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DO-204

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1N4148 axial diodes, in the glass DO-35 package (also known as DO-204-AH or SOD27)

DO-204 is a family of diode semiconductor packages defined by JEDEC. This family comprises lead-mounted axial devices with round leads. Generally a diode will have a line painted near the cathode end.

Dimensions

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General form of the packages described by DO-204. Lead diameter is not controlled less than E from the body to allow for minor irregularities.
Variants included in DO-204[1]
Variant Original
standard[2]		 Dimensions (mm)
A B C D E
minmaxminmaxminmaxminmaxminmax
AADO-7 [3] 25.4038.10 5.857.62 0.460.55 2.162.71 —1.27
ABDO-14 [4] 25.4038.10 5.857.62 0.460.55 2.753.55 —1.27
ACDO-15 [5] 25.4038.10 5.857.62 0.690.88 2.653.55 —1.27
ADDO-16 [6] 11.4319.05 1.272.54 0.230.33 —1.27 —1.27
AEDO-26 [7] 35.5638.10 8.7510.41 0.690.99 5.596.60 —2.03
AFDO-29 [8] 25.4038.10 8.009.14 0.740.83 3.053.81 —1.27
AGDO-34 [9] 25.4038.10 2.163.04 0.460.55 1.271.90 —1.27
AHDO-35 [10] 25.4038.10 3.055.08 0.460.55 1.532.28 —1.27
AJ— 11.4313.97 5.857.62 0.490.53 2.162.66 —1.27
AK— 11.4313.97 3.814.45 0.360.40 1.661.90 —1.27
ALDO-41 [11] 25.40— 4.075.20 0.720.86 2.042.71 —1.27
AM— 17.5338.10 3.185.20 0.640.91 1.272.79 —1.27
AN— 25.40— 5.085.84 0.710.86 2.543.05 —1.27
AP— 25.4038.10 3.184.57 0.740.89 2.543.81 —1.27
AR— 27.9538.10 9.279.52 1.221.32 6.106.35 —2.54

Common variants

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A drawing of a DO-41 diode package. The cathode is marked with a silver or white band.

Several common packages are archived in DO-204 as variants, and may be referred to using their alternative names.

DO-7

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The DO-7 (also known as DO-204-AA) is a common semiconductor package for 1N34A germanium diodes.[3][12]

DO-35

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The DO-35 (also known as DO-204-AH or SOD27) is a semiconductor package used to encapsulate signal diodes (i.e., diodes meant to handle small amounts of current and voltage).[10][13][2] It is often used to package small signal, low power diodes such as 1N4148 (a 100 V, 300 mA silicon diode.)

DO-41

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The DO-41 (also known as DO-204-AL or SOD66) is a common semiconductor package used to encapsulate rectifier diodes (i.e., diodes meant to handle larger currents and voltages than signal diodes).[11][14] The name is derived from the JEDEC descriptor "Diode Outline, Case Style 41".[2] DO-41 diodes are larger than signal diode packages such as DO-35, which are not required to handle large currents. The most common diode using this packaging is the 1N4001 to 1N4007 series of rectification diodes.

National standards

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Standards organization Standard Designation for
DO-7 DO-14 DO-15 DO-16 DO-29 DO-35 DO-41
JEDEC JEP95 DO-204AA DO-204AB DO-204AC DO-204AD DO-204AF DO-204AH DO-204AL
IEC IEC 60191[15][16] A1A A1C A58 A70 A71 A24
DIN DIN 41880[17][18] 51A2 — 54A2 54B2
DIN 41883[18] — 56A2 — —
EIAJ / JEITA ED-7500A[19] SC-1A — SC-39 SC-54 SC-55 SC-40 —
British Standards BS 3934[15] SO-6 SO-8 SO-84
ASMW TGL 200-8380[20] B — D5 D6 — K —
TGL 11811[16] M3A — M3B M3C — M2 —

References

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  1. ↑ "JEDEC DO-204 family package specification" (PDF). JEDEC. January 20, 1976. Archived from the original (PDF) on October 10, 2008.
  2. 1 2 3 "Master Index for JEDEC 95 Outlines and Standards" (PDF). JEDEC. Archived from the original (PDF) on June 17, 2017. Retrieved June 16, 2017.
  3. 1 2 "JEDEC DO-7 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 18, 2017.
  4. ↑ "JEDEC DO-14 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 18, 2017.
  5. ↑ "JEDEC DO-15 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 18, 2017.
  6. ↑ "JEDEC DO-16 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 17, 2017.
  7. ↑ "JEDEC DO-26 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 17, 2017.
  8. ↑ "JEDEC DO-29 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 17, 2017.
  9. ↑ "JEDEC DO-34 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 18, 2017.
  10. 1 2 "JEDEC DO-35 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 18, 2017.
  11. 1 2 "JEDEC DO-41 package specification" (PDF). JEDEC. Archived from the original (PDF) on June 17, 2017.
  12. ↑ DO-7 diode package; Interface Bus.
  13. ↑ DO-35 diode package; Interface Bus.
  14. ↑ DO-41 diode package; Interface Bus.
  15. 1 2 "Semiconductors" (PDF). Pro Electron. 1978. pp. 215–221. Retrieved 2021-06-17.
  16. 1 2 "TGL 26713/12: Gehäuse für Halbleiterbauelemente - Bauform M" [Outline drawings for semiconductor devices; Type M] (PDF) (in German). Leipzig: Verlag für Standardisierung. June 1988. Retrieved 2021-06-15.
  17. ↑ "Semiconductor Databook" (PDF). Heilbronn: AEG-Telefunken. p. 8. Retrieved 2021-08-20.
  18. 1 2 "Diodes - Zener Diodes - Rectifiers - Thyristors" (PDF). Freiburg: ITT. 1977. p. 218. Retrieved 2021-11-05.
  19. ↑ "EIAJ ED-7500A Standards for the Dimensions of Semiconductor Devices" (PDF). JEITA. 1996. Retrieved 2021-06-14.
  20. ↑ "TGL 200-8380: Halbleiterbauelemente - Halbleiterdioden Verlustleistung unter 1 Watt - Bauformen" [Semiconductor Devices - Designs for Semiconductor Diodes - Dissipation power less 1 Watt] (PDF) (in German). Leipzig: Verlag für Standardisierung. 1981. Retrieved 2021-07-12.
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