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Diodes Incorporated BAV170Q-13-F
- Part No.:
- BAV170Q-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BAV170Q-13-F.pdf
- Description:
- DIODE ARRAY GP 85V 215MA SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:18,499
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Product details
Overview
BAV170Q-13-F from Diodes Incorporated is a dual low-leakage silicon switching diode in SOT23 package, rated for 85 V peak reverse voltage, 215 mA forward current per anode, and 3.0 µs reverse recovery time. It serves as a high-speed signal clamping or polarity protection device in automotive power management circuits, ESD-sensitive sensor interfaces, and precision analog front-ends.
For engineers reviewing the BAV170Q-13-F datasheet, BAV170Q-13-F pinout, BAV170Q-13-F application, or BAV170Q-13-F equivalent, key selection criteria include leakage current at 75 V (≤5.0 nA @ 25°C), thermal resistance (500 °C/W), AEC-Q101 qualification, and dual-diode configuration with common-cathode topology.
Technical Context
The BAV170Q-13-F integrates two independent silicon PN junction diodes in a single SOT23-3 package with shared cathode connection (pin 3). Its design targets low-noise, low-power signal routing where minimal reverse leakage and fast transient response are critical.
It operates across –55°C to +150°C, supports 250 mW power dissipation at 25°C ambient, and exhibits temperature-stable capacitance (2 pF @ 0 V, 1 MHz) and reverse recovery behavior (trr ≤ 3.0 µs under 10 mA IF/IR conditions).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 85 V - maximum repetitive reverse voltage before breakdown; defines safe blocking range in 12 V/24 V automotive supply rails |
| IFM (per diode) | 215 mA - continuous forward current rating per anode; supports moderate-signal-level biasing and clamping |
| IR @ 75 V | ≤5.0 nA @ 25°C - ultra-low leakage enables precision voltage reference integrity and low-offset sensor conditioning |
| trr | ≤3.0 µs - fast recovery ensures minimal switching distortion in kHz-range signal routing and transient suppression |
| CT @ 0 V | 2 pF - low junction capacitance preserves signal rise/fall times in RF-adjacent analog paths |
| RθJA | 500 °C/W - thermal resistance requires careful PCB copper area planning for sustained >100 mA operation |
| AEC-Q101 | Qualified - certified for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: SOT23-3, surface-mount plastic case with matte tin-plated alloy 42 leadframe; moisture sensitivity level 1 (J-STD-020); weight ≈0.008 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode of Diode 1 | Input node for first clamping path; connects to signal source requiring bidirectional overvoltage protection |
| 2 | Anode of Diode 2 | Independent input node for second clamping path; enables dual-rail or differential signal protection |
| 3 | Common Cathode | Shared return path to ground or reference rail; simplifies layout and reduces parasitic inductance in high-speed paths |
Key Features
| Feature | Design Value |
|---|---|
| Dual common-cathode diodes | Enables compact dual-channel clamping without discrete cathode routing; reduces board space by ~40% vs. two SOD-323 devices |
| ≤5.0 nA IR @ 75 V, 25°C | Preserves accuracy in microamp-level bias networks and high-impedance sensor inputs (e.g., thermistor bridges) |
| AEC-Q101 qualified | Validated for automotive use including PPAP documentation support and IATF16949 manufacturing control |
| 3.0 µs trr | Supports clean edge handling in 100–500 kHz PWM feedback loops and digital I/O protection without ringing |
Applications
| Automotive Body Control Module | Industrial Sensor Interface |
|---|---|
Use Scenario: Clamping CAN transceiver I/O lines against load-dump transients and ESD events. IC Role / Device Role / Timing Role: Dual-diode transient suppressor placed between TX/RX pins and ground, leveraging common-cathode configuration for symmetrical protection. Use Value: 85 V VRRM withstands ISO 7637-2 Pulse 1/2b; ≤5 nA leakage avoids bias current error in high-Z receiver inputs. | Use Scenario: Protecting 4–20 mA current-loop transmitter outputs from reverse polarity and surge coupling. IC Role / Device Role / Timing Role: Reverse-polarity guard and overvoltage clamp on loop driver output stage. Use Value: 215 mA IFM handles full loop current; 3.0 µs trr prevents latch-up during fast line faults. |
| Medical Patient Monitoring Front-End | Consumer Audio ADC Input Protection |
Use Scenario: Guarding biopotential amplifier inputs (ECG/EEG) against ESD and electrode disconnection spikes. IC Role / Device Role / Timing Role: Low-leakage signal-path clamp limiting input swing to ±0.7 V while preserving DC offset stability. Use Value: ≤5 nA IR avoids input bias current drift; 2 pF CT minimizes phase shift in <10 kHz bio-signal bandwidth. | Use Scenario: Preventing damage to audio codec ADC inputs from headphone plug insertion transients. IC Role / Device Role / Timing Role: Fast-recovery shunt clamp on line-in differential pair, referenced to AVSS. Use Value: 3.0 µs trr eliminates audible pop artifacts; common-cathode layout eases symmetric PCB routing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-leakage diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BAV99W-7-F | Higher IR (≤10 nA @ 75 V), same VRRM/trr, identical SOT23-3 common-cathode pinout | Not AEC-Q101 qualified; intended for commercial-grade consumer systems | Select when automotive qualification is unnecessary and cost sensitivity outweighs leakage requirement |
| NSR0230P2T5G | Single diode, lower VF (0.35 V @ 100 mA), higher IFM (300 mA), different SOD-523 package | Requires two devices for dual-channel use; lacks common-cathode integration | Choose only if ultra-low forward drop dominates layout constraints and dual-diode integration is not required |
Compared with BAV99W-7-F, the BAV170Q-13-F delivers half the leakage for precision analog integrity; versus NSR0230P2T5G, it provides integrated dual-channel protection in one footprint but trades off forward voltage for leakage performance.
Availability
BAV170Q-13-F is available at Aetrix Electronics and suitable for automotive body control modules, industrial 4–20 mA transmitters, medical biopotential front-ends, and consumer audio interface protection requiring stable component supply and long-term lifecycle assurance.
Supply support for BAV170Q-13-F 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 BAV170Q series belongs to Diodes' automotive-qualified discrete diode product line, engineered specifically for robust signal-level protection in harsh-environment electronic control units and sensor nodes.
FAQ
What is the pin configuration of BAV170Q-13-F?
BAV170Q-13-F uses a standard SOT23-3 package with pin 1 = Anode 1, pin 2 = Anode 2, and pin 3 = Common Cathode. This configuration is confirmed in the DS30234 datasheet Figure 1 (Top View) and matches JEDEC MO-203AB outline dimensions.
Is BAV170Q-13-F suitable for high-temperature automotive under-hood applications?
Yes - it is rated for TJ = –55°C to +150°C, qualified to AEC-Q101, and characterized for leakage (≤80 nA @ 75 V, +150°C) and capacitance stability across that full range, making it appropriate for engine control, transmission, and ADAS module designs.
How does the common-cathode architecture affect PCB layout?
The shared cathode (pin 3) allows both diodes to reference the same ground or bias rail, reducing net count and enabling symmetrical placement near differential signal pairs. It eliminates need for separate cathode traces, lowering parasitic inductance and improving ESD immunity consistency between channels.
Can BAV170Q-13-F replace BAV170-13-F in existing designs?
Yes - BAV170Q-13-F is functionally identical to BAV170-13-F except for automotive-specific change control, PPAP capability, and IATF16949 manufacturing certification. Electrical specs, package, and marking are identical; Q-suffix denotes automotive qualification compliance.
BAV170Q-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 85 V
- Current - Average Rectified (Io) (per Diode):
- 215mA (DC)
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 150 mA
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 3 µs
- Current - Reverse Leakage @ Vr:
- 5 nA @ 75 V
- Operating Temperature - Junction:
- -65°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
BAV170Q-13-F FAQ
1.How can I place an order for BAV170Q-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BAV170Q-13-F 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 BAV170Q-13-F reliable?
The price and inventory of BAV170Q-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAV170Q-13-F is usually 5 days.
3.What payment methods are accepted for BAV170Q-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAV170Q-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAV170Q-13-F?
BAV170Q-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAV170Q-13-F 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 BAV170Q-13-F?
For technical support, including BAV170Q-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAV170Q-13-F requirements.
6.How does Aetrix verify that BAV170Q-13-F is sourced from the original manufacturer or authorized distributors?
All BAV170Q-13-F 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 BAV170Q-13-F meets industry standards.
7.What is the process for return or replacement of BAV170Q-13-F?
All BAV170Q-13-F units undergo pre-shipment inspection (PSI). If there is an issue with BAV170Q-13-F, 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 BAV170Q-13-F part is unused and in its original packaging.
Return procedure for BAV170Q-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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