Pb
Lead-free
DS30396 Rev. 6 - 2
1 of 2
1N4148WT
www.diodes.com
Diodes Incorporated
1N4148WT
SURFACE MOUNT FAST SWITCHING DIODE
Case: SOD-523
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminal Connections: Cathode Band
Terminals: Finish - Matte Tin annealed over Alloy 42
leadframe. Solderable per MIL-STD-202, Method 208
Marking: T4
Ordering Information: See Last Page
Weight: 0.002 grams (approximate)
Mechanical Data
B
A
C
D
G
E
CATHODE MARK
MARKING CODE
T4
Characteristic
Symbol
Value
Unit
Non-Repetitive Peak Reverse Voltage
V
RM
100
V
Reverse Voltage
V
R
80
V
RMS Reverse Voltage
V
R(RMS)
53
V
Forward Continuous Current
I
FM
250
mA
Average Rectified Output Current
I
O
125
mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0
ms
@ t = 100ms
I
FSM
2.0
1.0
A
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +150
C
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
Min
Max
Unit
Test Conditions
Reverse Breakdown Voltage (Note 3)
V
(BR)R
75
V
I
R
= 1.0
mA
Forward Voltage
V
F
0.715
0.855
1.0
1.25
V
I
F
= 1.0mA
I
F
= 10mA
I
F
= 50mA
I
F
= 150mA
Peak Reverse Current (Note 3)
I
R
1.0
50
30
25
mA
mA
mA
nA
V
R
= 75V
V
R
= 75V, T
j
= 150
C
V
R
= 25V, T
j
= 150
C
V
R
= 20V
Total Capacitance
C
T
2.0
pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
4.0
ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100
W
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
Fast Switching Speed
Ultra-Small Surface Mount Package
For General Purpose Switching Applications
High Conductance
Lead Free By Design/RoHS Compliant (Note 1)
Qualified to AEC-Q101 Standards for High Reliability
Note: 1. No purposefully added lead.
2. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our
website at http://www.diodes.com/datasheets/ap02001.pdf.
3. Short duration pulse test used to minimize self-heating effect.
NEW
P
RODUCT
SOD-523
Dim
Min
Max
A
1.50
1.70
B
1.10
1.30
C
0.25
0.35
D
0.70
0.90
E
0.10
0.20
G
0.55
0.65
All Dimensions in mm
Features
Thermal Characteristics
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 2)
P
d
150
mW
Thermal Resistance Junction to Ambient Air (Note 2)
R
qJA
833
C/W
SPICE MODEL: 1N4148WT
DS30396 Rev. 6 - 2
2 of 2
1N4148WT
www.diodes.com
0
50
0
25
50
75
100
125
P,
P
O
WER
D
ISSIP
A
T
I
O
N
(mW)
D
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Derating Curve
A
100
200
150
150
0.1
1
0.01
0.001
0
1.5
1.0
0.5
I
,
INST
ANT
A
NEOUS
FOR
W
A
RD
CURRENT
(A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Forward Characteristics
F
T = -40C
A
T = 150C
A
T = 75C
A
T = 25C
A
T = 0C
A
0.1
1
10
100
1000
10000
0
20
40
60
80
100
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
R
I
,
INST
ANT
A
NE
O
US
REVERSE
CURRENT
(nA)
R
T = -40C
A
T = 25C
A
T = 75C
A
T = 125C
A
T = 150C
A
T = 0C
A
NEW
P
RODUCT
Notes: 4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Ordering Information
(Note 4)
Device
Packaging
Shipping
1N4148WT-7
SOD-523
3000/Tape & Reel
0.0
0.2
0.4
0.6
0.8
1.8
1.6
1.4
1.2
1.0
2.0
0
10
20
40
30
C
,
T
O
T
A
L
C
AP
ACIT
ANCE
(pF)
T
V , REVERSE VOLTAGE (V)
Fig. 4 Typical Capacitance vs. Reverse Voltage
R
f = 1.0MHz
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