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Diodes Incorporated DESD15VL2BTQ-7
- Part No.:
- DESD15VL2BTQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
DESD15VL2BTQ-7.pdf
- Description:
- TRANSIENT VOLTAGE SUPPRESSOR PP
- Quantity:
- Payment:
- Shipping:
Inventory:3,617
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Product details
Overview
DESD15VL2BTQ from Diodes Incorporated is a two-channel bidirectional TVS diode designed for ESD protection of high-speed data lines. It features a 15V reverse standoff voltage, 16pF typical channel capacitance, ±30kV IEC 61000-4-2 contact/air ESD rating, 25V clamping voltage at 5A peak pulse current, and SOT23 package-ideal for HDMI and USB 2.0 interface protection in portable electronics.
For engineers reviewing the DESD15VL2BTQ datasheet, DESD15VL2BTQ pinout, DESD15VL2BTQ application, or DESD15VL2BTQ equivalent, key selection criteria include low input capacitance for signal integrity, AEC-Q101 qualification for automotive use, bidirectional surge capability, and thermal performance under transient conditions per IEC 61000-4-2.
Technical Context
This device implements dual-channel, bidirectional avalanche breakdown clamping to suppress fast-rising ESD transients while maintaining low capacitive loading on differential or single-ended signal paths. Its 16pF typical channel capacitance and 25V clamping voltage at 5A support high-speed interfaces up to 480 Mbps without signal distortion.
The SOT23-3L package enables compact PCB layout with minimal parasitic inductance, and its AEC-Q101 qualification confirms robustness across -55°C to +150°C operating range-critical for automotive infotainment and ADAS sensor interface protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage (VRWM) | 15 V - Maximum continuous working voltage before clamping begins; sets upper limit for safe operation on 12–15V signal rails. |
| Breakdown Voltage (VBR min) | 16.0 V - Guaranteed avalanche initiation threshold at 5mA test current; ensures reliable triggering before system damage. |
| Clamping Voltage (VC @ IPP) | 25 V @ 5 A - Peak voltage seen by protected circuit during 8/20μs surge; defines worst-case stress on downstream ICs. |
| Channel Capacitance (CT) | 16 pF - Low input capacitance preserves signal rise/fall times in USB 2.0 and HDMI applications. |
| ESD Rating (IEC 61000-4-2) | ±30 kV contact / ±30 kV air - Full compliance with highest industrial ESD immunity level for end-equipment certification. |
| Peak Pulse Power (PPP) | 230 W - Sustained energy handling capability for short-duration transients without degradation. |
| Operating Temperature | -55°C to +150°C - Validated performance across automotive under-hood and consumer portable environments. |
Pinout & Package
Package: SOT23-3L, surface-mount plastic case with matte tin-plated alloy 42 leadframe; UL 94V-0 rated, moisture sensitivity level 1, weight ≈0.009 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode Channel 1 | ESD current path for positive transients on first protected line (e.g., USB D+). |
| Pin 2 | Cathode (Common) | Shared cathode node enabling bidirectional clamping for both channels; connects to ground plane. |
| Pin 3 | Anode Channel 2 | ESD current path for positive transients on second protected line (e.g., USB D−). |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional ESD Clamping | Enables symmetric protection of differential pairs (e.g., USB, HDMI) without polarity constraints. |
| AEC-Q101 Qualified | Validated reliability for automotive applications including infotainment, telematics, and body control modules. |
| Low 16pF Channel Capacitance | Minimizes signal attenuation and timing skew on 480 Mbps USB 2.0 and 1.65 Gbps HDMI 1.4a links. |
| Lead-Free & Halogen-Free | Complies with RoHS 3 (2015/863/EU) and automotive green standards (<900 ppm Br/Cl, <1000 ppm Sb). |
| Thermal Robustness | RθJA = 500°C/W on FR-4 with 2oz copper; supports stable operation in thermally constrained handheld enclosures. |
Applications
| USB 2.0 Interface Protection | HDMI 1.4a Port Protection |
|---|---|
Use Scenario: Protecting host/device USB ports against repeated ESD events during cable insertion and hot-plug operations. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector, shunting ESD current to ground before it reaches USB transceiver IC. Use Value: Prevents latch-up or permanent damage to USB PHYs while preserving 480 Mbps data rate via 16pF low-capacitance design. | Use Scenario: Safeguarding HDMI source/sink connectors in set-top boxes, monitors, and automotive displays from user-handling ESD. IC Role / Device Role / Timing Role: Dual-channel TVS deployed across TMDS+/- pairs to maintain differential signal integrity during ±30kV contact discharge. Use Value: Enables HDMI 1.4a compliance without degrading eye diagram margin or increasing bit error rate. |
| Automotive Infotainment | Industrial Camera Interface |
Use Scenario: ESD hardening of USB and display data lines in head units and digital dashboards exposed to harsh vehicle environments. IC Role / Device Role / Timing Role: AEC-Q101 qualified TVS integrated into front-end protection stage of CAN/USB/HDMI subsystems. Use Value: Ensures functional safety compliance and long-term reliability over 15-year automotive service life. | Use Scenario: Protecting MIPI CSI-2 or parallel camera interface traces in factory automation vision systems subject to maintenance personnel ESD. IC Role / Device Role / Timing Role: Low-capacitance TVS placed adjacent to image sensor connector to avoid pixel clock jitter or frame drop. Use Value: Maintains sub-ns timing alignment between clock and data lanes while surviving repeated ±30kV discharges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ15A | Unidirectional, higher 22.5V clamping at 10A, 100pF capacitance, DO-214AC package | Requires external series resistor for bidirectional behavior; unsuitable for high-speed data lines | Select only for DC power rail protection where speed and capacitance are non-critical |
| TPD2E001DRYR | Two-channel bidirectional, 12pF capacitance, 12V VRWM, 15V clamping at 1A, SOT-553 | Lower voltage rating and power handling; optimized for 3.3V logic-level interfaces | Prefer for low-voltage USB-C or I²C protection; not suitable for 15V signal rails or automotive transients |
Compared with SMAJ15A and TPD2E001DRYR, DESD15VL2BTQ uniquely balances 15V standoff, 16pF capacitance, ±30kV ESD rating, and AEC-Q101 qualification-making it the only option among the three validated for automotive-grade HDMI/USB 2.0 interface protection.
Availability
DESD15VL2BTQ is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI 1.4a port hardening, and automotive infotainment systems requiring stable component supply and long-term lifecycle assurance.
Supply support for DESD15VL2BTQ 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 DESDxxVL2BTQ series belongs to Diodes' automotive-qualified TVS portfolio, engineered specifically for high-reliability ESD suppression in space-constrained, high-speed data interfaces used in vehicles and portable electronics.
FAQ
What is the maximum clamping voltage of DESD15VL2BTQ under IEC 61000-4-2 surge conditions?
The maximum clamping voltage is 25 V at 5 A peak pulse current (IPP), measured using an 8/20 μs waveform per IEC 61000-4-2. This value is guaranteed across the full operating temperature range (-55°C to +150°C) and defines the upper voltage stress imposed on protected circuitry during ESD events.
Is DESD15VL2BTQ suitable for protecting USB 3.0 or HDMI 2.0 interfaces?
No-its 16 pF typical channel capacitance exceeds recommended limits for USB 3.0 (≤1.5 pF) and HDMI 2.0 (≤0.5 pF). It is validated for USB 2.0 (480 Mbps) and HDMI 1.4a (1.65 Gbps), where 16 pF introduces acceptable signal degradation without violating eye diagram or jitter specifications.
How does the SOT23-3L package affect thermal performance during repetitive ESD events?
With RθJA = 500°C/W on standard FR-4 (2 oz copper), the SOT23-3L enables rapid heat dissipation during isolated surges but requires derating above +25°C ambient. Figure 1 in DS42901 shows 75% power capability retained at +85°C, supporting intermittent ESD events in sealed handheld enclosures.
Does DESD15VL2BTQ require external biasing or control signals to operate?
No-it is a passive, voltage-triggered device with no external connections beyond its three pins. It operates autonomously: below 15 V VRWM, leakage remains ≤0.5 µA; above 16 V VBR, it avalanches to clamp transients. No power supply, enable pin, or configuration is needed.
DESD15VL2BTQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 2
- Voltage - Reverse Standoff (Typ):
- 15V
- Voltage - Breakdown (Min):
- 16V
- Voltage - Clamping (Max) @ Ipp:
- 25V
- Current - Peak Pulse (10/1000µs):
- 5A
- Power - Peak Pulse:
- 230W
- Power Line Protection:
- No
- Applications:
- HDMI, USB
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
DESD15VL2BTQ-7 FAQ
1.How can I place an order for DESD15VL2BTQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DESD15VL2BTQ-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 DESD15VL2BTQ-7 reliable?
The price and inventory of DESD15VL2BTQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DESD15VL2BTQ-7 is usually 5 days.
3.What payment methods are accepted for DESD15VL2BTQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DESD15VL2BTQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DESD15VL2BTQ-7?
DESD15VL2BTQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DESD15VL2BTQ-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 DESD15VL2BTQ-7?
For technical support, including DESD15VL2BTQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DESD15VL2BTQ-7 requirements.
6.How does Aetrix verify that DESD15VL2BTQ-7 is sourced from the original manufacturer or authorized distributors?
All DESD15VL2BTQ-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 DESD15VL2BTQ-7 meets industry standards.
7.What is the process for return or replacement of DESD15VL2BTQ-7?
All DESD15VL2BTQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with DESD15VL2BTQ-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 DESD15VL2BTQ-7 part is unused and in its original packaging.
Return procedure for DESD15VL2BTQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DESD15VL2BTQ-7 Tags
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Diodes Incorporated
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