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Nexperia USA Inc. BAV74,235
- Part No.:
- BAV74,235
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Diode Arrays
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BAV74,235.pdf
- Description:
- DIODE ARRAY GP 50V 215MA TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,140
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Product details
Overview
BAV74 from Nexperia is a high-speed dual switching diode in SOT23 package with common cathode configuration, fabricated using planar silicon technology. It delivers 4 ns reverse recovery time, 50 V continuous reverse voltage, and 450 mA repetitive peak forward current per diode-enabling precise signal routing and clamping in automotive-grade timing and interface circuits.
For engineers reviewing the BAV74 datasheet, BAV74 pinout, BAV74 application, or BAV74 equivalent, this device is selected for high-frequency switching nodes where low capacitance (1.5 pF), fast transient response, and AEC-Q101 qualification are critical in space-constrained PCB layouts.
Technical Context
The BAV74 integrates two independent high-speed diodes sharing a single cathode terminal, supporting parallel or differential signal path control without cross-coupling. Its 1.5 pF junction capacitance at 0 V and 4 ns trr enable clean edge handling in >100 MHz digital signal conditioning and ESD-protected I/O stages.
Thermal resistance of 500 K/W (junction-to-ambient) and 360 K/W (junction-to-solder point) reflects its optimized thermal performance on FR4 PCBs under double-diode load conditions, with derated forward current dropping to 125 mA when both diodes conduct simultaneously.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Recovery Time (trr) | 4 ns - enables reliable operation in >100 MHz clock distribution and data line clamping |
| Forward Voltage (VF) | 855 mV @ 10 mA, 25 °C - ensures low conduction loss in logic-level signal steering |
| Diode Capacitance (Cd) | 1.5 pF @ 0 V, 1 MHz - minimizes signal distortion in RF and high-speed serial interfaces |
| Repetitive Peak Reverse Voltage (VRRM) | 60 V - supports transient suppression in 24 V automotive bus and industrial I/O protection |
| Peak Forward Current (IFRM) | 450 mA - accommodates surge currents in ESD clamp networks and level-shifting circuits |
| Junction Temperature (Tj) | 150 °C - validated for under-hood automotive environments per AEC-Q101 stress testing |
Pinout & Package
SOT23 plastic surface-mount package (2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm pin pitch), rated for reflow and wave soldering per JEDEC standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A1) | Anode of Diode 1 | Independent input node for first high-speed switching path; connects to signal source or pull-up |
| 2 (A2) | Anode of Diode 2 | Independent input node for second switching path; enables dual-rail or differential clamping |
| 3 (CC) | Common Cathode | Shared output/return node; simplifies PCB routing and reduces ground bounce in multi-diode configurations |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive powertrain and body electronics per discrete semiconductor stress test requirements |
| Low reverse recovery charge | Enables minimal switching loss and reduced EMI in high-frequency flyback and snubber circuits |
| Common-cathode dual-diode topology | Reduces component count and board area versus discrete diode pairs in bidirectional signal protection |
| 1.5 pF junction capacitance | Maintains signal integrity in USB 2.0, CAN FD, and LVDS receiver front-end clamping applications |
Applications
| Automotive CAN Transceiver Protection | USB 2.0 Data Line Clamping |
|---|---|
Use Scenario: Bidirectional ESD and overvoltage protection on CAN_H/CAN_L lines in ECUs. IC Role / Device Role / Timing Role: Dual-clamp diode pair shunting transients to common cathode rail while preserving signal edge fidelity. Use Value: 4 ns trr prevents pulse distortion during 1 Mbps CAN signaling; 60 V VRRM withstands load-dump surges. |
Use Scenario: High-speed transient suppression on D+/D− lines of embedded USB peripherals. IC Role / Device Role / Timing Role: Low-capacitance dual diode clamping to VBUS and GND rails to meet IEC 61000-4-2 Level 4. Use Value: 1.5 pF Cd avoids signal rise-time degradation; AEC-Q101 grade supports automotive infotainment integration. |
| Industrial Digital I/O Protection | High-Frequency Clock Signal Steering |
Use Scenario: Input protection for PLC digital inputs exposed to 24 V field wiring noise and inductive kickback. IC Role / Device Role / Timing Role: Common-cathode dual diode clamps each input line to supply and ground rails. Use Value: 450 mA IFRM handles relay coil energy dissipation; 500 K/W Rth(j-a) sustains operation at 85 °C ambient. |
Use Scenario: Selective routing of clock signals between multiple sources in FPGA-based timing modules. IC Role / Device Role / Timing Role: Fast-switching diode pair used as passive OR-gate for clock multiplexing. Use Value: 4 ns trr preserves sub-nanosecond jitter margins; low VF variation ensures consistent propagation delay. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed dual-diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BAV99,215 | Same SOT23 package and common-cathode topology, but higher VF (1.25 V @ 100 mA) and slower trr (6 ns) | Less suitable for >50 MHz signal paths due to higher capacitance (2 pF) and recovery lag | Select when cost sensitivity outweighs speed requirement and 60 V VRRM is not needed |
| MMBD7000LT1G | Lower IR (1 nA @ 25 V), but no AEC-Q101 qualification and higher trr (6 ns) | Not approved for automotive use; requires additional qualification for safety-critical systems | Prefer for consumer-grade USB or audio I/O where automotive reliability is not mandated |
Compared with BAV99,215 and MMBD7000LT1G, the BAV74 uniquely combines AEC-Q101 qualification, 4 ns trr, and 1.5 pF capacitance-making it the only option qualified for automotive CAN FD and high-speed industrial clock routing without performance trade-offs.
Availability
BAV74 is available at Aetrix Electronics and suitable for automotive ECU protection, USB 2.0 interface clamping, and industrial digital I/O conditioning requiring stable component supply across production lifecycles.
Supply support for BAV74 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-performance, high-reliability discrete and logic devices, with core expertise in automotive-qualified components and advanced packaging.
The BAV74 belongs to Nexperia's high-speed switching diode product line, engineered specifically for ESD protection, signal clamping, and fast switching in automotive and industrial control systems.
FAQ
What is the maximum ambient temperature for continuous operation of BAV74?
The BAV74 supports continuous operation up to 150 °C junction temperature. On an FR4 PCB with standard footprint, its derated forward current drops to 125 mA when both diodes conduct simultaneously at 85 °C ambient, per Figure 1 in the datasheet.
Can BAV74 be used in place of a single diode like 1N4148?
No-it is a dual-diode device with common cathode, not a drop-in replacement for single-diode packages. Using only one anode ignores half the device and risks unbalanced thermal loading; full utilization requires both anodes tied to separate signal paths sharing CC.
Is the 4 ns reverse recovery time guaranteed across temperature?
Yes-the 4 ns trr is specified under standardized test conditions (IF = 10 mA, IR = 10 mA, IR(meas) = 1 mA, RL = 100 Ω, Tamb = 25 °C) and remains within 5 ns up to 125 °C per Nexperia's characterization data.
Does the marking 'JA%' indicate RoHS compliance?
Yes-Nexperia confirms all BAV74 units marked with 'JA%' are lead-free and RoHS-compliant per EU Directive 2011/65/EU, with full material declarations available through their Product Change Notification system.
BAV74,235 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- 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):
- 50 V
- Current - Average Rectified (Io) (per Diode):
- 215mA (DC)
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 100 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 100 nA @ 50 V
- Operating Temperature - Junction:
- 150°C (Max)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
BAV74,235 FAQ
1.How can I place an order for BAV74,235 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAV74,235 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 BAV74,235 reliable?
The price and inventory of BAV74,235 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAV74,235 is usually 5 days.
3.What payment methods are accepted for BAV74,235?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAV74,235 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAV74,235?
BAV74,235 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAV74,235 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 BAV74,235?
For technical support, including BAV74,235 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAV74,235 requirements.
6.How does Aetrix verify that BAV74,235 is sourced from the original manufacturer or authorized distributors?
All BAV74,235 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 BAV74,235 meets industry standards.
7.What is the process for return or replacement of BAV74,235?
All BAV74,235 units undergo pre-shipment inspection (PSI). If there is an issue with BAV74,235, 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 BAV74,235 part is unused and in its original packaging.
Return procedure for BAV74,235:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAV74,235 Tags
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BAV99-7-F
Diodes Incorporated
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BAT54C-7-F
Diodes Incorporated
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BAV99,215
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BAT54S-7-F
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BAV99LT1G
onsemi
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BAT54S,215
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MMBD1503-TP
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