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Vishay General Semiconductor - Diodes Division P6SMB180AHM3_B/H
- Part No.:
- P6SMB180AHM3_B/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB180AHM3_B/H.pdf
- Description:
- 600W,180V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:9,941
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Product details
Overview
P6SMB180AHM3_B/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 180 V standoff voltage (VWM), 246 V clamping voltage (VC) at 2.4 A peak pulse current (IPPM), and 600 W peak pulse power (10/1000 μs waveform). It protects MOSFETs, ICs, and sensor signal lines against inductive switching transients and lightning surges in industrial and automotive electronics.
For engineers reviewing the P6SMB180AHM3_B/H datasheet, P6SMB180AHM3_B/H pinout, P6SMB180AHM3_B/H application, or P6SMB180AHM3_B/H equivalent, this device delivers AEC-Q101 qualification, low incremental surge resistance, fast response time, and MSL Level 1 moisture sensitivity - critical for high-reliability automotive power rail and interface protection designs.
Technical Context
The P6SMB180AHM3_B/H operates as a unidirectional avalanche-clamping TVS diode with glass-passivated junction, designed to shunt transient energy above its breakdown threshold (VBR = 171–189 V at IT = 1 mA) while maintaining low leakage (<1.0 μA at VWM = 154 V). Its thermal resistance (RθJA = 100 °C/W) and junction temperature limit (TJ = –65 to +150 °C) support operation on standard PCB copper pads without heatsinking.
It complies with J-STD-020 MSL Level 1 (peak reflow ≤260 °C), meets JESD201 Class 2 whisker resistance, and uses matte tin-plated leads solderable per J-STD-002 and JESD22-B102. The "HM3" suffix denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification; "_B/H" indicates 7″ tape-and-reel packaging (750 units).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 154 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC/AC working margin. |
| VBR (Breakdown Voltage) | 171–189 V at 1 mA - Confirmed avalanche onset range; ensures predictable turn-on during transients. |
| VC (Clamping Voltage) | 246 V at IPPM = 2.4 A - Peak voltage seen by protected circuit under 600 W 10/1000 μs surge; determines stress on downstream components. |
| PPPM (Peak Pulse Power) | 600 W - Sustained surge energy handling capability per standardized waveform; enables robust ESD/lightning immunity. |
| IFSM (Surge Current) | 100 A (8.3 ms half-sine) - Unidirectional surge rating; supports protection against high-energy inductive kickback events. |
| TJ max. | +150 °C - Maximum junction temperature; allows operation in under-hood automotive and industrial ambient environments. |
| Package | SMB (DO-214AA) - Surface-mount outline with 0.220″ × 0.205″ footprint; compatible with automated placement and reflow processes. |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case meeting UL 94 V-0 flammability rating; cathode indicated by band on body; matte tin-plated terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal (reverse-biased operation) | Connected to protected line; conducts only during transient overvoltage when cathode is held at higher potential. |
| Cathode | Current exit terminal (reverse-biased operation) | Typically tied to ground or lower-potential rail; establishes clamping reference and defines unidirectional polarity. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and mechanical shock - suitable for engine control and ADAS power rails. |
| 600 W peak pulse power (10/1000 μs) | Withstands high-energy transients common in 12 V/24 V vehicle systems and industrial motor drives without degradation. |
| Low clamping ratio (VC/VBR ≈ 1.37) | Minimizes overvoltage stress on protected ICs - e.g., keeps microcontroller I/O pins below absolute maximum ratings during surge events. |
| MSL Level 1, 260 °C peak reflow | Enables single-pass lead-free reflow assembly without moisture-induced popcorn failure or delamination. |
| Halogen-free & RoHS-compliant (HM3) | Meets global environmental compliance requirements for automotive and industrial OEM supply chains. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-supplied ECUs from load-dump and alternator ripple transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp positive-going surges above 154 V. Use Value: Limits voltage seen by downstream LDOs and MCUs to ≤246 V, preventing latch-up or oxide breakdown in automotive-grade silicon. |
Use Scenario: Shielding analog output lines of pressure/temperature sensors from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS connected across signal and ground to absorb sub-100 ns ESD pulses without distorting millivolt-level signals. Use Value: Maintains signal integrity with <1.0 μA leakage at 154 V, avoiding DC offset errors in precision sensor conditioning circuits. |
| Telecom Line Card Surge Suppression | MOSFET Gate Driver Protection |
Use Scenario: Safeguarding Ethernet PHY power inputs and bias rails against lightning-induced surges on outdoor telecom equipment. IC Role / Device Role / Timing Role: Primary clamping device on 3.3 V/5 V auxiliary rails, coordinated with secondary GDT or MOV stages. Use Value: Delivers 600 W pulse handling with 246 V clamping - sufficient to meet ITU-T K.21 basic protection level for class B equipment. |
Use Scenario: Preventing gate oxide damage in high-side N-channel MOSFET drivers exposed to inductive flyback during PWM switching. IC Role / Device Role / Timing Role: Fast-response TVS placed between gate and source to clamp negative VGS spikes exceeding ±20 V. Use Value: Responds in <1 ps to suppress transients before gate driver ICs reach destructive thresholds - critical for 100 kHz+ motor control inverters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ180A-E3/52 | Same VWM (154 V), identical SMB package, but non-AEC-Q101, commercial-grade (E3), no halogen-free certification. | Lacks automotive qualification and whisker resistance testing; limited to consumer/industrial use where AEC-Q101 is not mandated. | Select when cost sensitivity outweighs automotive reliability requirements and halogen-free compliance is optional. |
| 1.5SMC180AHE3_A/H | Higher power rating (1500 W), larger SMC (DO-214AB) package, same VWM/VC, AEC-Q101 qualified (HE3). | Requires larger PCB area (0.285″ × 0.235″ vs. 0.220″ × 0.205″); suited for systems needing higher surge margin without layout redesign. | Choose when system-level surge testing exceeds IEC 61000-4-5 Level 4 and board space permits SMC footprint. |
Compared with SMAJ180A-E3/52 and 1.5SMC180AHE3_A/H, the P6SMB180AHM3_B/H uniquely balances AEC-Q101 compliance, halogen-free construction, and compact SMB footprint - making it optimal for space-constrained automotive modules requiring full PPAP traceability and zero-halogen sourcing.
Availability
P6SMB180AHM3_B/H is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interfaces, telecom line cards, and MOSFET gate driver protection requiring stable component supply and long-term lifecycle continuity.
Supply support for P6SMB180AHM3_B/H 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, TVS devices, and optoelectronics with emphasis on reliability, efficiency, and application-specific performance.
The P6SMB Series targets high-energy transient suppression in automotive, industrial, and telecom systems - engineered for rapid clamping, low leakage, and robust reflow survivability in automated manufacturing.
FAQ
What is the clamping voltage of the P6SMB180AHM3_B/H at its rated peak pulse current?
The P6SMB180AHM3_B/H has a maximum clamping voltage (VC) of 246 V at 2.4 A peak pulse current (IPPM) under the standard 10/1000 μs waveform. This value is measured per Figure 1 in Vishay Document 88370 and defines the upper voltage limit imposed on protected circuitry during surge events. The P6SMB180AHM3_B/H maintains this clamping performance across its specified operating temperature range.
Is the P6SMB180AHM3_B/H suitable for automotive applications?
Yes, the P6SMB180AHM3_B/H is AEC-Q101 qualified, as confirmed by the "HM3" and "_B" suffixes in its ordering code. It undergoes stress testing for temperature cycling, high-temperature reverse bias, and mechanical shock per automotive standards. The P6SMB180AHM3_B/H is explicitly recommended for engine control units, body electronics, and ADAS power rail protection where reliability under harsh conditions is mandatory.
What does the "HM3_B/H" suffix indicate in P6SMB180AHM3_B/H?
The "HM3" suffix denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification; "_B" specifies AEC-Q101 qualification grade; "/H" indicates packaging in 7″ diameter plastic tape-and-reel containing 750 units. This full suffix confirms the P6SMB180AHM3_B/H meets automotive environmental and packaging requirements - distinct from commercial variants like E3 or M3 without _B.
How does the P6SMB180AHM3_B/H compare to bidirectional TVS diodes in the same series?
The P6SMB180AHM3_B/H is unidirectional, meaning it clamps only positive transients relative to its cathode - ideal for DC power rail protection. Bidirectional variants (e.g., P6SMB180CA) have symmetric clamping in both directions and are used for AC lines or data buses. The P6SMB180AHM3_B/H offers lower leakage and tighter VBR tolerance than bidirectional equivalents, optimizing DC system protection efficiency.
What is the maximum operating junction temperature for the P6SMB180AHM3_B/H?
The P6SMB180AHM3_B/H has a maximum operating junction temperature (TJ) of +150 °C, as specified in the Absolute Maximum Ratings table of Vishay Document 88370. This rating enables reliable operation in under-hood automotive environments and industrial enclosures with elevated ambient temperatures. Derating curves in Figure 2 confirm usable power dissipation down to TJ = 150 °C for the P6SMB180AHM3_B/H.
P6SMB180AHM3_B/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 154V
- Voltage - Breakdown (Min):
- 171V
- Voltage - Clamping (Max) @ Ipp:
- 246V
- Current - Peak Pulse (10/1000µs):
- 2.4A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB180AHM3_B/H FAQ
1.How can I place an order for P6SMB180AHM3_B/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB180AHM3_B/H 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 P6SMB180AHM3_B/H reliable?
The price and inventory of P6SMB180AHM3_B/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB180AHM3_B/H is usually 5 days.
3.What payment methods are accepted for P6SMB180AHM3_B/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB180AHM3_B/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB180AHM3_B/H?
P6SMB180AHM3_B/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB180AHM3_B/H 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 P6SMB180AHM3_B/H?
For technical support, including P6SMB180AHM3_B/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB180AHM3_B/H requirements.
6.How does Aetrix verify that P6SMB180AHM3_B/H is sourced from the original manufacturer or authorized distributors?
All P6SMB180AHM3_B/H 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 P6SMB180AHM3_B/H meets industry standards.
7.What is the process for return or replacement of P6SMB180AHM3_B/H?
All P6SMB180AHM3_B/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB180AHM3_B/H, 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 P6SMB180AHM3_B/H part is unused and in its original packaging.
Return procedure for P6SMB180AHM3_B/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB180AHM3_B/H Tags
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