SPICE MODEL: 1N4448WS
1N4448WS
SURFACE MOUNT FAST SWITCHING DIODE
Features
·
·
·
·
·
·
·
·
·
·
·
·
·
·
Fast Switching Speed
Ultra-Small Surface Mount Package
For General Purpose Switching Applications
High Conductance
Available in Lead Free/RoHS Compliant Version (Note 3)
H
G
A
B
D
SOD-323
Dim
A
J
Min
2.30
1.60
1.20
0.25
0.20
0.10
0°
Max
2.70
1.80
1.40
0.35
0.40
0.15
8°
Mechanical Data
Case: SOD-323
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Leads: Solderable per MIL-STD-202, Method 208
Also Available in Lead Free Plating (Matte Tin Finish annealed
over Alloy 42 leadframe). Please See Ordering Information, Note
C
5, on Page 2
Polarity: Cathode Band
Marking: See Page 2
Type Code: T5
Weight: 0.004 grams (approximate)
B
C
D
E
G
H
J
a
1.05 Typical
E
0.05 Typical
All Dimensions in mm
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Characteristic
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
@ t = 1.0s
Power Dissipation (Note 2)
Thermal Resistance Junction to Ambient Air (Note 2)
Operating and Storage Temperature Range
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
O
I
FSM
P
d
R
qJA
T
j
, T
STG
1N4448WS
100
75
53
500
250
4.0
2.0
200
625
-65 to +150
Unit
V
V
V
mA
mA
A
mW
°C/W
°C
Electrical Characteristics
Characteristic
Reverse Breakdown Voltage (Note 1)
@ T
A
= 25°C unless otherwise specified
Symbol
V
(BR)R
V
FM
Min
75
0.62
¾
¾
¾
¾
¾
¾
Max
¾
0.72
0.855
1.0
1.25
2.5
50
30
25
4.0
4.0
Unit
V
Test Condition
I
R
= 2.5mA
I
F
= 5.0mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
V
R
= 75V
V
R
= 75V, T
j
= 150°C
V
R
= 25V, T
j
= 150°C
V
R
= 20V
V
R
= 0, f = 1.0MHz
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100W
Forward Voltage (Note 1)
V
mA
mA
mA
nA
pF
ns
Peak Reverse Current (Note 1)
Total Capacitance
Reverse Recovery Time
I
RM
C
T
t
rr
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.
3. No purposefully added lead.
DS30096 Rev. 5 - 2
1 of 3
www.diodes.com
1N4448WS
ã
Diodes Incorporated
Ordering Information
Device
1N4448WS-7
Notes:
(Note 4)
Packaging
SOD-323
Shipping
3000/Tape & Reel
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
5. For Lead Free/RoHS Compliant version part number, please add "-F" suffix to the part number above. Example: 1N4448WS-7-F.
Marking Information
Type Code
T5
Cathode Band
300
100
P
d
,
POWER DISSIPATION (mW)
I
F
, FORWARD CURRENT (mA)
Ta = 25°C
200
10
Ta = 50°C
Ta = 85°C
100
1
Ta = 0°C
Ta = -30°C
0
0
25
50
75
125
125
150
0.1
0
200
400
600
800
1000
AMBIENT TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
10.0
2.5
V
F
, FORWARD VOLTAGE (mV)
Fig. 2 Typical Forward Characteristics
t
rr
, REVERSE RECOVERY TIME (nS)
Ta = 100°C
2.0
1.0
Ta = 75°C
1.5
0.10
Ta = 50°C
Ta = 25°C
Ta = 0°C
1.0
0.01
Ta = -30°C
0.5
0
0.001
0
20
40
60
80
V
R
, REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
0
2
4
6
8
10
I
F
, FORWARD CURRENT (mA)
Fig. 4 Reverse Recovery Time vs.
Forward Current
DS30096 Rev. 5 - 2
2 of 3
www.diodes.com
1N4448WS
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