1N4148W, 1N4148WS
SMALL SIGNAL DIODES
FEATURES
¨ Silicon Epitaxial Planar Diode
¨ Fast switching diodes.
¨ This diode is also available in other case styles including:
the DO-35 case with the type designation 1N4148, the
Mini-MELF case with the type designation LL4148, and
the SOT-23 case with the type designation IMBD4148.
MECHANICAL DATA
1N4148W
Case: SOD-123 Plastic Case
Weight: approx. 0.01 g
Marking Code: A2
1N4148WS
Case: SOD-323 Plastic Case
Weight: approx. 0.004 g
Marking Code: A2
MAXIMUM RATINGS
Ratings at 25¡C ambient temperature unless otherwise specified.
SYMBOL VALUE UNIT
Reverse Voltage VR 75 Volts
Peak Reverse Voltage VRM 100 Volts
Rectified Current (Average)
Half Wave Rectification with Resist. Load Io 150
(1)
mA
at Tamb = 25 ¡C and f ³ 50 HZ
Surge Forward Current at t < 1 s and Tj = 25 ¡C
1N4148W IFSM 500 mA
1N4148WS 350 mA
Power Dissipation at T
amb
= 25 ¡C
1N4148W P
tot
400
(1)
mW
1N4148WS 200
(1)
mW
Junction Temperature Tj 150 ¡C
Storage Temperature Range TS Ð 65 to +150 ¡C
NOTES:
(1) Valid provided that electrodes are kept at ambient temperature
12/22/98
.022 (0.55)
m
a
x
.
.
004 (0.
1)
.
112 (2.
85)
.
152 (3.
85)
.067 (1.70)
m
a
x
.
.
053 (1.
35)
min. .010 (0.25)
Cathode Mark
m
a
x
.
.
006 (0.
15)
Top View
.
140 (3.
55)
.
100 (2.
55)
.055 (1.40)
m
a
x
.
.
006 (0.
15)
min. .010 (0.25)
.012 (0.3)
.
076 (1.95)
.
112 (2.85)
.059 (1.5)
m
a
x
.
.0
0
4
(0
.1
)
m
a
x
.
.
049 (1.
25)
Cathode Mark
Top View
.
100 (2.55)
.
0
65 (
1
.
65)
.043 (1.1)
SOD-123
(1N4148W)
SOD-323
(1N4148WS)
Dimensions in inches and (millimeters)