Diodes Incorporated BAS16W-7
- Part No.:
- BAS16W-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- -
- Datasheet:
-
BAS16W-7.pdf
- Description:
- DIODE GEN PURP 75V 150MA SOT323
- Quantity:
- Payment:

- Shipping:

Inventory:6
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Product details
Overview
BAS16W-7 from Diodes Incorporated is a surface-mount fast-switching silicon switching diode in SOT323 package, rated for 75 V peak repetitive reverse voltage, 300 mA forward current, and 4.0 ns reverse recovery time. It delivers high conductance with low forward voltage (0.715 V at 1 mA), supports general-purpose signal routing and clamping in compact consumer and industrial electronics, and meets JEDEC high-reliability standards.
For engineers reviewing the BAS16W-7 datasheet, BAS16W-7 pinout, BAS16W-7 application, or BAS16W-7 equivalent, key selection criteria include reverse recovery speed, thermal resistance (625 °C/W), junction temperature range (–55 to +150 °C), and compatibility with automated SMT assembly on FR4 PCBs using standard SOT323 pad layouts.
Technical Context
This diode operates as a unidirectional, low-capacitance (≤2.0 pF at 0 V, 1 MHz) switching element optimized for high-speed digital signal conditioning and transient suppression. Its 4.0 ns trr and 0.855 V VF at 10 mA enable clean edge transitions in logic-level interface circuits and sample-and-hold paths.
The device uses an epitaxial planar construction with alloy 42 leadframe and matte tin plating, achieving 1.0 A non-repetitive surge capability and stable leakage (<50 µA at 75 V, +150 °C). Its thermal design relies on FR4 board mounting per Diodes' recommended pad layout to sustain 200 mW power dissipation at 25 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRM | 100 V non-repetitive peak reverse voltage - defines absolute maximum transient clamping limit |
| VRRM | 75 V peak repetitive reverse voltage - sets continuous blocking capability in DC/AC signal paths |
| IFM | 300 mA forward continuous current - supports sustained switching in low-power logic interfaces |
| trr | 4.0 ns reverse recovery time - enables operation up to ~85 MHz in pulse shaping and clock distribution |
| CT | 2.0 pF total capacitance at 0 V - minimizes signal loading in RF detector and high-frequency sampling circuits |
| RθJA | 625 °C/W junction-to-ambient thermal resistance - requires controlled copper pour and pad layout for thermal reliability |
| TJ Range | –55 to +150 °C operating temperature - qualified for extended industrial and under-hood automotive environments |
Pinout & Package
Package: SOT323 - ultra-small surface-mount plastic package (2.15 mm × 2.10 mm × 0.95 mm), moisture sensitivity level 1, lead-free and RoHS-compliant, with matte tin-plated alloy 42 terminals solderable per MIL-STD-202.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Forward current entry point | Connected to higher-potential node in switching/clamping configuration; polarity marked by bar on top of package |
| Cathode (Pin 2) | Forward current exit / reverse blocking terminal | Typically tied to ground or reference rail; determines direction of conduction and clamping action |
| Collector / Heat Sink (Pin 3) | Package tab / thermal path | Non-electrical; serves as mechanical anchor and minor thermal relief; not internally connected to die |
Key Features
| Feature | Design Value |
|---|---|
| Fast switching speed | 4.0 ns trr enables reliable operation in >50 MHz digital signal routing without tail current distortion |
| Ultra-small SOT323 footprint | 2.15 mm × 2.10 mm area saves PCB space in dense portable and IoT sensor modules |
| High conductance at low IF | 0.715 V VF at 1 mA ensures minimal voltage drop in battery-powered wake-up detection circuits |
| JEDEC-qualified reliability | Meets high-reliability screening per AEC-Q standards - suitable for mission-critical industrial control nodes |
Applications
| Logic-Level Signal Clamping | ESD Protection Interface |
|---|---|
Use Scenario: Protecting GPIO pins of microcontrollers from overvoltage transients during hot-plug events in USB-C accessory detection. IC Role / Device Role / Timing Role: Fast clamping diode shunting excess voltage to VCC or GND before IC input structures are stressed. Use Value: 4.0 ns trr prevents latch-up during nanosecond-scale ESD pulses; 2.0 pF capacitance avoids signal integrity degradation on 10–50 MHz data lines. | Use Scenario: Front-end protection for RS-485 transceivers exposed to field wiring surges in building automation systems. IC Role / Device Role / Timing Role: Low-leakage (≤1.0 µA at 75 V) bidirectional clamp limiting common-mode spikes to safe levels. Use Value: <1.0 µA IR at 75 V ensures negligible standby current draw; –55 to +150 °C rating supports outdoor enclosure deployment. |
| Sample-and-Hold Circuit Diode | Low-Power Voltage Reference Buffer |
Use Scenario: Isolating hold capacitor from op-amp output during acquisition phase in 12-bit ADC front-ends. IC Role / Device Role / Timing Role: High-speed switch enabling rapid charge transfer while minimizing charge injection error. Use Value: 0.855 V VF at 10 mA ensures predictable voltage offset; 2.0 pF CT avoids settling-time degradation in sub-microsecond acquisition windows. | Use Scenario: Biasing Zener reference diodes in precision voltage monitors for battery management ICs. IC Role / Device Role / Timing Role: Low-forward-drop series element regulating current into reference node with minimal thermal drift. Use Value: 0.715 V VF at 1 mA reduces self-heating impact on reference stability; SOT323 allows placement adjacent to thermally sensitive references. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast-switching diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBD4148W-7-F | Identical electrical specs (VRRM = 75 V, trr = 4.0 ns, VF = 0.715 V @ 1 mA); same SOT323 package and marking convention | No functional difference; dual-marked part per Diodes' documentation - interchangeable in all designs | Select MMBD4148W-7-F only if legacy BOM references that designation; no redesign required |
| 1N4148WS-7-F | Slightly higher VF (0.72 V min @ 10 mA); identical trr (4 ns), VRRM (100 V), and SOT323 package | Same clamping and switching roles; marginally higher forward loss may affect low-current bias networks | Prefer BAS16W-7 for tighter VF consistency below 10 mA; use 1N4148WS-7-F where higher surge rating is prioritized |
Compared with MMBD4148W-7-F (identical performance) and 1N4148WS-7-F (higher VRM but looser VF spec), BAS16W-7 offers optimal balance of low-voltage conduction, nanosecond switching, and industrial temperature resilience - especially critical in battery-constrained, high-density signal routing.
Availability
BAS16W-7 is available at Aetrix Electronics and suitable for logic-level clamping, ESD interface protection, and sample-and-hold circuitry requiring stable component supply across consumer electronics, industrial controls, and automotive body electronics programs.
Supply support for BAS16W-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The BAS16W-7 belongs to Diodes' general-purpose switching diode product line, engineered specifically for high-speed signal integrity and space-constrained SMT applications in cost-sensitive, high-volume electronics.
FAQ
Is BAS16W-7 pin-compatible with BAS216 or BAS316?
No. BAS16W-7 is a single diode in SOT323 with Anode–Cathode–Tab pinout. BAS216 and BAS316 are dual and triple diode arrays in SOT363 and SOT323 packages respectively, with different internal configurations and pin assignments. Substitution requires schematic and layout revision.
What is the maximum allowable soldering temperature profile for BAS16W-7?
BAS16W-7 complies with J-STD-020D Level 1 moisture sensitivity and supports standard lead-free reflow profiles: peak temperature ≤260 °C, time above 217 °C ≤60 seconds, ramp rate ≤3 °C/s. Diodes recommends using their published SOT323 pad layout to ensure thermal uniformity and avoid delamination.
Does BAS16W-7 meet AEC-Q200 requirements for automotive use?
No - BAS16W-7 is not AEC-Q200 qualified. Diodes offers automotive-grade equivalents such as BAS16WQ-7-F (Q-suffix), which undergoes additional stress testing, PPAP documentation, and IATF 16949 manufacturing controls. Use BAS16WQ-7-F for dashboard, lighting, or ADAS subsystems requiring automotive qualification.
Can BAS16W-7 be used as a replacement for 1N4148 in through-hole designs?
Only with PCB redesign. BAS16W-7 is SOT323 surface-mount; 1N4148 is DO-35 through-hole. While electrical parameters are closely matched (VRRM, trr, VF), the package change necessitates new footprints, stencil design, and reflow validation. For drop-in replacement, consider SOD-123 packaged variants like 1N4148W-7-F.
BAS16W-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Technology:
- -
- Voltage - DC Reverse (Vr) (Max):
- -
- Current - Average Rectified (Io):
- -
- Voltage - Forward (Vf) (Max) @ If:
- -
- Speed:
- -
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- -
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
- Operating Temperature - Junction:
- -
BAS16W-7 FAQ
1.How can I place an order for BAS16W-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAS16W-7 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-7 reliable?
The price and inventory of BAS16W-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAS16W-7 is usually 5 days.
3.What payment methods are accepted for BAS16W-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAS16W-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAS16W-7?
BAS16W-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAS16W-7 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-7?
For technical support, including BAS16W-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAS16W-7 requirements.
6.How does Aetrix verify that BAS16W-7 is sourced from the original manufacturer or authorized distributors?
All BAS16W-7 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-7 meets industry standards.
7.What is the process for return or replacement of BAS16W-7?
All BAS16W-7 units undergo pre-shipment inspection (PSI). If there is an issue with BAS16W-7, 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-7 part is unused and in its original packaging.
Return procedure for BAS16W-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAS16W-7 Tags

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1N4448X-TP
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1N4148WX-TP
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1N4148TR
onsemi

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MMSD4148T1G
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MMBD914LT3G
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BAS16HT1G
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1N914BWT
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BAS21LT1G
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LL4148
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BAS16LT1G
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MMSD914T1G
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BAV21W-7-F
Diodes Incorporated
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