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Nexperia USA Inc. BSS138PS,115
- Part No.:
- BSS138PS,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- FET, MOSFET Arrays
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
BSS138PS,115.pdf
- Description:
- MOSFET 2N-CH 60V 0.32A 6TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:309,758
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Product details
Overview
BSS138PS from Nexperia is a dual N-channel enhancement-mode Trench MOSFET in SOT363 (SC-88) package, rated for 60 V drain-source voltage, 320 mA continuous drain current per transistor, and 0.9 Ω typical RDS(on) at VGS = 10 V. It serves as a logic-level-compatible low-side load switch or high-speed line driver in compact automotive and industrial control modules.
For engineers reviewing the BSS138PS datasheet, BSS138PS pinout, BSS138PS application, or BSS138PS equivalent, this device is selected for dual-channel switching where AEC-Q101 qualification, fast turn-on/turn-off times (2–20 ns), and sub-1 Ω on-resistance at 5 V gate drive are critical design requirements.
Technical Context
This dual discrete MOSFET integrates two independent N-channel channels sharing no internal connection-each with separate source, gate, and drain terminals. Its Trench MOSFET architecture enables low threshold voltage (1.2 V typ), high transconductance (700 mS typ), and minimal gate charge (0.72 nC typ), supporting clean digital switching at frequencies up to several MHz.
The device operates within −55 °C to +150 °C ambient range and features an AEC-Q101 qualification, confirming robustness for automotive body electronics. Thermal resistance from junction to ambient is 340–390 K/W (per transistor, with 1 cm² drain pad), enabling stable operation under pulsed loads up to 1.2 A peak drain current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 60 V - Maximum blocking voltage per channel; supports 24 V automotive bus switching with margin. |
| ID (continuous) | 320 mA @ Tamb = 25 °C - Sustains steady-state load current for small solenoids or LED strings without forced cooling. |
| RDS(on) | 0.9 Ω typ @ VGS = 10 V, ID = 300 mA - Delivers <100 mW conduction loss at full rated current, minimizing self-heating. |
| VGS(th) | 1.2 V typ @ ID = 250 μA - Fully enhances with standard 3.3 V or 5 V logic outputs, eliminating need for level shifters. |
| QG(tot) | 0.72 nC typ @ VDS = 30 V, VGS = 4.5 V - Enables nanosecond-scale switching with low gate-drive power, suitable for PWM dimming. |
| td(off) | 9 ns typ - Reduces dead-time requirements in complementary-switching topologies and improves signal integrity in data lines. |
Pinout & Package
Package: SOT363 (SC-88), 6-pin surface-mount plastic package with 0.65 mm lead pitch, optimized for high-density PCB layouts and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Source 1 (S1) | Return path for Channel 1; electrically isolated from S2 and all other pins. |
| 2 | Gate 1 (G1) | Control input for Channel 1; requires ≤100 nA leakage current drive. |
| 3 | Drain 2 (D2) | Power output node for Channel 2; connects to load high-side when used in low-side configuration. |
| 4 | Source 2 (S2) | Return path for Channel 2; independent of S1, enabling dual isolated switching paths. |
| 5 | Gate 2 (G2) | Control input for Channel 2; identical electrical behavior to G1, no cross-talk. |
| 6 | Drain 1 (D1) | Power output node for Channel 1; symmetric layout with D2 for balanced routing. |
Key Features
| Feature | Design Value |
|---|---|
| Logic-level gate drive | Operates fully enhanced from 3.3 V microcontroller GPIOs without external level-shifting circuitry. |
| AEC-Q101 qualified | Validated for automotive applications including door modules, lighting controls, and sensor interfaces. |
| Trench MOSFET technology | Delivers lower RDS(on) and higher transconductance than planar alternatives in same footprint. |
| Fast switching performance | Turn-off delay <20 ns and fall time <4 ns enable >10 MHz digital signal routing and PWM control. |
| Low gate charge | 0.72 nC total gate charge reduces driver IC loading and minimizes EMI during edge transitions. |
Applications
| Automotive Door Module | Industrial PLC Output Stage |
|---|---|
|
Use Scenario: Driving four individual window lift motors and mirror adjustment actuators via microcontroller PWM signals. IC Role / Device Role / Timing Role: Dual low-side switch controlling motor direction and speed; each channel independently gated for bidirectional H-bridge half-bridge emulation. Use Value: AEC-Q101 qualification ensures reliability across temperature cycling; 0.9 Ω RDS(on) limits heat rise to <100 mW per channel at 300 mA, avoiding thermal derating. |
Use Scenario: Isolating 24 V DC field outputs from PLC controller logic in factory automation cabinets. IC Role / Device Role / Timing Role: Dual-channel load switch providing galvanically separated 24 V sink outputs for solenoid valves and indicator lamps. Use Value: Independent S1/G1/D1 and S2/G2/D2 terminals allow two completely isolated loads; 60 V rating accommodates inductive kickback suppression without snubbers. |
| USB-C Power Delivery Interface | High-Speed Data Line Protection |
|
Use Scenario: Enabling/disabling VCONN power path and CC line pull-up resistors in USB-C receptacle circuits. IC Role / Device Role / Timing Role: Dual logic-controlled switch managing auxiliary power and configuration channel biasing with precise timing alignment. Use Value: Nanosecond-scale td(off) (9 ns) and tr (3 ns) ensure compliance with USB-C specification timing margins for hot-plug detection. |
Use Scenario: Protecting FPGA I/O banks from overvoltage events on differential LVDS or MIPI D-PHY lanes. IC Role / Device Role / Timing Role: Low-capacitance (38 pF Ciss) dual switch isolating sensitive receivers during system reset or fault conditions. Use Value: 4 pF Crss and 7 pF Coss minimize signal distortion; sub-1 Ω RDS(on) preserves impedance matching below 100 Ω. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual N-channel switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMN2041LSD-13 | Higher RDS(on) (1.4 Ω min @ 4.5 V), larger TSOP-6 package (1.6 × 2.9 mm vs. SOT363's 2.2 × 1.35 mm). | Less suited for space-constrained USB-C or wearables due to 2.5× larger footprint and higher gate charge (1.1 nC). | Select only if board layout allows larger package and gate drive voltage exceeds 4.5 V consistently. |
| FDMA1023NZ | Lower VDS (20 V), higher ID (600 mA), but unqualified for automotive use and lacks AEC-Q101 certification. | Acceptable for consumer-grade IoT hubs but excluded from automotive or industrial safety-critical designs requiring qualification evidence. | Choose only for cost-sensitive non-automotive applications where 60 V blocking is unnecessary and qualification is not mandated. |
Compared with DMN2041LSD-13 and FDMA1023NZ, the BSS138PS uniquely balances AEC-Q101 compliance, ultra-compact SOT363 packaging, and sub-1 Ω RDS(on) at 5 V drive-making it the sole option for automotive-qualified dual switching in <2.5 mm² area budgets.
Availability
BSS138PS is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC output stages, USB-C interface management, and high-speed data line protection requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for BSS138PS 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 efficiency technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and mobile markets.
The BSS138PS belongs to Nexperia's TrenchMOS® discrete portfolio, engineered specifically for space-constrained, high-reliability switching applications demanding AEC-Q101 qualification and logic-level compatibility.
FAQ
Is the BSS138PS suitable for driving inductive loads like relays?
Yes-the BSS138PS is explicitly listed for relay driver applications in its official datasheet. Each channel supports 60 V VDS and handles 1.2 A peak drain current, sufficient to manage flyback energy from typical 12 V/24 V relays. External flyback diodes are recommended for sustained reliability, especially in automotive environments.
Can both channels be used in parallel to increase current capacity?
No-channels are electrically isolated but not matched for current sharing. Parallel operation risks thermal runaway due to parametric mismatch in VGS(th) (0.9–1.5 V) and RDS(on) (0.9–1.6 Ω). The device is specified for 320 mA per channel, and derating is required if ambient temperature exceeds 25 °C.
What is the maximum operating frequency for PWM switching with BSS138PS?
Based on measured td(on) (2 ns), tr (3 ns), td(off) (9 ns), and tf (4 ns), the device supports clean switching up to ~15 MHz for low-duty-cycle signals. For continuous PWM, thermal limits constrain practical operation to ≤1 MHz at full 320 mA load without heatsinking.
Does the SOT363 package support reflow soldering per JEDEC J-STD-020?
Yes-the SOT363 package is qualified for standard lead-free reflow profiles (peak 260 °C, 60 s max above 217 °C). Nexperia provides detailed footprint drawings (Fig 19) and thermal relief recommendations in the datasheet to prevent solder joint voiding and tombstoning during assembly.
BSS138PS,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- TrenchMOS™
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- MOSFET (Metal Oxide)
- Configuration:
- 2 N-Channel (Dual)
- FET Feature:
- Logic Level Gate
- Drain to Source Voltage (Vdss):
- 60V
- Current - Continuous Drain (Id) @ 25°C:
- 320mA
- Rds On (Max) @ Id, Vgs:
- 1.6Ohm @ 300mA, 10V
- Vgs(th) (Max) @ Id:
- 1.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 0.8nC @ 4.5V
- Input Capacitance (Ciss) (Max) @ Vds:
- 50pF @ 10V
- Power - Max:
- 420mW
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSSOP
BSS138PS,115 FAQ
1.How can I place an order for BSS138PS,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BSS138PS,115 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 BSS138PS,115 reliable?
The price and inventory of BSS138PS,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BSS138PS,115 is usually 5 days.
3.What payment methods are accepted for BSS138PS,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BSS138PS,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BSS138PS,115?
BSS138PS,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BSS138PS,115 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 BSS138PS,115?
For technical support, including BSS138PS,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BSS138PS,115 requirements.
6.How does Aetrix verify that BSS138PS,115 is sourced from the original manufacturer or authorized distributors?
All BSS138PS,115 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 BSS138PS,115 meets industry standards.
7.What is the process for return or replacement of BSS138PS,115?
All BSS138PS,115 units undergo pre-shipment inspection (PSI). If there is an issue with BSS138PS,115, 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 BSS138PS,115 part is unused and in its original packaging.
Return procedure for BSS138PS,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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