Nexperia USA Inc. BC847BPN/ZLX

Overview

BC847BPN from Nexperia is a dual NPN/PNP general-purpose transistor pair in a single SOT363-3 (TSSOP6) surface-mount package, rated for 45 V V_CEO, 100 mA I_C, and offering matched h_FE (200–450) per transistor - used for complementary switching and amplification in compact DC-DC bias networks and level-shifting stages.

For engineers reviewing the BC847BPN datasheet, BC847BPN pinout, BC847BPN application, or BC847BPN equivalent, this device supports space-constrained dual-polarity signal control where low V_CE(sat) (≤300 mV), low C_c (≤2.2 pF), and thermal resistance as low as 313 K/W (with enhanced pad) are critical selection criteria.

Technical Context

This dual-transistor device integrates one NPN (TR1) and one PNP (TR2) silicon planar epitaxial transistor on a single die with electrically isolated junctions - enabling complementary operation without mutual interference. Each transistor features independent base-emitter and collector-base junctions, with separate emitter, base, and collector terminals routed to distinct pins.

It operates under standard bipolar junction transistor principles: TR1 (NPN) conducts when V_BE ≥ 580 mV (typ.) at I_C = 2 mA; TR2 (PNP) activates when V_EB ≥ 600 mV (typ.) under same conditions. Both transistors share identical limiting values (e.g., T_j ≤ 150 °C, V_EBO ≤ 5 V), but exhibit polarity-inverted characteristics - e.g., f_T = 100 MHz (TR1) vs. f_T = 100 MHz (TR2), both measured at V_CE = ±5 V, I_C = 10 mA, f = 100 MHz.

Key Specifications

Pinout & Package

SOT363-3 (TSSOP6) plastic surface-mounted package: 1.3 mm × 2.2 mm footprint, 0.65 mm pitch, 0.95 mm max height, lead-free and RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual NPN/PNP transistor applications.

Compared with BC847BPN, BC846BPN trades gain for lower cost in fixed-bias circuits, while MBT3904/3906 increases PCB area and thermal spread but offers independent device replacement - making BC847BPN optimal for new space- and performance-critical designs.

Availability

BC847BPN is available at Aetrix Electronics and suitable for LED driver bias networks, complementary level shifters, DC-DC converter feedback dividers, and low-power sensor signal conditioning requiring stable component supply across industrial temperature ranges.

Supply support for BC847BPN includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert focused on essential efficiency technologies - delivering high-performance, reliable, and scalable components for automotive, industrial, and consumer markets.

BC847BPN belongs to Nexperia's general-purpose bipolar transistor product line, engineered specifically for space-constrained, dual-polarity analog and switching functions in portable and energy-efficient electronics.

FAQ

What is the maximum operating junction temperature for BC847BPN?

The absolute maximum junction temperature (T_j) is 150 °C, as defined in IEC 60134 limiting values. Operation above this threshold risks permanent parametric shift or failure. Derating is required above Tamb = 25 °C - for example, at Tamb = 75 °C, maximum allowable P_tot drops to ~200 mW based on R_th(j-a) = 416 K/W (standard footprint).

Can BC847BPN be used in linear amplifier configurations?

Yes - its h_FE stability (200–450 over I_C = 2–10 mA), low V_CE(sat), and f_T = 100 MHz support Class-A and Class-AB small-signal amplification up to 10 MHz. However, thermal resistance limits continuous linear operation above ~50 mW without heatsinking or enhanced copper pads.

How are the NPN and PNP transistors isolated within the SOT363-3 package?

The NPN (TR1) and PNP (TR2) transistors share a common substrate but feature fully isolated collector, base, and emitter diffusion regions with no shared junctions. Pin assignments (e.g., Pin 1 = E1, Pin 4 = E2) ensure physical separation of terminals, and datasheet testing confirms no measurable crosstalk (<–60 dB) between transistors at 100 MHz.

Is BC847BPN automotive-qualified?

No - the BC847BPN is not automotive-qualified. Nexperia explicitly states in its legal disclaimers that unless the data sheet expressly declares automotive qualification, the product is not tested or warranted for automotive use. It lacks AEC-Q101 stress testing and is intended for industrial, consumer, and computing applications only.