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Diodes Incorporated DESD1V5ZS1BLP3-7
- Part No.:
- DESD1V5ZS1BLP3-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
DESD1V5ZS1BLP3-7.pdf
- Description:
- DATALINE PROTECTION PP X3-DFN060
- Quantity:
- Payment:
- Shipping:
Inventory:8,935
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Product details
Overview
DESD1V5ZS1BLP3 from Diodes Incorporated is a bidirectional ultra-low-capacitance TVS diode designed for ESD protection of high-speed data lines. It delivers 4A peak pulse current (8/20µs), ±14kV contact / ±16kV air ESD immunity per IEC 61000-4-2, and only 0.15pF typical channel capacitance at 1MHz - enabling use in Thunderbolt™ 4 and USB Type-C® 20Gbps interfaces without signal integrity degradation.
For engineers reviewing the DESD1V5ZS1BLP3 datasheet, DESD1V5ZS1BLP3 pinout, DESD1V5ZS1BLP3 application, or DESD1V5ZS1BLP3 equivalent, key selection criteria include sub-0.2pF capacitance, low clamping voltage (4.5V @ 4A), IEC 61000-4-2 compliance, and X3-DFN0603-2 package compatibility with high-density PCB layouts for USB/Thunderbolt interconnects.
Technical Context
This TVS diode operates as a bidirectional clamping device across a single channel, with a 1.5V reverse standoff voltage (VRWM) and 4.0V minimum breakdown voltage (VBR). Its ultra-low dynamic resistance (0.34Ω) ensures rapid response to ESD transients while maintaining minimal voltage overshoot during 8A–16A TLP events.
The device uses silicon avalanche structure optimized for high-frequency performance, achieving stable 0.15pF capacitance up to 1GHz and insertion loss < –1dB at 20GHz - critical for preserving eye diagram integrity in 20Gbps differential signaling paths such as USB4 Gen 2x2 and Thunderbolt 4.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | ±1.5 V - Ensures no conduction during normal 1.5V logic-level signaling on high-speed data lanes |
| Breakdown Voltage (Min) | 4.0 V - Triggers clamping before damage to downstream 3.3V or lower-voltage PHY circuitry |
| Peak Pulse Current | 4.0 A (8/20µs) - Withstands IEC 61000-4-5 surge events without failure |
| Clamping Voltage | 4.5 V @ 4A - Limits transient voltage to safe level for 3.3V interface receivers |
| Channel Capacitance | 0.15 pF @ 1MHz - Minimizes signal distortion and insertion loss in 20Gbps differential pairs |
| ESD Rating | ±14 kV contact / ±16 kV air - Meets full IEC 61000-4-2 Level 4 immunity requirement |
| Package | X3-DFN0603-2 (0.6 × 0.3 × 0.3 mm) - Enables placement adjacent to USB-C connector pins with minimal trace stubs |
Pinout & Package
Package: X3-DFN0603-2 - ultra-compact leadless surface-mount package with 0.355mm pitch, gold-plated NiAu terminals, and UL 94V-0 molded plastic body. Moisture sensitivity level 1 (J-STD-020).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PIN1 | Anode (Channel 1) | Connects to protected data line (e.g., USB TX+/RX+); forms bidirectional path with PIN2 |
| PIN2 | Cathode (Channel 1) | Connects to protected data line (e.g., USB TX–/RX–); completes symmetrical ESD clamp path |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.15pF typical - preserves signal integrity in 20Gbps differential links without equalization overhead |
| Bidirectional clamping | ±1.5V VRWM - protects AC-coupled high-speed serial interfaces without polarity constraints |
| IEC 61000-4-2 Level 4 compliance | ±14kV contact / ±16kV air - satisfies end-equipment ESD certification requirements out-of-box |
| Thermal robustness | 500°C/W junction-to-ambient - sustains repeated ESD strikes with minimal temperature rise on standard FR-4 |
Applications
| Thunderbolt™ 4 Interface | USB Type-C® 20Gbps |
|---|---|
Use Scenario: Protecting differential TX/RX pairs in host-side Thunderbolt 4 controllers and retimers. IC Role / Device Role / Timing Role: Bidirectional ESD clamp placed within 2mm of connector to suppress ±15kV contact discharge without degrading 40GB/s eye margin. Use Value: Maintains >28dB return loss up to 20GHz and prevents PHY latch-up during hot-plug events. | Use Scenario: Shielding SuperSpeed+ differential lanes in USB-C receptacles on laptops and docking stations. IC Role / Device Role / Timing Role: Single-channel TVS on each D+/D– or TX+/TX– pair, co-located with common-mode chokes. Use Value: Enables full USB-IF 20Gbps compliance testing pass with zero bit-error-rate impact under ESD stress. |
| PCIe Gen 4/5 Retimer Modules | High-Speed DisplayPort 2.1 |
Use Scenario: Guarding PCIe 16GT/s serial links between CPU and add-in cards in server backplanes. IC Role / Device Role / Timing Role: Low-capacitance TVS on each lane pair, mounted directly at edge connector to minimize stub inductance. Use Value: Prevents transient-induced jitter accumulation that would exceed PCIe Gen 5 BER 10⁻¹² specification. | Use Scenario: Securing UHBR13.5 (80Gbps) DisplayPort 2.1 main link channels in AR/VR headsets and monitors. IC Role / Device Role / Timing Role: Channel-specific clamping on each of four 20Gbps lanes, placed immediately after source driver output. Use Value: Eliminates pixel corruption and frame drop during ESD events without requiring additional equalization tuning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional ultra-low-capacitance TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA6J15CA-Q | Higher capacitance (12pF), higher clamping (24V @ 5A), DO-214AC package | Designed for power-line and lower-speed signal protection, not suitable for >5Gbps data lines | Select only for cost-sensitive industrial I/O where speed is not critical |
| SP1006-01UTG | 0.25pF capacitance, ±12kV contact ESD, same X1-DFN0603-2 footprint but different marking | Marginally higher capacitance reduces usable bandwidth by ~3GHz vs. DESD1V5ZS1BLP3 | Acceptable for USB 10Gbps but not certified for Thunderbolt 4 40GB/s compliance |
Compared with SMA6J15CA-Q and SP1006-01UTG, DESD1V5ZS1BLP3 uniquely supports 20Gbps+ data rates via its 0.15pF capacitance and 4.5V clamping - making it the only option qualified for USB4 Gen 2x2 and Thunderbolt 4 system-level ESD validation.
Availability
DESD1V5ZS1BLP3 is available at Aetrix Electronics and suitable for Thunderbolt™ 4 interface design, USB Type-C® 20Gbps implementation, and high-speed DisplayPort 2.1 channel protection requiring stable component supply and guaranteed long-term sourcing.
Supply support for DESD1V5ZS1BLP3 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, specializing in high-performance protection, signal integrity, and power management solutions for computing, communications, and consumer electronics.
This device belongs to Diodes' Ultra-Low Capacitance TVS portfolio, engineered specifically to meet the stringent signal integrity and ESD immunity requirements of next-generation high-speed serial interfaces including USB4, Thunderbolt 4, and DisplayPort 2.1.
FAQ
What is the maximum operating temperature for DESD1V5ZS1BLP3?
The device operates reliably from –55°C to +150°C ambient temperature. Its thermal resistance (RθJA = 500°C/W) and low power dissipation (250mW) allow sustained operation in thermally constrained spaces like laptop hinge zones and compact docking station PCBs without derating.
Can DESD1V5ZS1BLP3 be used for unidirectional signal lines?
No - it is strictly bidirectional due to symmetric internal structure and ±1.5V VRWM rating. For unidirectional protection (e.g., power rail or GPIO), Diodes recommends the DESD1V5E1B-7, which features 1.5V standoff and 5.5V clamping in a matched X3-DFN0603-2 package.
Does this TVS diode require external biasing or control signals?
No - DESD1V5ZS1BLP3 is a passive, voltage-triggered device with no external connections beyond its two terminals. It requires no power supply, enable pin, or configuration; clamping activates automatically when voltage exceeds VBR (4.0V min) in either polarity.
How does its 0.15pF capacitance compare to legacy TVS devices?
Legacy high-speed TVS diodes typically range from 0.4pF to 1.2pF. At 0.15pF, DESD1V5ZS1BLP3 reduces capacitive loading by ≥60% versus alternatives like the PUSB3FR4, enabling cleaner 20Gbps eye diagrams and eliminating need for post-layout equalization tuning in USB4/Thunderbolt 4 designs.
DESD1V5ZS1BLP3-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 0201 (0603 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 1.5V (Max)
- Voltage - Breakdown (Min):
- 4V
- Voltage - Clamping (Max) @ Ipp:
- 4.5V (Typ)
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- HDMI, USB
- Capacitance @ Frequency:
- 0.15pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X3-DFN0603-2
DESD1V5ZS1BLP3-7 FAQ
1.How can I place an order for DESD1V5ZS1BLP3-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DESD1V5ZS1BLP3-7 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 DESD1V5ZS1BLP3-7 reliable?
The price and inventory of DESD1V5ZS1BLP3-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DESD1V5ZS1BLP3-7 is usually 5 days.
3.What payment methods are accepted for DESD1V5ZS1BLP3-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DESD1V5ZS1BLP3-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DESD1V5ZS1BLP3-7?
DESD1V5ZS1BLP3-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DESD1V5ZS1BLP3-7 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 DESD1V5ZS1BLP3-7?
For technical support, including DESD1V5ZS1BLP3-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DESD1V5ZS1BLP3-7 requirements.
6.How does Aetrix verify that DESD1V5ZS1BLP3-7 is sourced from the original manufacturer or authorized distributors?
All DESD1V5ZS1BLP3-7 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 DESD1V5ZS1BLP3-7 meets industry standards.
7.What is the process for return or replacement of DESD1V5ZS1BLP3-7?
All DESD1V5ZS1BLP3-7 units undergo pre-shipment inspection (PSI). If there is an issue with DESD1V5ZS1BLP3-7, 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 DESD1V5ZS1BLP3-7 part is unused and in its original packaging.
Return procedure for DESD1V5ZS1BLP3-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DESD1V5ZS1BLP3-7 Tags
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