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BC846/BC546 series
65 V, 100 mA NPN general-purpose transistors
Rev. 07 -- 17 November 2009 Product data sheet

1. Product profile

1.1 General description
NPN general-purpose transistors in Surface Mounted Device (SMD) plastic packages.

Table 1. Product overview
Type number[1] Package PNP
NXP JEITA JEDEC complement

BC846 SOT23 - TO-236AB BC856
BC846W SOT323 SC-70 - BC856W
BC846T SOT416 SC-75 - BC856T
BC546A[2] SOT54 SC-43A TO-92 BC556A
BC546B[2] SOT54 SC-43A TO-92 BC556B

[1] Valid for all available selection groups.
[2] Also available in SOT54A and SOT54 variant packages (see Section 2).

1.2 Features
General-purpose transistors
SMD plastic packages
Two different gain selections

1.3 Applications
General-purpose switching and amplification

1.4 Quick reference data
Table 2. Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
VCEO collector-emitter voltage open base - - 65 V
IC collector current - - 100 mA
hFE DC current gain VCE = 5 V; 110 - 450
IC = 2 mA
hFE group A 110 180 220
hFE group B 200 290 450
NXP Semiconductors BC846/BC546 series
65 V, 100 mA NPN general-purpose transistors

2. Pinning information
Table 3. Pinning
Pin Description Simplified outline Symbol
SOT23; SOT323; SOT416
1 base
3 3
2 emitter
3 collector 1

2
1 2
sym021
006aaa144

SOT54
1 emitter
3
2 base
3 collector 1 2
2
3
1
001aab347
sym026

SOT54A
1 emitter
3
2 base
3 collector 1 2
2
3 1
001aab348
sym026

SOT54 variant
1 emitter
3
2 base
3 collector 1 2
2
3
1
001aab447
sym026

BC846_BC546_SER_7