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Nexperia USA Inc. BC846S/DG/B3F
- Part No.:
- BC846S/DG/B3F
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Bipolar Transistor Arrays
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
BC846S/DG/B3F.pdf
- Description:
- TRANS 2NPN 65V 100MA 6-TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:5,689
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Product details
Overview
BC846S/DG/B3F from Nexperia is an NPN general-purpose double transistor in a SOT363-3 (TSSOP6) package, integrating two isolated NPN transistors for compact dual-switching or amplification functions. Each transistor supports 65 V VCEO, 100 mA IC, and DC current gain (hFE) ≥110 at 2 mA/5 V, enabling use in space-constrained consumer and industrial signal routing circuits.
For engineers reviewing the BC846S/DG/B3F datasheet, BC846S/DG/B3F pinout, BC846S/DG/B3F application, or BC846S/DG/B3F equivalent, key selection criteria include per-transistor breakdown voltage, thermal resistance (Rth(j-a) = 568 K/W), dual-transistor isolation integrity, and SOT363-3 footprint compatibility with high-density PCB layouts.
Technical Context
This dual NPN device provides electrically isolated transistor pairs within a single ultra-small surface-mount package-no shared collector, emitter, or base connections between TR1 and TR2. Pin mapping confirms independent terminal assignment: E1/B1/C1 for TR1 and E2/B2/C2 for TR2, with no internal coupling.
Each transistor operates under identical absolute maximum ratings: 65 V VCEO, 80 V VCBO, 6 V VEBO, and 200 mA ICM. Thermal performance is specified per transistor (Rth(j-a) = 568 K/W) and per device (Rth(j-a) = 416 K/W), reflecting distinct power dissipation paths on FR4 PCBs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 65 V - Maximum safe collector-emitter voltage with base open; defines switching voltage headroom. |
| IC | 100 mA - Continuous collector current per transistor; suitable for low-power logic-level switching. |
| hFE | 110 min @ 2 mA/5 V - Minimum DC current gain ensures predictable base drive requirements in amplifier or switch bias networks. |
| Ptot (per device) | 300 mW - Total power dissipation limit on standard FR4 PCB; sets thermal derating boundary for dual-transistor operation. |
| Rth(j-a) (per transistor) | 568 K/W - Junction-to-ambient thermal resistance; determines temperature rise per watt under free-air conditions. |
| fT | 100 MHz - Transition frequency at 10 mA/5 V; supports small-signal amplification up to VHF band. |
| VCE(sat) | 300 mV max @ 100 mA/5 mA - Low saturation voltage enables efficient switching with minimal conduction loss. |
Pinout & Package
SOT363-3 (TSSOP6) plastic surface-mounted package: 2.2 mm × 1.35 mm footprint, 0.65 mm pitch, 0.95 mm max height, designed for reflow soldering on fine-pitch PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | E1 | Emitter of transistor TR1 - connects to low-side reference or load return path for first switch/amplifier stage. |
| 2 | B1 | Base of transistor TR1 - controls TR1 conduction; requires current-limited drive to achieve target hFE-based gain. |
| 3 | C2 | Collector of transistor TR2 - high-side output node for second independent switching function. |
| 4 | E2 | Emitter of transistor TR2 - isolated return path for TR2; not connected to E1 internally. |
| 5 | B2 | Base of transistor TR2 - fully decoupled control input; enables asynchronous operation from TR1. |
| 6 | C1 | Collector of transistor TR1 - primary output node for first transistor; routed independently from C2. |
Key Features
| Feature | Design Value |
|---|---|
| Dual isolated NPN transistors | No mutual interference between TR1 and TR2 - verified by separate pinning and absence of shared terminals in package outline. |
| Space-saving integration | Reduces component count and board area vs. two discrete SOT23 transistors - 40% smaller footprint than dual-SOT23 layout. |
| High-voltage capability | 65 V VCEO per transistor - supports 24 V and 48 V industrial control rail switching without derating. |
| Low saturation voltage | VCE(sat) ≤ 300 mV @ 100 mA - minimizes power loss in saturated switching applications such as LED drivers or logic-level translators. |
| Thermal robustness | Rth(j-sp) = 230 K/W - low junction-to-solder-point resistance improves heat transfer to PCB copper planes during sustained operation. |
Applications
| LED Driver Pair | Logic-Level Translator |
|---|---|
|
Use Scenario: Driving dual-color indicator LEDs from microcontroller GPIO pins with independent on/off control. IC Role / Device Role / Timing Role: Dual NPN switch providing current sinking for red/green LEDs with isolated enable paths. Use Value: Eliminates need for two discrete transistors and associated passives; maintains color independence with <1 µA inter-transistor leakage. |
Use Scenario: Converting 3.3 V logic outputs to 5 V or 12 V compatible signals in mixed-voltage systems. IC Role / Device Role / Timing Role: Level-shifting pair using common-emitter configuration with pull-up resistors on collector nodes. Use Value: Supports >10 MHz edge rates due to fT = 100 MHz; avoids timing skew between channels with matched hFE distribution. |
| Signal Multiplexer | Current Mirror Reference |
|
Use Scenario: Routing analog sensor signals (e.g., thermistor or photodiode outputs) to multiple ADC inputs via gated paths. IC Role / Device Role / Timing Role: Dual NPN acting as voltage-controlled switches in emitter-follower configuration for low-impedance buffering. Use Value: VBE matching across TR1/TR2 (±20 mV typical) ensures consistent turn-on thresholds and channel tracking. |
Use Scenario: Generating matched bias currents for op-amp input stages or comparator hysteresis networks. IC Role / Device Role / Timing Role: Two transistors configured as diode-connected and active devices to form a basic two-transistor current mirror. Use Value: Identical die construction in one package minimizes process variation; hFE spread <10% ensures <2% current mismatch at 1 mA. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-NPN transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847S | Higher hFE range (200–450 vs. 110–220); otherwise identical pinout, ratings, and package. | Better suited for low-base-drive applications (e.g., battery-powered sensors) where gain margin is critical. | Select BC847S when hFE > 200 is required at 2 mA; BC846S remains optimal for cost-sensitive designs needing only 110 minimum gain. |
| MBT3904DW1T1G | Same SOT363-3 package but lower VCEO (40 V), higher IC (200 mA), and wider hFE spread (100–300). | Preferred in 5–12 V automotive body electronics where higher current and tighter thermal specs are needed. | Choose MBT3904DW1T1G for 40 V systems requiring >100 mA per channel; avoid in 24 V+ applications due to VCEO limitation. |
Compared with BC847S and MBT3904DW1T1G, the BC846S/DG/B3F offers the best balance of 65 V rating, guaranteed 110 hFE floor, and lowest unit cost in SOT363-3 for industrial control and consumer interface circuits.
Availability
BC846S/DG/B3F is available at Aetrix Electronics and suitable for LED driver design, logic-level translation, analog signal multiplexing, and current mirror biasing requiring stable component supply across production lifecycles.
Supply support for BC846S/DG/B3F 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 semiconductors, delivering high-performance, reliable components for automotive, industrial, mobile, and computing markets.
The BC846S belongs to Nexperia's general-purpose bipolar transistor product line, engineered for space-efficient dual-transistor integration in cost-sensitive, high-volume signal conditioning and switching applications.
FAQ
What is the maximum operating temperature for BC846S/DG/B3F?
The BC846S/DG/B3F has a maximum junction temperature (Tj) of 150 °C and an ambient operating range of −65 °C to +150 °C. Derating begins above 25 °C ambient per the published power derating curve, with total device Ptot dropping to zero at 150 °C on standard FR4 PCB.
Is BC846S/DG/B3F pin-compatible with BC846B or BC846C variants?
Yes - all BC846x variants (including BC846B, BC846C, and BC846S) share identical SOT363-3 pinout and mechanical footprint. The suffix denotes hFE grading: BC846B (110–220), BC846C (190–450), BC846S (110 min). Electrical substitution is valid if hFE requirements align.
Can BC846S/DG/B3F be used in linear amplifier configurations?
Yes - its fT = 100 MHz, VCE(sat) ≤ 300 mV, and hFE stability across temperature (−55 °C to +150 °C) support Class-A and Class-AB small-signal amplification up to ~10 MHz. Avoid sustained operation above 100 mW per transistor to maintain linearity and thermal stability.
Does BC846S/DG/B3F have automotive qualification?
No - BC846S/DG/B3F is not AEC-Q101 qualified. It is rated for industrial and commercial applications only. For automotive use, Nexperia recommends the AEC-Q101 qualified PUMD3 or PBSS4041T variants in the same SOT363-3 package with equivalent electrical performance.
BC846S/DG/B3F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- 2 NPN (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:
- 300mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSSOP
BC846S/DG/B3F FAQ
1.How can I place an order for BC846S/DG/B3F through Aetrix?
Please submit a Request for Quotation (RFQ) for BC846S/DG/B3F 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 BC846S/DG/B3F reliable?
The price and inventory of BC846S/DG/B3F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC846S/DG/B3F is usually 5 days.
3.What payment methods are accepted for BC846S/DG/B3F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC846S/DG/B3F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC846S/DG/B3F?
BC846S/DG/B3F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC846S/DG/B3F 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 BC846S/DG/B3F?
For technical support, including BC846S/DG/B3F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC846S/DG/B3F requirements.
6.How does Aetrix verify that BC846S/DG/B3F is sourced from the original manufacturer or authorized distributors?
All BC846S/DG/B3F 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 BC846S/DG/B3F meets industry standards.
7.What is the process for return or replacement of BC846S/DG/B3F?
All BC846S/DG/B3F units undergo pre-shipment inspection (PSI). If there is an issue with BC846S/DG/B3F, 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 BC846S/DG/B3F part is unused and in its original packaging.
Return procedure for BC846S/DG/B3F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC846S/DG/B3F Tags
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