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BC556; BC557

Selection guide

Datasheet

BC556; BC557
(Product Specification)
11-Oct-04, 7 pages, 60 kB

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BC556; BC557 - PNP general purpose transistors

General description
Features
Products/packages
Quality/reliability/chemical content
Pricing/ordering/availability
Samples
Discontinued information
Applications
Block diagrams/pinning
Design support
Parametrics/similar products
Print/email
Disclaimers
This product has been discontinued. Click here for discontinued information.All information hereunder is subject to the subsequent disclaimers

General description

PNP transistor in a TO-92; SOT54 plastic package.
NPN complements: BC546 and BC547.

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Features

  • Low current (max. 100 mA)
  • Low voltage (max. 65 V).

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Products/packages


All type numbers in the table below are discontinued. See the table Discontinued information for more information.

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarkingECCN
BC556BC556,1169332 055 40116Discontinued
Replacement product		SOT54
(TO-92) 		Reel pack axial radialStandard Marking
BC556ABC556A,1129332 436 10112Discontinued
Replacement product		SOT54
(TO-92) 		Bulk packStandard Marking
BC556ABC556A,1269332 436 10126Discontinued
Replacement product		SOT54
(TO-92) 		Ammo pack axial radial tapedStandard Marking
BC556BBC556B,1129332 726 70112Discontinued
Replacement product		SOT54
(TO-92) 		Bulk packStandard Marking
BC556BBC556B,1269332 726 70126Discontinued
Replacement product		SOT54
(TO-92) 		Ammo pack axial radial tapedStandard Marking
BC556BBC556B,1169332 726 70116Discontinued
Replacement product		SOT54
(TO-92) 		Reel pack axial radialStandard Marking
BC557BC557,1129331 977 10112Discontinued
Replacement product		SOT54
(TO-92) 		Bulk packStandard Marking
BC557BC557,1169331 977 10116Discontinued
Replacement product		SOT54
(TO-92) 		Reel pack axial radialStandard Marking
BC557BC557,1269331 977 10126Discontinued
Replacement product		SOT54
(TO-92) 		Ammo pack axial radial tapedStandard Marking
BC557BBC557B,1129332 026 20112Discontinued
Replacement product		SOT54
(TO-92) 		Bulk packStandard Marking
BC557BBC557B,1169332 026 20116Discontinued
Replacement product		SOT54
(TO-92) 		Reel pack axial radialStandard Marking
BC557BBC557B,1269332 026 20126Discontinued
Replacement product		SOT54
(TO-92) 		Ammo pack axial radial tapedStandard Marking
BC557BBC557B,4129332 026 20412Discontinued
Replacement product		SOT54
(TO-92) 		Bulk packStandard Marking
BC557CBC557C,1129336 500 90112Discontinued
Replacement product		SOT54
(TO-92) 		Bulk packStandard Marking
BC557CBC557C,1169336 500 90116Discontinued
Replacement product		SOT54
(TO-92) 		Reel pack axial radialStandard Marking
BC557CBC557C,1269336 500 90126Discontinued
Replacement product		SOT54
(TO-92) 		Ammo pack axial radial tapedStandard Marking
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Quality/reliability/chemical content


All type numbers in the table below are discontinued. See the table Discontinued information for more information.

Type numberOrderable part numberChemical contentRoHSLeadfree Conversion dateRHFIRF (FIT)MTBF (hours)MSL
BC556BC556,116Not available
week 6, 2005
BC556ABC556A,112BC556A
week 6, 2005
BC556ABC556A,126BC556A
week 6, 2005
BC556BBC556B,112BC556B
week 6, 2005
BC556BBC556B,126BC556B
week 6, 2005
BC556BBC556B,116BC556B
week 6, 2005
BC557BC557,112BC557
week 6, 2005
BC557BC557,116BC557
week 6, 2005
BC557BC557,126BC557
week 6, 2005
BC557BBC557B,112BC557B
week 6, 2005
BC557BBC557B,116BC557B
week 6, 2005
BC557BBC557B,126BC557B
week 6, 2005
BC557BBC557B,412BC557B
week 6, 2005
BC557CBC557C,112BC557C
week 6, 2005
BC557CBC557C,116BC557C
week 6, 2005
BC557CBC557C,126BC557C
week 6, 2005

Quality and reliability disclaimer

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Discontinued information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
BC55693320554011631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC556A93324361011231-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC556A93324361012631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC556B93327267011231-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC556B93327267012631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC556B93327267011631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC55793319771011231-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC55793319771011631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC55793319771012631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC557B93320262011231-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC557B93320262011631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC557B93320262012631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC557B93320262041231-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC557C93365009011231-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC557C93365009011631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
BC557C93365009012631-dec-0830-jun-09$product.prunedProduct.eplacementPartDN 61
  • Multi source product
  • Standard availability
  • Type number fully withdrawn
Standard End of Life.
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Applications

  • General purpose switching and amplification.


Related applications
LCD TV flyback power supply
LCD TV resonant power supply

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Block diagrams/pinning

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Design support

Support Documents

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Parametrics/similar products

Type numberPackagehFE minhFE maxfT min(MHz)POLARITYIC
max(mA)		VCEO max(V)Ptot max(mW)Complement
BC556SOT54
(TO-92)		125475100PNP10065500
BC556ASOT54
(TO-92)		125250100PNP10065500
BC556BSOT54
(TO-92)		200475100PNP10065500BC546B
BC557SOT54
(TO-92)		125800100PNP10045500BC547
BC557BSOT54
(TO-92)		220475100PNP10045500BC547B
BC557CSOT54
(TO-92)		420800100PNP10045500BC547C


Similar products
BC556; BC557 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

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