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Diodes Incorporated DESD5V0S1BB-7
- Part No.:
- DESD5V0S1BB-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
DESD5V0S1BB-7.pdf
- Description:
- TVS DIODE 5VWM 14VC SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:38,617
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Product details
Overview
DESD5V0S1BB-7 from Diodes Incorporated is a low-capacitance bidirectional TVS diode designed for ESD protection of high-speed data lines. It delivers ±30 kV IEC 61000-4-2 air/contact ESD immunity, 12 A peak pulse current (8/20 µs), 5 V reverse standoff voltage, and 35–45 pF channel capacitance at 1 MHz - enabling robust protection in USB 2.0, HDMI, and cellular antenna interfaces.
For engineers reviewing the DESD5V0S1BB-7 datasheet, DESD5V0S1BB-7 pinout, DESD5V0S1BB-7 application, or DESD5V0S1BB-7 equivalent, key selection criteria include clamping voltage under 14 V at 12 A, sub-50 pF input capacitance for signal integrity, SOD523 footprint compatibility, and compliance with IEC 61000-4-2/4-5 standards for portable electronics design.
Technical Context
This bidirectional TVS diode operates symmetrically across both polarities to suppress transient overvoltages on differential or single-ended signal paths. Its low 35–45 pF capacitance minimizes signal distortion on high-frequency lines up to 480 Mbps, while the 5.5–9.5 V breakdown voltage ensures reliable triggering before IC damage thresholds.
The device uses silicon avalanche technology with a differential resistance of 0.4 Ω at 10 A, enabling fast response (<1 ns) and low clamping overshoot. Thermal performance is rated at 833 °C/W junction-to-ambient on standard FR-4 PCB layout, supporting operation from –65 °C to +150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Protection Level | ±30 kV contact & air discharge per IEC 61000-4-2 - meets highest system-level ESD immunity requirements for handheld devices |
| Clamping Voltage | 14 V max at 12 A (8/20 µs) - limits downstream IC voltage stress during surge events |
| Channel Capacitance | 35–45 pF at 0 V, 1 MHz - preserves signal integrity on USB 2.0 and audio/data lines |
| Reverse Standoff Voltage | 5 V - matches common I/O rail voltages (e.g., USB D+/D–, HDMI TMDS) |
| Peak Pulse Current | 12 A (8/20 µs waveform) - handles severe lightning-induced surges per IEC 61000-4-5 |
| Breakdown Voltage | 5.5–9.5 V at 1 mA - ensures stable turn-on margin above 5 V operating rails |
Pinout & Package
Package: SOD523 - ultra-small surface-mount package (1.7 mm × 0.9 mm × 0.6 mm), optimized for space-constrained portable designs and compatible with automated pick-and-place assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode/Cathode (bidirectional) | Common terminal for symmetrical ESD clamping - connects to protected signal line |
| 2 | Anode/Cathode (bidirectional) | Second terminal forming bidirectional path - ties to ground or reference plane |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping architecture | Enables single-device protection of AC-coupled or differential signals without polarity constraints |
| Low 0.4 Ω dynamic resistance | Reduces clamping voltage overshoot and improves energy handling efficiency during fast transients |
| Lead-free, halogen-free construction | Complies with RoHS 2 and JEDEC green standards - supports environmental compliance in global markets |
| Moisture sensitivity level 1 | Eliminates need for dry-packaging or baking prior to reflow - simplifies manufacturing logistics |
Applications
| USB 2.0 Interface Protection | HDMI Signal Line Protection |
|---|---|
Use Scenario: Protecting D+ and D– lines in smartphone USB ports against repeated electrostatic discharge during cable insertion. IC Role / Device Role: Bidirectional TVS clamp placed directly at connector to shunt ESD energy to ground before reaching PHY IC. Use Value: 35–45 pF capacitance avoids signal rise-time degradation, maintaining full 480 Mbps data rate compliance. | Use Scenario: Safeguarding TMDS clock and data channels in tablet HDMI receptacles exposed to user-handling ESD. IC Role / Device Role: Low-capacitance transient suppressor mounted adjacent to HDMI connector pins. Use Value: ±30 kV ESD rating and 14 V clamping ensure HDMI receiver ICs survive real-world discharge events without latch-up. |
| Cellular Antenna Feed Protection | Audio Jack ESD Suppression |
Use Scenario: Shielding RF front-end components connected to external antenna ports in LTE handsets from human-body model discharges. IC Role / Device Role: High-frequency TVS placed in series with antenna matching network to protect LNA and switch. Use Value: Sub-50 pF capacitance prevents detuning of 700–2700 MHz antenna impedance matching networks. | Use Scenario: Preventing permanent damage to codec ICs during headphone plug insertion/removal in wearables. IC Role / Device Role: Dual-terminal ESD protector bridging tip/ring contacts to ground on 3.5 mm jack PCB footprint. Use Value: 5 V standoff voltage aligns with audio bias rails; bidirectional symmetry handles arbitrary plug-polarity events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ5.0A | Higher 100 pF capacitance, DO-214AC package, 600 W peak power | Targeted at lower-speed power-line or DC supply protection, not high-speed data lines | Select only when board space and signal bandwidth allow larger footprint and higher capacitance |
| TPD2E001DRYR | 0.8 pF typical capacitance, 2-channel array, 1.6 mm × 1.6 mm X2SON package | Optimized for dual-line protection (e.g., USB D+/D–) with tighter layout control | Prefer for new USB 2.0 designs requiring lowest possible capacitance and integrated dual-channel layout |
Compared with SMAJ5.0A and TPD2E001DRYR, DESD5V0S1BB-7 uniquely balances ultra-low profile (SOD523), moderate 35–45 pF capacitance, and ±30 kV ESD rating - making it optimal for cost-sensitive, space-constrained single-line protection where sub-1 pF isn't required but 100 pF is unacceptable.
Availability
DESD5V0S1BB-7 is available at Aetrix Electronics and suitable for cellular handsets, portable electronics, and communication systems requiring stable component supply, RoHS-compliant packaging, and high-volume tape-and-reel delivery.
Supply support for DESD5V0S1BB-7 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-reliability protection, signal integrity, and power management solutions for consumer, industrial, and communications markets.
The DESD5V0S1BB-7 belongs to Diodes' low-capacitance TVS portfolio, engineered specifically for ESD hardening of high-speed digital interfaces in battery-powered portable equipment.
FAQ
What is the maximum clamping voltage of DESD5V0S1BB-7 at 12 A?
The maximum clamping voltage is 14 V under an 8/20 µs peak pulse current of 12 A, as specified in the Electrical Characteristics table. This value is measured with defined test conditions and represents the upper limit of voltage seen by downstream circuitry during worst-case surge events.
Can DESD5V0S1BB-7 be used for unidirectional signal lines?
Yes - although bidirectional, it functions effectively on unidirectional lines such as USB D+ or HDMI TMDS+ by clamping overvoltage in both polarities. Its symmetric structure eliminates polarity marking concerns and simplifies layout versus unidirectional TVS devices requiring strict anode/cathode orientation.
Is the SOD523 package compatible with standard reflow profiles?
Yes - the SOD523 package is qualified for lead-free reflow per J-STD-020, with moisture sensitivity level 1. No pre-baking is required, and it withstands peak temperatures up to 260 °C, supporting standard Pb-free assembly processes without reliability risk.
How does DESD5V0S1BB-7 differ from general-purpose TVS diodes like P6KE5.0A?
Unlike P6KE5.0A (DO-15, 1000 pF, 600 W), DESD5V0S1BB-7 offers 35–45 pF capacitance and SOD523 footprint - making it suitable for high-speed data lines. Its 130 W peak power is lower but sufficient for IEC 61000-4-2 ESD, whereas P6KE5.0A targets higher-energy surges in power-supply applications.
DESD5V0S1BB-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-79, SOD-523
- 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:
- SOD-523
DESD5V0S1BB-7 FAQ
1.How can I place an order for DESD5V0S1BB-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DESD5V0S1BB-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 DESD5V0S1BB-7 reliable?
The price and inventory of DESD5V0S1BB-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DESD5V0S1BB-7 is usually 5 days.
3.What payment methods are accepted for DESD5V0S1BB-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DESD5V0S1BB-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DESD5V0S1BB-7?
DESD5V0S1BB-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DESD5V0S1BB-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 DESD5V0S1BB-7?
For technical support, including DESD5V0S1BB-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DESD5V0S1BB-7 requirements.
6.How does Aetrix verify that DESD5V0S1BB-7 is sourced from the original manufacturer or authorized distributors?
All DESD5V0S1BB-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 DESD5V0S1BB-7 meets industry standards.
7.What is the process for return or replacement of DESD5V0S1BB-7?
All DESD5V0S1BB-7 units undergo pre-shipment inspection (PSI). If there is an issue with DESD5V0S1BB-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 DESD5V0S1BB-7 part is unused and in its original packaging.
Return procedure for DESD5V0S1BB-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DESD5V0S1BB-7 Tags
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Diodes Incorporated
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