My Inquiry
My Account
Nexperia USA Inc. BCM856BS-QX
- Part No.:
- BCM856BS-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Bipolar Transistor Arrays
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
BCM856BS-QX.pdf
- Description:
- TRANS 2PNP 65V 100MA 6-TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:5,583
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BCM856BS-QX from Nexperia is a PNP/PNP matched double transistor in SOT363 (SC-88) package, fully internally isolated, with hFE matching ratio ≥0.9 and VBE mismatch ≤2 mV at −5 V/−2 mA - designed for precision current mirroring and differential amplification in automotive-grade analog signal paths.
For engineers reviewing the BCM856BS-QX datasheet, BCM856BS-QX pinout, BCM856BS-QX application, or BCM856BS-QX equivalent, this device supports AEC-Q101-compliant designs requiring tight transistor parameter matching, low thermal resistance (416 K/W per device), and stable operation from −55 °C to +150 °C ambient.
Technical Context
This matched pair integrates two electrically isolated PNP transistors on a single die within a 6-pin SOT363 package, enabling precise current mirroring without external trimming. Its hFE matching (0.9–1.0) and VBE matching (≤2 mV) are specified under identical bias conditions (VCE = −5 V, IC = −2 mA), ensuring predictable gain and offset behavior across temperature.
The device operates with VCEO = −65 V, IC = −100 mA per transistor, and delivers fT = 100–175 MHz at −10 mA, supporting high-frequency analog feedback loops. Thermal resistance of 416 K/W (per device) enables reliable power dissipation up to 300 mW at Tamb ≤25 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −65 V - supports rail-to-rail operation in −48 V telecom or automotive 12 V/24 V systems with safety margin. |
| IC | −100 mA per transistor - sufficient for biasing medium-power analog stages or driving small-signal loads. |
| hFE | 200–450 at −5 V/−2 mA - enables stable DC gain control in feedback networks without external compensation. |
| hFE1/hFE2 | ≥0.9 - ensures ≤10% current gain mismatch between transistors, critical for accurate current mirror ratio. |
| VBE1−VBE2 | ≤2 mV - minimizes input offset voltage drift in differential pairs operating at microamp-level tail currents. |
| fT | 100–175 MHz - supports bandwidths beyond 10 MHz in active filter or op-amp input stage applications. |
| Ptot (per device) | 300 mW - allows dual-transistor operation at elevated ambient temperatures without derating below 125 °C junction. |
Pinout & Package
SOT363 (SC-88) 6-pin surface-mount plastic package, 2.2 mm × 1.35 mm footprint, 0.65 mm pitch, with pin 1 index marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter TR1 | Primary emitter node for first transistor; connects to current sink reference point in mirror topology. |
| 2 | Base TR1 | Control input for TR1; biased to set reference current in current mirror or common-base amplifier. |
| 3 | Collector TR2 | Output collector of second transistor; delivers mirrored current with matched hFE and VBE. |
| 4 | Emitter TR2 | Second emitter node; tied to TR1 emitter in current mirror configuration for unity ratio. |
| 5 | Base TR2 | Matched base terminal for TR2; ensures identical VBE biasing and thermal tracking with TR1. |
| 6 | Collector TR1 | Reference collector for TR1; carries input current that defines mirror output via TR2 collector. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood applications including engine control and body electronics. |
| Internally isolated transistors | Eliminates substrate coupling and crosstalk, enabling true differential operation without layout separation. |
| hFE matching ≥0.9 | Reduces current error to ≤10% in mirror circuits without external resistor trimming or calibration. |
| VBE mismatch ≤2 mV | Limits input offset voltage to sub-millivolt level in differential amplifiers at room and elevated temperature. |
| Low Rth(j-a) (416 K/W) | Enables stable thermal tracking between matched devices, preserving matching over temperature gradients. |
Applications
| Current Mirror Circuit | Differential Amplifier |
|---|---|
|
Use Scenario: Precision bias current generation for op-amp input stages or ADC reference buffers. IC Role / Device Role / Timing Role: Dual PNP transistors configured as active current source/sink with matched hFE and VBE. Use Value: Delivers <±1% current ratio stability over −40 °C to +125 °C due to monolithic matching and thermal coupling. |
Use Scenario: Input stage of rail-to-rail operational amplifier in automotive sensor signal conditioning. IC Role / Device Role / Timing Role: Matched PNP pair forming emitter-coupled differential pair with common-emitter degeneration. Use Value: Achieves <0.5 mV input offset and <10 nV/√Hz noise floor at 1 kHz, validated per AEC-Q101 stress profiles. |
| Automotive Temperature Sensor Interface | Industrial Current Loop Transmitter |
|
Use Scenario: Linearized PT100 bridge excitation and cold-junction compensation in engine coolant sensors. IC Role / Device Role / Timing Role: Matched PNP pair implementing precision current source and reference leg in Wheatstone bridge. Use Value: Maintains <0.1% bridge current accuracy over full automotive temperature range (−40 °C to +150 °C). |
Use Scenario: 4–20 mA loop driver with HART modulation capability in process automation transmitters. IC Role / Device Role / Timing Role: Dual PNP used in current-setting mirror and output stage bias network. Use Value: Enables ±0.05% full-scale current accuracy and <10 ppm/°C drift, meeting IEC 61000-4-4 immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar matched PNP transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC846BPDW1T1G | PNP/NPN complementary pair (not matched PNP/PNP); hFE matching not specified; SOT-363 package. | Not suitable for current mirror topologies requiring identical polarity and matching; usable only in non-matching bias networks. | Select only if circuit requires complementary switching rather than matched analog functions. |
| MBT3906DW1T1G | PNP/PNP pair in SOT-363 but no hFE or VBE matching spec; AEC-Q101 not claimed; fT = 250 MHz. | Lacks guaranteed matching parameters; unsuitable for precision current mirrors or differential amplifiers requiring <2 mV VBE delta. | Acceptable for general-purpose biasing where matching tolerance >10 mV is acceptable. |
Compared with BC846BPDW1T1G and MBT3906DW1T1G, BCM856BS-QX uniquely provides monolithic hFE ratio ≥0.9 and VBE mismatch ≤2 mV - essential for automotive analog front-ends where offset and gain stability directly impact ASIL-B functional safety compliance.
Availability
BCM856BS-QX is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial current-loop transmitters, precision current mirrors, and differential amplifier designs requiring stable component supply with AEC-Q101 qualification.
Supply support for BCM856BS-QX 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 delivering high-performance, reliable discrete, logic, and MOSFET devices with focus on efficiency, reliability, and miniaturization.
BCM856BS-QX belongs to Nexperia's AEC-Q101-qualified matched transistor product line, engineered specifically for automotive and industrial analog signal chains demanding precision matching and thermal stability.
FAQ
Is BCM856BS-QX pin-compatible with BCM856BS?
Yes - BCM856BS-QX uses the identical SOT363 (SC-88) package and pinout as BCM856BS, with pin 1 (TR1 emitter), pin 2 (TR1 base), pin 3 (TR2 collector), pin 4 (TR2 emitter), pin 5 (TR2 base), and pin 6 (TR1 collector). The "-QX" suffix denotes automotive-grade screening and traceability per AEC-Q101, not mechanical or electrical change.
What is the maximum allowable junction temperature during continuous operation?
The absolute maximum junction temperature (Tj) is 150 °C. Continuous operation must maintain Tj ≤150 °C, calculated using Rth(j-a) = 416 K/W (per device) and ambient temperature. At Tamb = 85 °C, maximum permissible power dissipation is 157 mW to stay within thermal limit.
Does BCM856BS-QX support wave soldering?
Yes - Nexperia provides validated wave soldering footprints for SOT363 (Fig 14), specifying 5.3 mm × 1.3 mm solder land dimensions, 1.5 mm transport direction alignment, and 0.3 mm solder resist opening. Peak temperature must not exceed 260 °C for ≤10 seconds per JEDEC J-STD-020.
How is hFE matching measured and guaranteed?
hFE matching is measured per device at VCE = −5 V and IC = −2 mA, calculating the ratio of smaller hFE to larger hFE (hFE1/hFE2). All BCM856BS-QX units undergo 100% automated test with guaranteed minimum ratio of 0.9, verified on wafer and final test.
BCM856BS-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 2 PNP
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 65V
- Vce Saturation (Max) @ Ib, Ic:
- 400mV @ 5mA, 100mA
- Current - Collector Cutoff (Max):
- 15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 2mA, 5V
- Power - Max:
- 200mW
- Frequency - Transition:
- 175MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSSOP
BCM856BS-QX FAQ
1.How can I place an order for BCM856BS-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for BCM856BS-QX 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 BCM856BS-QX reliable?
The price and inventory of BCM856BS-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCM856BS-QX is usually 5 days.
3.What payment methods are accepted for BCM856BS-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCM856BS-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCM856BS-QX?
BCM856BS-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCM856BS-QX 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 BCM856BS-QX?
For technical support, including BCM856BS-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCM856BS-QX requirements.
6.How does Aetrix verify that BCM856BS-QX is sourced from the original manufacturer or authorized distributors?
All BCM856BS-QX 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 BCM856BS-QX meets industry standards.
7.What is the process for return or replacement of BCM856BS-QX?
All BCM856BS-QX units undergo pre-shipment inspection (PSI). If there is an issue with BCM856BS-QX, 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 BCM856BS-QX part is unused and in its original packaging.
Return procedure for BCM856BS-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BCM856BS-QX Tags
-
MBT3946DW1T1G
onsemi
-
BC846BPDW1T1G
onsemi
-
MBT2222ADW1T1G
onsemi
-
BC847BDW1T1G
onsemi
-
DMMT5401-7-F
Diodes Incorporated
-
DMMT5551-7-F
Diodes Incorporated
-
DMMT3904W-7-F
Diodes Incorporated
-
DMMT3906W-7-F
Diodes Incorporated
-
FMB3904
onsemi
-
FMB2222A
onsemi
-
ULQ2003D1013TR
STMicroelectronics
-
ZXTD4591E6TA
Diodes Incorporated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
