mA
VF
IF
Admissible power dissipation versus ambient temperture
For conditions, see footnote in table "Absolute Maximum Ratings"
mW 1000 900 800
Relative capacitance versus reverse voltage
C tot (V R ) 1.1 C tot (0 V)
1.0
T j = 25 C f = 1 kHz
P tot
700 600 500 400 300 200 100 0 0 100 1N4148W 1N4148
0.9
0.8
0.7
T amb
200 C
0
2
4
6
VR
8
10 V
Page 2 of 3
Rev. 06 : May 22, 2006
RATINGS AND CHARACTERISTIC CURVES (1N4148WS)
Leakage Current versus junction temperature
nA 104
5
2
103
IR
5
2
102
5
2
10
5
VR = 20 V
2
1 0 100 200 C
Tj
Admissible repetitive peak forward current versus pulse duration
For conditions, see footnote in table " Absolute Maximum Ratings "
A 100 I
5 4 3
= t p /T
I FRM
T= 1/f p
I FRM
2
tp 10
5 4 3 2
n= 0
T
t
0.1 0.2
1
5 4 3 2
0.5
0.1 10-5
2 5
10-4
2
5
10-3
2
5
10-2
2
5
10-1
2
5
1
2
5
10 s
tp
Page 3 of 3
Rev. 06 : May 22, 2006

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