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Vishay General Semiconductor - Diodes Division P6SMB100AHE3_B/I
- Part No.:
- P6SMB100AHE3_B/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB100AHE3_B/I.pdf
- Description:
- 600W,100V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:8,679
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Product details
Overview
P6SMB100AHE3_B/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 100 V standoff voltage (VWM = 85.5 V), 137 V clamping voltage at 4.4 A peak pulse current (IPPM), and 600 W peak pulse power with 10/1000 μs waveform. It provides robust ESD and surge protection for DC power rails and signal lines in automotive-grade industrial electronics.
For engineers reviewing the P6SMB100AHE3_B/I datasheet, P6SMB100AHE3_B/I pinout, P6SMB100AHE3_B/I application, or P6SMB100AHE3_B/I equivalent, this AEC-Q101 qualified TVS diode delivers verified clamping performance, low incremental surge resistance, and MSL Level 1 moisture sensitivity - critical for high-reliability automotive and industrial PCB designs requiring repeatable transient suppression without derating.
Technical Context
The P6SMB100AHE3_B/I operates as a unidirectional avalanche breakdown device, triggered when reverse voltage exceeds its 95–105 V breakdown range (VBR at 1 mA). Its glass-passivated junction ensures stable leakage (<1 μA at 85.5 V) and fast response time (<1 ns), enabling effective suppression of fast-rising transients from inductive switching or ESD events.
Thermally, it features RθJA = 100 °C/W and RθJL = 20 °C/W, supporting operation up to TJ = +150 °C. The cathode-band-marked SMB package enables automated placement and meets UL 94 V-0 flammability, J-STD-002 solderability, and JESD201 Class 2 whisker resistance standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 85.5 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC rail margin. |
| VBR (Breakdown Voltage) | 95.0–105 V at 1 mA - Precise avalanche threshold ensuring predictable turn-on during overvoltage events. |
| VC (Clamping Voltage) | 137 V at IPPM = 4.4 A - Peak voltage seen by protected circuit under 10/1000 μs surge; determines downstream component stress. |
| PPPM (Peak Pulse Power) | 600 W - Sustained transient energy handling capability per JEDEC standard waveform; validates robustness against IEC 61000-4-5 surges. |
| ID (Reverse Leakage) | <1 μA at 85.5 V - Minimal standby power loss and negligible impact on high-impedance sensor or bias networks. |
| TJ max. | +150 °C - Enables deployment in under-hood automotive environments and thermally constrained industrial enclosures. |
| AEC-Q101 Qualified | Yes - Validated for automotive electronic systems per stress test requirements including HTOL, TCT, and ESD HBM/MM. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, cathode-band marked; dimensions 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); matte tin-plated leads, RoHS-compliant and halogen-free (HM3 variant).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional configuration; carries forward surge current up to 100 A (IFSM). |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., 12 V rail); initiates avalanche conduction when reverse voltage exceeds VBR; band-marked for orientation. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Validated surge immunity for IEC 61000-4-5 Level 3 (1 kV/2 kV) and ISO 7637-2 Pulse 1/2a/5a in automotive ECUs. |
| AEC-Q101 qualification (HE3 suffix) | Guarantees reliability across temperature cycling, humidity, and lifetime stress tests required for automotive powertrain and body electronics. |
| Low clamping ratio (VC/VBR ≈ 1.37) | Minimizes overvoltage overshoot during transients, reducing risk of damage to downstream MOSFETs, MCUs, or CAN transceivers. |
| MSL Level 1 (260 °C peak reflow) | Enables single-pass lead-free reflow assembly without preconditioning or baking, lowering manufacturing cost and cycle time. |
| Glass-passivated junction | Ensures stable VBR tolerance (±5 %), low leakage drift over time, and resistance to humidity-induced parameter shift. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Card |
|---|---|
Use Scenario: Protects 12 V supply rail and LIN bus lines from load dump and inductive kickback during relay/actuator switching. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground, clamping transients within 1 ns to limit voltage excursion below MCU and transceiver absolute maximum ratings. Use Value: Prevents latch-up or permanent damage to 32-bit microcontrollers and LIN transceivers during repeated 12 V system switching cycles. |
Use Scenario: Shields 24 V digital input channels from field-wiring induced surges (e.g., valve coil de-energization, motor contactor bounce). IC Role / Device Role / Timing Role: Standoff-rated TVS on each optocoupler input leg, conducting only during >85.5 V transients while remaining invisible to nominal 24 V logic detection. Use Value: Eliminates false triggering and extends optocoupler lifetime in factory automation environments with frequent electromagnetic interference. |
| Telecom Power Supply Front-End | Medical Infusion Pump Motor Driver |
Use Scenario: Guards AC/DC converter output rails against lightning-induced surges entering via PoE or external DC input connectors. IC Role / Device Role / Timing Role: Primary clamping device on +48 V output, coordinated with upstream MOVs to share energy and reduce thermal stress. Use Value: Maintains <137 V clamped voltage during 600 W surges, preserving isolation barrier integrity and preventing secondary-side regulator failure. |
Use Scenario: Suppresses back-EMF spikes generated by brushed DC motor commutation in battery-powered infusion pumps. IC Role / Device Role / Timing Role: Fast-response TVS across motor terminals, diverting sub-microsecond inductive spikes away from H-bridge MOSFETs and current-sense amplifiers. Use Value: Reduces MOSFET VDS overstress and prevents amplifier saturation, ensuring accurate flow-rate control and FDA-compliant safety margins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ100A-E3/5B | Same SMB package, 100 V VWM, but lower PPPM (400 W), higher VC (156 V), no AEC-Q101 qualification. | Limited to commercial-grade consumer or non-safety-critical industrial use; unsuitable for automotive under-hood deployment. | Select only if cost sensitivity outweighs automotive qualification and clamping performance requirements. |
| 1.5SMC100A | Higher-power SMC package (same VWM), 1500 W PPPM, 156 V VC, commercial grade, larger footprint (7.11 mm × 6.22 mm). | Used where higher surge margin is needed but board space allows larger package; lacks AEC-Q101 and MSL Level 1 compliance. | Choose when system-level surge testing exceeds 600 W and layout permits SMC footprint; not drop-in compatible. |
Compared with SMAJ100A-E3/5B and 1.5SMC100A, the P6SMB100AHE3_B/I uniquely combines AEC-Q101 qualification, 600 W surge rating, tight 137 V clamping, and MSL Level 1 reflow compatibility in the compact SMB outline - making it the optimal choice for space-constrained, high-reliability automotive and industrial designs.
Availability
P6SMB100AHE3_B/I is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input protection, telecom power front-ends, and medical motor driver circuits requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for P6SMB100AHE3_B/I 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 protection devices with emphasis on reliability, precision, and automotive-grade qualification.
The P6SMB Series targets high-volume, high-reliability transient suppression in automotive, industrial, and telecom systems - engineered for consistent clamping performance, low leakage, and seamless SMT integration in demanding environments.
FAQ
What is the clamping voltage of the P6SMB100AHE3_B/I at its rated peak pulse current?
The P6SMB100AHE3_B/I has a maximum clamping voltage (VC) of 137 V at its specified peak pulse current (IPPM) of 4.4 A, measured under the standard 10/1000 μs waveform. This value is guaranteed across temperature and represents the highest voltage the protected circuit will experience during a full-rated transient event. The P6SMB100AHE3_B/I maintains this clamping performance consistently due to its glass-passivated junction and controlled avalanche characteristics.
Is the P6SMB100AHE3_B/I suitable for automotive applications?
Yes, the P6SMB100AHE3_B/I is AEC-Q101 qualified, as indicated by the "HE3" and "_B" suffixes in its part number. It has undergone rigorous stress testing including high-temperature operating life, temperature cycling, and ESD qualification required for automotive electronics. The P6SMB100AHE3_B/I is commonly deployed in body control modules, infotainment power supplies, and ADAS sensor interfaces where reliability under harsh thermal and electrical conditions is mandatory.
What does the "_B/I" suffix mean in P6SMB100AHE3_B/I?
The "_B" denotes AEC-Q101 qualification for the P6SMB100AHE3_B/I series, while "/I" specifies packaging in 13-inch diameter plastic tape and reel with a 3200-unit quantity per reel. This format supports high-volume automated SMT assembly. The "HE3" portion confirms RoHS-compliant, halogen-free construction and AEC-Q101 qualification - all verified in Vishay's official documentation for the P6SMB100AHE3_B/I.
How does the P6SMB100AHE3_B/I compare to bidirectional TVS diodes like P6SMB100CA?
The P6SMB100AHE3_B/I is unidirectional and intended for DC rail protection where polarity is fixed (e.g., +12 V to ground), offering lower leakage and tighter VBR tolerance than its bidirectional counterpart P6SMB100CA. The P6SMB100CA supports AC or floating-line protection but exhibits higher ID and wider VBR spread. For automotive 12 V systems, the P6SMB100AHE3_B/I is preferred due to its superior clamping ratio and AEC-Q101 validation - features not extended to the CA variant in the same qualification scope.
What is the thermal resistance and maximum junction temperature of the P6SMB100AHE3_B/I?
The P6SMB100AHE3_B/I has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W and junction-to-lead resistance (RθJL) of 20 °C/W, measured on standard 0.2" × 0.2" copper pads. Its maximum operating junction temperature (TJ max.) is +150 °C, enabling reliable operation in under-hood automotive environments and sealed industrial enclosures. These thermal parameters are fully characterized and published in the official Vishay datasheet for the P6SMB100AHE3_B/I.
P6SMB100AHE3_B/I 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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 85.5V
- Voltage - Breakdown (Min):
- 95V
- Voltage - Clamping (Max) @ Ipp:
- 137V
- Current - Peak Pulse (10/1000µs):
- 4.4A
- 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)
P6SMB100AHE3_B/I FAQ
1.How can I place an order for P6SMB100AHE3_B/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB100AHE3_B/I 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 P6SMB100AHE3_B/I reliable?
The price and inventory of P6SMB100AHE3_B/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB100AHE3_B/I is usually 5 days.
3.What payment methods are accepted for P6SMB100AHE3_B/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB100AHE3_B/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB100AHE3_B/I?
P6SMB100AHE3_B/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB100AHE3_B/I 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 P6SMB100AHE3_B/I?
For technical support, including P6SMB100AHE3_B/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB100AHE3_B/I requirements.
6.How does Aetrix verify that P6SMB100AHE3_B/I is sourced from the original manufacturer or authorized distributors?
All P6SMB100AHE3_B/I 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 P6SMB100AHE3_B/I meets industry standards.
7.What is the process for return or replacement of P6SMB100AHE3_B/I?
All P6SMB100AHE3_B/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB100AHE3_B/I, 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 P6SMB100AHE3_B/I part is unused and in its original packaging.
Return procedure for P6SMB100AHE3_B/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB100AHE3_B/I Tags
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