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Vishay General Semiconductor - Diodes Division GSOT36C-E3-08
- Part No.:
- GSOT36C-E3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
GSOT36C-E3-08.pdf
- Description:
- TVS DIODE 36VWM 71VC SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:25,910
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Product details
Overview
GSOT36C-E3-08 from Vishay Semiconductors is a two-line bidirectional asymmetrical ESD protection diode in SOT-23 package, rated for ±30 kV IEC 61000-4-2 contact/air discharge, 36 V reverse stand-off voltage (VRWM), and 3.5 A peak pulse current (IPPM). It protects high-speed data lines such as USB 2.0 or CAN FD interfaces against transient overvoltage events.
For engineers reviewing the GSOT36C-E3-08 datasheet, GSOT36C-E3-08 pinout, GSOT36C-E3-08 application, or GSOT36C-E3-08 equivalent, key selection criteria include clamping voltage at 3.5 A (≤71 V), low 26–33 pF capacitance at 0 V bias, AEC-Q101 qualification, SOT-23 footprint compatibility, and BiAs-mode dual-line protection capability.
Technical Context
The GSOT36C-E3-08 implements BiAs-MODE (Bidirectional Asymmetrical) protection: pins 1 and 2 connect to protected signal lines, pin 3 to ground, enabling independent clamping of positive transients (via reverse-biased diodes) and negative transients (via forward conduction). Its asymmetry yields lower forward clamping (~1.3 V at 3.5 A) versus reverse clamping (~59–71 V).
In BiSy-MODE (single-line symmetrical), pin 3 is left unconnected; pins 1 and 2 form a bipolar path with matched positive/negative clamping-enabling use on RS-485 or LIN bus lines where balanced protection is required. Both modes operate across –55 °C to +150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating | ±30 kV contact & air discharge per IEC 61000-4-2 - meets automotive and industrial immunity requirements without external filtering. |
| Reverse Stand-off Voltage (VRWM) | 36 V - supports 24 V nominal systems with margin; blocks normal operation voltages while triggering only during transients. |
| Peak Pulse Current (IPPM) | 3.5 A per line (8/20 μs waveform) - handles typical lightning-induced surges in industrial I/O and automotive sensor interfaces. |
| Clamping Voltage (VC) | ≤71 V at IPPM = 3.5 A - limits voltage seen by downstream ICs to safe levels under worst-case surge conditions. |
| Capacitance (CD) | 26–33 pF at 0 V, 1 MHz - low enough for USB 2.0 (480 Mbps) and CAN FD (5 Mbps) without signal integrity degradation. |
| AEC-Q101 Qualified | Qualified for automotive applications - validated for reliability under temperature cycling, humidity, and mechanical stress per AEC standard. |
| Package | SOT-23 (3-pin) - industry-standard footprint enabling drop-in replacement and automated assembly compatibility. |
Pinout & Package
SOT-23 package: 3-pin surface-mount, 2.8 mm × 2.6 mm × 1.15 mm body, e3 Sn plating, MSL Level 1, peak reflow ≤260 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Line 1 Anode / Cathode (BiAs) | Connects to first protected signal line (e.g., CAN_H); forms one half of dual-line ESD path to ground (pin 3). |
| Pin 2 | Line 2 Anode / Cathode (BiAs) | Connects to second protected signal line (e.g., CAN_L); symmetrically paired with pin 1 for differential protection. |
| Pin 3 | Ground Reference | Must be connected to system ground plane; serves as common return for both ESD current paths in BiAs mode. |
Key Features
| Feature | Design Value |
|---|---|
| Two-line BiAs protection | Enables simultaneous protection of differential pairs (e.g., USB D+/D−, CAN_H/CAN_L) with asymmetric clamping optimized for signal integrity. |
| Low clamping capacitance | 26–33 pF at 0 V enables use in 480 Mbps USB 2.0 and 5 Mbps CAN FD without measurable rise-time degradation. |
| High ESD immunity | ±30 kV IEC 61000-4-2 rating exceeds IEC 61000-6-2 industrial immunity requirement by 2×, reducing need for secondary protection. |
| AEC-Q101 qualification | Validated for automotive underhood and infotainment applications - includes HTOL, TC, UHAST, and mechanical shock testing. |
| Single-package BiSy option | Unconnecting pin 3 allows use as symmetrical 1-line protector (e.g., RS-485) with matched ±VC clamping behavior. |
Applications
| Automotive CAN FD Interface | Industrial USB 2.0 Port |
|---|---|
Use Scenario: Protecting CAN FD transceivers in vehicle ECUs against ESD events during connector mating/unmating and load dump coupling. IC Role / Device Role / Timing Role: Primary ESD clamp placed directly at connector entry point, shunting transients before reaching PHY layer. Use Value: Maintains <50 ns response time and ≤71 V clamping at 3.5 A, ensuring CAN FD bit timing integrity up to 5 Mbps under ISO 10605 stress. |
Use Scenario: Safeguarding USB 2.0 host/device ports in PLCs and HMIs against operator-induced ESD in factory environments. IC Role / Device Role / Timing Role: Front-end transient suppressor on D+ and D− lines, operating in BiAs mode with ground-referenced clamping. Use Value: 26–33 pF capacitance avoids signal distortion at 480 Mbps; ±30 kV rating eliminates field failures linked to human-body-model discharges. |
| RS-485 Data Line | Automotive LIN Bus Node |
Use Scenario: Protecting half-duplex RS-485 transceivers in building automation controllers exposed to cable-borne surges. IC Role / Device Role / Timing Role: Single-line BiSy-mode protector (pin 3 open), providing symmetrical ±VC clamping on A/B lines. Use Value: Matches RS-485 common-mode voltage range (–7 V to +12 V); 36.5 V VRWM ensures no leakage during idle state. |
Use Scenario: Securing LIN slave nodes (e.g., door modules, sensors) against ESD during service operations and harness routing. IC Role / Device Role / Timing Role: Dual-line BiAs protector on LIN bus and wake-up line, sharing single ground reference (pin 3). Use Value: Enables compact 3-pin layout for space-constrained modules; AEC-Q101 qualification guarantees lifetime reliability in automotive thermal cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VGSOT36C-E3-08 | Successor series; same SOT-23 package, identical VRWM (36 V), improved robustness to >3000x 8/20 μs surges per JEDEC JESD22-A114. | Drop-in replacement for new designs; not recommended for legacy production due to minor process variation in leakage (<0.5 μA vs. 1 μA). | Select for new automotive programs requiring extended surge endurance and full lifecycle support beyond January 2025. |
| SMF36A-T | Single-line unidirectional TVS; 36 V VRWM, 3.5 A IPPM, but lacks dual-line capability and BiAs/BiSy flexibility. | Requires two devices for differential protection; higher board area and parasitic inductance than integrated GSOT36C-E3-08. | Use only when cost sensitivity outweighs layout efficiency and when single-line protection suffices (e.g., power rail clamping). |
Compared with VGSOT36C-E3-08, the original GSOT36C-E3-08 offers identical electrical specs but shorter long-term availability (EOL Jan 2025); versus SMF36A-T, it delivers true differential protection in one device with lower system-level clamping voltage and reduced PCB footprint.
Availability
GSOT36C-E3-08 is available at Aetrix Electronics and suitable for automotive CAN FD interfaces, industrial USB 2.0 ports, RS-485 data links, and LIN bus nodes requiring stable component supply through end-of-life in January 2025.
Supply support for GSOT36C-E3-08 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
Vishay Semiconductors is a global leader in discrete semiconductors, specializing in high-reliability diodes, MOSFETs, and protection devices for automotive, industrial, and computing markets.
The GSOTxxC family was designed specifically for high-speed differential interface protection, combining low capacitance, AEC-Q101 qualification, and dual-mode (BiAs/BiSy) flexibility in standard SOT-23 packaging.
FAQ
What is the maximum operating temperature range for the GSOT36C-E3-08?
The GSOT36C-E3-08 supports a junction temperature range of –55 °C to +150 °C, making it suitable for under-hood automotive applications and industrial environments with wide ambient swings. This range is verified per AEC-Q101 thermal cycling and high-temperature operating life tests, and applies to both BiAs and BiSy configurations of the GSOT36C-E3-08.
Can the GSOT36C-E3-08 protect both differential and single-ended signals?
Yes - the GSOT36C-E3-08 supports two distinct protection modes: BiAs-MODE (pins 1 & 2 to signal lines, pin 3 to ground) for differential pairs like CAN FD or USB 2.0, and BiSy-MODE (pin 3 unconnected, pins 1 & 2 forming a bipolar path) for single-ended buses such as RS-485. Both modes are fully characterized in the GSOT36C-E3-08 datasheet.
What is the clamping voltage of the GSOT36C-E3-08 at its rated peak pulse current?
At IPPM = 3.5 A (8/20 μs waveform), the reverse clamping voltage (VC) of the GSOT36C-E3-08 is guaranteed ≤71 V, and the forward clamping voltage is ≤1.3 V. These values are measured between each signal pin (1 or 2) and ground (pin 3) in BiAs mode, and define the maximum voltage imposed on protected ICs during surge events.
Is the GSOT36C-E3-08 qualified to AEC-Q101 standards?
Yes, the GSOT36C-E3-08 is AEC-Q101 qualified, with test reports covering HTOL, temperature cycling, unbiased HAST, mechanical shock, and ESD (HBM/MM). This qualification confirms suitability for automotive applications including powertrain, body electronics, and ADAS subsystems where reliability under thermal and electrical stress is critical for the GSOT36C-E3-08.
What is the capacitance of the GSOT36C-E3-08 at 0 V bias and 1 MHz?
The typical capacitance of the GSOT36C-E3-08 is 26–33 pF at 0 V reverse bias and 1 MHz frequency, measured between either pin 1–3 or pin 2–3. This low value ensures minimal loading on high-speed data lines such as USB 2.0 (480 Mbps) and CAN FD (5 Mbps), preserving signal edge rates and eye diagram integrity in the GSOT36C-E3-08.
GSOT36C-E3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V (Max)
- Voltage - Breakdown (Min):
- 39V
- Voltage - Clamping (Max) @ Ipp:
- 71V
- Current - Peak Pulse (10/1000µs):
- 3.5A (8/20µs)
- Power - Peak Pulse:
- 248W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 52pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
GSOT36C-E3-08 FAQ
1.How can I place an order for GSOT36C-E3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for GSOT36C-E3-08 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 GSOT36C-E3-08 reliable?
The price and inventory of GSOT36C-E3-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GSOT36C-E3-08 is usually 5 days.
3.What payment methods are accepted for GSOT36C-E3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GSOT36C-E3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GSOT36C-E3-08?
GSOT36C-E3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GSOT36C-E3-08 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 GSOT36C-E3-08?
For technical support, including GSOT36C-E3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GSOT36C-E3-08 requirements.
6.How does Aetrix verify that GSOT36C-E3-08 is sourced from the original manufacturer or authorized distributors?
All GSOT36C-E3-08 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 GSOT36C-E3-08 meets industry standards.
7.What is the process for return or replacement of GSOT36C-E3-08?
All GSOT36C-E3-08 units undergo pre-shipment inspection (PSI). If there is an issue with GSOT36C-E3-08, 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 GSOT36C-E3-08 part is unused and in its original packaging.
Return procedure for GSOT36C-E3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
GSOT36C-E3-08 Tags
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