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As the most common mass-produced switching diode, the 1N4148 replaced the older 1N914. They can be used interchangeably, and are cross-reference replacements for each other. They differed mainly in their
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The JEDEC registered part numbers 1N914 and 1N4148 were originally only available in an axial package, but over time similar parts became available in
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59:. It is one of the most popular and long-lived switching diodes because of its dependable specifications and low cost. Its name follows the
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in 1968 as a silicon switching signal diode for military and industrial applications. It was second-sourced by many manufacturers;
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263:= 1 A at 1 s pulse width; 4 A at 1 μs pulse width (non-repetitive peak forward surge current)
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282:= 75 V at 5 μA; 100 V at 100 μA (minimum breakdown voltage and reverse leakage current)
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current specification, however, today most manufacturers list common specifications. For example,
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nomenclature. The 1N4148 is useful in switching applications up to about 100 MHz with a
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393:, Texas Instruments Incorporated, publication no. CC-413 71243-73-CSS, no date, page 10-34
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Absolute maximum ratings (stress ratings, consult datasheet for recommended ratings)
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These 1N914 and 1N4148 have an enduring popularity in low-current applications.
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Note: Some 1N4148 family surface-mount packages are marked with "T4" text.
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Texas
Instruments announced the 1N914 diode in 1960. It was registered at
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369:"Announcement of Electron Device Type Registration, Release No. 4443A"
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I–V (current vs. voltage) graph of various diodes, including 1N4148
906:(4th ed.). Motorola Semiconductor Products. 1973. p. 73.
372:. The Joint Electron Device Engineering Council. November 25, 1968
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listed their version of the device in an
October 1966 data sheet.
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356:. Derivation and Tabulation Associates. April 1961. p. 209.
354:"Semiconductor Diode & Rectifier Characteristics Tabulation"
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542:
337:"Texas Instruments 1N914 / 1N916 New Product Advertisement"
554:"1N4148 / 1N4448 / 1N914 / 1N916 Datasheet; DO-35 Package"
342:. Electronic Industries magazine. March 1960. p. 201.
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451:
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242:= 200 mA (average rectified forward current)
235:= 100 V (maximum repetitive reverse voltage)
256:= 400 mA (recurring peak forward current)
367:
275:= 1 V at 10 mA (maximum forward voltage)
27:axial package. The black band on the right is the
758:"1N4148WS / BAV16WS Datasheet; SOD-323 Package"
126:lists the same leakage current for both parts:
113:Cross section of a 1N914 in glass axial package
667:"1N4148W / BAV16W Datasheet; SOD-123 Package"
8:
289:= 4 ns (maximum reverse-recovery time)
489:"1N4148 / 1N4448 Datasheet; DO-35 Package"
296:= 500 mW (maximum power dissipation)
776:from the original on September 22, 2020.
640:"1N4148UR-1 Datasheet; MiniMELF Package"
249:= 300 mA (DC forward current)
685:from the original on February 13, 2021.
652:from the original on February 25, 2021.
414:from the original on November 27, 2022.
328:
267:Electrical and thermal characteristics
507:from the original on October 27, 2020.
951:Rectifiers and Zener Diodes Data Book
846:"1N4148WT Datasheet; SOD-523 Package"
816:"1N4148WS Datasheet; SOD-323 Package"
788:"1N4148WX Datasheet; SOD-323 Package"
628:from the original on October 1, 2020.
600:from the original on October 1, 2020.
7:
876:"1N4148X Datasheet; SOD-523 Package"
728:"1N4148W Datasheet; SOD-123 Package"
700:"1N4148W Datasheet; SOD-123 Package"
612:"LL4148 Datasheet; MiniMELF Package"
87:by 11 manufacturers that same year.
892:from the original on May 15, 2021.
834:from the original on May 15, 2021.
804:from the original on May 15, 2021.
746:from the original on May 15, 2021.
716:from the original on May 15, 2021.
535:from the original on May 15, 2021.
477:from the original on May 15, 2021.
444:from the original on May 15, 2021.
391:The Transistor and Diode Data Book
43:vs cathode marking on the package.
14:
584:"1N4148 Datasheet; DO-35 Package"
519:"1N4148 Datasheet; DO-35 Package"
459:"1N4148 Datasheet; DO-35 Package"
426:"1N914 Datasheet; DO-35 Package"
16:Standard silicon switching diode
136:50 μA at -20 V, 150°C
927:Transistor and Diode Data Book
410:. September 2004. p. 14.
130:25 nA at -20 V, 25°C
1:
307:1N400x general-purpose diodes
133:5 μA at -75 V, 25°C
90:The 1N4148 was registered at
23:Three 1N4148 diodes in glass
904:The Semiconctor Data Library
857:. March 2018. Archived from
83:no later than 1961, and was
67:of no more than 4 ns.
565:. June 2015. Archived from
1005:
404:"A Tutorial on Diodes"
312:1N58xx Schottky diodes
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114:
44:
32:
864:on September 1, 2020.
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65:reverse-recovery time
38:
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920:Historical databooks
572:on November 1, 2017.
167:glass axial package.
929:(1973, 1236 pages)
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115:
45:
33:
966:(1995, 410 pages)
953:(1988, 508 pages)
941:(1978, 210 pages)
933:Texas Instruments
885:. December 2020.
797:. December 2020.
739:. February 2018.
648:. November 2012.
528:. February 2013.
437:. February 2020.
96:Texas Instruments
81:Texas Instruments
55:switching signal
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964:Device Data Book
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678:. January 2017.
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41:schematic symbol
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973:External links
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769:. March 2016.
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709:. March 2021.
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408:Nuts and Volts
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215:Specifications
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149:packages too.
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85:second-sourced
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51:is a standard
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827:. July 2017.
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621:. June 2015.
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593:. June 2015.
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470:. July 2017.
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173:Surface-mount
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147:surface-mount
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859:the original
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567:the original
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500:. May 2012.
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374:. Retrieved
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210:
203:1N4148WT in
196:1N4148WS in
154:Through-hole
144:
116:
100:
89:
74:
48:
46:
619:Kingtronics
591:Kingtronics
317:Diode logic
189:1N4148W in
968:, Motorola
962:Rectifier
854:Diodes Inc
766:Diodes Inc
675:Diodes Inc
497:Diodes Inc
323:References
182:LL4148 in
163:1N4148 in
945:Fairchild
645:Microsemi
562:Fairchild
981:Category
957:Motorola
887:Archived
829:Archived
799:Archived
771:Archived
741:Archived
711:Archived
680:Archived
650:Archived
623:Archived
595:Archived
530:Archived
502:Archived
472:Archived
439:Archived
412:Archived
301:See also
207:package.
200:package.
193:package.
186:package.
184:MiniMELF
175:packages
141:Packages
105:Overview
376:May 15,
205:SOD-523
198:SOD-323
191:SOD-123
156:package
120:leakage
71:History
53:silicon
29:cathode
987:Diodes
824:Vishay
736:Vishay
467:Vishay
434:Vishay
124:Vishay
49:1N4148
39:Diode
890:(PDF)
879:(PDF)
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492:(PDF)
475:(PDF)
462:(PDF)
442:(PDF)
429:(PDF)
340:(PDF)
165:DO-35
92:JEDEC
77:JEDEC
61:JEDEC
57:diode
31:side.
25:DO-35
378:2021
47:The
883:MCC
795:MCC
707:MCC
526:MCC
261:FSM
233:RRM
79:by
983::
955:,
943:,
931:,
881:.
851:.
821:.
793:.
763:.
733:.
705:.
691:^
672:.
658:^
642:.
617:.
589:.
559:.
541:^
524:.
494:.
464:.
450:^
431:.
406:.
287:rr
380:.
294:D
292:P
285:t
280:R
278:V
273:F
271:V
259:I
254:f
252:I
247:F
245:I
240:O
238:I
231:V
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