Features
Fast Switching Speed
·
Ultra-Small Surface Mount Package
·
For General Purpose Switching Applications
·
High Conductance
·
Mechanical Data
Case: SOD-323, Plastic
·
Case material - UL Flammability Rating
·
Classification 94V-0
Moisture Sensitivity: Level 1 per J-STD-020A
·
Polarity: Cathode Band
·
Leads: Solderable per MIL-STD-202,
·
Method 208
Marking: T5
·
Weight: 0.004 grams (approx.)
·
1N4448WS
SURFACE MOUNT FAST SWITCHING DIODE
SOD-323
Dim Min Max
A 2.30 2.70
H
A
B
C
D
G
J
a
E
B 1.60 1.80
C 1.20 1.40
D 1.05 Typical
E 0.25 0.35
G 0.20 0.40
H 0.10 0.15
J 0.05 Typical
a 0° 8°
All Dimensions in mm
Maximum Ratings
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current
Average Rectified Output Current
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
Power Dissipation (Note 2)
Thermal Resistance Junction to Ambient Air (Note 2)
Operating and Storage Temperature Range
Electrical Characteristics
Reverse Breakdown Voltage (Note 1)
Forward Voltage (Note 1)
Peak Reverse Current (Note 1)
Total Capacitance
Reverse Recovery Time
@ TA= 25°C unless otherwise specified
Characteristic Symbol 1N4448WS Unit
@ t = 1.0s
@ TA= 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
V
(BR)R
V
FM
I
RM
C
t
rr
T
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
d
R
qJA
T
j,TSTG
75 ¾ V
0.62
¾
¾
¾
¾
¾ 4.0 pF
¾ 4.0 ns
100 V
75
53 V
500 mA
250
4.0
2.0
200 mW
625 °C/W
-65 to +150 °C
I
= 2.5mA
R
= 5.0mA
I
0.72
0.855
1.0
1.25
2.5
50
30
25
mA
mA
mA
nA
V
F
I
= 10mA
F
I
= 100mA
F
I
= 150mA
F
V
R
V
R
V
R
V
R
V
R
= IR= 10mA,
I
F
I
= 0.1 x IR,RL= 100W
rr
V
mA
A
= 75V
= 75V, Tj= 150°C
= 25V, Tj= 150°C
= 20V
= 0, f = 1.0MHz
Notes: 1. Short duration test pulse used to minimize self-heating.
2. Part mounted on FR-4 PC board with minimum recommended pad layouts, which can be found on our website
at http://www/diodes.com/datasheets/ap02001.pdf.
DS30096 Rev. 4 - 2 1 of 3 1N4448WS
Ordering Information
(Note 3)
Device
1N4448WS-7
Notes: 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Packaging Shipping
SOD-323 3000/Tape & Reel
Marking Information
Type Cod
T5
Cathode Band
100
10
N (mW)
300
200
Ta=25C°
Ta=50C°
Ta=85C°
100
WER DISSIPATI
,
d
PP
0
025
50
AMBIENT TEMPERATURE ( C)
75 125 125 150
°
Fig. 1 Forward Current Derating Curve
10.0
1.0
µ
0.10
Ta = 100 C°
Ta=75 C°
Ta=50 C°
Ta=25 C°
RWARD CURRENT (mA)
F
I,F
1
0.1
0 1000
200
V , FORWARD VOLTAGE (mV)
400
F
600
Fig. 2 Typical Forward Characteristics
.5
2.0
1.5
1.0
Ta=0 C°
Ta=-30 C°
800
Ta=0C°
, REVERSE RECOVERY TIME (nS)
rr
t
0.5
I , LEAKAGE CURRENT ( A)
0.01
R
Ta=-30 C°
0.001
0
20
V , REVERSE VOLTAGE (V)
R
40
60 80
Fig. 3 Typical Reverse Characteristics
0
04
2
I , FORWARD CURRENT (mA)
F
Fig. 4 Reverse Recovery Time vs.
Forward Current
6
8
10
DS30096 Rev. 4 - 2 2 of 3 1N4448WS