SEMTECH_ELEC 1N4148WS

1N4148WS
SILICON EPITAXIAL PLANAR SMALL SIGNAL DIODE
Features
• SOD-323 package
• Fast switching
• These diodes are also available in other case
style including the DO-35 case with the type
designation 1N4148, the MiniMELF case with the
type designation LL4148 and the MicroMELF
case with the type designation MCL4148.
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
PINNING
DESCRIPTION
PIN
1
Cathode
2
Anode
2
1
W2
Top View
Marking Code: "W2"
Simplified outline SOD-323 and symbol
Symbol
Value
Unit
Peak Reverse Voltage
VRM
100
V
Reverse Voltage
VR
75
V
Average Rectified Current Half Wave
Rectification with Resistive Load f ≥ 50 Hz
IF(AV)
150
mA
Surge Forward Current (t < 1 s, Tj = 25 OC)
IFSM
350
mA
Power Dissipation
Ptot
200
Thermal Resistance from Junction to Ambient Air
RθJA
625
Tj
150
O
Tstg
- 65 to + 150
O
Junction Temperature
Storage Temperature Range
mW
C/W
O
C
C
Electrical Characteristics (Ta = 25 OC)
Parameter
Symbol
Min.
Max.
Unit
Forward Voltage
at IF = 10 mA
VF
-
1
V
Reverse Current
at VR = 20 V
at VR = 75 V
at VR = 20 V, TJ = 150 OC
IR
-
25
5
50
nA
µA
µA
Ctot
-
4
pF
Reverse Recovery Time
from IF = 10 mA to IR = 1 mA, VR = 6 V, RL = 100 Ω
trr
-
4
ns
Voltage Rise when Switching On (tested with 50 mA Pulses
tp = 0.1 μs, Rise Time < 30 ns, fp = 5 to 100 KHz)
Vfr
-
2.5
V
Rectification Efficiency
at f = 100 MHz, VRF = 2 V
ηv
0.45
-
-
Capacitance
at VF = VR = 0 V
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/04/2009
1N4148WS
Dynamic forward resistance
vs. forward current
Forward characteristics
4
3
10
10
2
2
3
Tj=25 C
f=1kHz
5
10
10
Tj=25 C
2
2
)
Tj=100 C
rF (
I F ( m A)
5
10
1
10
5
2
10-2
10
-1
2
5
10
0
1
1
10-2
2
10-1
VF (V)
1
102
10
I F (mA)
Reverse capacitance vs. reverse voltage
Amissible repetitive peak forward current vs. pulse duration
Tj=25 C
f=1MHz
1.1
100
5
4
3
2
10
I FRM (A)
Ctot (VR)
Ctot (0 V)
1.0
0.9
0.8
V=0
5
4
3
2
0.1
0.2
1
0.5
5
4
3
2
0.7
0
2
4
6
8
10
0.1
10-5
2
5
-4 2
10
VR (V)
5
-3 2
10
5
10-2
2
5
-1 2
10
5
1
2
5
tp (s)
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/04/2009
10
1N4148WS
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
SOD-323
A
c
HE
A
D
E
bp
UNIT
A
bp
C
D
E
HE
mm
1.10
0.80
0.40
0.25
0.15
0.00
1.80
1.60
1.35
1.15
2.80
2.30
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/04/2009
1N4148WS
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
SOD-323
Q
A
A1
c
Lp
HE
A
D
E
b
UNIT
A
A1
bp
C
D
E
HE
Lp
Q
mm
1.10
0.80
0.1
0
0.40
0.25
0.15
0.00
1.80
1.60
1.35
1.15
2.80
2.30
0.50
0.10
0.15
REF.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/04/2009