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Nexperia USA Inc. BAS516-QF
- Part No.:
- BAS516-QF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
BAS516-QF.pdf
- Description:
- BAS516-Q/SOD523/SC-79
- Quantity:
- Payment:
- Shipping:
Inventory:2,197
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Product details
Overview
BAS516-QF from Nexperia is a high-speed switching diode in SOD523 (SC-79) package, rated for 100 V repetitive peak reverse voltage, 4 ns reverse recovery time, and 250 mA forward current at 25 °C ambient. It serves as a fast-turn-off signal path switch in automotive power management and ECU input conditioning circuits.
For engineers reviewing the BAS516-QF datasheet, BAS516-QF pinout, BAS516-QF application, or BAS516-QF equivalent, key selection criteria include trr ≤ 4 ns, VR ≤ 100 V, low leakage (IR ≤ 0.5 µA at VR = 80 V), and AEC-Q101 qualification for under-hood reliability.
Technical Context
The BAS516-QF operates as a single-junction silicon planar epitaxial diode optimized for rapid charge removal during reverse-bias transition. Its trr of 4 ns is measured under IF = IR = 10 mA, RL = 100 Ω, and IR(meas) = 1 mA conditions, confirming suitability for >100 MHz switching waveforms.
Thermal resistance from junction to solder point is 120 K/W, with maximum junction temperature limited to 150 °C. The device sustains 500 mW total power dissipation when mounted on FR4 PCB with standard SOD523 footprint and tin-plated copper.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 100 V - supports 48 V automotive bus transients and 24 V system clamping without breakdown |
| Reverse Recovery Time (trr) | 4 ns - enables clean switching in PWM dimming drivers and CAN/LIN bus protection circuits |
| Forward Voltage (VF) | 855 mV @ 10 mA - minimizes conduction loss in low-power signal routing paths |
| Reverse Leakage (IR) | 0.5 µA @ 80 V, 25 °C - ensures stable biasing in high-impedance sensor interface nodes |
| Diode Capacitance (Cd) | 1 pF @ 0 V, 1 MHz - preserves signal integrity in RF front-end ESD clamp networks |
| Junction Temperature (Tj) | 150 °C max - allows operation in engine control modules with localized thermal hotspots |
Pinout & Package
Package: SOD523 (SC-79), ultra-small surface-mount plastic package measuring 1.2 mm × 0.8 mm × 0.6 mm body height, qualified per AEC-Q101 for automotive use.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to higher-potential node during reverse bias; solder point defines thermal path (Rth(j-sp) = 120 K/W) |
| 2 | Anode (A) | Forward current entry point; polarity marking '6' on top surface identifies cathode side |
Key Features
| Feature | Design Value |
|---|---|
| High-speed switching | trr ≤ 4 ns enables use in 200+ MHz clock line clamping and data-line transient suppression |
| AEC-Q101 qualification | Validated for automotive under-hood environments including temperature cycling (-40 °C to 150 °C) and mechanical shock |
| Low capacitance | 1 pF at 0 V reverse bias maintains bandwidth in high-frequency signal path protection |
| Low leakage current | 0.5 µA at 80 V reverse bias prevents false triggering in high-gain analog sensing inputs |
Applications
| Automotive Body Control Module | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Reverse polarity protection and ESD clamping on LIN bus lines in door module ECUs. IC Role / Device Role / Timing Role: Fast-switching diode providing bidirectional transient suppression while maintaining <1 ns propagation delay. Use Value: Prevents latch-up during load-dump events up to 100 V without degrading 19.2 kbps LIN timing margins. |
Use Scenario: Input protection for 24-bit sigma-delta ADC reference inputs in precision pressure transducers. IC Role / Device Role / Timing Role: Low-leakage clamp diode preserving DC accuracy and minimizing offset drift over temperature. Use Value: Limits IR-induced error to <0.1 µV at 25 °C, enabling ±0.001% full-scale measurement stability. |
| USB Type-C Port Protection | LED Driver Flyback Snubber |
Use Scenario: ESD and overvoltage clamping on CC and SBU pins of automotive infotainment USB-C ports. IC Role / Device Role / Timing Role: Ultra-low-capacitance (1 pF) switching diode placed adjacent to connector to minimize stub length impact. Use Value: Maintains USB 2.0 signal integrity (≤15 pF total path capacitance) while surviving IEC 61000-4-2 ±15 kV contact discharge. |
Use Scenario: Snubber network in constant-current LED driver for adaptive headlamps, absorbing inductive kickback from buck converter switches. IC Role / Device Role / Timing Role: Fast-recovery diode conducting flyback energy during MOSFET off-time with minimal voltage overshoot. Use Value: Limits VFRM to 1.75 V, reducing snubber resistor power dissipation by 35% versus standard 1N4148 alternatives. |
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 NSVRBAS516WT1G | Identical SOD523 package, trr = 4 ns, but VF = 900 mV @ 10 mA and IR = 1 µA @ 80 V | Slightly higher forward drop increases conduction loss in battery-powered sensor nodes | Select when second-source qualification is required and 0.045 V VF penalty is acceptable |
| Vishay ES1JHM3/84A | SOD-123 package (larger), trr = 35 ns, VR = 600 V, Cd = 15 pF - slower, higher voltage, higher capacitance | Not suitable for >10 MHz signal paths; used where surge robustness outweighs speed | Choose only for 400–600 V transient suppression where speed is secondary to clamping voltage margin |
Compared with NSVRBAS516WT1G and ES1JHM3/84A, the BAS516-QF delivers optimal balance of speed (4 ns), low capacitance (1 pF), and automotive qualification - making it the preferred choice for space-constrained, high-frequency automotive signal protection.
Availability
BAS516-QF is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, and USB-C port protection requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for BAS516-QF 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.
The BAS516-QF belongs to Nexperia's AEC-Q101-qualified high-speed diode product line, engineered specifically for signal integrity preservation and transient resilience in automotive electronics and industrial control systems.
FAQ
Is BAS516-QF compatible with lead-free reflow soldering processes?
Yes. The BAS516-QF is qualified for lead-free reflow per J-STD-020, with peak temperature tolerance up to 260 °C for 30 seconds. Its SC-79 package uses matte tin plating and meets IPC/JEDEC standards for wetting balance and intermetallic formation control.
What is the maximum allowable forward surge current for BAS516-QF?
The non-repetitive peak forward current (IFSM) is 4 A for 1 µs square-wave pulses at Tj(init) = 25 °C. For 1 ms pulses, IFSM drops to 1 A. Exceeding these limits risks metallization failure or bond wire lift-off due to localized thermal stress.
Does BAS516-QF require derating at elevated ambient temperatures?
Yes. At Tamb = 125 °C, the maximum continuous forward current must be reduced to 125 mA to maintain Tj ≤ 150 °C, based on Rth(j-sp) = 120 K/W and Ptot = 500 mW limit. Derating follows linear interpolation between 25 °C (250 mA) and 150 °C (0 mA).
Can BAS516-QF be used in series or parallel configurations?
Series connection is permissible for increased VR rating (e.g., two devices for 200 V), but requires matched trr and VF to avoid voltage imbalance. Parallel operation is not recommended due to thermal runaway risk from positive temperature coefficient of VF and lack of integrated current-sharing features.
BAS516-QF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-79, SOD-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 250mA
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 150 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 500 nA @ 80 V
- Capacitance @ Vr, F:
- 1pF @ 0V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
- Operating Temperature - Junction:
- 150°C
BAS516-QF FAQ
1.How can I place an order for BAS516-QF through Aetrix?
Please submit a Request for Quotation (RFQ) for BAS516-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 BAS516-QF reliable?
The price and inventory of BAS516-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAS516-QF is usually 5 days.
3.What payment methods are accepted for BAS516-QF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAS516-QF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAS516-QF?
BAS516-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAS516-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 BAS516-QF?
For technical support, including BAS516-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAS516-QF requirements.
6.How does Aetrix verify that BAS516-QF is sourced from the original manufacturer or authorized distributors?
All BAS516-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 BAS516-QF meets industry standards.
7.What is the process for return or replacement of BAS516-QF?
All BAS516-QF units undergo pre-shipment inspection (PSI). If there is an issue with BAS516-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 BAS516-QF part is unused and in its original packaging.
Return procedure for BAS516-QF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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