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Diodes Incorporated DESD5V0S1BL-7B
- Part No.:
- DESD5V0S1BL-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
DESD5V0S1BL-7B.pdf
- Description:
- TVS DIODE 5VWM 14VC DFN1006-2
- Quantity:
- Payment:
- Shipping:
Inventory:58,513
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Product details
Overview
DESD5V0S1BL-7B from Diodes Incorporated is a low-capacitance bi-directional TVS diode designed for ESD protection of high-speed data lines. It delivers ±30kV IEC 61000-4-2 air/contact ESD immunity, 12A peak pulse current (8/20µs), 5V reverse standoff voltage, and 35–45pF channel capacitance at 1MHz - enabling robust protection in USB 2.0, HDMI, and audio interfaces of portable electronics.
For engineers reviewing the DESD5V0S1BL-7B datasheet, DESD5V0S1BL-7B pinout, DESD5V0S1BL-7B application, or DESD5V0S1BL-7B equivalent, key selection criteria include clamping voltage under 14V at 12A, sub-50pF input capacitance for signal integrity, thermal resistance of 500°C/W, and X1-DFN1006-2 package compatibility with space-constrained PCB layouts.
Technical Context
This bi-directional TVS diode operates symmetrically across both polarities to clamp transient overvoltages before they damage sensitive downstream ICs. Its 5.5–9.5V breakdown voltage ensures reliable triggering above 5V nominal line voltage while maintaining low leakage (<100nA at 5V) and minimal differential resistance (0.4Ω at 10A).
The device uses silicon avalanche structure optimized for fast response (<1ns) to ESD events and low parasitic capacitance. Its thermal design supports 250mW continuous power dissipation on standard FR-4 PCBs with Diodes' recommended 2oz copper pad layout, enabling stable operation from –65°C to +150°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating | ±30kV contact & air discharge per IEC 61000-4-2 - meets highest system-level ESD immunity requirements without external shielding. |
| Clamping Voltage | 14V max at 12A (8/20µs) - limits voltage seen by protected IC to safe levels during surge events. |
| Reverse Standoff Voltage | 5V - matches common I/O voltage rails (USB, HDMI, audio codecs) without false triggering. |
| Channel Capacitance | 35–45pF at 0V, 1MHz - preserves signal integrity on 480Mbps USB 2.0 and 1.65Gbps HDMI 1.4a links. |
| Peak Pulse Current | 12A (8/20µs waveform) - handles severe lightning-induced surges per IEC 61000-4-5 Level 3. |
| Leakage Current | 5–100nA at 5V - avoids loading of high-impedance analog or reference circuits. |
| Breakdown Voltage | 5.5–9.5V at 1mA - ensures consistent turn-on margin above 5V operating rail with process variation tolerance. |
Pinout & Package
Package: X1-DFN1006-2 - ultra-compact 1.0mm × 0.6mm, 0.5mm height, lead-free, halogen-free, RoHS-compliant surface-mount package with NiPdAu-plated terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode (A) | One terminal of bi-directional avalanche junction; connected to protected signal line. |
| Pin 2 | Cathode (K) | Second terminal of bi-directional junction; tied to ground or common reference plane. |
Key Features
| Feature | Design Value |
|---|---|
| Low Input Capacitance | 35–45pF enables use on >480Mbps high-speed digital interfaces without signal distortion. |
| High ESD Withstand | ±30kV IEC 61000-4-2 ensures single-device compliance with EN 61000-6-2 industrial immunity standards. |
| Tight Clamping Performance | Clamps to ≤14V at full 12A surge - protects 5V-tolerant transceivers and PHYs without overvoltage stress. |
| Thermal Robustness | 500°C/W RθJA allows sustained operation up to +150°C ambient when mounted per Diodes' recommended pad layout. |
Applications
| USB 2.0 Data Lines | HDMI DDC/CEC Channels |
|---|---|
Use Scenario: ESD protection on DP/DM lines of smartphone USB ports exposed to frequent user handling. IC Role / Device Role: Bi-directional transient voltage suppressor placed between connector and USB transceiver. Use Value: Prevents latch-up or gate oxide damage in USB PHYs during ±30kV contact discharge events. |
Use Scenario: Protection of HDMI DDC (I²C) and CEC control lines in set-top boxes and AV receivers. IC Role / Device Role: Low-capacitance TVS shunting transients to ground while preserving 100kHz I²C timing margins. Use Value: Maintains <100ns rise/fall times on 3.3V DDC bus with <45pF loading and no communication errors. |
| Smartphone Audio Jacks | Industrial Sensor Interfaces |
Use Scenario: ESD safeguarding of 3.5mm TRRS microphone and headset detection lines in mobile handsets. IC Role / Device Role: Signal-line TVS placed inline between jack and codec ADC/DAC inputs. Use Value: Blocks ±30kV air discharge without degrading audio SNR due to sub-50pF capacitance and <100nA leakage. |
Use Scenario: Transient suppression on RS-485 or CAN FD data lines in factory automation controllers. IC Role / Device Role: Secondary protection stage after primary gas discharge tube or MOV, before receiver input. Use Value: Limits clamped voltage to <14V during 12A surges, preventing damage to isolated transceivers rated for 16V abs max. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bi-directional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ5.0A | Unidirectional, DO-214AC package (4.5×2.7mm), 600W PPP, 5V VRWM, 10.8V VCL @ 12.3A | Requires polarity-aware layout; unsuitable for AC-coupled or bidirectional buses like USB/HDMI | Select only for DC-biased lines where polarity is fixed and board area permits larger package. |
| TPD2E001DRYR | Bi-directional, X2SON-6 (1.0×0.8mm), dual-channel, 3.5pF typical capacitance, 5V VRWM, 12V VCL @ 1A | Lower capacitance but rated only for 1A IPP - insufficient for IEC 61000-4-5 Level 3 surge immunity | Prefer for ultra-high-speed interfaces (e.g., USB 3.0 SS) where surge level is limited to IEC 61000-4-2 only. |
Compared with SMAJ5.0A and TPD2E001DRYR, DESD5V0S1BL-7B uniquely balances ±30kV ESD rating, 12A surge capability, and 35–45pF capacitance in a 1.0×0.6mm footprint - making it optimal for compact, high-reliability USB 2.0 and HDMI protection where both ESD and surge immunity are required.
Availability
DESD5V0S1BL-7B is available at Aetrix Electronics and suitable for cellular handsets, portable electronics, and communication systems requiring stable component supply, automotive-qualified sourcing, and RoHS-compliant manufacturing traceability.
Supply support for DESD5V0S1BL-7B 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, power management, and signal integrity solutions for consumer, industrial, and automotive markets.
This device belongs to Diodes' DESD series of ultra-low-capacitance TVS diodes, engineered specifically for ESD-hardened high-speed data interfaces in space-constrained portable electronics.
FAQ
What is the maximum clamping voltage of DESD5V0S1BL-7B at 12A surge current?
The maximum clamping voltage is 14V under 8/20µs waveform conditions at 12A peak pulse current, as specified in the Electrical Characteristics table. This value ensures protected ICs remain within absolute maximum voltage ratings during worst-case surge events.
Can DESD5V0S1BL-7B be used on 3.3V logic lines?
Yes - its 5V reverse standoff voltage provides sufficient margin above 3.3V nominal rails, and its ±30kV ESD rating applies regardless of bias voltage. The 5.5–9.5V breakdown range guarantees reliable triggering without premature conduction during normal operation.
Is this device qualified for automotive applications?
DESD5V0S1BL-7B itself is not AEC-Q200 qualified; however, Diodes offers automotive-grade variants (e.g., DESD5V0S1BL-7BQ) with PPAP documentation, IATF 16949 manufacturing, and extended temperature validation. Contact Diodes or Aetrix for qualified alternatives.
How does the X1-DFN1006-2 package affect thermal performance?
Its 0.5mm height and NiPdAu-plated terminals enable low thermal resistance (500°C/W) when soldered to 2oz copper pads per Diodes' recommended layout. This allows continuous 250mW dissipation and stable operation up to +150°C ambient without derating.
DESD5V0S1BL-7B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 0402 (1006 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 5.5V
- Voltage - Clamping (Max) @ Ipp:
- 14V
- Current - Peak Pulse (10/1000µs):
- 12A (8/20µs)
- Power - Peak Pulse:
- 130W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 35pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-DFN1006-2
DESD5V0S1BL-7B FAQ
1.How can I place an order for DESD5V0S1BL-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for DESD5V0S1BL-7B 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 DESD5V0S1BL-7B reliable?
The price and inventory of DESD5V0S1BL-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DESD5V0S1BL-7B is usually 5 days.
3.What payment methods are accepted for DESD5V0S1BL-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DESD5V0S1BL-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DESD5V0S1BL-7B?
DESD5V0S1BL-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DESD5V0S1BL-7B 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 DESD5V0S1BL-7B?
For technical support, including DESD5V0S1BL-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DESD5V0S1BL-7B requirements.
6.How does Aetrix verify that DESD5V0S1BL-7B is sourced from the original manufacturer or authorized distributors?
All DESD5V0S1BL-7B 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 DESD5V0S1BL-7B meets industry standards.
7.What is the process for return or replacement of DESD5V0S1BL-7B?
All DESD5V0S1BL-7B units undergo pre-shipment inspection (PSI). If there is an issue with DESD5V0S1BL-7B, 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 DESD5V0S1BL-7B part is unused and in its original packaging.
Return procedure for DESD5V0S1BL-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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