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Vishay General Semiconductor - Diodes Division P6SMB30AHE3_A/H
- Part No.:
- P6SMB30AHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB30AHE3_A/H.pdf
- Description:
- TVS DIODE 25.6VWM 41.4VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,164
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Product details
Overview
P6SMB30AHE3_A/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on power and signal lines. It features a 30 V breakdown voltage (VBR = 28.5–31.5 V at IT = 1.0 mA), 25.6 V stand-off voltage (VWM), and 41.4 V maximum clamping voltage (VC) at 14.5 A peak pulse current (IPPM), delivering 600 W peak pulse power with 10/1000 μs waveform for automotive and industrial surge protection.
For engineers reviewing the P6SMB30AHE3_A/H datasheet, P6SMB30AHE3_A/H pinout, P6SMB30AHE3_A/H application, or P6SMB30AHE3_A/H equivalent, this AEC-Q101 qualified TVS offers validated transient suppression for 12 V/24 V automotive subsystems, sensor interface protection, and DC power rail hardening where low clamping voltage, fast response (<1 ns), and MSL Level 1 reflow compatibility are required.
Technical Context
The P6SMB30AHE3_A/H operates as a unidirectional avalanche diode, conducting only when reverse voltage exceeds its breakdown threshold to shunt transient energy to ground. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low incremental surge resistance, enabling consistent clamping performance across repetitive surges.
Designed for surface-mount assembly on standard PCB pads (0.2" × 0.2"), it delivers thermal resistance of RθJA = 100 °C/W and RθJL = 20 °C/W, supporting operation from −65 °C to +150 °C junction temperature. The cathode band marking identifies polarity, and matte tin-plated leads comply with J-STD-002 solderability and JESD 22-B102 whisker testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 28.5–31.5 V at 1.0 mA test current - defines precise conduction onset for reliable overvoltage triggering |
| Stand-off Voltage VWM | 25.6 V - maximum continuous reverse voltage before leakage exceeds 1.0 μA, ensuring no false triggering in 24 V nominal systems |
| Clamping Voltage VC | 41.4 V at 14.5 A IPPM - limits downstream IC stress during 600 W transients, critical for MOSFET gate and microcontroller I/O protection |
| Peak Pulse Power PPPM | 600 W with 10/1000 μs waveform - sustains high-energy lightning or load-dump surges without failure under defined duty cycle (0.01 %) |
| Junction Temperature Range | −65 °C to +150 °C - supports under-hood automotive placement and industrial environments with wide thermal cycling |
| AEC-Q101 Qualified | Yes - validated for automotive electronics per stress test requirements including HTOL, TC, and ESD, enabling use in safety-critical modules |
| Package | SMB (DO-214AA) - compact 3.94 mm × 2.20 mm footprint with standardized pad layout for automated placement and reflow |
Pinout & Package
SMB (DO-214AA) surface-mount package with cathode band marking on one end; two-terminal device with anode and cathode leads formed for gull-wing mounting on PCB.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to system ground or low-impedance return path to divert surge current away from protected circuitry |
| Anode | Protected line connection | Connected to input power rail or signal line requiring clamping; reverse-biased during normal operation |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against ISO 7637-2 Pulse 5a (load dump) and IEC 61000-4-5 surges in 24 V vehicle systems |
| Low clamping ratio (VC/VWM ≈ 1.62) | Minimizes overvoltage stress on downstream components compared to higher-ratio TVS devices |
| MSL Level 1 (260 °C peak) | Supports standard lead-free reflow without preconditioning, reducing manufacturing complexity and cost |
| Glass passivated junction | Ensures long-term parameter stability and low leakage (<1 μA at VWM) across temperature and lifetime |
| AEC-Q101 qualification | Validates reliability for automotive applications including engine control units, body electronics, and ADAS sensors |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 24 V supply inputs in engine control modules from load-dump transients up to 40 V. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp surges before they reach LDOs and MCUs. Use Value: Limits peak voltage to 41.4 V during 600 W transients, preventing damage to 36 V-rated input stages and meeting ISO 16750-2 requirements. |
Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loop) in factory automation sensors from ESD and inductive switching noise. IC Role / Device Role / Timing Role: TVS mounted at connector entry point to absorb fast transients before reaching op-amp buffer and ADC front-end. Use Value: Sub-1 ns response time and 25.6 V VWM ensure signal integrity remains intact during routine field disturbances while avoiding false triggering. |
| DC-DC Converter Input Protection | Telecom Line Card Surge Suppression |
Use Scenario: Shielding buck converter inputs in PoE-powered equipment from Ethernet cable-induced surges and hot-swap transients. IC Role / Device Role / Timing Role: Primary clamping device on 48 V input rail, coordinated with upstream fuse and downstream filter capacitors. Use Value: 14.5 A IPPM capacity handles multiple surge events without degradation, maintaining regulation stability during repeated fault conditions. |
Use Scenario: Hardening RS-485 communication ports on base station line cards against lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: First-line transient suppressor on differential bus lines, paired with common-mode chokes and isolation transformers. Use Value: Low capacitance (<100 pF typical) avoids signal distortion at 10 Mbps rates while clamping common-mode spikes to safe levels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ30A-E3/5B | Same VBR range (28.5–31.5 V), but lower PPPM (400 W) and higher VC (48.4 V at 8.3 A); SMA package (smaller footprint, higher RθJA) | Not AEC-Q101 qualified; suitable for commercial-grade consumer or computing applications, not automotive | Select when space constraints prioritize smaller size and automotive qualification is unnecessary |
| 1.5SMC33A | Higher VWM (28.2 V), same VC (45.7 V at 13.1 A), but larger SMC package (DO-214AB); identical 600 W rating and AEC-Q101 option available (1.5SMC33AHE3) | Requires larger PCB area; better thermal dissipation (RθJA ≈ 60 °C/W) for high-duty-cycle environments | Select when enhanced thermal margin or legacy SMC footprint compatibility is required over SMB density |
Compared with SMAJ30A-E3/5B and 1.5SMC33A, the P6SMB30AHE3_A/H uniquely balances AEC-Q101 compliance, SMB footprint efficiency, and 41.4 V clamping performance-making it optimal for space-constrained automotive modules where both reliability and board area are critical.
Availability
P6SMB30AHE3_A/H is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom line card designs requiring stable component supply, AEC-Q101 validation, and consistent surge immunity across production batches.
Supply support for P6SMB30AHE3_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, TVS, MOSFETs, and optoelectronics with emphasis on reliability, precision, and application-specific optimization.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and communications infrastructure, engineered for robustness under harsh electrical and thermal conditions with standardized surface-mount form factors.
FAQ
What is the clamping voltage of the P6SMB30AHE3_A/H at its rated peak pulse current?
The P6SMB30AHE3_A/H has a maximum clamping voltage (VC) of 41.4 V at 14.5 A peak pulse current (IPPM) under the standard 10/1000 μs waveform. This value is measured per JEDEC test conditions and reflects the actual voltage seen by protected circuitry during worst-case transient events. The P6SMB30AHE3_A/H maintains this clamping performance across its full operating temperature range and after multiple surge cycles, as verified in AEC-Q101 qualification testing.
Is the P6SMB30AHE3_A/H suitable for automotive applications?
Yes, the P6SMB30AHE3_A/H is AEC-Q101 qualified and explicitly designated for automotive use with the "HE3" suffix indicating RoHS-compliant and AEC-Q101 qualified construction. It meets stress test requirements for high-temperature operating life, temperature cycling, and ESD robustness, making it appropriate for engine control units, body electronics, and ADAS sensor modules. The P6SMB30AHE3_A/H is rated for junction temperatures up to +150 °C and supports reflow profiles up to 260 °C per J-STD-020 MSL Level 1.
How does the P6SMB30AHE3_A/H differ from bidirectional variants like P6SMB30CA?
The P6SMB30AHE3_A/H is unidirectional and features a cathode band marking, allowing it to conduct only during reverse-voltage transients-ideal for DC power rail protection. In contrast, P6SMB30CA is bidirectional with no polarity marking and symmetric clamping in both directions, suited for AC signal lines or differential buses. The P6SMB30AHE3_A/H has lower leakage at VWM and slightly tighter VBR tolerance than its bidirectional counterpart, and its design excludes forward conduction capability beyond standard diode drop.
What is the thermal resistance of the P6SMB30AHE3_A/H, and how does it affect PCB layout?
The P6SMB30AHE3_A/H 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, as specified in the Vishay datasheet. This value assumes minimal copper area; increasing pad size or adding internal ground planes reduces RθJA. For sustained power dissipation above 1 W, designers should verify junction temperature using RθJA and ambient conditions. The P6SMB30AHE3_A/H's RθJL of 20 °C/W indicates efficient heat transfer to PCB traces, supporting reliable operation in thermally dense layouts.
Can the P6SMB30AHE3_A/H be used in parallel for higher surge current handling?
No, the P6SMB30AHE3_A/H is not recommended for parallel operation due to inherent VBR mismatch (±5% tolerance) causing current imbalance and potential thermal runaway. Even with matched lots, minor parametric variation leads to uneven current sharing during fast transients. For higher surge ratings, select a single higher-power device such as the 1.5SMC33A (same VBR, 600 W, SMC package) or consult Vishay's application notes on staged protection topologies. The P6SMB30AHE3_A/H is optimized for standalone use in its specified 600 W rating.
P6SMB30AHE3_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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 25.6V
- Voltage - Breakdown (Min):
- 28.5V
- Voltage - Clamping (Max) @ Ipp:
- 41.4V
- Current - Peak Pulse (10/1000µs):
- 14.5A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB30AHE3_A/H FAQ
1.How can I place an order for P6SMB30AHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB30AHE3_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 P6SMB30AHE3_A/H reliable?
The price and inventory of P6SMB30AHE3_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 P6SMB30AHE3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB30AHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB30AHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB30AHE3_A/H?
P6SMB30AHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB30AHE3_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 P6SMB30AHE3_A/H?
For technical support, including P6SMB30AHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB30AHE3_A/H requirements.
6.How does Aetrix verify that P6SMB30AHE3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB30AHE3_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 P6SMB30AHE3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB30AHE3_A/H?
All P6SMB30AHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB30AHE3_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 P6SMB30AHE3_A/H part is unused and in its original packaging.
Return procedure for P6SMB30AHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB30AHE3_A/H Tags
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