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Vishay General Semiconductor - Diodes Division P6SMB11CAHE3/5B
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- Part No.:
- P6SMB11CAHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11CAHE3/5B.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,795
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Product details
Overview
P6SMB11CAHE3/5B from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 11 V standoff voltage (VWM), 15.6 V clamping voltage (VC) at 38.5 A peak pulse current (IPPM), and 600 W peak pulse power (10/1000 μs). It provides robust ESD and surge protection for signal lines in automotive sensor interfaces and industrial I/O circuits.
For engineers reviewing the P6SMB11CAHE3/5B datasheet, P6SMB11CAHE3/5B pinout, P6SMB11CAHE3/5B application, or P6SMB11CAHE3/5B equivalent, this AEC-Q101 qualified TVS offers verified bidirectional clamping, low incremental surge resistance, and MSL Level 1 moisture sensitivity - critical for high-reliability automotive PCB designs requiring repeatable transient suppression without polarity constraints.
Technical Context
This device operates as a voltage-clamped shunt protector: during transients exceeding its breakdown voltage (VBR = 10.5–11.6 V), it avalanches to divert surge current away from downstream circuitry while maintaining VC ≤ 15.6 V. Its bidirectional symmetry ensures identical clamping behavior regardless of transient polarity.
Designed for automated SMT assembly, it features glass-passivated junctions, matte tin-plated leads compliant with J-STD-002, and thermal resistance RθJA = 100 °C/W. The AEC-Q101 qualification confirms suitability for automotive under-hood and infotainment applications operating from −65 °C to +150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 9.40 V - Maximum continuous reverse voltage before significant leakage; defines safe operating margin below clamping threshold. |
| VBR (Breakdown) | 10.5–11.6 V at 1.0 mA - Verified avalanche initiation range; ensures predictable turn-on during fast transients. |
| VC (Clamping) | 15.6 V at IPPM = 38.5 A - Peak voltage seen by protected circuit during 10/1000 μs surge; limits stress on downstream ICs. |
| PPPM | 600 W - Sustained surge energy handling per IEC 61000-4-5 Level 4; enables protection against 4 kV contact ESD and inductive switching spikes. |
| ID (Leakage) | 5.0 μA max at VWM - Ultra-low reverse leakage preserves signal integrity and battery life in always-on sensor nodes. |
| TJ max | +150 °C - Enables operation in engine control units and powertrain modules without derating in high-ambient environments. |
| Package | SMB (DO-214AA) - Industry-standard 2-pin surface-mount outline with 5.0 mm × 5.0 mm copper pad footprint; compatible with standard reflow profiles. |
Pinout & Package
SMB (DO-214AA) package: molded plastic body with coplanar matte tin-plated terminals; no polarity marking for bidirectional configuration; case meets UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (bidirectional) | Accepts positive or negative surge polarity; symmetric conduction path eliminates need for orientation verification during placement. |
| Cathode | Transient current exit (bidirectional) | Completes low-impedance shunt path to ground or rail; functions identically to anode under reverse polarity events. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Identical VBR, VC, and IPPM performance for both polarities - eliminates design risk from signal line polarity ambiguity in CAN, LIN, or analog sensor interfaces. |
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock - required for Tier-1 ECU and ADAS module BOMs. |
| 600 W peak pulse power | Withstands repeated 10/1000 μs surges up to 38.5 A without degradation - meets ISO 7637-2 Pulse 1, 2a, 3a/b and IEC 61000-4-5 surge immunity requirements. |
| MSL Level 1 rating | Unlimited floor life at ≤30 °C/60 % RH - supports just-in-time SMT assembly without baking or dry pack handling. |
| Glass passivated junction | Stable avalanche characteristics over 1000+ surge events - ensures long-term clamping consistency in industrial motor drives and power supply inputs. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting analog output lines (e.g., 0–5 V throttle position sensor signals) from load dump and alternator ripple in 12 V vehicle systems. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed directly at connector interface to clamp induced spikes before reaching ADC input stage. Use Value: Limits voltage excursion to ≤15.6 V during 100 V/50 ms load dump events, preventing ADC saturation and microcontroller reset. |
Use Scenario: Safeguarding 24 V digital input channels on programmable logic controllers exposed to relay coil flyback and field wiring surges. IC Role / Device Role / Timing Role: Bidirectional voltage clamp across input terminals to absorb inductive kickback without polarity-dependent layout constraints. Use Value: Clamps 400 V transients to <16 V within 1 ns, preserving optocoupler isolation integrity and enabling >100 k-cycle surge endurance. |
| Telecom Line Interface | Consumer USB Port ESD |
|
Use Scenario: Shielding RS-485 transceiver bus lines (A/B) in outdoor base station equipment from lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: Differential-mode TVS pair (one per line) referenced to common ground to suppress common-mode transients up to ±2 kV. Use Value: Maintains signal integrity below 15.6 V clamping level during 10/1000 μs surges, ensuring error-free communication at 10 Mbps. |
Use Scenario: Adding secondary-level ESD protection on USB 2.0 D+/D− lines behind primary polymer TVS in portable medical monitors. IC Role / Device Role / Timing Role: Low-capacitance (<100 pF) bidirectional clamp limiting ESD voltage to <16 V during ±8 kV contact discharge. Use Value: Prevents latch-up in USB PHY transceivers while adding <0.5 pF parasitic capacitance - no data rate degradation at 480 Mbps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11CA | Same VWM (9.4 V), VC (18.2 V), but lower PPPM (400 W); SMA package (smaller footprint, higher RθJA = 150 °C/W). | Limited to lower-energy transients (e.g., IEC 61000-4-2 ESD only); unsuitable for ISO 7637-2 Pulse 5a load dump. | Select when board space is constrained and surge energy is limited to <400 W; verify thermal margin at 150 °C ambient. |
| 1.5KE11CA | Higher PPPM (1500 W), larger DO-201 package; VWM = 9.4 V, VC = 18.2 V, but leaded through-hole mounting. | Requires wave soldering or hand-soldering; incompatible with fully SMT production; better for prototyping or legacy repair. | Choose for high-energy surge testing fixtures or where manual replacement is preferred; not suitable for automated high-volume assembly. |
Compared with SMAJ11CA and 1.5KE11CA, P6SMB11CAHE3/5B delivers optimal balance of 600 W surge capacity, AEC-Q101 qualification, and SMB SMT compatibility - making it the preferred choice for production automotive and industrial control modules requiring zero-layout redesign and guaranteed long-term supply.
Availability
P6SMB11CAHE3/5B is available at Aetrix Electronics and suitable for automotive ECUs, industrial PLCs, telecom base stations, and consumer USB peripherals requiring stable component supply with AEC-Q101 traceability and 13" tape-and-reel delivery.
Supply support for P6SMB11CAHE3/5B 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and telecom systems - engineered for consistent clamping, low leakage, and seamless integration into automated SMT lines.
FAQ
What is the clamping voltage of P6SMB11CAHE3/5B at its rated peak pulse current?
The P6SMB11CAHE3/5B has a maximum clamping voltage (VC) of 15.6 V when subjected to its specified peak pulse current (IPPM) of 38.5 A under a 10/1000 μs waveform. This value is measured per JEDEC standards and guarantees that protected circuitry will not experience voltages exceeding 15.6 V during such transient events. The P6SMB11CAHE3/5B maintains this clamping performance bidirectionally, supporting robust protection in AC-coupled or polarity-agnostic signal paths.
Is P6SMB11CAHE3/5B suitable for automotive applications?
Yes, P6SMB11CAHE3/5B is AEC-Q101 qualified and explicitly designated for automotive use with suffix "HE3" indicating RoHS-compliant and AEC-Q101 qualified construction. It operates across −65 °C to +150 °C junction temperature, withstands mechanical shock and temperature cycling per automotive stress tests, and is commonly deployed in engine control units, body control modules, and ADAS sensor interfaces. The P6SMB11CAHE3/5B meets ISO 7637-2 and IEC 61000-4-5 immunity requirements when applied per Vishay's recommended layout guidelines.
How does the bidirectional functionality of P6SMB11CAHE3/5B affect PCB layout?
The bidirectional nature of P6SMB11CAHE3/5B eliminates polarity marking and orientation constraints - the device functions identically regardless of which terminal connects to signal or ground/reference rail. This simplifies PCB layout by removing the need for cathode band alignment, reduces assembly errors, and enables symmetric placement across differential pairs (e.g., RS-485 A/B lines). Unlike unidirectional TVS diodes, the P6SMB11CAHE3/5B requires no series blocking diode or DC bias network, streamlining protection for AC-coupled or floating interfaces.
What is the maximum steady-state power dissipation of P6SMB11CAHE3/5B?
The P6SMB11CAHE3/5B has a maximum steady-state power dissipation (PD) of 5.0 W when mounted on an infinite heatsink at TA = 50 °C. In typical PCB applications using the recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal, derating applies above 25 °C ambient; for example, at 70 °C ambient, usable PD drops to ~3.5 W. This rating governs continuous leakage-related heating and must be evaluated alongside transient duty cycle to ensure long-term reliability of the P6SMB11CAHE3/5B in thermally constrained enclosures.
Does P6SMB11CAHE3/5B require special handling due to moisture sensitivity?
No - P6SMB11CAHE3/5B is rated MSL Level 1 per J-STD-020, meaning it has unlimited floor life at standard conditions (≤30 °C / 60 % RH) and requires no baking or dry-pack storage prior to reflow soldering. Its SMB (DO-214AA) package uses moisture-resistant molding compound, and the matte tin-plated leads comply with J-STD-002 for solderability. This eliminates moisture-related popcorning risk during standard lead-free reflow profiles, simplifying manufacturing logistics for the P6SMB11CAHE3/5B in high-volume SMT lines.
P6SMB11CAHE3/5B 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:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 38.5A
- 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 (SMBJ)
P6SMB11CAHE3/5B FAQ
1.How can I place an order for P6SMB11CAHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11CAHE3/5B 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 P6SMB11CAHE3/5B reliable?
The price and inventory of P6SMB11CAHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11CAHE3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB11CAHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11CAHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11CAHE3/5B?
P6SMB11CAHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11CAHE3/5B 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 P6SMB11CAHE3/5B?
For technical support, including P6SMB11CAHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11CAHE3/5B requirements.
6.How does Aetrix verify that P6SMB11CAHE3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB11CAHE3/5B 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 P6SMB11CAHE3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB11CAHE3/5B?
All P6SMB11CAHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11CAHE3/5B, 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 P6SMB11CAHE3/5B part is unused and in its original packaging.
Return procedure for P6SMB11CAHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB11CAHE3/5B Tags
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