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Diodes Incorporated DESD5V0L1BAQ-7
- Part No.:
- DESD5V0L1BAQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
DESD5V0L1BAQ-7.pdf
- Description:
- DATALINE PROTECTION PP SOD323 T&
- Quantity:
- Payment:
- Shipping:
Inventory:6,436
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Product details
Overview
DESD5V0L1BAQ from Diodes Incorporated is a low-capacitance bidirectional TVS diode designed for ESD protection of high-speed data lines. It features a 5.0V reverse standoff voltage, 6.0–9.0V breakdown range at 5mA, 12V clamping voltage at 15A peak pulse current, and 46pF typical channel capacitance at 0V/100MHz - enabling robust ±30kV IEC 61000-4-2 contact/air ESD suppression in space-constrained USB and HDMI interfaces.
For engineers reviewing the DESD5V0L1BAQ datasheet, DESD5V0L1BAQ pinout, DESD5V0L1BAQ application, or DESD5V0L1BAQ equivalent, key selection criteria include clamping voltage under 15A surge, sub-50pF input capacitance for signal integrity, AEC-Q101 qualification for automotive use, and SOD323 package compatibility with high-density PCB layouts.
Technical Context
This TVS diode operates as a bidirectional transient voltage suppressor across a single channel, leveraging avalanche breakdown to clamp fast-rising ESD transients. Its design targets IEC 61000-4-2 Level 4 compliance (±30kV air/contact) while maintaining low dynamic capacitance to avoid signal distortion on differential high-speed links.
The device uses a planar silicon junction structure in an ultra-small SOD323 package, with thermal resistance of 500°C/W and maximum power dissipation of 250mW at 25°C ambient. It is rated for continuous operation from –55°C to +150°C and supports automotive PPAP documentation via IATF 16949-certified manufacturing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 5.0V - Maximum DC or continuous working voltage before conduction begins; sets operating margin for 5V logic/data lines. |
| Breakdown Voltage Range | 6.0–9.0V @ 5mA - Confirmed avalanche onset window; ensures reliable triggering before system-level damage occurs. |
| Clamping Voltage | 12V @ 15A (8/20μs) - Peak voltage seen by protected IC during worst-case surge; limits stress on downstream 5V-tolerant receivers. |
| Channel Capacitance | 46pF @ 0V, 100MHz - Low enough to preserve signal integrity on USB 2.0 and HDMI 1.4 differential pairs without added jitter. |
| ESD Rating | ±30kV contact & air (IEC 61000-4-2) - Full Level 4 immunity; eliminates need for secondary board-level ESD mitigation in portable designs. |
| Operating Temperature | –55°C to +150°C - Supports under-hood automotive modules and industrial edge devices without derating. |
Pinout & Package
Package: SOD323 - ultra-compact surface-mount plastic package (1.30 × 1.70 × 0.90 mm), moisture sensitivity level 1, matte tin-plated alloy 42 leadframe, RoHS-compliant and halogen-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Transient current sink (bidirectional) | Connects to protected line; conducts during negative ESD events and positive surges via symmetrical junction. |
| Cathode (K) | Transient current sink (bidirectional) | Paired with Anode to form symmetric clamping path; no polarity dependency in layout placement. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional ESD protection | Enables single-device protection of AC-coupled or differential signal lines (e.g., USB D+/D–) without polarity constraints. |
| AEC-Q101 qualified | Validated for automotive applications including infotainment ports and ADAS camera interfaces requiring zero-defect reliability. |
| Low 46pF capacitance | Minimizes insertion loss and phase distortion on 480Mbps USB 2.0 channels, preserving eye diagram margins. |
| SOD323 footprint | Reduces PCB area by >60% vs. SOT23; compatible with automated pick-and-place and reflow profiles for high-volume manufacturing. |
Applications
| USB 2.0 Interface Protection | HDMI 1.4 Port Protection |
|---|---|
Use Scenario: Protecting host/device USB ports against repeated electrostatic discharge during cable insertion and handling in consumer tablets and docking stations. IC Role / Device Role: Primary ESD shunt placed directly at connector, clamping transients before they reach USB transceiver PHY. Use Value: Maintains 480Mbps data rate integrity with <0.5dB insertion loss at 240MHz due to 46pF capacitance and low dynamic resistance. | Use Scenario: Safeguarding HDMI source/sink connectors in automotive head units and home theater projectors exposed to field ESD events. IC Role / Device Role: Point-of-entry TVS on TMDS clock and data pairs, suppressing ±30kV discharges without degrading 74.25MHz pixel clock timing. Use Value: Prevents latch-up or permanent damage to HDMI controller ICs while meeting HDMI Compliance Test Specification v1.4a ESD requirements. |
| Automotive Infotainment Display Link | Industrial Camera Interface (LVDS) |
Use Scenario: ESD hardening of MIPI D-PHY or FPD-Link III video interfaces between head unit and digital instrument cluster displays. IC Role / Device Role: Single-channel TVS per differential pair, mounted adjacent to connector to minimize inductance in surge path. Use Value: AEC-Q101 qualification ensures reliability over 15-year vehicle lifetime; 150°C max junction temperature supports under-dash mounting. | Use Scenario: Protecting LVDS serial links in factory automation cameras subjected to operator-handling ESD in ungrounded environments. IC Role / Device Role: Bidirectional clamping element on each LVDS pair, placed before serializer/deserializer IC inputs. Use Value: 12V clamping voltage stays below LVDS receiver absolute maximum rating (typically ±1.25V common-mode + 3.3V supply), preventing overstress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ5.0A | Unidirectional; 5.0V VRWM; 10.8V VC @ 25.1A; 100pF typical capacitance | Requires polarity-aware layout; higher capacitance limits use to lower-speed interfaces (≤100Mbps) | Select only if unidirectional protection suffices and board space allows SMA package. |
| TPD4E05U06DQAR | Quad-channel; 5.5V VRWM; 14.5V VC @ 4A; 0.5pF per channel | Optimized for ultra-high-speed lanes (USB 3.2/PCIe); lower surge rating reduces robustness on industrial connectors | Prefer for multi-line protection where capacitance is critical, but verify 4A IPP meets system-level surge test requirements. |
Compared with SMAJ5.0A and TPD4E05U06DQAR, DESD5V0L1BAQ uniquely balances 15A surge capability, 46pF capacitance, and SOD323 size - making it optimal for single-line, high-reliability, space-constrained USB/HDMI protection where both speed and ruggedness are required.
Availability
DESD5V0L1BAQ is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI 1.4 port hardening, and automotive infotainment display links requiring stable component supply and long-term lifecycle support.
Supply support for DESD5V0L1BAQ 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 DESDxxVL1BAQ series belongs to Diodes' automotive-grade TVS portfolio, engineered specifically for high-speed data line ESD protection in AEC-Q101-compliant systems where low capacitance, small footprint, and repeatable clamping performance are mandatory.
FAQ
What is the maximum peak pulse current rating for DESD5V0L1BAQ?
The DESD5V0L1BAQ is rated for 15A peak pulse current (IPP) under an 8/20μs waveform, as specified in the Electrical Characteristics table. This value corresponds to a clamping voltage of 12V and represents the highest transient current the device can safely divert while maintaining specified protection performance.
Is DESD5V0L1BAQ suitable for protecting USB 3.0 or higher-speed interfaces?
No - DESD5V0L1BAQ's 46pF typical capacitance exceeds recommended limits for USB 3.0 (≤1.5pF) and later standards. It is validated for USB 2.0 (480Mbps) and HDMI 1.4 (74.25MHz TMDS), where its capacitance introduces negligible signal degradation. For SuperSpeed interfaces, lower-capacitance alternatives like TPD4E05U06DQAR are required.
Does DESD5V0L1BAQ require orientation-specific PCB placement?
No - DESD5V0L1BAQ is a bidirectional TVS diode with symmetrical anode/cathode terminals. Its marking code "R/R (Inverted)" indicates identical electrical behavior in either direction, allowing flexible layout without polarity concerns on differential or AC-coupled signal lines.
How does the AEC-Q101 qualification impact usage in non-automotive applications?
AEC-Q101 qualification confirms extended temperature operation (–55°C to +150°C), enhanced reliability testing (e.g., HTGB, TC, UHAST), and process control under IATF 16949. These attributes directly benefit industrial, medical, and aerospace applications requiring long-term stability and failure-rate predictability - even when automotive certification itself is not mandated.
DESD5V0L1BAQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-76, SOD-323
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 5V
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 12V
- Current - Peak Pulse (10/1000µs):
- 15A
- Power - Peak Pulse:
- 230W
- Power Line Protection:
- No
- Applications:
- HDMI, USB
- Capacitance @ Frequency:
- 46pF @ 100MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
DESD5V0L1BAQ-7 FAQ
1.How can I place an order for DESD5V0L1BAQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DESD5V0L1BAQ-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 DESD5V0L1BAQ-7 reliable?
The price and inventory of DESD5V0L1BAQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DESD5V0L1BAQ-7 is usually 5 days.
3.What payment methods are accepted for DESD5V0L1BAQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DESD5V0L1BAQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DESD5V0L1BAQ-7?
DESD5V0L1BAQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DESD5V0L1BAQ-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 DESD5V0L1BAQ-7?
For technical support, including DESD5V0L1BAQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DESD5V0L1BAQ-7 requirements.
6.How does Aetrix verify that DESD5V0L1BAQ-7 is sourced from the original manufacturer or authorized distributors?
All DESD5V0L1BAQ-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 DESD5V0L1BAQ-7 meets industry standards.
7.What is the process for return or replacement of DESD5V0L1BAQ-7?
All DESD5V0L1BAQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with DESD5V0L1BAQ-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 DESD5V0L1BAQ-7 part is unused and in its original packaging.
Return procedure for DESD5V0L1BAQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DESD5V0L1BAQ-7 Tags
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