IMBD4448
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
A3
3
1
2
.005 (0.125)
.102 (2.6)
.094 (2.4)
Top View
.045 (1.15)
FEATURES
♦
Silicon Epitaxial Planar Diodes
♦
Fast switching diode in case SO T-23,
especial l y s ui t ed for automat i c insertion.
♦
This diode is also available in other case
styles including: the DO-35 case with the
type designation 1N4448, the Mini-MELF case with
the type designation LL4448, and the SOD-123 case
with the type designation 1N4448W
.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
Forw ard Voltage
at I
= 5 mA
F
= 100 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
IMBD4448
ELECTRICAL CHARACTERISTICS
Symbol Min. Ty p. Max. Unit
V
F
V
F
I
R
I
R
I
R
0.62
–
–
–
–
–
–
–
–
–
0.72
1
2.5
50
30
V
V
A
µ
A
µ
A
µ
Capacitance
= VR = 0
at V
F
Rev erse Recovery Time
from I
V
= 10 mA to IR = 10 mA
F
= 6 V, RL = 100
R
Ω
Thermal Resistance
Junct ion to Ambient Ai r
1)
Device on fiberg lass subs tr ate, see layout
.30 (7.5)
.12 (3)
.04 (1)
.08 (2)
.04 (1)
.59 (15 )
.03 (0.8)
.47 (12 )
0.2 (5)
.06 (1.5)
.20 (5.1)
.08 ( 2)
Dimensions in inches (millimeters)
C
t
R
rr
tot
thJA
––4pF
––4ns
– – 450
1)
K/W
Layou t f or R
thJA
test
Thickness: Fiberglass 0.059 in (1.5 mm)
Copper leads 0.012 in (0.3 mm)