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Infineon Technologies BC 846B E6327 — Discrete Semiconductors
Infineon Technologies

BC 846B E6327 NPN Transistor, 65 V, 100 mA, SOT-23

MPNBC 846B E6327
Obsolete

Infineon BC 846B E6327 NPN general-purpose transistor, 65 V VCEO, 100 mA Ic, 330 mW, hFE 200 min, 250 MHz, SOT-23-3, Tape & Reel.

BC 846B E6327 datasheet
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Specifications

BC 846B E6327 Technical Specifications
ParameterValue
Mounting typeSurface Mount
FET typeNPN
Voltage - collector emitter breakdown65 V
Current - collector (Ic)100 mA
Current - collector cutoff15nA (ICBO)
DC current gain (hFE) (Min) @ ic, vce200 @ 2mA, 5V
Power - max330 mW
Frequency250MHz
Operating temperature150°C(TJ)
PackageTape & Reel (TR); Cut Tape (CT)
CaseTO-236-3, SC-59, SOT-23-3
Vce saturation (Max) @ ib, ic600mV @ 5mA, 100mA

Product details

General-purpose NPN in SOT-23 — what the B grade buys you

The Infineon BC 846B E6327 is a small-signal NPN transistor in the standard SOT-23-3 footprint (PG-SOT23). It is a B-graded variant of the BC846 family, meaning the DC current gain is specified with a minimum hFE of 200 at 2 mA collector current and 5 V VCE — tighter and higher than the A-grade floor. Collector-emitter breakdown is rated at 65 V, maximum collector current 100 mA, and power dissipation 330 mW, which covers general-purpose switching and amplifier duty in low-power analog and digital circuits.

This part carries an obsolete product status. Infineon no longer manufactures the BC 846B as a current-production line item. For a BOM that needs this exact order code, the supply channel is independent distribution — surplus, new-old-stock, or broker inventory.

250 MHz transition frequency — switching and bandwidth

With a transition frequency of 250 MHz, the BC 846B can handle moderate-speed switching up into the low VHF range. It is not a high-speed RF transistor, but it will comfortably switch at a few megahertz or amplify audio and low-frequency signals without gain roll-off concerns.

VCE(sat) and cutoff — drive margin and leakage

Saturation voltage is specified at 600 mV maximum with a 5 mA base drive into 100 mA collector current — a typical ratio for a general-purpose NPN. Collector cutoff current is 15 nA maximum (ICBO), which is low enough for battery-powered circuits where off-state leakage matters.

Frequently asked questions

What is the difference between BC846A and BC846B?

The BC846B has a higher and tighter DC current gain specification: minimum hFE of 200 at 2 mA, 5 V, versus the BC846A which typically has a lower minimum. The B grade is preferred when you need consistent gain across a production batch for analog bias or current mirror circuits.

What is the replacement for BC 846B E6327?

Infineon does not list a direct successor for this order code. A functionally equivalent NPN in SOT-23 with similar ratings (65 V, 100 mA, hFE ≥ 200) would be the BC846B from other manufacturers — verify pin compatibility and gain grade before substituting. For a drop-in from Infineon, check the BC 847B or BC 848B series if the voltage rating allows.