Favorite diodes 1N4148 -THT but also SMT

SMT components are still more used even in small production batches. That´s why in our portfolio, many components can be found in both versions - THT (through-hole technology) and also SMT.

This is an archive article published 09/25/2012. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.

As the praxis has shown, both Technologies have their stable place in the production of electronics. This is also confirmed by a known fact, that the highest density of components on a single-sided PCB can be reached by a combination of SMT and THT components, when the THT components on the rear side also act as „PCB tracks“.

To many components, which we have in both SMT and THT version, we incorporated a well-known favorite diode 1N4148 in an SMT sod123 package - 1N4148W. It is a universal switching (small signal) diode with a small PN junction capacitancy, thus suitable even for fast circuits. Small leakage current ensures a minimum influence of surrounding circuitry, that´s why the 1N4148 is often used also as a protective diode for protection of digital circuits inputs. Next time, when you´ll design a device with a 1N4148, try to consider, whether an SMT version wouldn´t suit better to you - 1N4148W, LL4148 (miniMelf), TS4148 or other versions.

In case of interest, please contact us at info@soselectronic.com.

Advantages / Features:

  • universal switching diodes
  • 0,1-0,2A/75-100V
  • available in various packages
  • small junction capacitancy CT
  • small leakage current (nA)

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Additional products


1N4148 DIOTEC  
1N4148

Switching Diode 0,2A/100V DO35

Switching Diodes Through Hole

Ord. No.: 14088
Manufacturer: DIOTEC
in stock 55100 pcs
100 pcs+
300 pcs+
2000 pcs+
10000 pcs+
60000 pcs+
0,0149 €
0,0070 €
0,0057 €
0,0053 €
0,0049 €
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1N4148W DIOTEC  
1N4148W

Switching Diode 0,15A/75V 0,4W SOD123

Switching Diodes SMD

Ord. No.: 79061
Manufacturer: DIOTEC
in stock 12400 pcs
(05/27/2022: 6000 pcs)
100 pcs+
200 pcs+
3000 pcs+
9000 pcs+
36000 pcs+
0,0149 €
0,0116 €
0,0096 €
0,0092 €
0,0084 €
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LL4148 DIOTEC  
LL4148

Switching Diode 0,2A/75V SOD-80C (MiniMELF)

Switching Diodes SMD

Ord. No.: 20172
Manufacturer: DIOTEC
in stock 116200 pcs
100 pcs+
300 pcs+
2500 pcs+
12500 pcs+
52500 pcs+
0,0149 €
0,0078 €
0,0068 €
0,0062 €
0,0057 €
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TS4148 RXG

Switching Diode 150mA/75V SMD 1206

Switching Diodes SMD

Ord. No.: 47850
Manufacturer: TAIWAN SEMICONDUCTOR
in stock 200 pcs
100 pcs+
200 pcs+
1000 pcs+
5000 pcs+
20000 pcs+
0,0214 €
0,0207 €
0,0184 €
0,0169 €
0,0155 €
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TS 4148RYG - 0805

Switching Diode 150mA/75V SMD 0805

Switching Diodes SMD

Ord. No.: 47849
Manufacturer: TAIWAN SEMICONDUCTOR
in stock 5100 pcs
50 pcs+
100 pcs+
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0,0358 €
0,0318 €
0,0283 €
0,0261 €
0,0241 €
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TS4148C RZG

Switching Diode 100mA/750V SMD 0603

Switching Diodes SMD

Ord. No.: 55193
Manufacturer: TAIWAN SEMICONDUCTOR
in stock 1500 pcs
50 pcs+
100 pcs+
500 pcs+
2000 pcs+
14000 pcs+
0,0358 €
0,0290 €
0,0258 €
0,0238 €
0,0213 €
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1N4148WS DIOTEC  
1N4148WS

Switching Diode 0,15A/75V SOD323

Switching Diodes SMD

Ord. No.: 71761
Manufacturer: DIOTEC
in stock 131500 pcs
100 pcs+
200 pcs+
2000 pcs+
5000 pcs+
40000 pcs+
0,0149 €
0,0108 €
0,0093 €
0,0087 €
0,0078 €
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MCL4148 DIOTEC  
MCL4148

Fast Switching Diode 0,15A/75V MicroMELF

Switching Diodes SMD

Ord. No.: 55137
Manufacturer: DIOTEC
2500 pcs+
5000 pcs+
22500 pcs+
0,0142 €
0,0138 €
0,0129 €
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