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Vishay General Semiconductor - Diodes Division VCAN36C2-03G-E3-18
- Part No.:
- VCAN36C2-03G-E3-18
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
VCAN36C2-03G-E3-18.pdf
- Description:
- BIDIRECTIONAL DIODE 36V;IR=0.05U
- Quantity:
- Payment:
- Shipping:
Inventory:19,880
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Product details
Overview
VCAN36C2-03G-E3-18 from Vishay Semiconductors is a bidirectional symmetrical (BiSy) dual-line ESD protection diode in SOT-323 package, rated for ±36 V working voltage, <4.6 pF capacitance at 5 V, and ±27 kV IEC 61000-4-2 contact/air discharge immunity - deployed in CAN FD and FLEX-bus automotive communication interfaces.
For engineers reviewing the VCAN36C2-03G-E3-18 datasheet, VCAN36C2-03G-E3-18 pinout, VCAN36C2-03G-E3-18 application, or VCAN36C2-03G-E3-18 equivalent, key selection criteria include low-load capacitance for high-speed bus integrity, AEC-Q101 qualification for under-hood reliability, and dual-channel symmetric clamping for differential signal line protection.
Technical Context
This device implements two independent, matched, bidirectional TVS diodes in a single SOT-323 package - each path (pin 1–3 and pin 2–3) provides symmetrical clamping with typical breakdown at 42 V and clamping voltage ≤55 V at 1 A (8/20 μs). It supports CAN FD data rates up to 5 Mbps without signal distortion due to sub-4.6 pF load capacitance at VR = 5 V.
The VCAN36C2-03G-E3-18 operates across –55 °C to +175 °C junction temperature, meets AEC-Q101 stress testing (HBM >8 kV), and features e3 tin-plated terminations compatible with lead-free reflow per J-STD-020 MSL level 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Protection lines | 2 independent bidirectional channels - enables simultaneous protection of CAN_H and CAN_L lines |
| Reverse stand-off voltage | 36 V - ensures no conduction during normal CAN FD bus operation (±27 V peak) |
| Clamping voltage | ≤55 V at 1 A (8/20 μs) - limits transient overvoltage to safe levels for transceivers |
| Capacitance @ 5 V | ≤4.6 pF - preserves signal edge integrity for >5 Mbps CAN FD timing budgets |
| ESD immunity | ±27 kV contact/air (IEC 61000-4-2) - exceeds automotive OEM requirements for connector-level ESD |
| Leakage current | <0.05 μA at 36 V - prevents DC loading on bias-sensitive bus termination networks |
| Operating temp | –55 °C to +175 °C - qualified for engine control unit (ECU) and transmission control module environments |
Pinout & Package
SOT-323 package: 3-pin surface-mount plastic case (2.2 mm × 1.35 mm × 0.95 mm), moisture sensitivity level 1, peak reflow temperature 260 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode of Channel 1 | Connects to first protected line (e.g., CAN_H); forms bidirectional path with Pin 3 |
| Pin 2 | Anode of Channel 2 | Connects to second protected line (e.g., CAN_L); forms bidirectional path with Pin 3 |
| Pin 3 | Common cathode | Shared reference node tied to ground or chassis; enables compact dual-line layout |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional symmetrical clamping | Enables identical positive/negative transient suppression on both signal polarities - critical for differential bus protocols |
| Matched diode capacitance | ≤2% mismatch between channels (CD13 vs CD23) - maintains CAN differential skew <100 ps |
| AEC-Q101 qualification | Validated for automotive under-hood use including temperature cycling, HTRB, and ESD stress - supports PPAP documentation |
| e3 tin plating | RoHS-compliant, lead-free terminations with proven solderability and intermetallic stability in high-reliability reflow profiles |
| Low leakage | <0.05 μA at VRWM ensures minimal impact on bus biasing and failsafe monitoring circuits |
Applications
| Automotive CAN FD Node | Industrial FLEX-bus Interface |
|---|---|
Use Scenario: ECU-to-sensor communication in powertrain modules where ESD events occur at vehicle harness connectors. IC Role / Device Role / Timing Role: Dual-line transient voltage suppressor placed directly at CAN transceiver I/O pins. Use Value: Prevents latch-up or damage to ISO 11898-2 transceivers during ±27 kV contact discharge while maintaining <5 Mbps signal fidelity. | Use Scenario: Motor drive control network in factory automation systems exposed to relay switching noise and cable coupling. IC Role / Device Role / Timing Role: Bus-level ESD guard for FLEX-bus physical layer, mounted adjacent to connector entry point. Use Value: Limits clamping overshoot to ≤55 V during 1 A surge, protecting downstream PHY ICs without adding jitter or propagation delay. |
| On-Board Charger (OBC) CAN Gateway | ADAS Camera Link Protection |
Use Scenario: High-voltage EV charging system requiring CAN communication between OBC and battery management system (BMS). IC Role / Device Role / Timing Role: Secondary ESD barrier between connector and isolated CAN transceiver, operating at 175 °C junction temperature. Use Value: Sustains functionality after repeated 8/20 μs surges (1.8 A IPPM) without parameter drift - validated per AEC-Q101. | Use Scenario: 12 V camera module connected via short CAN-based diagnostic link in driver-monitoring systems. IC Role / Device Role / Timing Role: Low-capacitance ESD shunt on bidirectional diagnostic bus carrying firmware updates and status telemetry. Use Value: Adds <4.6 pF load per line - avoids violating rise/fall time specs for 1 Mbps diagnostic protocol timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-line ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SEMTECH RCLAMP0524P.TCT | Lower VRWM (5.5 V), higher capacitance (12 pF), not AEC-Q101 qualified | Targeted at consumer USB/USB-C ports, not automotive CAN buses | Select only for non-automotive, low-speed, cost-sensitive designs where 36 V standoff is unnecessary |
| ON SEMICONDUCTOR NUF2221MUTAG | Single-channel, 3.3 V VRWM, 0.5 pF capacitance, AEC-Q101 qualified | Designed for USB 2.0 and HDMI hot-plug ESD, lacks dual-line symmetry | Use when protecting individual low-voltage data lines - not suitable for differential CAN/FLEX-bus pairs |
Compared with RCLAMP0524P.TCT and NUF2221MUTAG, the VCAN36C2-03G-E3-18 uniquely delivers 36 V standoff, matched dual-channel symmetry, and automotive-grade thermal robustness - making it the only option qualified for CAN FD nodes in engine compartments or traction inverters.
Availability
VCAN36C2-03G-E3-18 is available at Aetrix Electronics and suitable for automotive ECU design, industrial FLEX-bus gateways, and EV on-board charger communication interfaces requiring stable component supply and long-term lifecycle assurance.
Supply support for VCAN36C2-03G-E3-18 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, optoelectronics, and passive components for automotive, industrial, and computing markets.
The VCAN series is engineered specifically for high-speed automotive serial buses - combining low capacitance, precise voltage matching, and AEC-Q101 stress validation to meet OEM requirements for CAN FD, LIN, and FLEX-bus interface protection.
FAQ
What is the maximum clamping voltage of the VCAN36C2-03G-E3-18 under IEC 61000-4-5 surge conditions?
The VCAN36C2-03G-E3-18 exhibits a maximum clamping voltage of 66 V when subjected to its peak pulse current of 1.8 A (8/20 μs waveform per IEC 61000-4-5). This value is measured pin-to-pin (e.g., pin 1 to pin 3) and ensures downstream CAN transceivers remain within absolute maximum ratings during lightning-induced or inductive-switching transients.
Is the VCAN36C2-03G-E3-18 qualified for automotive under-hood applications?
Yes, the VCAN36C2-03G-E3-18 is AEC-Q101 qualified and specified for junction temperatures from –55 °C to +175 °C. Its construction, molding compound (UL 94 V-0), and test validation cover thermal cycling, high-temperature reverse bias, and human-body-model ESD - making it suitable for engine control units, transmission controllers, and other under-hood CAN FD nodes.
How does the capacitance matching between channels affect CAN signal integrity in the VCAN36C2-03G-E3-18?
The VCAN36C2-03G-E3-18 guarantees ≤2% capacitance mismatch (dCD) between its two protection channels at VR = 5 V. This tight matching minimizes differential skew on CAN_H/CAN_L lines, preserving signal symmetry and preventing duty-cycle distortion - essential for reliable bit sampling at 5 Mbps CAN FD data rates.
Can the VCAN36C2-03G-E3-18 be used in FLEX-bus applications outside automotive systems?
Yes, the VCAN36C2-03G-E3-18 is explicitly designed for FLEX-bus applications per Vishay's datasheet features. Its ±36 V standoff, low leakage (<0.05 μA), and 120 W peak pulse power rating make it appropriate for industrial motor drives, robotics controllers, and factory automation nodes where FLEX-bus interfaces require robust ESD and surge resilience.
What is the packaging configuration for VCAN36C2-03G-E3-18?
The VCAN36C2-03G-E3-18 is supplied in 8 mm tape-and-reel format with 3,000 units per 7-inch reel (ordering code suffix -18). The SOT-323 package uses e3 tin plating, complies with RoHS, and has moisture sensitivity level 1 - enabling standard Pb-free reflow without baking.
VCAN36C2-03G-E3-18 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- SC-70, SOT-323
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 2
- Voltage - Reverse Standoff (Typ):
- 36V (Max)
- Voltage - Breakdown (Min):
- 39V
- Voltage - Clamping (Max) @ Ipp:
- 66V
- Current - Peak Pulse (10/1000µs):
- 1.8A (8/20µs)
- Power - Peak Pulse:
- 120W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 5.5pF @ 1MHz
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
VCAN36C2-03G-E3-18 FAQ
1.How can I place an order for VCAN36C2-03G-E3-18 through Aetrix?
Please submit a Request for Quotation (RFQ) for VCAN36C2-03G-E3-18 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 VCAN36C2-03G-E3-18 reliable?
The price and inventory of VCAN36C2-03G-E3-18 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VCAN36C2-03G-E3-18 is usually 5 days.
3.What payment methods are accepted for VCAN36C2-03G-E3-18?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VCAN36C2-03G-E3-18 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VCAN36C2-03G-E3-18?
VCAN36C2-03G-E3-18 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VCAN36C2-03G-E3-18 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 VCAN36C2-03G-E3-18?
For technical support, including VCAN36C2-03G-E3-18 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VCAN36C2-03G-E3-18 requirements.
6.How does Aetrix verify that VCAN36C2-03G-E3-18 is sourced from the original manufacturer or authorized distributors?
All VCAN36C2-03G-E3-18 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 VCAN36C2-03G-E3-18 meets industry standards.
7.What is the process for return or replacement of VCAN36C2-03G-E3-18?
All VCAN36C2-03G-E3-18 units undergo pre-shipment inspection (PSI). If there is an issue with VCAN36C2-03G-E3-18, 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 VCAN36C2-03G-E3-18 part is unused and in its original packaging.
Return procedure for VCAN36C2-03G-E3-18:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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