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Nexperia USA Inc. PESD36VS2UT-QR
- Part No.:
- PESD36VS2UT-QR
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PESD36VS2UT-QR.pdf
- Description:
- PESD36VS2UT-Q/SOT23/TO-236AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,609
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Product details
Overview
PESD36VS2UT-QR from Nexperia is a low-capacitance unidirectional double ESD protection diode in SOT23 package, designed to protect two signal lines against IEC 61000-4-2 level 4 ESD (±30 kV contact) and IEC 61000-4-5 surge (2.5 A, 8/20 µs). Key specs include 36 V reverse standoff voltage, 17 pF typical capacitance, 55 V clamping voltage at 1 A, and AEC-Q101 qualification for automotive use.
For engineers reviewing the PESD36VS2UT-QR datasheet, PESD36VS2UT-QR pinout, PESD36VS2UT-QR application, or PESD36VS2UT-QR equivalent, this page delivers verified electrical parameters, validated dual-line protection topology, SOT23 terminal mapping, automotive-grade reliability data, and real-world layout guidance for high-speed interface protection including Ethernet and SIM card circuits.
Technical Context
This device implements a common-anode dual-cathode unidirectional ESD clamp structure, enabling independent protection of two positive-polarity signal lines referenced to ground. Its 17 pF capacitance (f = 1 MHz, VR = 0 V) and 300 Ω differential resistance support signal integrity in 10/100 Mbit/s Ethernet and audio interfaces.
The 36 V VRWM rating ensures compatibility with 3.3 V and 5 V logic systems while maintaining margin above operating voltage. Clamping at 55 V (IPP = 1 A) limits transient overvoltage to safe levels for downstream ICs, and AEC-Q101 qualification confirms robustness under automotive thermal and mechanical stress profiles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 36 V reverse standoff voltage - blocks normal signal voltage up to 36 V while remaining non-conductive during operation. |
| Cd | 17 pF typical diode capacitance at 1 MHz - minimizes signal distortion and insertion loss on high-speed lines like USB or Ethernet. |
| VCL | 55 V clamping voltage at IPP = 1 A - limits transient voltage seen by protected ICs to ≤55 V during ESD events. |
| PPPM | 160 W peak pulse power - sustains short-duration surges without degradation per IEC 61000-4-5 compliance. |
| ESD Rating | ±30 kV contact discharge per IEC 61000-4-2 level 4 - exceeds industrial and automotive immunity requirements. |
| IRM | ≤1 µA reverse leakage at VRWM = 30 V - prevents DC loading of sensitive analog or low-power digital inputs. |
| Rdiff | ≤300 Ω differential resistance - ensures fast response and low dynamic impedance during transient conduction. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mount package: 3-terminal, 1.9 mm pitch, 2.9 mm × 1.3 mm × 1.0 mm body. RoHS-compliant, qualified per AEC-Q101.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K1) | Cathode of diode 1 | Connects to first protected signal line; conducts ESD current to common anode (pin 3) during positive transients. |
| 2 (K2) | Cathode of diode 2 | Connects to second protected signal line; enables independent clamping of two unidirectional signals sharing one ground path. |
| 3 (A) | Common anode | Connected to system ground; serves as shared return path for both ESD protection paths, minimizing PCB routing complexity. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional dual-line protection | Two independent cathodes (pins 1 & 2) with shared anode (pin 3) enable discrete protection of separate positive-going signal paths without cross-talk. |
| Low 17 pF capacitance | Maintains signal rise time and bandwidth integrity on 10/100 Mbit/s Ethernet and audio interfaces without added filtering. |
| 55 V clamping at 1 A | Ensures downstream 3.3 V or 5 V logic ICs remain within absolute maximum ratings during ESD strikes. |
| AEC-Q101 qualification | Validated for automotive environments including temperature cycling (-55 °C to +150 °C) and mechanical shock. |
| ≤1 µA reverse leakage | Prevents unintended biasing or power drain in battery-powered portable electronics and SIM card interfaces. |
Applications
| 10/100 Mbit/s Ethernet | SIM Card Interface |
|---|---|
Use Scenario: Protection of differential TX/RX pairs in embedded Ethernet PHY interfaces on industrial controllers and automotive infotainment head units. IC Role / Device Role / Timing Role: Unidirectional ESD clamp placed at RJ45 connector entry point, shunting transients before reaching PHY IC pins. Use Value: 17 pF capacitance avoids signal integrity degradation at 100 Mbps; 55 V clamping prevents PHY latch-up or oxide damage during ±8 kV HBM ESD events. |
Use Scenario: ESD safeguard for 1.8 V/3.0 V SIM card data (I/O), clock (CLK), and reset (RST) lines in smartphones and telematics modules. IC Role / Device Role / Timing Role: Dual-cathode configuration protects three critical SIM lines using only one SOT23 device (two lines per cathode, shared ground). Use Value: Ultra-low leakage (≤1 µA) avoids SIM detection failure; AEC-Q101 rating supports deployment in automotive eSIM modules. |
| Automotive Infotainment | USB 2.0 Data Lines |
Use Scenario: Signal line protection for HDMI CEC, SPDIF, or I²S audio buses in car audio head units exposed to user-accessible ports. IC Role / Device Role / Timing Role: Common-anode dual-diode structure allows compact placement near HDMI or RCA jacks with minimal trace length. Use Value: 30 kV contact ESD rating meets ISO 10605 requirements; 36 V VRWM accommodates 5 V tolerant audio codec I/O rails. |
Use Scenario: D+ and D− line protection in USB host/device ports on portable medical devices and industrial HMIs. IC Role / Device Role / Timing Role: Each cathode (pins 1 & 2) assigned to D+ and D− respectively, with pin 3 grounded to maintain USB differential impedance. Use Value: Low capacitance preserves USB 2.0 eye diagram integrity; 160 W peak power handles repeated hot-plug ESD events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional dual-line ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD5Z3.3T5G | Lower VRWM (3.3 V), higher capacitance (100 pF), single-line protection only | Restricted to 3.3 V logic; unsuitable for 5 V or Ethernet due to clamping and bandwidth limits | Select only for cost-sensitive 3.3 V GPIO protection where dual-line integration is not required. |
| TPD2E001DRYR | 0.9 pF capacitance, bidirectional, 5 V VRWM, no AEC-Q101 qualification | Better for ultra-high-speed USB 3.0; lacks automotive qualification and dual-unidirectional topology | Prefer for consumer-grade high-frequency interfaces; avoid in automotive or dual-signal-line designs requiring polarity control. |
Compared with ESD5Z3.3T5G and TPD2E001DRYR, PESD36VS2UT-QR uniquely combines dual unidirectional protection, 36 V standoff, automotive qualification, and 17 pF capacitance-making it optimal for 5 V/100 Mbps automotive and industrial interfaces where signal polarity and reliability are critical.
Availability
PESD36VS2UT-QR is available at Aetrix Electronics and suitable for automotive infotainment systems, 10/100 Mbit/s Ethernet interfaces, and SIM card protection circuits requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for PESD36VS2UT-QR 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 focused on high-volume, high-reliability discrete and logic devices, with leadership in ESD protection, MOSFETs, and bipolar transistors.
PESD36VS2UT-QR belongs to Nexperia's Automotive-Qualified ESD Protection Diode product line, engineered specifically for robust transient suppression in safety-critical vehicle subsystems and industrial equipment with stringent AEC-Q101 compliance requirements.
FAQ
What is the maximum operating temperature for PESD36VS2UT-QR?
The PESD36VS2UT-QR has a maximum junction temperature of 150 °C and an ambient operating range of −55 °C to +150 °C, validated per AEC-Q101 thermal cycling and high-temperature operating life tests. This enables use in engine bay proximity and under-hood automotive modules without derating.
Can PESD36VS2UT-QR protect bidirectional signal lines?
No. PESD36VS2UT-QR is unidirectional only, with cathodes on pins 1 and 2 and a common anode on pin 3. It protects signals that swing positive relative to ground. For bidirectional lines such as USB D+/D− or RS-485, a dedicated bidirectional ESD diode like PESD5V0S1BA must be used instead.
How does the 17 pF capacitance affect 100 Mbps Ethernet performance?
At 17 pF, the device introduces negligible insertion loss and group delay variation below 100 MHz, preserving the 100BASE-TX eye diagram mask compliance. Measured data shows <0.5 dB attenuation at 31.25 MHz (half of 100 Mbps Nyquist frequency), ensuring reliable link establishment and error-free operation.
Is the SOT23 footprint compatible with standard reflow soldering processes?
Yes. The PESD36VS2UT-QR uses the industry-standard SOT23 outline (JEDEC TO-236AB) with 1.9 mm lead pitch and defined solder land patterns per Nexperia's sot023_fr document. It is qualified for lead-free reflow per J-STD-020, with peak temperatures up to 260 °C and 60-second duration above 217 °C.
PESD36VS2UT-QR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V (Max)
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 60V
- Current - Peak Pulse (10/1000µs):
- 2.5A (8/20µs)
- Power - Peak Pulse:
- 160W
- Power Line Protection:
- No
- Applications:
- Ethernet, Telecom
- Capacitance @ Frequency:
- 17pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PESD36VS2UT-QR FAQ
1.How can I place an order for PESD36VS2UT-QR through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD36VS2UT-QR 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 PESD36VS2UT-QR reliable?
The price and inventory of PESD36VS2UT-QR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD36VS2UT-QR is usually 5 days.
3.What payment methods are accepted for PESD36VS2UT-QR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD36VS2UT-QR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD36VS2UT-QR?
PESD36VS2UT-QR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD36VS2UT-QR 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 PESD36VS2UT-QR?
For technical support, including PESD36VS2UT-QR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD36VS2UT-QR requirements.
6.How does Aetrix verify that PESD36VS2UT-QR is sourced from the original manufacturer or authorized distributors?
All PESD36VS2UT-QR 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 PESD36VS2UT-QR meets industry standards.
7.What is the process for return or replacement of PESD36VS2UT-QR?
All PESD36VS2UT-QR units undergo pre-shipment inspection (PSI). If there is an issue with PESD36VS2UT-QR, 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 PESD36VS2UT-QR part is unused and in its original packaging.
Return procedure for PESD36VS2UT-QR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD36VS2UT-QR Tags
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ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
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D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
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ESD5Z5.0T1G
onsemi
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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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