General Semiconductor IMBD4148 Datasheet
IMBD4148
Small Signal Diodes
SOT-23
.122 (3.1)
.118 (3.0)
.016 (0.4)
3
12
.037(0.95).037(0.95)
.016 (0.4) .016 (0.4)
Dimensions in inches and (millimeters)
Top View
)
.056 (1.43
max. .004 (0.1)
)
.052 (1.33
.007 (0.175)
Marking
A2
3
Top View
1
2
.005 (0.125)
.102 (2.6)
.094 (2.4)
.045 (1.15)
FEATURES
Silicon Epitaxial Planar Diodes
♦
Fast switching diode in case
♦
SOT- 23, especially suited for
automatic ins ertio n.
This diode is also avail able 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 SOD-123
case with the type designation 1N4148W
.037 (0.95)
SOT-23 Plastic Package
Case:
Weight:
MECHANICAL DATA
approx. 0.008 g
Ratings at
Rev erse Volt age V
Peak Reverse Voltage V
Rectified Current (Average)
Half Wa ve Rectification with Resi st . Load
at T
amb
Surge Forw ard Current at t < 1 s and T
Power Dissipation at T
Junction Temperature T
Storage Temperature Range T
1)
Device on fiberglas s subs tr at e, see layout
ambient temperature unless otherwise specified
25 °C
= 25 °C and ≥ f ≥ 50 Hz
= 25 °C P
amb
= 25 °C I
j
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Symbol Value Unit
75 V
100 V
1)
150
mA
500 mA
1)
350
mW
150 °C
–65 to +150 °C
I
0
FSM
R
RM
tot
j
S
4/98
Ratings at
ambient temperature unless otherwise specified
25 °C
IMBD4148
ELECTRICAL CHARACTERISTICS
Symbol Min. Ty p. Max. Unit
Forward Volt age
= 10 mA
at I
F
Leakage Current
= 70 V
at V
R
= 70 V, Tj = 150 °C
at V
R
= 25 V, Tj = 150 °C
at V
R
Capacitance
= VR = 0
at V
F
Reverse Recovery Time
from I
V
= 10 mA to IR = 10 mA
F
= 6 V, RL = 100
R
Ω
Thermal Resistance
Junction to Ambient Air
1)
Device on fiber glass sub st rate, see layout
.30 (7.5)
.12 (3)
.04 (1)
.08 (2)
.04 (1)
.59 (15)
.03 (0.8)
.47 (12)
.08 (2)
V
I
I
I
C
t
R
R
R
R
rr
F
tot
thJA
––1
–
–
–
–
–
–
2.5
50
30
V
A
µ
A
µ
A
µ
––4pF
––4ns
– – 450
1)
K/W
0.2 (5)
Layout f or R
thJA
.06 (1.5)
.20 (5.1)
test
Dimensions in inches (millimeters)
Thickness: Fiberglass 0.059 in (1.5 mm)
Copper leads 0.012 in (0.3 mm)
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