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Vishay General Semiconductor - Diodes Division VTVS63ASMF-M3-08
- Part No.:
- VTVS63ASMF-M3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
VTVS63ASMF-M3-08.pdf
- Description:
- TVS DIODE 63VWM 108VC DO219AB
- Quantity:
- Payment:
- Shipping:
Inventory:25,520
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Product details
Overview
VTVS63ASMF-M3-08 from Vishay Semiconductors is a unidirectional 400 W TransZorb® transient voltage suppressor diode in SMF (DO-219AB) package, designed for primary overvoltage protection of 63 V DC power rails and I/O lines. It delivers 108 A peak pulse current (10/1000 μs), clamps to ≤108 V at rated current, exhibits ±5 % VBR tolerance, and supports ESD immunity per IEC 61000-4-2 (±30 kV contact/air).
For engineers reviewing the VTVS63ASMF-M3-08 datasheet, VTVS63ASMF-M3-08 pinout, VTVS63ASMF-M3-08 application, or VTVS63ASMF-M3-08 equivalent, this device serves as a low-profile, AEC-Q101-capable TVS for automotive power supply rail protection, industrial sensor interface surge suppression, and high-reliability DC input stage clamping where precise 63 V standoff and fast sub-nanosecond response are required.
Technical Context
This unidirectional TVS operates with a reverse standoff voltage (VRWM) of 63.0 V, a minimum breakdown voltage (VBR) of 70.8 V at 1 mA, and a maximum clamping voltage (VC) of 108 V at 3.54 A (10/1000 μs). Its thermal resistance (RthJL) is 20 K/W when mounted on an infinite heat sink, enabling robust power dissipation during transients.
The device uses "Low-Noise" technology for ultrafast response, achieves ±30 kV ESD protection per IEC 61000-4-2, and is halogen-free, RoHS-compliant, and qualified to AEC-Q101 - confirming suitability for automotive under-hood and infotainment power line protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 63.0 V - Maximum continuous reverse operating voltage before avalanche conduction begins; sets safe DC rail margin for 63 V systems. |
| VBR (min/max) | 70.8 V / 78.2 V at IT = 1 mA - Tight ±5 % tolerance ensures predictable turn-on across temperature and production lots. |
| IPPM | 3.54 A (10/1000 μs) - Peak pulse current rating defining maximum transient energy absorption capability. |
| VC | ≤108 V at IPPM - Clamping voltage limits downstream component stress during surge events; critical for protecting 100 V-rated ICs. |
| PPPM | 400 W (10/1000 μs) - Peak pulse power rating determines survivability against standardized lightning/surge waveforms. |
| CD | 227 pF at VR = 0 V, f = 1 MHz - Junction capacitance impacts signal integrity in high-speed data lines; suitable for <10 Mbps interfaces. |
| TJ max. | +175 °C - Enables operation in under-hood automotive environments and high-ambient industrial enclosures. |
Pinout & Package
SMF (DO-219AB) low-profile surface-mount package: 3.9 mm × 1.9 mm × 1.08 mm body, cathode marked by bar, compatible with SOD-123W footprint and reflow/wave soldering per J-STD-020 MSL level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry during forward conduction; tied to protected circuit ground or low-side return path | Provides reference node for clamping; must be routed with low-inductance connection to minimize voltage overshoot during fast transients. |
| Cathode | Protected line connection; connected to power rail or signal line requiring surge suppression | Acts as the high-impedance input during normal operation; conducts avalanche current to anode when VR exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power (10/1000 μs) | Enables reliable suppression of IEC 61000-4-5 Level 4 surges (2 Ω source impedance) on 63 V DC bus lines without failure. |
| ±30 kV ESD immunity (IEC 61000-4-2) | Protects human-interface ports (e.g., CAN, LIN, sensor inputs) against direct electrostatic discharge without external shielding. |
| "Low-Noise" ultrafast response | Sub-nanosecond turn-on time prevents voltage overshoot beyond VC, preserving timing margins in sensitive analog or digital circuits. |
| AEC-Q101 qualification | Validates reliability for automotive applications including engine control modules, body electronics, and ADAS power supplies. |
| Halogen-free, RoHS-compliant | Meets global environmental compliance requirements for OEM automotive and industrial equipment manufacturing. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: 63 V battery-fed power distribution network in 48 V mild-hybrid vehicles, exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Primary clamping element placed at DC-DC converter input to limit transient voltage to ≤108 V. Use Value: Prevents damage to downstream buck controllers rated for 100 V absolute maximum, extending system lifetime under repeated surge stress. |
Use Scenario: Analog output line (4–20 mA) from pressure sensor in factory automation PLC module, subject to cable-induced surges. IC Role / Device Role / Timing Role: Unidirectional TVS shunting transients between signal line and local ground before signal conditioning amplifier. Use Value: Maintains signal fidelity below 100 kHz bandwidth while clamping >1 kV transients to safe levels (<12 V) at amplifier input. |
| Telecom DC Input Stage | OBD-II Diagnostic Port Protection |
|
Use Scenario: -48 V telecom rectifier output feeding base station backplane, vulnerable to lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Standoff-rated TVS on positive rail referenced to chassis ground, absorbing differential-mode energy. Use Value: Limits rail collapse during 400 W transients, ensuring uninterrupted operation of hot-swap controllers and PMBus supervisors. |
Use Scenario: OBD-II connector pins (pins 6/CAN-H, 14/CAN-L, 16/VBAT) in vehicle diagnostic tools exposed to accidental short-to-battery. IC Role / Device Role / Timing Role: Discrete TVS on VBAT line (63 V nominal) to clamp load-dump spikes before internal LDO regulators. Use Value: Eliminates need for redundant fuse + Zener stages, reducing BOM count while meeting ISO 16750-2 pulse 5a requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ64A-E3/57T | Same 64 V VRWM, but 400 W rating at 10/1000 μs; ±5 % VBR; SMA package (larger than SMF); RthJL = 35 K/W | Higher thermal resistance limits sustained surge duty cycle; less suitable for space-constrained automotive modules. | Select when legacy SMA footprint compatibility is required and board area permits larger package. |
| TPSMD64A | 64 V VRWM, 400 W, ±5 % VBR; DO-214AB (SMC) package; RthJL = 15 K/W; higher IPPM (4.2 A) | Superior thermal performance enables higher repetition rate surges; larger footprint may conflict with dense layouts. | Prefer for high-duty-cycle industrial power supplies where thermal headroom outweighs size constraints. |
Compared with SMAJ64A-E3/57T and TPSMD64A, VTVS63ASMF-M3-08 offers optimal balance of compact SMF footprint, AEC-Q101 qualification, and 20 K/W thermal resistance - making it the preferred choice for next-generation automotive ECUs and miniaturized industrial sensors where board space and automotive reliability are co-prioritized.
Availability
VTVS63ASMF-M3-08 is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface surge suppression, and telecom DC input stage clamping requiring stable component supply and long-term lifecycle support.
Supply support for VTVS63ASMF-M3-08 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, optoelectronics, and passive components for automotive, industrial, and computing markets.
The VTVS eSMP® Series targets high-density, high-reliability transient suppression in space-constrained applications - engineered specifically for AEC-Q101 compliance, low-profile mounting, and consistent clamping performance across temperature and surge repetition.
FAQ
What is the maximum clamping voltage of the VTVS63ASMF-M3-08 at its rated peak pulse current?
The VTVS63ASMF-M3-08 has a maximum reverse clamping voltage (VC) of 108 V when subjected to its rated peak pulse current of 3.54 A (10/1000 μs waveform). This value is guaranteed across temperature and production lots per Vishay's datasheet Rev. 2.2, ensuring predictable protection for downstream 100 V-rated components. The VTVS63ASMF-M3-08 maintains this clamping performance up to +175 °C junction temperature.
Is the VTVS63ASMF-M3-08 qualified for automotive applications?
Yes, the VTVS63ASMF-M3-08 is AEC-Q101 qualified, confirming its reliability for automotive use cases including engine control units, body electronics, and ADAS power supplies. It meets stringent stress-test requirements for temperature cycling, humidity bias, and mechanical shock. The VTVS63ASMF-M3-08 also complies with IEC 61000-4-2 (±30 kV ESD) and supports operation from -55 °C to +175 °C.
What package type does the VTVS63ASMF-M3-08 use, and is it compatible with standard SMT processes?
The VTVS63ASMF-M3-08 uses the SMF (DO-219AB) package - a low-profile, halogen-free surface-mount outline measuring 3.9 mm × 1.9 mm × 1.08 mm. It is fully compatible with standard reflow and wave soldering per J-STD-020 MSL level 1, with peak temperature support up to 260 °C. The VTVS63ASMF-M3-08 footprint aligns with SOD-123W and supports automated placement in high-volume manufacturing.
How does the ±5 % VBR tolerance of the VTVS63ASMF-M3-08 impact circuit design?
The ±5 % breakdown voltage tolerance (VBR = 70.8 V to 78.2 V at IT = 1 mA) ensures tight control over turn-on threshold, allowing designers to confidently set safety margins above the 63 V VRWM. This reduces risk of premature conduction during normal operation while guaranteeing clamping activation before damaging overvoltages occur. The VTVS63ASMF-M3-08 maintains this tolerance across its full operating temperature range.
What is the typical junction capacitance of the VTVS63ASMF-M3-08, and how does it affect high-speed signal lines?
The VTVS63ASMF-M3-08 has a typical junction capacitance (CD) of 227 pF measured at 0 V reverse bias and 1 MHz. While suitable for DC power rails and low-speed analog interfaces (e.g., 4–20 mA sensors), this capacitance limits use on high-speed digital lines (>10 Mbps) due to signal rise-time degradation. For CAN FD or USB, lower-capacitance alternatives should be considered - but the VTVS63ASMF-M3-08 remains ideal for robust 63 V rail protection where bandwidth is secondary to surge robustness.
VTVS63ASMF-M3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-219AB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 63V
- Voltage - Breakdown (Min):
- 70.8V
- Voltage - Clamping (Max) @ Ipp:
- 108V
- Current - Peak Pulse (10/1000µs):
- 3.54A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 227pF @ 1MHz
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AB (SMF)
VTVS63ASMF-M3-08 FAQ
1.How can I place an order for VTVS63ASMF-M3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VTVS63ASMF-M3-08 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 VTVS63ASMF-M3-08 reliable?
The price and inventory of VTVS63ASMF-M3-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VTVS63ASMF-M3-08 is usually 5 days.
3.What payment methods are accepted for VTVS63ASMF-M3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VTVS63ASMF-M3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VTVS63ASMF-M3-08?
VTVS63ASMF-M3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VTVS63ASMF-M3-08 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 VTVS63ASMF-M3-08?
For technical support, including VTVS63ASMF-M3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VTVS63ASMF-M3-08 requirements.
6.How does Aetrix verify that VTVS63ASMF-M3-08 is sourced from the original manufacturer or authorized distributors?
All VTVS63ASMF-M3-08 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 VTVS63ASMF-M3-08 meets industry standards.
7.What is the process for return or replacement of VTVS63ASMF-M3-08?
All VTVS63ASMF-M3-08 units undergo pre-shipment inspection (PSI). If there is an issue with VTVS63ASMF-M3-08, 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 VTVS63ASMF-M3-08 part is unused and in its original packaging.
Return procedure for VTVS63ASMF-M3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VTVS63ASMF-M3-08 Tags
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