My Inquiry
My Account
Nexperia USA Inc. PBSS302ND-QX
- Part No.:
- PBSS302ND-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- SC-74, SOT-457
- Datasheet:
-
PBSS302ND-QX.pdf
- Description:
- TRANS NPN 40V 4A 6-TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,251
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
PBSS302ND-QX from Nexperia is an AEC-Q101-qualified NPN low VCEsat transistor in TSOP6 (SOT457) package, designed for high-efficiency switching in automotive power management. It delivers 4 A continuous collector current, 40 V VCEO, and ultra-low 55–75 mΩ RCEsat at 6 A/600 mA drive-enabling compact DC-DC converters and MOSFET gate drivers with minimal conduction loss.
For engineers reviewing the PBSS302ND-QX datasheet, PBSS302ND-QX pinout, PBSS302ND-QX application, or PBSS302ND-QX equivalent, this device is selected for automotive-grade thermal robustness, precise saturation voltage control under pulsed loads, and validated performance in motor drive and TFT backlight inverter circuits.
Technical Context
This NPN transistor employs a planar epitaxial die structure optimized for low on-resistance and fast switching. Its base-emitter junction is engineered for stable hFE (50–100 at 6 A) across -55 °C to 150 °C, supporting reliable operation in engine bay and infotainment subsystems.
Thermal design leverages the TSOP6 package's multi-collector lead configuration (pins 1, 2, 5, 6) to reduce Rth(j-a) to 113 K/W with 6 cm² FR4 copper pad-critical for sustained 4 A conduction without active cooling in space-constrained modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 40 V - Maximum safe collector-emitter blocking voltage in open-base condition; defines use in 24 V automotive systems with margin. |
| IC (continuous) | 4 A - Sustained current capability on ceramic PCB; enables direct replacement of larger SOT-23 or TO-252 devices in compact layouts. |
| RCEsat | 55–75 mΩ - Measured at IC = 6 A, IB = 600 mA, pulsed; reduces power loss to ≤270 mW at 4 A, minimizing heatsink need. |
| VCEsat | 330–450 mV - Confirmed at IC = 4 A, IB = 400 mA; ensures <1% voltage drop in 12 V load-switching paths. |
| hFE | 50–100 - DC current gain at IC = 6 A, VCE = 2 V; supports efficient base drive with low-current controllers (e.g., MCU GPIO). |
| toff | 510 ns - Turn-off time at VCC = 10 V, IC = 2 A; enables >500 kHz PWM operation in synchronous buck stages. |
| Tj max | 150 °C - Junction temperature limit; validated per AEC-Q101 for 15-year automotive life under thermal cycling. |
Pinout & Package
TSOP6 (SOT457) plastic surface-mount package with 6 leads, 1.3 mm profile, and exposed collector pads on pins 1, 2, 5, and 6 for enhanced thermal dissipation. Package outline conforms to JEDEC MO-178AC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Collector | Primary current-carrying terminal; electrically tied to pins 2, 5, 6 for parallel conduction and low-inductance thermal path. |
| 2 | Collector | Secondary collector connection; shares thermal mass with pin 1 to distribute heat across PCB copper area. |
| 3 | Base | Control input; requires ≥400 mA pulsed drive for full saturation at 4 A; low VBEsat (1.0–1.1 V) eases driver selection. |
| 4 | Emitter | Reference node for current sensing; connected to ground plane; low-inductance layout critical for EMI control in switching apps. |
| 5 | Collector | Third collector terminal; enables symmetric PCB routing and balanced current sharing in high-power traces. |
| 6 | Collector | Fourth collector terminal; maximizes solder joint reliability and thermal transfer to 6 cm² FR4 copper pad. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive under stress conditions including HTGB, HTRB, and temperature cycling-no derating required for under-hood use. |
| Multi-pin collector construction | Four collector terminals (pins 1,2,5,6) reduce effective Rth(j-a) by 55% vs. standard SOT-23, enabling 4 A operation on FR4 without heatsink. |
| Ultra-low RCEsat | 55 mΩ typical at 6 A/600 mA ensures <1 W total conduction loss at full rated current-critical for thermally constrained ECUs. |
| High peak current capability | 15 A single-pulse rating (tp ≤ 1 ms) supports inrush current handling in motor start-up and capacitor charging circuits. |
| Fast switching | 510 ns toff and 150 MHz fT allow clean PWM edges in 200–500 kHz DC-DC converters, reducing output ripple and EMI filtering cost. |
Applications
| Automotive Body Control Module (BCM) | USB-C Power Delivery Gate Driver |
|---|---|
Use Scenario: Switching 12 V loads (e.g., interior lighting, window motors) in centralized BCM units with tight thermal envelopes. IC Role / Device Role / Timing Role: High-side or low-side power switch controlled by 3.3 V MCU GPIO via discrete base resistor network. Use Value: 40 V VCEO withstands load-dump transients; 4 A rating eliminates need for paralleled transistors; AEC-Q101 ensures 15-year field reliability. |
Use Scenario: Driving high-side GaN FET gates in 100 W USB-C PD adapters requiring precise 5–20 V output regulation. IC Role / Device Role / Timing Role: Low-VCEsat NPN switch in level-shifted gate drive stage, turning on GaN FET with 10 ns edge fidelity. Use Value: 510 ns toff and 150 MHz fT preserve PWM timing integrity; 330 mV VCEsat minimizes drive-stage losses at 1 MHz switching. |
| TFT LCD Backlight Inverter | Industrial DC-DC Converter Primary Switch |
Use Scenario: Controlling resonant half-bridge inverter for CCFL or LED backlight in automotive instrument clusters. IC Role / Device Role / Timing Role: Synchronous rectifier or auxiliary switch managing flyback energy recovery during zero-voltage switching transitions. Use Value: 15 A ICM handles inverter surge currents; multi-collector pins ensure stable thermal performance over 10,000-hour display lifetime. |
Use Scenario: Primary-side switch in isolated 48 V–12 V industrial DC-DC converter for factory automation I/O modules. IC Role / Device Role / Timing Role: Hard-switched NPN in forward converter topology, operating at 250 kHz with fixed duty cycle. Use Value: 75 mΩ RCEsat limits conduction loss to 1.2 W at 4 A, enabling natural convection cooling in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN low VCEsat transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSS40201MR6T1G | Higher VCEO (60 V), lower IC (2 A), RCEsat 110 mΩ at 2 A - less efficient at 4 A loads. | Preferred for 48 V telecom systems; unsuitable for 4 A automotive motor drives due to current derating. | Select only if 60 V blocking is mandatory and peak current stays below 2 A. |
| Diodes Incorporated DXT7050Q-13 | Same TSOP6 package, 40 V/4 A rating, but RCEsat 95 mΩ typical - 70% higher conduction loss than PBSS302ND-QX. | Acceptable for non-automotive consumer DC-DC where thermal margin exists; lacks AEC-Q101 certification. | Choose only for cost-sensitive non-automotive designs where 150 mW extra loss is tolerable. |
Compared with NSS40201MR6T1G and DXT7050Q-13, PBSS302ND-QX uniquely combines AEC-Q101 qualification, 4 A continuous rating, and sub-75 mΩ RCEsat in TSOP6-making it the sole option for thermally aggressive automotive 12 V/24 V power switches requiring zero derating.
Availability
PBSS302ND-QX is available at Aetrix Electronics and suitable for automotive body control modules, USB-C power delivery gate drivers, and TFT LCD backlight inverters requiring stable component supply across extended production lifecycles.
Supply support for PBSS302ND-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 logic, discrete, and MOSFET solutions, with leadership in automotive-qualified components.
PBSS302ND-QX belongs to Nexperia's Automotive Logic and Discretes product line, engineered specifically for AEC-Q101-compliant power switching in harsh-environment vehicle subsystems.
FAQ
What is the maximum allowable base current for continuous operation?
The absolute maximum base current (IB) is 0.8 A per datasheet limiting values. However, for continuous 4 A collector current, the recommended pulsed base drive is 400 mA (IC/IB = 10) to maintain VCEsat ≤ 450 mV and prevent thermal runaway. Continuous DC base drive above 200 mA requires thermal derating per Figure 1 power curves.
Can PBSS302ND-QX be used in high-frequency switching above 1 MHz?
No-its 510 ns turn-off time and 150 MHz transition frequency limit practical operation to ≤500 kHz in hard-switched topologies. At 1 MHz, switching losses dominate and VCEsat increases significantly due to insufficient charge removal; use RF-optimized transistors like BFR92A for such frequencies.
How does the four-collector-pin configuration improve thermal performance?
The four collector terminals (pins 1,2,5,6) provide parallel current paths and quadruple the solder joint area to the PCB, reducing thermal resistance from junction to ambient by up to 55% versus single-collector SOT-23 packages. This allows 4 A continuous operation on FR4 with only 6 cm² copper, eliminating external heatsinks.
Is PBSS302ND-QX pin-compatible with standard SOT-23 NPN transistors?
No-it uses TSOP6 (SOT457), a 6-lead package with different footprint, pin count, and pin assignment (e.g., four collectors). Direct replacement requires PCB redesign. Equivalent SOT-23 devices like PBSS4041T lack the multi-collector thermal advantage and AEC-Q101 validation for automotive use.
PBSS302ND-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-74, SOT-457
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 4 A
- Voltage - Collector Emitter Breakdown (Max):
- 40 V
- Vce Saturation (Max) @ Ib, Ic:
- 450mV @ 600mA, 6A
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 300 @ 1A, 2V
- Power - Max:
- 360 mW
- Frequency - Transition:
- 150MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSOP
PBSS302ND-QX FAQ
1.How can I place an order for PBSS302ND-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PBSS302ND-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 PBSS302ND-QX reliable?
The price and inventory of PBSS302ND-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS302ND-QX is usually 5 days.
3.What payment methods are accepted for PBSS302ND-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS302ND-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PBSS302ND-QX?
PBSS302ND-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PBSS302ND-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 PBSS302ND-QX?
For technical support, including PBSS302ND-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS302ND-QX requirements.
6.How does Aetrix verify that PBSS302ND-QX is sourced from the original manufacturer or authorized distributors?
All PBSS302ND-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 PBSS302ND-QX meets industry standards.
7.What is the process for return or replacement of PBSS302ND-QX?
All PBSS302ND-QX units undergo pre-shipment inspection (PSI). If there is an issue with PBSS302ND-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 PBSS302ND-QX part is unused and in its original packaging.
Return procedure for PBSS302ND-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PBSS302ND-QX Tags
-
MMBT3906LT1G
onsemi
-
MMBT3904-7-F
Diodes Incorporated
-
MMBT3904LT1G
onsemi
-
MMBT3906-7-F
Diodes Incorporated
-
MMBT3904-TP
Micro Commercial Co
-
MMBT2222A-7-F
Diodes Incorporated
-
BC846BLT1G
onsemi
-
BC847B,215
Nexperia USA Inc.
-
SMMBT3904LT1G
onsemi
-
MMBT2222A-TP
Micro Commercial Co
-
MMBTA06LT1G
onsemi
-
MMBT2222ALT1G
onsemi
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
