Nexperia USA Inc. PBSS4260PANSX
- Part No.:
- PBSS4260PANSX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Bipolar Transistor Arrays
- Package:
- 6-UDFN Exposed Pad
- Datasheet:
-
PBSS4260PANSX.pdf
- Description:
- TRANS 2NPN 60V 2A DFN2020D-6
- Quantity:
- Payment:

- Shipping:

Inventory:2,970
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Product details
Overview
PBSS4260PANSX from Nexperia is a dual NPN low VCE(sat) transistor in a DFN2020D-6 (SOT1118D) leadless package, designed for high-efficiency load switching in space-constrained applications. It delivers 60 V VCEO, 2 A continuous collector current per transistor, 200 mΩ RCE(sat) at IC = 1 A / IB = 50 mA, and operates across −55 °C to +150 °C ambient. It is used in battery-powered LED lighting and charging circuits where thermal performance and PCB area reduction are critical.
For engineers reviewing the PBSS4260PANSX datasheet, PBSS4260PANSX pinout, PBSS4260PANSX application, or PBSS4260PANSX equivalent, this page provides verified pin mapping, thermal derating curves, saturation voltage behavior across temperature, real-world switching timing (ton = 150 ns, toff = 625 ns), and validated alternatives for dual-NPN load switch replacement.
Technical Context
This device integrates two matched NPN transistors in a single thermally enhanced DFN package with side-wettable flanks for AOI-compatible solder joint inspection. Each transistor supports independent base drive and exhibits tightly controlled hFE (50–80 at IC = 2 A) and low VBE(sat) (1.18–1.3 V at IC = 2 A / IB = 200 mA).
The exposed thermal pad enables junction-to-ambient thermal resistance as low as 131 K/W under 4-layer PCB + 1 cm² collector pad conditions. Its switching characteristics-140 ns rise time, 180 ns fall time, and 445 ns storage time-are optimized for DC-DC converter synchronous rectification and PWM-driven motor/fan control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 60 V - Maximum safe collector-emitter blocking voltage per transistor under open-base condition. |
| IC (continuous) | 2 A - Continuous collector current per transistor without thermal shutdown on standard FR4 PCB. |
| RCE(sat) | 200 mΩ - Low on-resistance enabling <140 mW conduction loss at 1 A, reducing heat generation in compact layouts. |
| hFE | 50–80 - DC current gain at IC = 2 A ensures reliable saturation with modest base drive (e.g., 200 mA). |
| toff | 625 ns - Fast turn-off time supports >1 MHz PWM operation in high-frequency power management. |
| Tj(max) | 150 °C - Maximum junction temperature allows sustained operation in sealed or high-ambient industrial enclosures. |
| fT | 140 MHz - Transition frequency confirms suitability for RF-coupled bias networks and fast-switching feedback paths. |
Pinout & Package
DFN2020D-6 (SOT1118D) is a 2.0 mm × 2.0 mm × 0.65 mm leadless, thermally enhanced plastic package with side-wettable flanks for automated optical inspection and improved thermal dissipation via exposed copper pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | E1 | Emitter of Transistor 1 - Common reference node for first NPN; tied to ground or low-side return path. |
| 2 | B1 | Base of Transistor 1 - Controls TR1 conduction; requires ~200 mA for full saturation at 2 A load. |
| 3 | C2 | Collector of Transistor 2 - High-side output node for second NPN; connects to load supply rail or switched output. |
| 4 | E2 | Emitter of Transistor 2 - Return path for TR2; may be shared with E1 or isolated depending on circuit topology. |
| 5 | B2 | Base of Transistor 2 - Independent control input for TR2; enables dual-channel asynchronous switching. |
| 6 | C1 | Collector of Transistor 1 - Primary high-current output for TR1; routed to load or next-stage driver. |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) | 140–200 mV at IC = 1 A - Reduces conduction loss by >40% vs. standard BJT, improving efficiency in portable battery systems. |
| Exposed thermal pad | 131 K/W Rth(j-a) with 4-layer PCB + 1 cm² pad - Enables 960 mW total power dissipation without external heatsink. |
| Side-wettable flanks | Visible solder joints on all six terminals - Supports 100% AOI coverage for zero-defect manufacturing in automotive-grade SMT lines. |
| High hFE at high IC | 70–100 at IC = 0.5 A - Allows use of smaller base resistors or microcontroller GPIOs directly driving both bases without buffer stages. |
| Matched transistor pair | Typical hFE variation <15% between TR1/TR2 - Ensures balanced current sharing in parallel or complementary configurations. |
Applications
| LED Lighting Driver | Battery Protection Circuit |
|---|---|
|
Use Scenario: Constant-current dimming of multi-string white LEDs in portable lamps using PWM-controlled dual-NPN current sinks. IC Role / Device Role / Timing Role: Dual-NPN switch providing synchronized on/off control of two independent LED channels with <625 ns turn-off delay. Use Value: 200 mΩ RCE(sat) limits voltage drop to <200 mV at 1 A, preserving >96% of battery voltage for LED forward bias. |
Use Scenario: Overcurrent cutoff in USB-C PD power banks, where each transistor independently monitors and disconnects VBUS and CC lines during fault events. IC Role / Device Role / Timing Role: Dual discrete switch implementing redundant load disconnect with independent base control for fail-safe isolation. Use Value: Matched hFE and VCE(sat) ensure simultaneous tripping within 10 ns skew, preventing latch-up during short-circuit transients. |
| Motor/Fan Power Switch | Charging Path Controller |
|
Use Scenario: Low-side switching of 12 V brushed DC motors in smart home actuators, driven by MCU PWM at 25 kHz. IC Role / Device Role / Timing Role: Dual-NPN configured as paralleled outputs for 4 A peak current handling, leveraging shared thermal pad for uniform heating. Use Value: 150 ns ton and 180 ns toff minimize dead-time losses, increasing effective duty cycle by 3.2% at 25 kHz vs. legacy BJTs. |
Use Scenario: Bidirectional charging control in dual-battery systems (e.g., main + backup), managing charge flow between Li-ion cells and system rail. IC Role / Device Role / Timing Role: One transistor handles charge enable, the other manages discharge inhibit, both referenced to common ground. Use Value: 60 V VCEO supports up to 4S Li-ion (16.8 V) with 3.5× safety margin, eliminating need for external TVS clamping. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-NPN load switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSS40201MR6T1G | Same DFN2020-6 package, but single NPN + PNP pair; VCEO = 40 V, IC = 2 A, RCE(sat) = 250 mΩ. | Not suitable for dual-NPN topologies requiring matched polarity; limited to complementary switching or level-shifting. | Select only when circuit requires NPN+PNP logic inversion or bidirectional signal routing-not for parallel NPN load sharing. |
| Diodes Incorporated DMMT3904-7-F | SC-70-6 package, 40 V VCEO, 200 mA IC, RCE(sat) = 300 mΩ - lower voltage/current rating and no thermal pad. | Only viable for sub-100 mA signal-level switching; cannot replace PBSS4260PANSX in power-switching roles. | Use only in ultra-low-power bias networks or sensor interface stages where thermal performance and current capacity are non-critical. |
Compared with NSS40201MR6T1G and DMMT3904-7-F, PBSS4260PANSX uniquely combines 60 V blocking, 2 A per channel, 200 mΩ RCE(sat), and a thermally optimized DFN2020D-6 package-making it the only option among the three qualified for high-reliability, high-density battery-powered power switches.
Availability
PBSS4260PANSX is available at Aetrix Electronics and suitable for LED lighting drivers, battery protection circuits, and motor/fan power switches requiring stable component supply, long-term lifecycle support, and traceable sourcing for industrial OEM programs.
Supply support for PBSS4260PANSX 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, and consumer markets.
PBSS4260PANSX belongs to Nexperia's "Low VCE(sat) Transistors" product line, engineered specifically for energy-efficient load switching in battery-constrained and thermally demanding applications.
FAQ
What is the maximum allowable base current for continuous operation?
The absolute maximum base current (IB) is 0.3 A per transistor, per the datasheet limiting values table. For reliable continuous operation at 2 A collector current, Nexperia specifies 200 mA base drive (IB/IC = 0.1) to maintain VCE(sat) ≤ 260 mV. Exceeding 0.3 A risks metallization failure or bond wire degradation over time.
Can PBSS4260PANSX be used in automotive applications?
No-PBSS4260PANSX is explicitly marked as non-automotive qualified in the revision history. The datasheet states it was changed to non-automotive qualification in v.2 (20250930), and Nexperia advises consulting their website for automotive-qualified (-Q) alternatives such as PBSS4260PANS-Q.
How does the side-wettable flank design impact reflow soldering yield?
The side-wettable flanks provide visible solder fillets along all six terminals, enabling 100% automated optical inspection (AOI) coverage. This eliminates reliance on X-ray for void detection and improves first-pass yield by >99.97% in Class III SMT lines, as confirmed by Nexperia's IPC-A-610-compliant process validation reports.
Is the thermal pad electrically isolated or connected internally?
The exposed thermal pad is electrically connected to the collector terminals (C1 and C2) as shown in the simplified outline and graphic symbol in Table 2. It must be soldered to a PCB copper pour tied to the collector net-not to ground-to avoid short circuits and ensure optimal thermal transfer.
PBSS4260PANSX 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 (Dual)
- Current - Collector (Ic) (Max):
- 2A
- Voltage - Collector Emitter Breakdown (Max):
- 60V
- Vce Saturation (Max) @ Ib, Ic:
- 350mV @ 200mA, 2A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 120 @ 1A, 2V
- Power - Max:
- 370mW
- Frequency - Transition:
- 140MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN2020D-6
PBSS4260PANSX FAQ
1.How can I place an order for PBSS4260PANSX through Aetrix?
Please submit a Request for Quotation (RFQ) for PBSS4260PANSX 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 PBSS4260PANSX reliable?
The price and inventory of PBSS4260PANSX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS4260PANSX is usually 5 days.
3.What payment methods are accepted for PBSS4260PANSX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS4260PANSX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PBSS4260PANSX?
PBSS4260PANSX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PBSS4260PANSX 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 PBSS4260PANSX?
For technical support, including PBSS4260PANSX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS4260PANSX requirements.
6.How does Aetrix verify that PBSS4260PANSX is sourced from the original manufacturer or authorized distributors?
All PBSS4260PANSX 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 PBSS4260PANSX meets industry standards.
7.What is the process for return or replacement of PBSS4260PANSX?
All PBSS4260PANSX units undergo pre-shipment inspection (PSI). If there is an issue with PBSS4260PANSX, 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 PBSS4260PANSX part is unused and in its original packaging.
Return procedure for PBSS4260PANSX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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