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Nexperia USA Inc. BAS16W-QF
- Part No.:
- BAS16W-QF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
BAS16W-QF.pdf
- Description:
- BAS16W-Q/SOT323/SC-70
- Quantity:
- Payment:
- Shipping:
Inventory:4,217
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Product details
Overview
BAS16W-Q from Nexperia is a high-speed switching diode in SOT323 (SC-70) package, rated for 100 V repetitive peak reverse voltage, 4 ns reverse recovery time, and 175 mA continuous forward current. It serves as a fast-switching signal path or clamping element in automotive power management, ESD-protected I/O interfaces, and high-frequency DC-DC converter snubbers.
For engineers reviewing the BAS16W-Q datasheet, BAS16W-Q pinout, BAS16W-Q application, or BAS16W-Q equivalent, key selection criteria include trr ≤ 4 ns at IF = 10 mA, VR = 100 V compliance, AEC-Q101 qualification, low 1.5 pF capacitance at 0 V, and SOT323 thermal resistance of 625 K/W in free air.
Technical Context
The BAS16W-Q employs a planar epitaxial silicon structure optimized for rapid carrier recombination, enabling sub-4 ns reverse recovery under standardized test conditions (IF = IR = 10 mA, RL = 100 Ω). Its junction temperature rating of 150 °C and AEC-Q101 qualification confirm suitability for under-hood automotive environments.
Thermal performance is defined by Rth(j-a) = 625 K/W (FR4 PCB, single-sided copper) and Rth(j-sp) = 300 K/W, supporting reliable operation in compact, thermally constrained layouts. The n.c. (pin 2) terminal provides mechanical stability without electrical function, consistent with SC-70 leadframe design.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - supports 24 V and 48 V automotive bus protection with 2× safety margin |
| trr | 4 ns - enables >100 MHz switching in flyback snubbers and data line clamping |
| IR @ 80 V | 0.5 µA - ensures minimal leakage in battery-backed signal paths at 25 °C |
| Cd @ 0 V | 1.5 pF - preserves signal integrity in RF-coupled or high-speed digital I/O lines |
| VF @ 10 mA | 855 mV - limits conduction loss to <8.6 mW in low-current logic-level clamping |
| Ptot | 200 mW - defines maximum dissipation on standard FR4 with no heatsink required |
| Tj max | 150 °C - meets AEC-Q101 temperature cycling and storage requirements |
Pinout & Package
Package: SOT323 (SC-70), 3-lead surface-mount plastic package, 2.0 mm × 1.25 mm × 0.95 mm body, 1.3 mm lead pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (A) | Forward current entry point; connects to higher-potential node in clamping or switching path |
| 2 | Not connected (n.c.) | Mechanical support only; must remain unconnected in PCB layout to avoid parasitic coupling |
| 3 | Cathode (K) | Forward current exit and reverse-blocking terminal; ties to reference or ground plane |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD (HBM ≥ 8 kV) |
| trr ≤ 4 ns | Enables clean edge transitions in 100+ MHz clock distribution and pulse shaping circuits |
| Low Cd = 1.5 pF | Minimizes capacitive loading on high-impedance sensor outputs or ADC input buffers |
| IF = 175 mA continuous | Supports sustained current in LED biasing, level-shifting, and small-signal rectification |
| VR = 100 V | Provides headroom for transient suppression in 24 V CAN/LIN networks and infotainment power rails |
Applications
| Automotive Power Rail Clamping | High-Speed Data Line Protection |
|---|---|
Use Scenario: Suppressing load-dump transients on 12 V/24 V vehicle power buses feeding ECUs and sensors. IC Role / Device Role / Timing Role: Fast-recovery clamping diode placed between rail and ground to shunt surge energy before TVS activation. Use Value: 4 ns trr ensures clamping response within first 10 ns of transient onset, reducing voltage overshoot by up to 18% versus 20 ns diodes. | Use Scenario: Protecting UART, LIN, or CAN FD transceiver I/O pins from ESD and cable-induced surges. IC Role / Device Role / Timing Role: Low-capacitance steering diode in series with TVS, limiting dynamic impedance during fast-rising events. Use Value: 1.5 pF capacitance prevents signal degradation above 500 Mbps, maintaining eye diagram integrity. |
| DC-DC Converter Snubber | Logic-Level Signal Level Shifting |
Use Scenario: Damping voltage spikes across synchronous rectifier MOSFETs in 500 kHz–1 MHz buck converters. IC Role / Device Role / Timing Role: High-speed recovery diode in RCD snubber network, absorbing turn-off energy from transformer leakage inductance. Use Value: Sub-4 ns trr reduces snubber ring duration by 65%, lowering RMS losses in the damping resistor by 32%. | Use Scenario: Translating 1.8 V GPIO signals to 3.3 V microcontroller inputs while preserving rise/fall times. IC Role / Device Role / Timing Role: Passive level shifter using forward-biased diode drop to offset logic thresholds. Use Value: 855 mV VF at 10 mA yields stable 1.8 V → 2.65 V translation with <0.5 ns jitter contribution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed switching diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MMBD1201LT1G | trr = 3.5 ns (typ), VR = 100 V, Cd = 1.2 pF, same SOT-323 package | Slightly faster recovery but lower IF rating (150 mA vs. 175 mA); not AEC-Q101 qualified | Select when ultra-low trr dominates over automotive qualification and higher IF capability |
| Diodes Incorporated BAV99WQ-7-F | Dual diode array in SOT-363; trr = 4 ns, VR = 70 V per diode, AEC-Q101 qualified | Limited to 70 V systems; dual configuration saves board space but increases parasitic coupling risk | Select for space-constrained dual-rail clamping where 70 V rating suffices and layout allows shared cathode/anode routing |
Compared with MMBD1201LT1G and BAV99WQ-7-F, the BAS16W-Q uniquely balances AEC-Q101 compliance, 100 V rating, and 175 mA IF in a single-diode SOT323, making it optimal for cost-sensitive, single-channel automotive power rail protection.
Availability
BAS16W-Q is available at Aetrix Electronics and suitable for automotive ECU power conditioning, industrial sensor interface protection, and high-frequency DC-DC snubber circuits requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for BAS16W-Q 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 discrete and logic devices, with leadership in automotive-qualified components and advanced packaging technologies.
The BAS16W-Q belongs to Nexperia's AEC-Q101-qualified high-speed switching diode product line, engineered specifically for robust transient suppression and fast signal routing in automotive power and communication subsystems.
FAQ
What is the maximum allowable junction temperature for continuous operation?
The BAS16W-Q has a maximum junction temperature (Tj) rating of 150 °C, verified per AEC-Q101 stress testing. Continuous operation at this limit requires thermal design ensuring Rth(j-a) ≤ 625 K/W on FR4 PCB with single-sided copper, and ambient temperature ≤ 125 °C. Derating is mandatory above Tamb = 85 °C.
Is pin 2 electrically functional or purely mechanical?
Pin 2 is explicitly designated "n.c." (not connected) in the official Nexperia datasheet and pinning table. It serves only as a mechanical support for the leadframe and must remain unconnected in PCB layout-no trace, pad, or via should contact it to prevent unintended coupling or solder bridging.
How does the 4 ns trr value translate to real-world switching frequency capability?
A 4 ns reverse recovery time supports reliable operation up to approximately 125 MHz in hard-switched applications, assuming trr contributes ≤10% of the switching period. At 100 MHz (10 ns period), the diode recovers fully before the next polarity reversal, minimizing cross-conduction loss and voltage overshoot in snubber and clamp circuits.
Can BAS16W-Q replace BAS16 in existing designs?
Yes-BAS16W-Q is a direct AEC-Q101-qualified replacement for the legacy BAS16, sharing identical electrical specs (VRRM = 100 V, trr ≤ 4 ns, VF ≈ 855 mV), SOT323 package, and pinout. The "-Q" suffix denotes automotive qualification; no layout or schematic changes are needed for drop-in upgrade in new or revised automotive designs.
BAS16W-QF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 175mA
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 150 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 500 nA @ 80 V
- Capacitance @ Vr, F:
- 1.5pF @ 0V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
- Operating Temperature - Junction:
- 150°C
BAS16W-QF FAQ
1.How can I place an order for BAS16W-QF through Aetrix?
Please submit a Request for Quotation (RFQ) for BAS16W-QF 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 BAS16W-QF reliable?
The price and inventory of BAS16W-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAS16W-QF is usually 5 days.
3.What payment methods are accepted for BAS16W-QF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAS16W-QF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAS16W-QF?
BAS16W-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAS16W-QF 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 BAS16W-QF?
For technical support, including BAS16W-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAS16W-QF requirements.
6.How does Aetrix verify that BAS16W-QF is sourced from the original manufacturer or authorized distributors?
All BAS16W-QF 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 BAS16W-QF meets industry standards.
7.What is the process for return or replacement of BAS16W-QF?
All BAS16W-QF units undergo pre-shipment inspection (PSI). If there is an issue with BAS16W-QF, 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 BAS16W-QF part is unused and in its original packaging.
Return procedure for BAS16W-QF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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