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Vishay General Semiconductor - Diodes Division P6SMB75CAHM3_A/H
- Part No.:
- P6SMB75CAHM3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB75CAHM3_A/H.pdf
- Description:
- TVS DIODE 64.1VWM 103VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,262
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Product details
Overview
P6SMB75CAHM3_A/H from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 75 V standoff voltage (VWM), 103 V maximum clamping voltage (VC) at 5.8 A peak pulse current (IPPM), and 600 W peak pulse power (10/1000 µs waveform). It protects signal lines and power rails in automotive sensor units, industrial I/O modules, and telecom interface circuits against ESD and inductive switching transients.
For engineers reviewing the P6SMB75CAHM3_A/H datasheet, P6SMB75CAHM3_A/H pinout, P6SMB75CAHM3_A/H application, or P6SMB75CAHM3_A/H equivalent, this device delivers AEC-Q101 qualification, halogen-free RoHS compliance, MSL Level 1 moisture sensitivity, and verified bidirectional clamping performance with <0.1 ns response time - critical for robust transient suppression in safety-critical embedded systems.
Technical Context
This TVS operates symmetrically in both directions, with breakdown voltage (VBR) specified at 71.3–78.8 V (min/max) under 1 mA test current, and exhibits low incremental surge resistance enabling tight clamping during fast transients. Its thermal resistance (RθJA) is 100 °C/W, and junction temperature range spans –65 °C to +150 °C.
The device uses glass-passivated silicon junction technology, supports automated SMT placement, and meets JESD201 Class 2 whisker resistance. Polarity is unmarked for bidirectional operation, and terminals are matte tin-plated per J-STD-002 solderability standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 64.1 V - Maximum continuous reverse working voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (Breakdown) | 71.3–78.8 V at 1 mA - Confirmed voltage threshold where device transitions from high-impedance to low-impedance clamping state. |
| VC (Clamping) | 103 V at 5.8 A (10/1000 µs) - Peak voltage seen by protected circuit during worst-case transient; determines downstream component stress. |
| PPPM | 600 W - Peak transient energy absorption capability; enables protection against lightning-induced surges and inductive kickback. |
| IPPM | 5.8 A - Maximum non-repetitive surge current the device sustains without degradation; derived from VC and PPPM. |
| TJ max. | +150 °C - Maximum junction temperature; supports operation in under-hood automotive and industrial ambient environments. |
| Package | SMB (DO-214AA) - Standardized 2-pin surface-mount outline with 5.59 mm × 4.06 mm footprint; compatible with IPC-7351B land patterns. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); cathode/anode terminals are symmetrical and interchangeable for bidirectional operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals serve as identical surge current entry/exit points; no DC polarity dependency - enables single-component protection of AC or differential signal lines. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing - suitable for engine control, ADAS sensor interfaces, and infotainment power rails. |
| Halogen-free & RoHS-compliant | Meets JEDEC J-STD-609A Class 1 halogen content limits and EU RoHS Directive 2011/65/EU - required for global OEM supply chain compliance. |
| MSL Level 1 (260 °C peak) | Zero floor life limitation; can be stored indefinitely at ≤30 °C/60% RH and reflowed using standard lead-free profiles without baking. |
| 600 W peak pulse rating (10/1000 µs) | Supports IEC 61000-4-5 Level 4 surge immunity (4 kV line-to-earth) when properly laid out with low-inductance PCB traces and grounding. |
| Glass-passivated junction | Enhances long-term stability and leakage current consistency across temperature and humidity - critical for low-power sensor front-ends. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting CAN FD and LIN bus transceivers from load-dump and ISO 7637-2 pulse 5a transients in vehicle body control modules. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector entry point to shunt surge energy before reaching transceiver IC. Use Value: Maintains signal integrity below 103 V clamping level while surviving 12 V system load-dump events up to 35 V sustained for 400 ms. |
Use Scenario: Safeguarding 24 V digital input channels on programmable logic controller (PLC) backplanes exposed to relay coil flyback and field wiring faults. IC Role / Device Role / Timing Role: Primary overvoltage clamp on each channel's input node, coordinated with series current-limiting resistor and optocoupler isolation. Use Value: Limits transient voltage to ≤103 V within <1 ns, preventing latch-up or permanent damage to microcontroller GPIO pins. |
| Telecom Line Interface Protection | Consumer Power Adapter ESD Guard |
|
Use Scenario: Shielding RS-485 transceivers in base station remote radio units from induced lightning surges on outdoor cabling. IC Role / Device Role / Timing Role: First-stage TVS on differential pair, paired with common-mode choke and secondary GDT for multi-level protection architecture. Use Value: Clamps common-mode surges to 103 V while preserving signal rise/fall times due to low junction capacitance (<100 pF at 0 V). |
Use Scenario: Adding secondary-level ESD protection on USB-C and barrel jack inputs of smart home power adapters after primary MOV stage. IC Role / Device Role / Timing Role: Fast-response secondary clamp absorbing residual 8 kV contact discharge energy that bypasses bulk MOV filtering. Use Value: Prevents gate oxide rupture in onboard buck controller MOSFETs by limiting transient overshoot to ≤103 V with sub-nanosecond response. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ75CA | Same VWM (64.1 V), identical SMB package, but rated for 600 W with 10/1000 µs waveform and slightly higher VC (105 V at 5.7 A); not AEC-Q101 qualified. | Lacks automotive qualification; suitable for commercial/industrial use only - not approved for under-hood or safety-critical ECUs. | Select SMBJ75CA only for cost-sensitive non-automotive designs where AEC-Q101 is not mandated. |
| 1.5SMC75CA | Higher power rating (1500 W), larger SMC (DO-214AB) package (7.11 mm × 6.22 mm), same VWM/VC specs; RoHS-compliant but not halogen-free or AEC-Q101 qualified. | Requires larger PCB area and different land pattern; better suited for high-energy surge zones like AC mains input or motor drive terminals. | Choose 1.5SMC75CA when system-level surge tests exceed IEC 61000-4-5 Level 4 and board space permits larger footprint. |
Compared with SMBJ75CA and 1.5SMC75CA, P6SMB75CAHM3_A/H uniquely combines AEC-Q101 qualification, halogen-free construction, and SMB footprint - making it the only option among the three validated for automotive sensor nodes requiring zero rework risk and full regulatory traceability.
Availability
P6SMB75CAHM3_A/H is available at Aetrix Electronics and suitable for automotive electronics, industrial programmable logic controllers, and telecom infrastructure requiring stable component supply with full AEC-Q101 documentation and halogen-free compliance.
Supply support for P6SMB75CAHM3_A/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, MOSFETs, and passive components with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets high-volume, space-constrained transient protection in automotive, industrial, and communications systems - designed to replace older SMA/SMB packages with enhanced surge robustness and qualification rigor.
FAQ
What is the clamping voltage of P6SMB75CAHM3_A/H at its rated peak pulse current?
The P6SMB75CAHM3_A/H has a maximum clamping voltage (VC) of 103 V at 5.8 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per JEDEC test conditions and defines the upper voltage limit imposed on protected circuitry during transient events. The P6SMB75CAHM3_A/H maintains this clamping performance across its full operating temperature range (–65 °C to +150 °C), ensuring consistent protection in harsh environments.
Is P6SMB75CAHM3_A/H suitable for automotive applications?
Yes, P6SMB75CAHM3_A/H is AEC-Q101 qualified and specifically designated for automotive use with suffix "HM3" indicating halogen-free, RoHS-compliant, and AEC-Q101-qualified construction. It passes stress tests including temperature cycling, high-temperature reverse bias, and ESD per AEC-Q101 Rev D. The P6SMB75CAHM3_A/H is commonly deployed in body control modules, ADAS camera power rails, and infotainment system interfaces where reliability under vibration and thermal cycling is mandatory.
What does the "CA" suffix indicate in P6SMB75CAHM3_A/H?
The "CA" suffix in P6SMB75CAHM3_A/H denotes a bidirectional configuration - meaning the device provides symmetrical transient suppression in both forward and reverse directions, with identical VWM, VBR, and VC characteristics across polarity. Unlike unidirectional variants (e.g., P6SMB75A), the P6SMB75CAHM3_A/H has no cathode band marking and is used where AC signals, differential buses (e.g., RS-485, CAN), or unknown-polarity inputs require balanced clamping without polarity constraints.
What is the maximum operating junction temperature for P6SMB75CAHM3_A/H?
The maximum operating junction temperature (TJ) for P6SMB75CAHM3_A/H is +150 °C, as specified in Vishay's official datasheet (Document Number: 88370). This rating allows reliable operation in under-hood automotive locations and industrial enclosures with elevated ambient temperatures. Derating curves in Figure 2 confirm usable power dissipation down to 50% at 125 °C ambient when mounted on recommended 5.0 mm × 5.0 mm copper pads - a key design consideration for the P6SMB75CAHM3_A/H in thermally demanding layouts.
How does the MSL Level 1 rating affect handling and assembly of P6SMB75CAHM3_A/H?
The P6SMB75CAHM3_A/H carries MSL Level 1 per J-STD-020, meaning it has unlimited floor life and may be subjected to standard lead-free reflow profiles (peak 260 °C) without prior baking. This eliminates moisture sensitivity concerns during SMT assembly - a critical advantage for high-throughput manufacturing. The P6SMB75CAHM3_A/H's matte tin-plated leads also comply with J-STD-002 and JESD22-B102, ensuring robust solder joint formation without voiding or dewetting issues in automated placement lines.
P6SMB75CAHM3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 64.1V
- Voltage - Breakdown (Min):
- 71.3V
- Voltage - Clamping (Max) @ Ipp:
- 103V
- Current - Peak Pulse (10/1000µs):
- 5.8A
- 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)
P6SMB75CAHM3_A/H FAQ
1.How can I place an order for P6SMB75CAHM3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB75CAHM3_A/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 P6SMB75CAHM3_A/H reliable?
The price and inventory of P6SMB75CAHM3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB75CAHM3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB75CAHM3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB75CAHM3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB75CAHM3_A/H?
P6SMB75CAHM3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB75CAHM3_A/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 P6SMB75CAHM3_A/H?
For technical support, including P6SMB75CAHM3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB75CAHM3_A/H requirements.
6.How does Aetrix verify that P6SMB75CAHM3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB75CAHM3_A/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 P6SMB75CAHM3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB75CAHM3_A/H?
All P6SMB75CAHM3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB75CAHM3_A/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 P6SMB75CAHM3_A/H part is unused and in its original packaging.
Return procedure for P6SMB75CAHM3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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