Seme 1N4149CSM Datasheet
SEME
LAB
MECHANICAL DATA
Dimensions in mm (inches)
1N4149CSM
SILICON EPITAXIAL
0.51 ± 0.10
2.54 ± 0.13
(0.10 ± 0.005)
(0.02 ± 0.004)
3
21
1.91 ± 0.10
(0.075 ± 0.004)
3.05 ± 0.13
(0.12 ± 0.005)
1.02 ± 0.10
A =
(0.04 ± 0.004)
0.31
(0.012)
0.76 ± 0.15
0.31
(0.012)
rad.
(0.03 ± 0.006)
rad.
1.40
(0.055)
max.
A
SOT23 CERAMIC
(LCC1 PACKAGE)
Underside View
PAD 1 — Anode PAD 2 — Not Connected PAD 3 — Cathode
ABSOLUTE MAXIMUM RATINGS (T
= 25°C unless otherwise stated)
case
Parameter Test Conditions Min. Typ. Max. Unit
V
R
V
RRM
I
F(AV)
I
F
I
FRM
I
FSM
P
tot
Reverse Voltage
Repetitive Peak Reverse Voltage
Average Rectified Forward Current
Forward Current
Repetitive Peak Forward Current
Non-Repetitive Peak Forward Current
Power Dissipation at T
amb
= 25 °C
t = 1µs
t = 1s
PLANAR DIODE
General Purpose and
Switching Diode in
Hermetic Ceramic Surface Mount
Package for
High Reliability Applications
100
100
150
200
450
2000
500
500
V
V
mA
mA
mA
mA
mW
CHARACTERISTICS (T
Parameter Test Conditions Min. Typ. Max. Unit
V
F
I
R
V
(BR)R
C
d
V
fr
t
rr
Semelab plc.
Forward Voltage
Reverse Current
Reverse Avalanche Breakdown
Voltage
Capacitance
Forward Recovery Voltage
Reverse Recovery Time
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk
= 25°C unless otherwise stated)
case
IF= 10mA
VR= 20V
VR= 20V , Tj= 150°C
IR= 100µA
IR= 5µA
VR= 0V , f = 1 MHz
IF= 50mA , tr= 20ns
IF= 10mA to IR= 60mA
RL= 100Ω
Website: http://www.semelab.co.uk
100
100
1
25
50
4
2.5
4
V
nA
µA
V
V
pF
V
ns
10/99
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