1N4448WS
Lead-free
SURFACE MOUNT FAST SWITCHING DIODE
Features
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
Fast Switching Speed
Ultra-Small Surface Mount Package
For General Purpose Switching Applications
High Conductance
Lead Free/RoHS Compliant (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
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
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
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
C
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
Value
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)
Forward Voltage
@ T
A
= 25°C unless otherwise specified
Symbol
V
(BR)R
V
FM
Min
75
0.62
¾
¾
¾
Max
¾
0.72
0.855
1.0
1.25
2.5
50
30
25
4.0
4.0
Unit
V
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
Peak Reverse Current (Note 1)
Total Capacitance
Reverse Recovery Time
I
RM
C
T
t
rr
¾
¾
¾
mA
mA
mA
nA
pF
ns
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. 8 - 2
1 of 3
www.diodes.com
1N4448WS
ã
Diodes Incorporated
Ordering Information
Device
1N4448WS-7-F
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.
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. 8 - 2
2 of 3
www.diodes.com
1N4448WS
4
f = 1MHz
C
T
, TOTAL CAPACITANCE (pF)
3
2
1
0
0
1
2
3
4
5
6
V
R
, REVERSE VOLTAGE (V)
Fig. 5 Total Capacitance vs.
Reverse Voltage
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither
does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will
agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the
President of Diodes Incorporated.
DS30096 Rev. 8 - 2
3 of 3
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1N4448WS
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