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

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