My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SM6T200A-M3/5B
;;2.jpg)
- Part No.:
- SM6T200A-M3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SM6T200A-M3/5B.pdf
- Description:
- TVS DIODE 171VWM 274VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,203
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SM6T200A-M3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 171 V stand-off voltage (VWM), 190–210 V breakdown voltage (VBR at 1.0 mA), 274 V maximum clamping voltage (VC) at 2.2 A peak pulse current, 600 W peak pulse power (10/1000 μs), and SMB (DO-214AA) surface-mount package - deployed to protect MOSFETs and sensor interfaces in automotive power systems.
For engineers reviewing the SM6T200A-M3/5B datasheet, SM6T200A-M3/5B pinout, SM6T200A-M3/5B application, or SM6T200A-M3/5B equivalent, key selection criteria include verified clamping performance under 10/1000 μs transients, unidirectional polarity with cathode band marking, halogen-free RoHS compliance (M3 suffix), and thermal resistance (RθJA = 100 °C/W) for PCB-level thermal design.
Technical Context
The SM6T200A-M3/5B operates as a unidirectional avalanche diode with glass-passivated junction, delivering precise voltage clamping during fast-rising ESD or inductive-switching transients. Its 171 V stand-off rating ensures stable blocking below system operating voltage, while 274 V clamping at 2.2 A (10/1000 μs) limits stress on downstream ICs.
Designed for surface-mount assembly on 5.0 mm × 5.0 mm copper pads, it achieves 600 W peak pulse power dissipation with low inductance and meets J-STD-020 MSL Level 1 (260 °C reflow peak). The device is halogen-free and RoHS-compliant (M3 suffix), but not AEC-Q101 qualified - that requires HM3 or HE3 suffix variants.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 171 V - Maximum continuous reverse voltage before leakage exceeds 1 μA; sets safe operating margin below system rail. |
| VBR (min/max) | 190 V / 210 V at 1.0 mA - Confirmed avalanche onset range; ensures predictable turn-on during overvoltage events. |
| VC @ IPPM | 274 V at 2.2 A (10/1000 μs) - Clamped voltage seen by protected circuit; determines residual stress on downstream components. |
| PPPM | 600 W - Peak transient energy handling capacity; defines survivability against standardized lightning/surge waveforms. |
| RθJA | 100 °C/W - Junction-to-ambient thermal resistance; used to calculate temperature rise under sustained 5.0 W power dissipation. |
| Package | SMB (DO-214AA) - Standardized 2-pin SMD outline with 0.220" body length; enables automated placement and IPC-compliant layout. |
| Polarity | Unidirectional - Cathode denoted by band; blocks reverse current until breakdown, then clamps positive transients to ground. |
Pinout & Package
SMB (DO-214AA) package: molded plastic case with matte tin-plated leads, 0.220" × 0.155" body, 0.086" cathode band width, compliant with UL 94 V-0. Mounting requires minimum 5.0 mm × 5.0 mm copper pad per terminal per datasheet Fig. 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path | Connected to protected line (e.g., 24 V rail); conducts during positive transients when cathode is grounded. |
| Cathode | Clamping reference node | Marked with band; tied to system ground or low-impedance return to enable controlled avalanche clamping. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Validated surge handling for ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 3/4 in automotive power nets. |
| Glass passivated chip junction | Ensures long-term reliability and stable VBR drift < ±5 % over 1000 hrs at TJ = 125 °C. |
| Low inductance construction | Minimizes voltage overshoot during fast transients (< 1 ns rise time), critical for protecting high-speed sensors. |
| Halogen-free & RoHS-compliant (M3) | Fulfills EU Directive 2011/65/EU and JEDEC J-STD-20D MSL Level 1 reflow compatibility up to 260 °C. |
| 150 °C max junction temperature | Supports operation in under-hood automotive environments and industrial power supplies with ambient up to +125 °C. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Suppresses load-dump transients (up to 60 V, 100 ms) and inductive switching spikes on 24 V battery-fed ECUs. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp overvoltage before reaching DC-DC converters or microcontrollers. Use Value: Limits peak voltage to ≤274 V during 2.2 A transients, preventing latch-up or gate oxide damage in downstream SiC MOSFET drivers. |
Use Scenario: Shields analog front-end inputs of pressure/temperature sensors in factory automation PLCs from field-wiring ESD and relay coil kickback. IC Role / Device Role / Timing Role: Standoff-clamp TVS on sensor supply line (VS) and output line (VOUT), referenced to local ground plane. Use Value: Maintains 171 V stand-off while clamping 1 kV ESD (IEC 61000-4-2) to <300 V, preserving ADC input integrity without signal distortion. |
| Telecom DC Power Feeds | Consumer Appliance Motor Control |
Use Scenario: Protects PoE-powered remote radio units from induced surges on 48 V DC feed lines due to nearby lightning strikes. IC Role / Device Role / Timing Role: Primary clamping device on input stage of DC-DC converter, coordinated with upstream fuse and common-mode choke. Use Value: Absorbs 600 W transient energy within 1 ms, enabling compliance with GR-1089-CORE Section 4.5.2.2 surge immunity requirements. |
Use Scenario: Guards BLDC motor driver ICs in washing machine control boards against back-EMF spikes during commutation. IC Role / Device Role / Timing Role: Unidirectional TVS across high-side FET drain-source, with cathode tied to 310 V DC bus ground reference. Use Value: Clamps 400 V transients to 274 V within 100 ns, reducing dv/dt stress on gate drivers and extending MOSFET lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ200A-E3/5B | Same VWM (171 V), VBR (190–210 V), and VC (274 V), but lower PPPM = 400 W; SMA package (smaller footprint, higher RθJA = 140 °C/W). | Less suitable for high-energy automotive load dump; preferred where board space is constrained and surge levels are ≤400 W. | Select SMAJ200A-E3/5B only if peak transient energy is confirmed ≤400 W and thermal margin allows higher junction temperature rise. |
| SMCJ200A-M3/5B | Identical electrical specs (VWM, VBR, VC, PPPM), but larger SMC (DO-214AB) package with RθJA = 60 °C/W and 100 A IFSM. | Better thermal performance and surge current handling; used where board layout permits larger footprint and higher reliability is mandated. | Choose SMCJ200A-M3/5B when operating ambient exceeds 105 °C or when long-term reliability under repeated transients is critical. |
Compared with SMAJ200A-E3/5B, SM6T200A-M3/5B delivers 50 % higher surge power (600 W vs. 400 W) in the same SMB footprint; versus SMCJ200A-M3/5B, it trades thermal margin and surge endurance for compactness - making SM6T200A-M3/5B optimal for space-constrained 24 V/48 V systems needing certified 600 W clamping.
Availability
SM6T200A-M3/5B is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and telecom DC feed surge suppression requiring stable component supply, halogen-free compliance, and SMB-form-factor consistency.
Supply support for SM6T200A-M3/5B 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 General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, and protection devices with emphasis on reliability, precision, and automotive-grade qualification.
The SM6T Series targets cost-sensitive yet robust transient suppression in commercial and industrial power systems, balancing high pulse power, standardized SMB packaging, and halogen-free compliance without AEC-Q101 overhead.
FAQ
What is the maximum clamping voltage of the SM6T200A-M3/5B under standard test conditions?
The SM6T200A-M3/5B has a maximum clamping voltage (VC) of 274 V when subjected to a 10/1000 μs waveform at IPPM = 2.2 A, as specified in the Vishay SM6T datasheet revision 09-Jan-2024. This value is measured with the device mounted on 5.0 mm × 5.0 mm copper pads and represents the peak voltage seen by protected circuitry during transient events. The SM6T200A-M3/5B maintains this clamping performance across its full operating temperature range.
Is the SM6T200A-M3/5B AEC-Q101 qualified?
No, the SM6T200A-M3/5B is not AEC-Q101 qualified. It carries the M3 suffix, indicating halogen-free and RoHS-compliant commercial-grade construction. For AEC-Q101 qualification, Vishay offers variants with HM3 or HE3 suffixes (e.g., SM6T200AHM3_B/I). The SM6T200A-M3/5B is intended for industrial and consumer applications where automotive qualification is not required.
What does the "M3" suffix indicate in SM6T200A-M3/5B?
The "M3" suffix in SM6T200A-M3/5B denotes halogen-free, RoHS-compliant construction meeting JEDEC J-STD-20D MSL Level 1 and JESD 201 Class 2 whisker resistance. It distinguishes the part from E3 (RoHS-compliant only) and HM3/HE3 (AEC-Q101 qualified) variants. The SM6T200A-M3/5B uses matte tin-plated leads solderable per J-STD-002 and JESD 22-B102 standards.
Can SM6T200A-M3/5B be used in bidirectional configurations?
No, SM6T200A-M3/5B is strictly unidirectional. Bidirectional variants require the "CA" suffix (e.g., SM6T200CA-M3/5B). The SM6T200A-M3/5B features a cathode band marking and is designed to clamp positive transients to ground; applying reverse voltage beyond VWM risks permanent damage. Always verify polarity alignment in PCB layout for the SM6T200A-M3/5B.
What is the thermal resistance of SM6T200A-M3/5B, and how does it affect layout?
The SM6T200A-M3/5B has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This value assumes no internal layer copper or thermal vias. To maintain TJ ≤ 150 °C under 5.0 W steady-state dissipation, PCB layout must provide ≥5.0 mm² copper area per pad and avoid narrow traces. The SM6T200A-M3/5B thermal performance is optimized for standard SMB land patterns defined in Vishay's DO-214AA outline drawing.
SM6T200A-M3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- SM6T, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 171V
- Voltage - Breakdown (Min):
- 190V
- Voltage - Clamping (Max) @ Ipp:
- 274V
- Current - Peak Pulse (10/1000µs):
- 2.2A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SM6T200A-M3/5B FAQ
1.How can I place an order for SM6T200A-M3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SM6T200A-M3/5B 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 SM6T200A-M3/5B reliable?
The price and inventory of SM6T200A-M3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SM6T200A-M3/5B is usually 5 days.
3.What payment methods are accepted for SM6T200A-M3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM6T200A-M3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM6T200A-M3/5B?
SM6T200A-M3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM6T200A-M3/5B 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 SM6T200A-M3/5B?
For technical support, including SM6T200A-M3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM6T200A-M3/5B requirements.
6.How does Aetrix verify that SM6T200A-M3/5B is sourced from the original manufacturer or authorized distributors?
All SM6T200A-M3/5B 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 SM6T200A-M3/5B meets industry standards.
7.What is the process for return or replacement of SM6T200A-M3/5B?
All SM6T200A-M3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SM6T200A-M3/5B, 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 SM6T200A-M3/5B part is unused and in its original packaging.
Return procedure for SM6T200A-M3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SM6T200A-M3/5B 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 …
