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Nexperia USA Inc. PESD5V0L1UB-QX
- Part No.:
- PESD5V0L1UB-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
PESD5V0L1UB-QX.pdf
- Description:
- PESD5V0L1UB-Q/SOD523/SC-79
- Quantity:
- Payment:
- Shipping:
Inventory:6,157
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Product details
Overview
PESD5V0L1UB-Q from Nexperia is a low-capacitance unidirectional ESD protection diode in SC-79 (SOD523) package, designed to protect a single signal line against electrostatic discharge up to 26 kV (IEC 61000-4-2 Level 4), with 25 pF capacitance, 12 V clamping voltage at 3.5 A, and 10 nA reverse leakage at 5 V. It is qualified to AEC-Q101 and used in high-speed data lines including SIM card interfaces and FireWire.
For engineers reviewing the PESD5V0L1UB-Q datasheet, PESD5V0L1UB-Q pinout, PESD5V0L1UB-Q application, or PESD5V0L1UB-Q equivalent, this device supports automotive-grade transient suppression on unidirectional signal paths where low capacitance and fast clamping response are critical for signal integrity preservation.
Technical Context
This unidirectional TVS diode operates as a clamping device between anode (Pin 2) and cathode (Pin 1), conducting only when reverse voltage exceeds 6.4 V breakdown threshold. Its low 25 pF capacitance minimizes signal distortion on high-speed lines up to ~1 GHz.
The device delivers 42 W peak pulse power handling (8/20 µs waveform) and maintains stable clamping at 12 V under 3.5 A transient current, with differential resistance of 30 Ω enabling rapid energy diversion away from protected ICs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 5 V - Maximum continuous operating voltage before conduction begins; defines safe signal swing range. |
| Breakdown Voltage | 6.4–7.2 V - Threshold at which diode enters avalanche conduction; ensures reliable triggering before system damage. |
| Clamping Voltage | 12 V at 3.5 A - Peak voltage seen by protected circuit during worst-case ESD event; limits stress on downstream ICs. |
| Diode Capacitance | 25 pF typical at 1 MHz - Enables use on high-speed interfaces (e.g., USB 2.0, FireWire) without signal degradation. |
| ESD Rating | ±26 kV contact discharge (IEC 61000-4-2 Level 4) - Meets highest industrial and automotive ESD immunity requirements. |
| Leakage Current | 10 nA at 5 V - Negligible loading on low-power signal lines; preserves battery life in portable electronics. |
| Peak Pulse Power | 42 W - Sustains 8/20 µs surge transients per IEC 61000-4-5 without degradation. |
Pinout & Package
Package: SC-79 (SOD523), plastic surface-mounted, 2-lead, 1.2 mm × 0.8 mm × 0.6 mm body. Cathode indicated by marking bar.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode | Connected to ground or reference node; carries transient current during negative ESD events. |
| 2 | Anode | Connected to protected signal line; conducts during positive overvoltage events above breakdown. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional ESD protection | Protects one signal line with polarity-specific clamping-ideal for DC-biased or ground-referenced interfaces. |
| AEC-Q101 qualification | Validated for automotive environments including temperature cycling, humidity, and mechanical shock per discrete semiconductor standard. |
| Low 25 pF capacitance | Preserves signal rise/fall times on high-speed lines such as SIM card interfaces and FireWire without added jitter or attenuation. |
| 12 V clamping at 3.5 A | Ensures downstream logic ICs (e.g., UART transceivers, SIM controllers) remain within absolute maximum ratings during ESD stress. |
| 10 nA reverse leakage | Minimizes quiescent current draw in always-on portable systems like smartphones and wearables. |
Applications
| Cellular Handset SIM Interface | Automotive Infotainment USB Port |
|---|---|
Use Scenario: Protecting SIM card data lines (I/O, CLK, RST) from user-handling ESD in mobile handsets. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed directly at SIM connector to shunt ESD pulses to ground before reaching baseband processor. Use Value: Prevents SIM communication failure and controller latch-up while maintaining <25 pF loading for compliant 10 MHz clock signaling. |
Use Scenario: Shielding USB 2.0 D+ and D− lines in vehicle head units exposed to ESD during accessory plugging/unplugging. IC Role / Device Role / Timing Role: Per-line protection element mounted adjacent to USB receptacle to clamp ±26 kV contact discharges per IEC 61000-4-2. Use Value: Ensures USB enumeration reliability and prevents PHY damage without distorting 480 Mbps data eye due to low 25 pF capacitance. |
| FireWire (IEEE 1394) Data Link | Portable Audio Line-Out Protection |
Use Scenario: Safeguarding bidirectional FireWire data pairs against ESD in camcorders and audio interfaces. IC Role / Device Role / Timing Role: One device per signal line (TPA/TPB), leveraging unidirectional behavior matched to FireWire's DC bias scheme. Use Value: Maintains FireWire's 400 Mbps signaling integrity with sub-12 V clamping during 3.5 A transients, avoiding bit errors. |
Use Scenario: Protecting analog line-out signals in Bluetooth speakers and headphones from user-touch ESD. IC Role / Device Role / Timing Role: Ground-referenced clamping path for positive-going transients on output drivers feeding 32 Ω headphones. Use Value: Eliminates audible pop/click during ESD events while adding no measurable noise or THD due to ultra-low 10 nA leakage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD5Z5.0T1G (ON Semiconductor) | Higher 35 pF capacitance; 13.5 V clamping at 3.5 A; same SOD-523 package. | Less suitable for >200 Mbps interfaces due to higher capacitance-induced signal loss. | Select when cost sensitivity outweighs marginal speed requirement and clamping margin is acceptable. |
| TPD1E10B06DPYR (Texas Instruments) | Lower 6.5 pF capacitance; 7.5 V clamping at 1 A; same 2-pin SOD-523 footprint but rated for lower peak current (1 A vs. 3.5 A). | Better for ultra-high-speed lines (e.g., MIPI D-PHY), but insufficient for 26 kV ESD robustness in harsh environments. | Prefer for compact high-frequency designs where peak ESD threat is ≤15 kV and layout allows tighter grounding. |
Compared with ESD5Z5.0T1G and TPD1E10B06DPYR, PESD5V0L1UB-Q uniquely balances 25 pF capacitance, 26 kV ESD rating, and 12 V clamping at full 3.5 A-making it optimal for automotive and portable applications demanding both speed and ruggedness.
Availability
PESD5V0L1UB-Q is available at Aetrix Electronics and suitable for cellular handset SIM interfaces, automotive infotainment USB ports, and FireWire data links requiring stable component supply across production lifecycles.
Supply support for PESD5V0L1UB-Q 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
Nexperia is a global semiconductor expert delivering high-performance, reliable discrete, logic, and MOSFET devices with focus on efficiency, miniaturization, and automotive-grade quality.
PESD5V0L1UB-Q belongs to Nexperia's ESD protection portfolio engineered specifically for high-speed, space-constrained interfaces in automotive and portable electronics where low capacitance and AEC-Q101 compliance are mandatory.
FAQ
What is the maximum continuous reverse voltage this diode can withstand?
The PESD5V0L1UB-Q has a reverse standoff voltage (VRWM) of 5 V, meaning it blocks up to 5 V in reverse bias without significant conduction. This value is confirmed in Table 1 and Table 6 of the datasheet and defines its safe operating window for DC-coupled signal lines.
Can this device protect bidirectional signal lines like USB D+ and D−?
No-PESD5V0L1UB-Q is unidirectional and protects only one polarity. For bidirectional lines, two devices must be used per line (anode-to-line + cathode-to-ground for positive transients; cathode-to-line + anode-to-ground for negative), or a dedicated bidirectional variant like PESD5V0S1BA-Q should be selected.
Is the SC-79 (SOD523) package compatible with standard reflow profiles?
Yes-the device is qualified for lead-free reflow soldering per J-STD-020. Figure 8 provides the recommended solder land pattern, and the package withstands peak temperatures up to 260 °C for ≤30 seconds, matching standard Class 3 IPC/JEDEC profiles.
How does its 26 kV ESD rating compare to typical system-level requirements?
The ±26 kV contact discharge rating exceeds IEC 61000-4-2 Level 4 (±15 kV), making it suitable for high-reliability automotive cabins and industrial handhelds where users frequently interact with connectors. This margin ensures robustness even after multiple stress cycles.
PESD5V0L1UB-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SC-79, SOD-523
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 12V
- Current - Peak Pulse (10/1000µs):
- 3.5A (8/20µs)
- Power - Peak Pulse:
- 42W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- 25pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
PESD5V0L1UB-QX FAQ
1.How can I place an order for PESD5V0L1UB-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD5V0L1UB-QX 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 PESD5V0L1UB-QX reliable?
The price and inventory of PESD5V0L1UB-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD5V0L1UB-QX is usually 5 days.
3.What payment methods are accepted for PESD5V0L1UB-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD5V0L1UB-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD5V0L1UB-QX?
PESD5V0L1UB-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD5V0L1UB-QX 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 PESD5V0L1UB-QX?
For technical support, including PESD5V0L1UB-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD5V0L1UB-QX requirements.
6.How does Aetrix verify that PESD5V0L1UB-QX is sourced from the original manufacturer or authorized distributors?
All PESD5V0L1UB-QX 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 PESD5V0L1UB-QX meets industry standards.
7.What is the process for return or replacement of PESD5V0L1UB-QX?
All PESD5V0L1UB-QX units undergo pre-shipment inspection (PSI). If there is an issue with PESD5V0L1UB-QX, 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 PESD5V0L1UB-QX part is unused and in its original packaging.
Return procedure for PESD5V0L1UB-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD5V0L1UB-QX Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Nexperia USA Inc.
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Diodes Incorporated
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