My Inquiry
My Account
Vishay SMF16A-HM3_A08
- Part No.:
- SMF16A-HM3_A08
- Manufacturer:
- Vishay
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
SMF16A-HM3_A08.pdf
- Description:
- ESD PROTECTION DIODE SMF DO219AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,385
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMF16A-HM3_A08 from Vishay Semiconductors is a unidirectional surface-mount ESD protection diode in the SMF (DO-219AB) package, designed for transient voltage suppression in high-speed data lines and power rails. It features a 16 V standoff voltage (VRWM), 17.8–19.7 V reverse breakdown (VBR), 7.7 A peak pulse current (IPPM), 26 V maximum clamping voltage (VC) at IPPM, and 343 pF typical capacitance at 0 V - optimized for USB 2.0, HDMI, and automotive infotainment interfaces.
For engineers reviewing the SMF16A-HM3_A08 datasheet, SMF16A-HM3_A08 pinout, SMF16A-HM3_A08 application, or SMF16A-HM3_A08 equivalent, this device is evaluated for IEC 61000-4-2 ±30 kV contact/air discharge, AEC-Q101 qualification, low-noise fast response, and compatibility with SOD-123W footprint layouts - critical for ESD-hardened consumer and automotive PCB designs.
Technical Context
This unidirectional TVS diode operates as a clamping device in parallel with protected signal or power lines, activating when transient voltage exceeds its reverse standoff threshold (16 V). Its low incremental surge resistance ensures rapid energy diversion during ESD events, while its DO-219AB package supports wave and reflow soldering per J-STD-020 MSL level 1.
The device delivers 200 W peak pulse power (10/1000 μs), 1000 W (8/20 μs), and maintains stable clamping performance across -65 °C to +175 °C operating temperature range - validated under AEC-Q101 stress conditions including HBM >8 kV.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Standoff Voltage (VRWM) | 16 V - maximum continuous reverse working voltage before clamping begins; sets minimum system operating margin for 12 V rail protection. |
| Breakdown Voltage (VBR) | 17.8–19.7 V at 1 mA - defines precise turn-on threshold for transient suppression; tight tolerance enables predictable protection timing. |
| Clamping Voltage (VC) | 26 V max at 7.7 A IPPM - limits peak voltage seen by downstream ICs during 10/1000 μs transients; critical for safeguarding 3.3 V or 5 V logic interfaces. |
| Capacitance (CD) | 343 pF at 0 V, 1 MHz - impacts high-frequency signal integrity; suitable for <100 Mbps interfaces but not USB 3.0 or PCIe Gen3. |
| ESD Rating | ±30 kV contact / ±30 kV air per IEC 61000-4-2 - exceeds industrial and automotive ESD immunity requirements without external filtering. |
| Package | DO-219AB (SOD-123W compatible) - 3.9 × 1.9 × 1.08 mm low-profile outline enabling dense layout on compact PCBs. |
| Thermal Resistance | 180 K/W (RthJA on 3 mm × 3 mm Cu pads) - determines junction temperature rise under repeated surges; informs derating for multi-pulse applications. |
Pinout & Package
SMF16A-HM3_A08 uses the DO-219AB (SMF) package: cathode-marked surface-mount case with two terminals. The package is compatible with SOD-123W footprint dimensions and supports automated placement and reflow soldering per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input/Line side terminal | Connected to protected line (e.g., USB D+); conducts during forward surge or bidirectional clamp configurations (not applicable here). |
| Cathode | Ground/reference terminal | Connected to system ground or low-impedance return path; carries full transient current during clamping; marked by bar on top surface. |
Key Features
| Feature | Design Value |
|---|---|
| 200 W peak pulse power (10/1000 μs) | Enables robust protection against repetitive ESD and lightning-induced surges in industrial control I/O modules. |
| ±30 kV IEC 61000-4-2 ESD immunity | Eliminates need for external ESD filters in handheld and dashboard-mounted automotive electronics. |
| AEC-Q101 qualified | Validated for automotive under-hood and cabin applications requiring extended temperature operation and reliability screening. |
| Low-noise fast response technology | Sub-nanosecond turn-on time minimizes voltage overshoot during ESD events, preserving signal fidelity on high-speed buses. |
| SOD-123W footprint compatibility | Allows drop-in replacement or design reuse with existing SOD-123W land patterns, reducing layout revision effort. |
Applications
| USB 2.0 Interface Protection | HDMI Signal Line Protection |
|---|---|
Use Scenario: Protecting USB 2.0 D+ and D- lines in portable media players and automotive head units from user-handling ESD. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed between data line and chassis ground to shunt ESD current away from USB transceiver IC. Use Value: 343 pF capacitance avoids signal degradation at 480 Mbps; 26 V clamping prevents damage to 3.3 V PHY inputs during ±30 kV contact discharge. |
Use Scenario: Safeguarding HDMI TMDS clock and data channels in set-top boxes and infotainment displays against cable-discharge events. IC Role / Device Role / Timing Role: Standoff-rated TVS diode installed per-channel to limit transient overvoltage without affecting 165 MHz pixel clock integrity. Use Value: 16 V VRWM aligns with HDMI common-mode voltage range; low clamping voltage preserves eye diagram margins under IEC 61000-4-2 stress. |
| Automotive Body Control Module | Industrial Sensor Interface |
Use Scenario: Protecting LIN bus and switch inputs in door module ECUs exposed to harsh vehicle environments. IC Role / Device Role / Timing Role: Transient suppressor on 12 V supply rail and digital input pins to absorb load-dump and ESD pulses per ISO 16750-2. Use Value: -65 °C to +175 °C operating range supports under-hood placement; AEC-Q101 qualification ensures long-term reliability in vibration-prone locations. |
Use Scenario: Shielding 4–20 mA analog sensor inputs in PLC I/O cards from field wiring ESD and inductive switching transients. IC Role / Device Role / Timing Role: Low-leakage (0.1 μA at 16 V) unidirectional TVS placed across input terminals to clamp surges before signal conditioning amplifier. Use Value: 0.1 μA reverse leakage prevents measurement offset errors; 26 V VC ensures op-amp input stays within safe absolute maximum ratings during 7.7 A transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A-E3/57T | DO-214AC (SMA) package; 1.5 mm taller; 19.7–21.8 V VBR; 27.7 V VC at 7.5 A | Higher clamping voltage and larger footprint reduce suitability for space-constrained USB/HDMI layouts | Select when legacy SMA footprint exists or higher thermal mass is needed for frequent surge exposure. |
| TPSMF16A | Same DO-219AB package; 16 V VRWM; 17.8–19.7 V VBR; 26 V VC; 343 pF - identical electrical specs but non-AEC-Q101 rated | Lacks automotive qualification; limited to commercial-grade consumer electronics | Choose for cost-sensitive non-automotive designs where AEC-Q101 is not mandated. |
Compared with SMAJ16A-E3/57T and TPSMF16A, SMF16A-HM3_A08 uniquely combines AEC-Q101 qualification, DO-219AB low-profile packaging, and precise 26 V clamping - making it optimal for next-generation automotive infotainment and compact industrial interface protection where reliability and board space are jointly constrained.
Availability
SMF16A-HM3_A08 is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial I/O modules, and consumer USB/HDMI interface protection requiring stable component supply and long-term lifecycle support.
Supply support for SMF16A-HM3_A08 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 SMF series targets high-speed ESD protection in space-constrained applications, with design focus on low capacitance, fast response, and AEC-Q101 compliance for automotive electronics and ruggedized industrial interfaces.
FAQ
What is the maximum clamping voltage of SMF16A-HM3_A08 at its rated peak pulse current?
The SMF16A-HM3_A08 has a maximum clamping voltage (VC) of 26 V when subjected to its rated peak pulse current of 7.7 A using a 10/1000 μs waveform. This value is specified in the Electrical Characteristics table of Vishay's Document Number 85881 and ensures downstream ICs remain within safe operating voltage limits during ESD events. The SMF16A-HM3_A08 achieves this clamping performance while maintaining low incremental surge resistance for effective transient energy diversion.
Is SMF16A-HM3_A08 qualified for automotive applications?
Yes, SMF16A-HM3_A08 is AEC-Q101 qualified, meaning it has passed stress tests for temperature cycling, humidity bias, mechanical shock, and ESD robustness required for automotive electronic components. Its -65 °C to +175 °C operating temperature range and ±30 kV IEC 61000-4-2 rating make it suitable for body control modules, infotainment systems, and other under-hood or cabin applications. The SMF16A-HM3_A08 meets these standards as confirmed in Vishay's Rev. 2.4 datasheet dated 04-Jul-2023.
What package type does SMF16A-HM3_A08 use, and is it compatible with standard SOD-123W footprints?
SMF16A-HM3_A08 uses the DO-219AB package (also branded as SMF), measuring 3.9 × 1.9 × 1.08 mm with cathode marking. Vishay explicitly states compatibility with SOD-123W, SOD-123F, and SOD-123FL case outlines - enabling direct use with existing SOD-123W land patterns. The SMF16A-HM3_A08's footprint recommendation (2.9 × 1.4 mm pad area) matches industry-standard SOD-123W layouts, supporting seamless integration into high-density PCB designs.
How does the capacitance of SMF16A-HM3_A08 affect high-speed signal integrity?
The SMF16A-HM3_A08 exhibits 343 pF typical capacitance at 0 V and 1 MHz, which introduces measurable loading on high-speed signals. This makes it appropriate for USB 2.0 (480 Mbps), HDMI 1.4, and CAN FD interfaces but unsuitable for USB 3.0 (>5 Gbps) or PCIe Gen3 where sub-1 pF is typically required. The SMF16A-HM3_A08's capacitance is stable across reverse bias voltages, minimizing distortion in analog sensor lines and ensuring predictable clamping behavior in mixed-signal applications.
What is the standoff voltage (VRWM) and why is it critical for selecting SMF16A-HM3_A08?
The standoff voltage (VRWM) of SMF16A-HM3_A08 is 16 V - the maximum continuous reverse voltage it can withstand without significant leakage current (<0.1 μA). This parameter ensures the diode remains non-conductive during normal operation while allowing precise margin above system rail voltages (e.g., 12 V automotive supplies). Selecting SMF16A-HM3_A08 with a 16 V VRWM prevents false triggering during voltage ripple or transients below the clamping threshold, preserving signal integrity and power efficiency in protected circuits.
SMF16A-HM3_A08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay
- Package/Case:
- DO-219AB
- Series:
- eSMP®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 7.7A
- Power - Peak Pulse:
- 200W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 343pF @ 1MHz
- Operating Temperature:
- -65°C ~ 175°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AB (SMF)
SMF16A-HM3_A08 FAQ
1.How can I place an order for SMF16A-HM3_A08 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMF16A-HM3_A08 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 SMF16A-HM3_A08 reliable?
The price and inventory of SMF16A-HM3_A08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMF16A-HM3_A08 is usually 5 days.
3.What payment methods are accepted for SMF16A-HM3_A08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMF16A-HM3_A08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMF16A-HM3_A08?
SMF16A-HM3_A08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMF16A-HM3_A08 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 SMF16A-HM3_A08?
For technical support, including SMF16A-HM3_A08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMF16A-HM3_A08 requirements.
6.How does Aetrix verify that SMF16A-HM3_A08 is sourced from the original manufacturer or authorized distributors?
All SMF16A-HM3_A08 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 SMF16A-HM3_A08 meets industry standards.
7.What is the process for return or replacement of SMF16A-HM3_A08?
All SMF16A-HM3_A08 units undergo pre-shipment inspection (PSI). If there is an issue with SMF16A-HM3_A08, 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 SMF16A-HM3_A08 part is unused and in its original packaging.
Return procedure for SMF16A-HM3_A08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMF16A-HM3_A08 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
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
