ProjectsPricingInsights

Best Alternatives to BC817-40,215

Package: SOT23 (TO-236AB)Nexperia USA Inc.Bipolar (BJT)Transistor Polarity: NPNCollector-Emitter Voltage (VCEO): 45 VCollector Current (IC): 500 mADC Current Gain (hFE): 250 - 600Transition Frequency (fT): 100 MHz

BC817-40,215 is an active NPN SOT23 transistor. Substitution needs pinout, gain, current, voltage, and thermal checks.

AI replacement insight

Electrical riskmedium

Check VCEO, IC, hFE, fT, and Ptot.

Package risklow

Kept parts list SOT23 and 3 pins.

Firmware risklow

Discrete BJT; no firmware interface.

Sourcing risklow

Kept candidates are catalog matched.

Can it be replaced directly?

No verified pin-compatible replacement is proven by the provided fields.

Best replacement path

PBSS4350T,215 is the strongest catalog candidate, pending pinout and hFE review.

Main risk

Pinout is not verified, and some candidates change gain, voltage, or current ratings.

Recommended alternatives

4
PBSS4350T,215 package
PBSS4350T,215

Nexperia USA Inc.

Needs validationmedium risk

PBSS4350T is a same-package NPN BJT candidate with stronger V/I ratings.

View details

Alternative comparison matrix

Feature / factorBC817-40,215PBSS4350T,215PBHV8115T,2152PD601ARL,215Compatibility / risk
PackageSOT23SOT23SOT23SOT23SOT23 — same package text; PBHV8115T,215: same package text; 2PD601ARL,215: same package text; PBSS4240T,215: same package text
Pinout3 pins3 pins3 pins3 pins3 pins — pin functions not shown; PBHV8115T,215: pin functions not shown; 2PD601ARL,215: pin functions not shown; PBSS4240T,215: pin functions not shown
Voltage45 V50 V150 V50 V50 V / 150 V / 40 V — meets 1.1x rule; PBHV8115T,215: large margin; 2PD601ARL,215: meets 1.1x rule; PBSS4240T,215: below target
Current500 mA2 A1 A100 mA2 A / 1 A / 100 mA — higher IC; PBHV8115T,215: higher IC; 2PD601ARL,215: major derating; PBSS4240T,215: higher IC
ApplicationhFE 250-600not listedhFE 100-250, fT 30MHzhFE 210-340not listed / hFE 100-250, fT 30MHz / hFE 210-340 / hFE 150-470 — gain must be checked; PBHV8115T,215: bias and speed risk; 2PD601ARL,215: lower gain range; PBSS4240T,215: lower gain range

Application & sourcing insights

Questions & answers

PBSS4350T,215 is the best provided candidate, but pinout and hFE must be verified.