NXP Semiconductors BC858B BJTs
Discrete Semiconductors--Transistors--Bipolar (BJT)--Single Bipolar Transistors
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
BC858B
Base Model
Detailed Description
Discrete Semiconductors--Transistors--Bipolar (BJT)--Single Bipolar Transistors
Package
SOT-23-3
Lifecycle Status
Active
Datasheet
BC858B Datasheet
Quick Jump:
Technical Specifications
NXP Semiconductors BC858B BJTs technical specifications.
General
RoHS
Compliant
Package / Case
SOT-23-3
Mounting Type
SMD/SMT
Operating Temperature
-55°C ~ 150°C (TJ)
Lifecycle Status
Active
Collector Base Voltage Vcbo
30 V
Collector Emitter Voltage Vceo Max
30 V
Collector Emitter Saturation Voltage
500 mV
Configuration
Single
Continuous Collector Current
100 mA
Related Parts Comparison (BC858B vs BC858B,215 vs BC857AW,115 vs BC869,115)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| RoHS | Compliant | Yes | Yes | Yes |
| Mounting Type | SMD/SMT | -- | SMD/SMT | SMD/SMT |
| Operating Temperature | -55°C ~ 150°C (TJ) | -- | - 65°C ~ + 150°C | - 55°C ~ + 150°C |
| Collector Base Voltage Vcbo | 30 V | -- | 50 V | 32 V |
| Collector Emitter Saturation Voltage | 500 mV | -- | 650 mV | 600 mV |
| Collector Emitter Voltage Vceo Max | 30 V | -- | 45 V | 20 V |
| Configuration | Single | -- | Single | Single |
| Continuous Collector Current | 100 mA | -- | - 100 mA | - 1 A |
| Dc Collector Base Gain Hfe Min | 220 | -- | 125 | 85 |
| Dc Current Gain Hfe Max | 475 | -- | 125 at 2 mA, 5 V | 50 at 5 mA, 10 V |
| Emitter Base Voltage Vebo | 5 V | -- | 5 V | 5 V |
| Gain Bandwidth Product Ft | 100 MHz | -- | 100 MHz | 140 MHz |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
BC858BLT1GonsemiDirectonsemi
Pin YesPkg YesElec Yes
PNP BJT Transistor, 30V, 100mA, 100MHz, SOT-23
More Parts in BJTs
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
