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Nexperia USA Inc. PMBT3906M,315
- Part No.:
- PMBT3906M,315
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- SC-101, SOT-883
- Datasheet:
-
PMBT3906M,315.pdf
- Description:
- TRANS PNP 40V 0.2A SOT-883
- Quantity:
- Payment:
- Shipping:
Inventory:14,530
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Product details
Overview
PMBT3906M,315 from Nexperia is a PNP general-purpose switching transistor in an ultra-small SOT883 (SC-101) leadless package, rated for −40 V VCEO, −200 mA IC, and 100–300 hFE at −10 mA. It serves as a compact, AEC-Q101-qualified discrete switch or amplifier in space-constrained automotive and industrial control circuits.
For engineers reviewing the PMBT3906M,315 datasheet, PMBT3906M,315 pinout, PMBT3906M,315 application, or PMBT3906M,315 equivalent, key selection criteria include its −40 V breakdown rating, low saturation voltage (−100 mV typ. at −10 mA/−1 mA), ultra-small 1.0 × 0.6 × 0.5 mm footprint, AEC-Q101 qualification, and complementary pairing with PMBT3904M.
Technical Context
This PNP bipolar junction transistor operates in active or saturation mode for low-to-medium power switching and linear amplification. Its DC current gain varies from 60 to 300 across −0.1 mA to −100 mA collector currents, with thermal resistance of 212 K/W when mounted on FR4 with 1 cm² collector pad.
Switching performance includes 35 ns delay time, 70 ns turn-on time, and 300 ns turn-off time under standard test conditions (VCC = −3 V, IC = −10 mA). The device supports reflow soldering only and exhibits 4.5 pF collector capacitance at −5 V VCB, enabling stable operation up to 250 MHz fT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −40 V - Maximum safe collector-emitter voltage with base open; defines high-side switch headroom in 24 V automotive systems. |
| IC | −200 mA - Continuous collector current rating; supports driving small relays, LEDs, or logic-level loads. |
| hFE | 100–300 @ −10 mA - DC current gain range ensures reliable base drive design without overdesigning bias networks. |
| VCE(sat) | −100 to −250 mV @ −10 mA/−1 mA - Low saturation voltage minimizes conduction loss and self-heating in switching applications. |
| fT | 250 MHz - Transition frequency enables use in low-noise preamplifiers or RF front-end stages up to ~100 MHz. |
| AEC-Q101 | Qualified - Meets automotive-grade stress testing for temperature cycling, HTRB, and ESD, supporting under-hood deployment. |
| Package | SOT883 (SC-101) - 1.0 × 0.6 × 0.5 mm leadless surface-mount package optimized for board-space reduction in portable and automotive ECUs. |
Pinout & Package
SOT883 (SC-101) is a leadless, ultra-compact plastic package with three solderable terminals on the bottom side. Its 0.4 mm pitch and 0.22 mm terminal width require precision stencil and reflow process control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input node; requires current-limited drive (e.g., via 3.9 kΩ resistor) to achieve full saturation at target IC. |
| 2 | Emiter | Common reference terminal for PNP configuration; connected to higher potential rail (e.g., +12 V) in high-side switch layouts. |
| 3 | Collector | Output node; sinks load current to ground or lower-potential node; thermally coupled to PCB copper for 590 mW dissipation capability. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small footprint | 1.0 × 0.6 × 0.5 mm body size reduces PCB area by >50% vs. SOT23, enabling dense routing in ADAS sensor modules. |
| AEC-Q101 qualification | Validated for automotive temperature range (−55 °C to +150 °C) and reliability stress tests, supporting ASIL-B system integration. |
| Low VCE(sat) | −100 mV typical at −10 mA/−1 mA enables <10 mW conduction loss in always-on bias circuits for CAN transceiver enable control. |
| Complementary NPN pair | PMBT3904M shares identical SOT883 package and thermal profile, simplifying layout and BOM consolidation for push-pull drivers. |
| Reflow-only assembly | Designed exclusively for Pb-free reflow (J-STD-020), eliminating wave solder compatibility concerns and ensuring consistent joint integrity. |
Applications
| Automotive Door Module Control | Industrial PLC Input Conditioning |
|---|---|
Use Scenario: Switching 12 V door lock actuators and mirror position sensors in compact body control modules. IC Role / Device Role / Timing Role: PNP high-side switch controlling load current path from battery rail to ground-return devices. Use Value: −40 V VCEO withstands load-dump transients; AEC-Q101 qualification ensures 15-year field reliability in harsh under-dash environments. |
Use Scenario: Level-shifting and isolating 24 V industrial sensor signals into 3.3 V microcontroller GPIO inputs. IC Role / Device Role / Timing Role: Discrete signal inverter and current buffer for optocoupler driver stages. Use Value: 250 MHz fT and 4 dB noise figure support clean signal conditioning up to 10 kHz bandwidth without added filtering. |
| Portable Medical Device Power Sequencing | Consumer Appliance Motor Driver Stage |
Use Scenario: Enabling regulated power rails in handheld diagnostic tools with strict size and thermal constraints. IC Role / Device Role / Timing Role: Low-power enable switch for LDOs and DC-DC converters during boot-up sequencing. Use Value: 260 mW Ptot at 25 °C ambient allows continuous operation without heatsinking in sealed enclosures. |
Use Scenario: Driving gate resistors or small relay coils in smart home appliance control boards. IC Role / Device Role / Timing Role: General-purpose switching element interfacing MCU outputs to inductive loads. Use Value: 35 ns td and 70 ns ton ensure precise timing alignment with PWM-controlled motor phases. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP switching transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC807-16,215 | Same SOT23 package; −45 V VCEO, −500 mA IC, but larger footprint (2.9 × 1.3 × 1.0 mm) and 3× higher Rth(j-a). | Better suited for higher-current loads (>200 mA) where board space permits; not AEC-Q101 qualified. | Select when higher current handling is required and automotive qualification is not mandatory. |
| DXT3906PSQ-13 | SOT883 package; −40 V VCEO, −200 mA IC, but hFE min = 60 (vs. 100), and no AEC-Q101 documentation confirmed. | Acceptable for consumer-grade switching where gain consistency and automotive reliability are secondary. | Choose for cost-sensitive non-automotive designs where tighter hFE tolerance is not critical. |
Compared with BC807-16,215 and DXT3906PSQ-13, PMBT3906M,315 uniquely combines AEC-Q101 qualification, ultra-small SOT883 footprint, and guaranteed hFE ≥100 - making it the only option for space-constrained automotive modules requiring production-grade reliability.
Availability
PMBT3906M,315 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, portable medical diagnostics, and consumer appliance control systems requiring stable component supply across multi-year production cycles.
Supply support for PMBT3906M,315 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 leader in discrete, logic, and PowerMOS semiconductors, formed in 2017 from the former NXP Standard Products business and headquartered in Nijmegen, Netherlands.
The PMBT3906M belongs to Nexperia's general-purpose bipolar transistor product line, engineered for board-space efficiency and automotive-grade reliability in high-volume switching and amplification applications.
FAQ
Is PMBT3906M,315 pin-compatible with PMBT3904M?
No - PMBT3906M,315 is a PNP transistor while PMBT3904M is its NPN complement; both share identical SOT883 pinout (base/emitter/collector on pins 1/2/3), but polarity reversal means circuit topology must be adapted. They are layout-compatible, not functionally interchangeable without schematic changes.
What is the maximum allowable PCB copper area for thermal enhancement?
Per datasheet Table 6, mounting the collector terminal on a 1 cm² tin-plated copper pad reduces Rth(j-a) from 481 K/W to 212 K/W, enabling 590 mW total power dissipation at 25 °C ambient. Larger pads yield diminishing returns and are not characterized in the official thermal model.
Does PMBT3906M,315 support wave soldering?
No - the datasheet explicitly states "reflow soldering is the only recommended soldering method" (footnote [1] in Tables 5 and 6). Wave soldering risks thermal damage due to the ultra-thin leadless construction and low thermal mass of the SOT883 package.
How does the −50 nA ICBO specification impact leakage-sensitive designs?
At −30 V VCB, the maximum collector-base leakage of −50 nA ensures negligible standby current in high-impedance bias networks - for example, contributing <0.5 µV error across a 10 kΩ base resistor, making it suitable for precision analog switches and low-power always-on monitoring circuits.
PMBT3906M,315 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-101, SOT-883
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 200 mA
- Voltage - Collector Emitter Breakdown (Max):
- 40 V
- Vce Saturation (Max) @ Ib, Ic:
- 400mV @ 5mA, 50mA
- Current - Collector Cutoff (Max):
- 50nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 10mA, 1V
- Power - Max:
- 590 mW
- Frequency - Transition:
- 250MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-883
PMBT3906M,315 FAQ
1.How can I place an order for PMBT3906M,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PMBT3906M,315 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 PMBT3906M,315 reliable?
The price and inventory of PMBT3906M,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMBT3906M,315 is usually 5 days.
3.What payment methods are accepted for PMBT3906M,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMBT3906M,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMBT3906M,315?
PMBT3906M,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMBT3906M,315 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 PMBT3906M,315?
For technical support, including PMBT3906M,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMBT3906M,315 requirements.
6.How does Aetrix verify that PMBT3906M,315 is sourced from the original manufacturer or authorized distributors?
All PMBT3906M,315 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 PMBT3906M,315 meets industry standards.
7.What is the process for return or replacement of PMBT3906M,315?
All PMBT3906M,315 units undergo pre-shipment inspection (PSI). If there is an issue with PMBT3906M,315, 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 PMBT3906M,315 part is unused and in its original packaging.
Return procedure for PMBT3906M,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PMBT3906M,315 Tags
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MMBT3906LT1G
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MMBT3904LT1G
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BC846BLT1G
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