BC846-QR

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BC846-QR

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TRANS NPN 65V 0.1A TO236AB

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Spezifikationen

Attribut Wert
Supplier Nexperia USA Inc.
Package / Case Bulk
Series Automotive, AEC-Q101, BC846x-Q
Part Status Active
Transistor Type NPN
Current - Collector(Ic)(Max) 100 mA
Voltage - Collector Emitter Breakdown(Max) 65 V
Vce Saturation(Max) @ Ib Ic 400mV @ 5mA, 100mA
Current - Collector Cutoff(Max) 15nA (ICBO)
DC Current Gain(h FE)(Min) @ Ic Vce 110 @ 2mA, 5V
Power - Max 250 mW
Frequency - Transition 100MHz
Operating Temperature 150°C (TJ)
Mounting Type Surface Mount

Übersicht

Description

BC846-QR is a small-signal NPN transistor in the BC846 family, typically used for general-purpose amplification and switching in compact circuits. The “QR” suffix usually denotes a particular vendor’s RoHS-compliant, reliability-tested variant; exact electricals can vary, so always consult the specific datasheet for the lot you have.
Typical characteristics (variant dependent):
- Package: SOT-23
- Ic: up to about 100 mA
- Vceo: ~45 V (varies by part)
- Gain (hFE): ~110–800 depending on grade (A/B/C)
- Low-noise, suitable for signal amplification
Pinout (common SOT-23 BC846): 1 = Emitter, 2 = Base, 3 = Collector (with the flat face toward you; verify from your manufacturer).
Common uses: preamplifiers, switching in low-power analog/digital circuits, small-signal amplification in consumer electronics.
Note: for exact values and pinout, check the specific BC846-QR datasheet from the vendor.

Equivalent

BC846-QR is a general‑purpose NPN small‑signal transistor in SOT‑23. Equivalents include:
- BC846 family: BC846, BC846A, BC846B, BC846C (same device, different gain).
- SMD substitutes: MMBT3904 (SMD version of 2N3904), i.e., 2N3904/MMBT3904.

Features

BC846-QR is a general‑purpose NPN transistor in SOT‑23. Key features:
- Package: SOT‑23, QR suffix = RoHS/lead-free, tape‑and‑reel packaging
- Ic max: ~100 mA
- Vceo: ~65 V (datasheet varies by variant)
- hFE (gain) grades: A (≈110–220), B (≈200–450), C (≈420–800)
- Temp range: −55 °C to +150 °C
- Applications: small-signal amplification and switching
- Other: low-noise performance, suitable for mainstream analog/digital circuits
Note: exact numbers depend on grade and lot; consult the specific BC846‑QR datasheet for precise specs.

Pinout

Pin count: 3.
Function: BC846-QR is a small-signal NPN transistor (BC846 family) in a SOT-23 package, used as a general-purpose switch or amplifier in low-power circuits.

Manufacturer

Manufacturer: Nexperia (brand formerly Philips/NXP Semiconductors).
What kind of company: A global semiconductor company that designs and manufactures discrete components (e.g., transistors like BC846-QR, diodes) and related devices for automotive, industrial, and consumer electronics.

Application

BC846-QR is a general‑purpose NPN small‑signal transistor (SMD). Its low noise, moderate gain, and Vce handling up to ~100 mA suit many tasks:
- Small-signal amplification in audio, RF front-ends, and sensor readouts
- Switching and drive stages in digital circuits and microcontroller interfaces
- Buffering/emitter‑follower and level-shifting in analog circuits
- Interfacing transducers (thermistors, photodiodes, strain gauges) to CMOS/TTL logic
- Low-current LED/relay drive with proper biasing in compact PCB designs
Packaging is SMD (QR).

Package

BC846-QR is in a SOT-23 (3-pin) surface-mount package.

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