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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Bipolar Transistor Arrays

Nexperia USA Inc. BC856SHF

Name: BC856SHF
Brand: Nexperia USA Inc.
SKU: BC856SHF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BC856SHF

Manufacturer:: Nexperia USA Inc.

Category:: Bipolar Transistor Arrays

Package:: 6-TSSOP, SC-88, SOT-363

Datasheet:: BC856SHF.pdf

Description:: TRANS 2PNP 65V 100MA 6-TSSOP

Quantity:: RFQ Add To RFQ list

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Inventory:2,870

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Product details

Overview

BC856SH from Nexperia is a PNP/PNP general-purpose double transistor in SOT363 (SC-88) package, rated for −65 V V_CEO, −100 mA I_C, and 110 minimum h_FE at −2 mA/−5 V; designed for space-constrained dual-switching or amplification circuits in industrial control and signal conditioning modules.

For engineers reviewing the BC856SH datasheet, BC856SH pinout, BC856SH application, or BC856SH equivalent, key selection criteria include matched h_FE tracking between transistors, low V_CE(sat) (≤ −300 mV at −100 mA), high-temperature operation up to 175 °C, and mutual isolation between TR1 and TR2.

Technical Context

This dual PNP transistor integrates two electrically isolated silicon epitaxial planar devices on a single die with tightly matched DC current gain (h_FE = 110–500) and identical thermal coefficients. Each transistor supports independent biasing with no cross-coupling.

It operates under standard linear or switching conditions with V_CB_O = −80 V, V_EBO = −7 V, and exhibits low collector capacitance (1.8 pF typical) and high f_T (100 MHz at −10 mA), enabling stable performance in audio preamp and logic-level translation stages.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−65 V - Maximum safe collector-emitter voltage per transistor with base open; defines breakdown margin in high-side switch applications.
I_C	−100 mA - Continuous collector current rating per transistor; supports medium-current switching without forced cooling.
h_FE	110 min @ −2 mA/−5 V - Minimum DC current gain ensures reliable saturation drive with low base current in digital interface circuits.
V_CE(sat)	−300 mV max @ −100 mA/−5 mA - Low saturation voltage minimizes power loss and self-heating in active-low output stages.
C_c	1.8 pF typical @ −10 V - Low collector capacitance preserves bandwidth in RF-coupled or fast-switching amplifier designs.
T_j max	175 °C - Junction temperature limit enables use in thermally demanding environments like motor driver PCBs near heat sinks.
P_tot (per device)	400 mW @ T_amb ≤ 25 °C - Total dissipation across both transistors on FR4 PCB; sets practical load capability in compact layouts.

Pinout & Package

SOT363 (TSSOP6) plastic surface-mount package: 6-pin, 0.65 mm pitch, 2.1 mm × 1.25 mm × 0.95 mm body; optimized for automated reflow assembly and high-density routing.

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter of TR1	Primary current sink node for first transistor; connects to ground or low-impedance return path in common-emitter configuration.
2	Base of TR1	Control input for TR1; requires current-limited drive to achieve specified h_FE-based gain and saturation.
3	Collector of TR2	High-side output node for second transistor; used as active pull-up or inverted logic output in dual-gate logic cells.
4	Emitter of TR2	Independent emitter reference for TR2; enables separate biasing or differential pair implementation with TR1.
5	Base of TR2	Isolated control input for TR2; allows asynchronous switching or complementary signal generation without shared base resistance.
6	Collector of TR1	Main output node for TR1; configured as switch, amplifier, or current mirror input depending on external topology.

Key Features

Feature	Design Value
Closely matched h_FE	Ensures consistent current gain between TR1 and TR2 across temperature and process variation, critical for balanced differential amplifiers.
No mutual interference	Electrically isolated transistors eliminate crosstalk in dual-channel timing or level-shifting circuits, preserving signal integrity.
Low V_CE(sat)	Reduces conduction loss in battery-powered switches and improves efficiency in 3.3 V/5 V logic interface blocks.
High-temperature operation	Rated for continuous operation up to 175 °C junction temperature, supporting placement near power MOSFETs or regulators.
Small footprint	SOT363 package saves >60% board area versus two discrete SOT23 transistors, enabling miniaturized sensor interface modules.

Applications

Industrial Sensor Signal Conditioning

Dual-Channel Logic Level Translation

Use Scenario: Amplifying low-level analog outputs from RTD or thermistor bridges in programmable logic controllers.

IC Role / Device Role / Timing Role: Dual PNP pair configured as matched emitter followers and current mirrors to buffer and scale sensor signals without offset drift.

Use Value: Matched h_FE and thermal tracking minimize gain mismatch errors across −40 °C to +125 °C ambient range.

Use Scenario: Converting 1.8 V microcontroller GPIO outputs to 5 V TTL-compatible inputs in mixed-voltage industrial I/O modules.

IC Role / Device Role / Timing Role: Two independent PNP switches implementing active-low level shifters with <10 ns propagation delay and rail-to-rail swing.

Use Value: Low C_c and high f_T ensure clean edge transitions; isolated bases prevent coupling-induced glitches during simultaneous switching.

Compact Relay Driver Circuit

Redundant Power Switch Control

Use Scenario: Driving dual-coil latching relays in building automation panels where PCB space and thermal management are constrained.

IC Role / Device Role / Timing Role: TR1 and TR2 operate as independent high-side switches controlling separate relay coils via open-collector outputs.

Use Value: −65 V V_CEO withstands relay coil flyback spikes; −300 mV V_CE(sat) limits power dissipation to <30 mW per channel at 100 mA.

Use Scenario: Providing fault-tolerant enable paths for redundant 12 V power rails in medical diagnostic equipment.

IC Role / Device Role / Timing Role: Dual PNP transistors serve as OR-ed enable gates with independent monitoring inputs for fail-safe shutdown coordination.

Use Value: Electrical isolation between TR1 and TR2 prevents single-point failure propagation; 175 °C rating supports operation near SMPS heat sources.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BC857SH	Higher h_FE range (160–460 vs. 110–500); same V_CEO/I_C ratings and SOT363 package.	Better suited for low-base-drive amplification stages where gain consistency at low currents is prioritized.	Select when circuit requires higher minimum h_FE at I_C = −100 µA or tighter gain distribution across production lots.
MBT3906DW1T1G	Lower V_CEO (−40 V), higher I_C (−200 mA), different pinout (SOT-363 but pin 1 = B1, pin 2 = C1, pin 3 = E1, etc.).	Acceptable for lower-voltage switching but not drop-in due to reversed pin mapping and reduced breakdown margin.	Use only after layout revision; verify thermal derating curves and base drive requirements-especially for high-temp operation.

Compared with BC856SH, BC857SH offers improved gain linearity at microamp bias levels but identical thermal and voltage specs, while MBT3906DW1T1G trades voltage headroom for higher current capacity and requires PCB redesign due to incompatible pin assignment.

Availability

BC856SH is available at Aetrix Electronics and suitable for industrial sensor interfaces, dual-channel level translators, relay drivers, and redundant power switch control requiring stable component supply and long-term manufacturability.

Supply support for BC856SH 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 high-volume, high-reliability discrete and logic components, with leadership in automotive-qualified and industrial-grade small-signal transistors.

The BC856SH belongs to Nexperia's general-purpose bipolar transistor family, engineered for space-efficient dual-transistor integration in cost-sensitive, thermally demanding industrial and consumer electronics.

FAQ

Is BC856SH pin-compatible with BC846SH?

No. BC856SH is a PNP/PNP dual transistor, while BC846SH is its NPN/NPN complement. Their pinouts are identical (SOT363, same pin numbering), but polarity reversal means direct substitution would invert logic states and cause circuit malfunction unless topology is redesigned.

What is the maximum allowable base current for continuous operation?

The absolute maximum peak base current is −200 mA (single pulse, t_p ≤ 1 ms), but for continuous DC operation, base current must be limited to maintain I_C ≤ −100 mA and junction temperature ≤ 175 °C. At I_C = −100 mA and h_FE = 100, I_B ≈ −1 mA is typical; higher values require thermal verification.

Can BC856SH be used in linear amplifier configurations?

Yes. Its specified h_FE linearity (Fig. 3), low V_CE(sat), and thermal stability support Class-A and AB amplifier stages. However, total dissipation must stay within 400 mW (per device) on FR4 PCB; for sustained linear operation, derate above 25 °C ambient using R_th(j-a) = 375 K/W.

Does BC856SH have automotive qualification?

No. Per Nexperia's legal disclaimers, BC856SH is not automotive-qualified. It lacks AEC-Q101 stress testing and is intended for industrial, consumer, and computing applications. For automotive use, select Nexperia's AEC-Q101 qualified equivalents such as PBSS4041SPN or similar dual-PNP variants explicitly marked for automotive grade.

BC856SHF Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: BC856

Package/Case:: 6-TSSOP, SC-88, SOT-363

Packaging:: Bulk

Product Status:: Obsolete

Transistor Type:: 2 PNP (Dual)

Current - Collector (Ic) (Max):: 100mA

Voltage - Collector Emitter Breakdown (Max):: 65V

Vce Saturation (Max) @ Ib, Ic:: 300mV @ 5mA, 100mA

Current - Collector Cutoff (Max):: 15nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 110 @ 2mA, 5V

Power - Max:: 270mW

Frequency - Transition:: 100MHz

Operating Temperature:: 175°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 6-TSSOP

BC856SHF FAQ

1.How can I place an order for BC856SHF through Aetrix?

Please submit a Request for Quotation (RFQ) for BC856SHF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for BC856SHF reliable?

The price and inventory of BC856SHF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC856SHF is usually 5 days.

3.What payment methods are accepted for BC856SHF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC856SHF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BC856SHF?

BC856SHF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BC856SHF order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for BC856SHF?

For technical support, including BC856SHF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC856SHF requirements.

6.How does Aetrix verify that BC856SHF is sourced from the original manufacturer or authorized distributors?

All BC856SHF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BC856SHF meets industry standards.

7.What is the process for return or replacement of BC856SHF?

All BC856SHF units undergo pre-shipment inspection (PSI). If there is an issue with BC856SHF, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The BC856SHF part is unused and in its original packaging.

Return procedure for BC856SHF:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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