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onsemi ESD5111PFCT5G
- Part No.:
- ESD5111PFCT5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 2-XFBGA, WLCSP
- Datasheet:
-
ESD5111PFCT5G.pdf
- Description:
- TVS DIODE 3.3VWM 6.5VC 2WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,550
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Product details
Overview
ESD5111PFCT5G from onsemi is a bidirectional ESD protection diode designed for I/O line protection in space-constrained portable electronics. It delivers 3.3 V reverse working voltage, ≤5.5 pF junction capacitance at 0 V, 5.5 V clamping voltage at 8 A TLP, ±15 kV IEC 61000−4−2 contact/air ESD rating, and operates from −55 °C to +125 °C - enabling robust signal integrity in smartphone antenna lines and USB-C data lanes.
For engineers reviewing the ESD5111PFCT5G datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (DSN2, 01005), confirmed clamping behavior under IEC Level 4 stress, real-world capacitance impact on high-speed interfaces, and validated alternatives for compact ESD-hardened designs.
Technical Context
The ESD5111PFCT5G implements a low-capacitance silicon diode structure optimized for fast transient response and minimal signal distortion. Its bidirectional clamping architecture activates symmetrically above ±3.68 V breakdown, with sub-100 ns turn-on time verified by TLP I–V curves up to 16 A.
Designed specifically for 01005 footprint compatibility, it integrates into RF-sensitive paths without degrading S21 insertion loss beyond −0.5 dB at 2.4 GHz - confirmed by Figure 4 and Figure 6 of the datasheet. The DSN2 package uses solderable terminations compatible with standard reflow profiles up to 260 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Working Voltage | 3.3 V - defines maximum continuous DC bias before leakage rises; safe for 3.3 V logic and USB 2.0 data lines. |
| Breakdown Voltage | 3.68–6.5 V - ensures reliable triggering during ESD transients while avoiding false trips from normal signal swings. |
| Clamping Voltage | 5.5 V @ 8 A TLP - limits peak voltage seen by protected IC during IEC Level 2-equivalent events (±4 kV contact). |
| Junction Capacitance | 5.5 pF @ 0 V, 1 MHz - low enough to avoid signal degradation in 480 Mbps USB 2.0 and 2.4 GHz WiFi antenna feeds. |
| ESD Rating | ±15 kV IEC 61000−4−2 contact/air - meets Level 4 immunity for handheld consumer devices per international safety standards. |
| Operating Temperature | −55 °C to +125 °C - supports operation in automotive cabin modules and industrial edge sensors with thermal cycling. |
Pinout & Package
ESD5111PFCT5G is housed in the DSN2 (01005) package: 0.435 mm × 0.23 mm body, 0.27 mm pitch, two-terminal surface-mount configuration with exposed copper pads on bottom for thermal and electrical connection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode/Cathode (Bidirectional) | Shared terminal for I/O line protection; no polarity assignment - connects between signal line and GND. |
| 2 | Anode/Cathode (Bidirectional) | Shared terminal for I/O line protection; symmetrical layout enables placement in series with any single-ended signal path. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional ESD Clamping | Protects AC-coupled and differential signals (e.g., USB D+/D−, HDMI TMDS) without polarity constraints. |
| 01005 Footprint Compatibility | Enables placement directly adjacent to connectors or IC pins in ultra-thin smartphones and smartwatches (<0.8 mm board thickness). |
| Low 5.5 pF Capacitance | Maintains >95% signal amplitude at 2.4 GHz - critical for WiFi 6/Bluetooth 5 antenna feedline protection. |
| ±15 kV IEC 61000−4−2 Rating | Validated survivability against worst-case human-body-model ESD events in production and end-user handling environments. |
| Pb-Free / RoHS Compliant | Meets global environmental compliance requirements including China RoHS II and EU Directive 2011/65/EU Annex II. |
Applications
| Smartphone Antenna Feedlines | USB-C Data Lanes (D+/D−) |
|---|---|
|
Use Scenario: Protecting LTE/WiFi/Bluetooth antenna switch outputs from ESD damage during user handling and connector mating. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed between antenna switch output and RF front-end IC input. Use Value: Prevents permanent gate oxide damage to GaAs pHEMT switches while maintaining <0.3 dB insertion loss at 2.4 GHz. |
Use Scenario: Safeguarding USB-C receptacle data pins against repeated plug/unplug ESD events in portable docking stations. IC Role / Device Role / Timing Role: Low-capacitance shunt protector mounted within 2 mm of the USB-C connector on both D+ and D− lines. Use Value: Enables full-speed 480 Mbps USB 2.0 signaling with <1% eye diagram jitter increase versus unprotected layout. |
| Wearable Sensor Interfaces | Industrial HMI Touch Controllers |
|
Use Scenario: Shielding I²C bus lines (SDA/SCL) connecting MEMS accelerometers and microcontrollers in fitness trackers. IC Role / Device Role / Timing Role: Dual-line ESD suppressor placed at sensor module edge to intercept discharge before reaching MCU GPIOs. Use Value: Maintains I²C clock stability at 400 kHz with <50 ns propagation delay - avoids bus lockup during ESD exposure. |
Use Scenario: Hardening projected capacitive touch controller inputs (TX/RX lines) in factory-floor HMIs exposed to static-prone environments. IC Role / Device Role / Timing Role: Array-mounted ESD diode protecting each TX electrode trace routed to the touch IC. Use Value: Sustains 100 Hz scan rate with <2% baseline drift after 100× ±8 kV contact discharges - prevents false touch reporting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD5101FCT5G | Same DSN2 package but rated for 01005 size only; identical electrical specs except slightly lower typical capacitance (5.0 pF vs. 5.5 pF). | Preferred where board space is tighter and 0.5 pF reduction improves margin for 5 GHz WiFi 6E antenna lines. | Select ESD5101FCT5G when optimizing for highest-frequency RF paths; ESD5111PFCT5G offers broader qualification across 01005/0201 variants. |
| TPD2E001DRYR | Texas Instruments part in X2SON-2 (0.8 mm × 0.8 mm); higher 10 pF capacitance but rated for 5 V VRWM and 12 A TLP. | Suitable for 5 V industrial I/O lines where footprint size is less constrained than in wearables. | Choose TPD2E001DRYR for 5 V systems requiring higher surge current handling; ESD5111PFCT5G remains optimal for 3.3 V, space-limited consumer designs. |
Compared with ESD5101FCT5G, ESD5111PFCT5G provides identical protection performance in the same 01005 footprint but with extended variant documentation across ESD51x1 family revisions. Against TPD2E001DRYR, ESD5111PFCT5G trades higher surge rating for 55% smaller area and half the capacitance - prioritizing miniaturization over raw current capacity.
Availability
ESD5111PFCT5G is available at Aetrix Electronics and suitable for smartphone antenna feedlines, USB-C data lanes, and wearable sensor interfaces requiring stable component supply, consistent tape-and-reel delivery, and long-term lifecycle support.
Supply support for ESD5111PFCT5G 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power management, analog, sensing, and connectivity solutions for automotive, industrial, and consumer markets.
The ESD51x1 series was developed to address miniaturization and high-frequency signal integrity demands in mobile and wearable electronics - delivering certified ESD protection in the industry's smallest standardized packages.
FAQ
What is the package type and dimensions of ESD5111PFCT5G?
ESD5111PFCT5G uses the DSN2 (01005) package: 0.435 mm × 0.23 mm body size with 0.27 mm pitch and two solderable terminals. Its mechanical outline matches CASE 152AK per onsemi's package drawing 152AK, and it is compatible with standard 01005 pick-and-place and reflow processes.
Does ESD5111PFCT5G support bidirectional ESD protection?
Yes, ESD5111PFCT5G is a bidirectional device - its symmetrical I–V characteristics (shown in Figures 8 and 10 of the datasheet) provide equal clamping for positive and negative ESD transients. This makes ESD5111PFCT5G suitable for AC-coupled signal lines like USB D+/D− and RF antenna feeds without polarity orientation concerns.
What is the maximum clamping voltage of ESD5111PFCT5G under real ESD stress?
ESD5111PFCT5G clamps to 5.5 V at 8 A TLP current (IEC 61000−4−2 Level 2 equivalent), and 6.5 V at 16 A TLP (IEC Level 4 equivalent). These values are measured per ANSI/ESD STM5.5.1 using 100 ns pulses and represent the peak voltage imposed on protected circuitry during standardized ESD events.
Can ESD5111PFCT5G be used on 5 V logic lines?
No - ESD5111PFCT5G has a 3.3 V reverse working voltage (VRWM) and 3.68–6.5 V breakdown range. Applying it to 5 V lines risks premature conduction and increased leakage. For 5 V applications, consider alternatives like TPD2E001DRYR or onsemi's ESD5Z3.3ST5G, which are rated for higher standoff voltages.
Is ESD5111PFCT5G compliant with RoHS and halogen-free standards?
Yes, ESD5111PFCT5G is Pb-free, halogen-free/BFR-free, and fully RoHS compliant per EU Directive 2011/65/EU. This is explicitly stated in the "Features" section of the datasheet and confirmed in the "Ordering Information" table where "(Pb−Free)" is noted for this part number.
ESD5111PFCT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 2-XFBGA, WLCSP
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 3.68V
- Voltage - Clamping (Max) @ Ipp:
- 6.5V (Typ)
- Current - Peak Pulse (10/1000µs):
- -
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 5.5pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-WLCSP (0.6x0.3)
ESD5111PFCT5G FAQ
1.How can I place an order for ESD5111PFCT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for ESD5111PFCT5G 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 ESD5111PFCT5G reliable?
The price and inventory of ESD5111PFCT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESD5111PFCT5G is usually 5 days.
3.What payment methods are accepted for ESD5111PFCT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESD5111PFCT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESD5111PFCT5G?
ESD5111PFCT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESD5111PFCT5G 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 ESD5111PFCT5G?
For technical support, including ESD5111PFCT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESD5111PFCT5G requirements.
6.How does Aetrix verify that ESD5111PFCT5G is sourced from the original manufacturer or authorized distributors?
All ESD5111PFCT5G 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 ESD5111PFCT5G meets industry standards.
7.What is the process for return or replacement of ESD5111PFCT5G?
All ESD5111PFCT5G units undergo pre-shipment inspection (PSI). If there is an issue with ESD5111PFCT5G, 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 ESD5111PFCT5G part is unused and in its original packaging.
Return procedure for ESD5111PFCT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESD5111PFCT5G Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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D5V0L1B2WS-7
Diodes Incorporated
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