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Nexperia USA Inc. PIMN31PAS-QX
- Part No.:
- PIMN31PAS-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- 6-UDFN Exposed Pad
- Datasheet:
-
PIMN31PAS-QX.pdf
- Description:
- PIMN31PAS-Q/SOT1118/HUSON6
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
PIMN31PAS-QX from Nexperia is an AEC-Q101-qualified NPN/NPN resistor-equipped double transistor (RET) in a DFN2020D-6 (SOT1118D) package with side-wettable flanks, rated for 50 V VCEO, 500 mA output current per transistor, and built-in bias resistors R1 = 1 kΩ and R2 = 10 kΩ. It serves as a compact, automotive-grade switching element for digital control of IC inputs and low-power loads.
For engineers reviewing the PIMN31PAS-QX datasheet, PIMN31PAS-QX pinout, PIMN31PAS-QX application, or PIMN31PAS-QX equivalent, this device offers verified dual-transistor integration with known resistor ratios, thermal derating curves for FR4 PCB mounting, and direct replacement capability for BC817-series discrete pairs in space-constrained automotive and industrial control designs.
Technical Context
This dual NPN RET integrates two matched transistors with monolithic bias networks-R1 (input base resistor) and R2 (base-emitter feedback resistor)-enabling single-pin drive per channel without external bias components. The R2/R1 ratio is tightly controlled at 9–11, ensuring consistent saturation behavior across temperature.
Designed for surface-mount reliability in automotive environments, it features side-wettable flanks for automated optical solder-joint inspection and operates over −55 °C to +150 °C ambient, with junction temperature limited to 150 °C. Thermal resistance ranges from 125 K/W (4-layer PCB, 1 cm² collector pad) to 348 K/W (single-sided FR4, standard footprint).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum safe collector-emitter voltage before breakdown; enables use in 24 V automotive supply rails with margin. |
| IO | 500 mA - Continuous output current per transistor; supports driving LEDs, relays, or logic-level MOSFET gates directly. |
| R1 | 1 kΩ (0.7–1.3 kΩ) - Integrated input base resistor; eliminates need for external pull-up/pull-down and simplifies PCB layout. |
| R2/R1 Ratio | 10 (9–11) - Fixed internal feedback ratio; ensures stable DC current gain and predictable turn-on/turn-off thresholds. |
| hFE | 70 min - Minimum DC current gain at 50 mA IC; guarantees reliable saturation with ≤2.5 mA base drive per channel. |
| VCE(sat) | 100 mV max at IC = 50 mA, IB = 2.5 mA - Low saturation voltage reduces power loss and self-heating in switching applications. |
| fT | 210 MHz - Transition frequency of internal transistors; supports fast digital switching up to ~10–20 MHz edge rates. |
Pinout & Package
Package: DFN2020D-6 (SOT1118D), 2.0 mm × 2.0 mm × 0.65 mm body, leadless, thermally enhanced with side-wettable flanks for AOI-compatible reflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND1 | Emiter connection for TR1; common reference for first transistor channel. |
| 2 | I1 | Base input for TR1; driven through integrated R1 resistor (1 kΩ). |
| 3 | O2 | Collector output for TR2; active-high switching node for second channel. |
| 4 | GND2 | Emiter connection for TR2; independent ground return for second transistor channel. |
| 5 | I2 | Base input for TR2; driven through integrated R1 resistor (1 kΩ). |
| 6 | O1 | Collector output for TR1; active-high switching node for first channel. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Qualified for automotive under stress test standards; supports under-hood and infotainment module deployment. |
| Dual NPN topology with R1/R2 network | Eliminates four external resistors per pair; reduces BOM count and placement cost vs. discrete BC817 solutions. |
| Side-wettable flanks (SWF) | Enables automated optical inspection (AOI) of solder joints on bottom-side terminals-critical for high-reliability automotive assembly. |
| Thermal performance | As low as 125 K/W Rth(j-a) with 4-layer PCB and 1 cm² copper pad-supports sustained 360 mW dissipation per device. |
| Input voltage tolerance | VI rating of −5 V to +10 V allows robust interfacing with 3.3 V, 5 V, and 12 V logic families without level-shifting. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Output Stage |
|---|---|
|
Use Scenario: Driving LED status indicators and small solenoids in door modules and lighting controllers. IC Role / Device Role / Timing Role: Dual-channel low-side switch replacing discrete transistor-resistor pairs; handles 500 mA peak load per channel with <100 ns turn-off delay. Use Value: Reduces PCB area by >40% versus BC817 + 4-resistor implementation while maintaining AEC-Q101 compliance. |
Use Scenario: Isolating microcontroller GPIOs from 24 V field actuators in DIN-rail mounted controllers. IC Role / Device Role / Timing Role: Logic-level translator and current amplifier; accepts 3.3 V/5 V MCU outputs and switches 24 V/100 mA loads. Use Value: Built-in R1/R2 eliminates external biasing, reducing design validation effort and improving long-term reliability in vibration-prone environments. |
| Consumer Appliance Control Board | Medical Diagnostic Equipment Interface |
|
Use Scenario: Controlling buzzer drivers and relay coils in smart home appliances with tight thermal budgets. IC Role / Device Role / Timing Role: Compact dual switch enabling simultaneous activation of audio and visual alerts with shared ground isolation. Use Value: 0.65 mm profile and DFN2020D-6 footprint allow placement beneath connectors; SWF supports full-process AOI traceability. |
Use Scenario: Signal conditioning and isolation between FPGA I/O banks and external sensor excitation circuits. IC Role / Device Role / Timing Role: High-speed digital buffer with guaranteed 210 MHz fT and sub-100 mV VCE(sat) for precise timing-critical enable signals. Use Value: Tight hFE and VI(on)/VI(off) specs ensure deterministic switching across −40 °C to +100 °C operating range-validated per AEC-Q101. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-NPN switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PIMC31PAS-Q | PNP/PNP complement; identical package, R1/R2 values, and AEC-Q101 rating but opposite polarity. | Required where active-low switching or high-side drive is needed instead of low-side NPN configuration. | Select when designing complementary output stages or interfacing with open-collector logic sources. |
| BC846BDW1T1G | Discrete dual NPN in SOT-363; no built-in resistors; hFE = 200–450, VCEO = 65 V, IC = 100 mA max per transistor. | Lower current rating and no integrated biasing-requires 4 external resistors and increases layout complexity. | Choose only if higher VCEO margin is critical and board space/resistance count are secondary concerns. |
Compared with PIMC31PAS-Q, the PIMN31PAS-QX provides native low-side drive without level inversion; compared with BC846BDW1T1G, it delivers 5× higher output current and eliminates four passives-reducing total solution size by 30% and assembly cost by ~12% in high-volume automotive production.
Availability
PIMN31PAS-QX is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC output stages, consumer appliance interface boards, and medical diagnostic equipment requiring stable component supply with AEC-Q101 assurance.
Supply support for PIMN31PAS-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 focused on high-volume, high-reliability essential semiconductors-including logic, discretes, MOSFETs, and ESD protection devices.
The PIMN31PAS-QX belongs to Nexperia's Automotive Qualified Resistor-Equipped Transistor (RET) product line, engineered specifically for space- and cost-sensitive digital switching in automotive and industrial control systems.
FAQ
What is the maximum allowable continuous current per channel?
The PIMN31PAS-QX supports 500 mA continuous output current per transistor under specified thermal conditions-verified per IEC 60134 limiting values. Derating applies above Tamb = 25 °C: at 75 °C ambient, max current drops to ~360 mA on standard FR4; full 500 mA requires 4-layer PCB with 1 cm² collector pad.
Can this device replace BC817-16 transistors in existing designs?
Yes-PIMN31PAS-QX is a functional drop-in replacement for two BC817-16 transistors plus four bias resistors in digital switching applications. Pin mapping differs (DFN2020D-6 vs. SOT-23), so PCB layout must be updated, but logic-level drive compatibility, VCEO, and IO ratings match or exceed BC817-16 specifications.
Is the R2/R1 ratio fixed or adjustable?
The R2/R1 ratio is monolithically fixed at 10 ±10% (9–11) and cannot be adjusted. This ratio is laser-trimmed during wafer fabrication and is stable over temperature (−55 °C to +150 °C); no external tuning is possible or required for standard switching operation.
Does the device support 3.3 V microcontroller GPIO drive?
Yes-VI(on) is specified at 0.4–1.4 V (typ. 0.8 V) at IC = 20 mA, making it fully compatible with 3.3 V CMOS outputs. A 3.3 V GPIO can directly drive I1 or I2 without series resistance, achieving full saturation with <2.5 mA base current per channel.
PIMN31PAS-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 6-UDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 2 NPN - Pre-Biased
- Current - Collector (Ic) (Max):
- 500mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Resistor - Base (R1):
- 1kOhms
- Resistor - Emitter Base (R2):
- 10kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 70 @ 50mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 100mV @ 2.5mA, 50mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 210MHz
- Power - Max:
- 360mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN2020D-6
PIMN31PAS-QX FAQ
1.How can I place an order for PIMN31PAS-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PIMN31PAS-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 PIMN31PAS-QX reliable?
The price and inventory of PIMN31PAS-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PIMN31PAS-QX is usually 5 days.
3.What payment methods are accepted for PIMN31PAS-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PIMN31PAS-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PIMN31PAS-QX?
PIMN31PAS-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PIMN31PAS-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 PIMN31PAS-QX?
For technical support, including PIMN31PAS-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PIMN31PAS-QX requirements.
6.How does Aetrix verify that PIMN31PAS-QX is sourced from the original manufacturer or authorized distributors?
All PIMN31PAS-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 PIMN31PAS-QX meets industry standards.
7.What is the process for return or replacement of PIMN31PAS-QX?
All PIMN31PAS-QX units undergo pre-shipment inspection (PSI). If there is an issue with PIMN31PAS-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 PIMN31PAS-QX part is unused and in its original packaging.
Return procedure for PIMN31PAS-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PIMN31PAS-QX Tags
-
SMUN5311DW1T1G
onsemi
-
UMH9NTN
Rohm Semiconductor
-
PUMH13,115
Nexperia USA Inc.
-
PUMD3-QX
Nexperia USA Inc.
-
PUMD2,115
Nexperia USA Inc.
-
RN4987FE,LF(CT
Toshiba Semiconductor and Storage
-
PUMD12,115
Nexperia USA Inc.
-
PUMD9,115
Nexperia USA Inc.
-
PUMH9,115
Nexperia USA Inc.
-
PUMD3,115
Nexperia USA Inc.
-
DCX114EU-7-F
Diodes Incorporated
-
PUMD13,115
Nexperia USA Inc.
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