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Vishay General Semiconductor - Diodes Division P6SMB100CAHE3/52
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- Part No.:
- P6SMB100CAHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB100CAHE3/52.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,416
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Product details
Overview
P6SMB100CAHE3/52 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, with 100 V standoff voltage (VWM), 105 V minimum breakdown voltage (VBR), and 137 V maximum clamping voltage (VC) at 4.4 A peak pulse current (IPPM), designed to protect signal lines and power rails in automotive and industrial electronics against ESD and lightning-induced transients.
For engineers reviewing the P6SMB100CAHE3/52 datasheet, P6SMB100CAHE3/52 pinout, P6SMB100CAHE3/52 application, or P6SMB100CAHE3/52 equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, 600 W peak pulse power rating (10/1000 μs), low thermal resistance (RθJL = 20 °C/W), and compatibility with automated SMT assembly on standard PCB pad layouts.
Technical Context
The P6SMB100CAHE3/52 operates as a voltage-clamped transient protector with symmetrical reverse/forward conduction behavior due to its bidirectional construction. It features glass-passivated junctions for stable leakage performance and fast response time (<1 ns) to transient events.
Its 600 W peak pulse power rating is specified under standardized 10/1000 μs waveform conditions with 0.01% duty cycle, and thermal derating follows a defined curve above TA = 25 °C per Figure 2. The device meets MSL Level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 100 V - Maximum continuous reverse operating voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (Breakdown Voltage) | 95–105 V at 1 mA test current - Confirmed avalanche initiation range; ensures predictable turn-on during overvoltage events. |
| VC (Clamping Voltage) | 137 V at IPPM = 4.4 A - Peak voltage seen by protected circuit during 10/1000 μs surge; determines stress on downstream components. |
| PPPM (Peak Pulse Power) | 600 W - Surge energy handling capacity under standardized waveform; enables protection against IEC 61000-4-5 Level 4 transients. |
| ID (Reverse Leakage) | 1.0 μA max at VWM - Low leakage preserves signal integrity and minimizes standby power loss in high-impedance circuits. |
| TJ max | 150 °C - Maximum junction temperature; supports operation in under-hood automotive environments and industrial enclosures. |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC specification. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking; matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Bidirectional terminals - either terminal serves as anode or cathode depending on transient polarity; no band marking required. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against high-energy surges such as ISO 7637-2 Load Dump and IEC 61000-4-5 ring wave transients. |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive applications including engine control units, body electronics, and ADAS sensor interfaces. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients, improving clamping precision and system-level EMI resilience. |
| MSL Level 1, 260 °C peak reflow | Supports lead-free reflow soldering without preconditioning; compatible with standard SMT production lines. |
| Glass passivated junction | Ensures long-term stability of leakage current and breakdown voltage across temperature and lifetime stress conditions. |
Applications
| Automotive Sensor Interface Protection | Industrial CAN Bus Line Protection |
|---|---|
|
Use Scenario: Protecting analog and digital sensor signal lines (e.g., pressure, temperature, position sensors) in engine bay or chassis modules from load dump and inductive switching noise. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector entry point to shunt transients before reaching MCU ADC inputs or signal conditioning ICs. Use Value: Maintains signal fidelity under ±100 V transients while adding <1 pF junction capacitance - critical for 12-bit+ sensor accuracy. |
Use Scenario: Safeguarding CAN_H/CAN_L differential pair in factory automation controllers exposed to motor drive noise and ground bounce. IC Role / Device Role / Timing Role: Paired P6SMB100CAHE3/52 devices (one per line) provide symmetrical clamping to limit common-mode surges to <137 V without disrupting 1 Mbps CAN timing. Use Value: Enables compliance with ISO 11898-2 EMC requirements while supporting extended temperature operation from –40 °C to +125 °C ambient. |
| Telecom Power Rail Clamp | Consumer USB Port ESD Protection |
|
Use Scenario: Secondary-side overvoltage suppression on 48 V DC telecom power distribution boards subject to lightning-induced surges. IC Role / Device Role / Timing Role: Parallel-mounted TVS on output rail to clamp sustained overvoltages exceeding 100 V, preventing damage to PoE injectors and Ethernet PHYs. Use Value: Delivers 600 W pulse handling with <20 °C/W junction-to-lead thermal resistance - sustains multiple surge events without thermal runaway. |
Use Scenario: Front-end protection for USB 2.0 data lines and VBUS in portable docking stations subjected to human-body-model (HBM) ESD events. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp placed between connector and USB transceiver to suppress ±8 kV contact discharge without signal distortion. Use Value: Achieves <1.0 μA leakage at 100 V - avoids false disconnect detection in USB enumeration while meeting IEC 61000-4-2 Level 4. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ100CA | Same VWM/VBR/VC specs but lower PPPM (400 W); SMA package (DO-214AC), larger footprint and higher RθJA (140 °C/W). | Limited to lower-energy transients; unsuitable for automotive load dump where 600 W is required. | Select only if board space allows SMA and surge energy is ≤400 W. |
| SMCJ100CA | Higher PPPM (1500 W); SMC package (DO-214AB), larger size, higher thermal mass, RθJL = 10 °C/W. | Over-specified for most 100 V rail protection; adds cost and area where 600 W suffices. | Choose when repeated high-current surges (>10×) or extended thermal cycling demand superior ruggedness. |
Compared with SMAJ100CA and SMCJ100CA, the P6SMB100CAHE3/52 delivers optimal balance of 600 W surge capability, AEC-Q101 qualification, SMB footprint efficiency, and MSL-1 process compatibility - making it the preferred choice for space-constrained automotive and industrial designs requiring validated reliability.
Availability
P6SMB100CAHE3/52 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial CAN bus nodes, telecom power rails, and consumer USB port protection requiring stable component supply and full traceability.
Supply support for P6SMB100CAHE3/52 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 high-reliability, automotive-qualified, and industry-standard solutions.
The P6SMB Series is engineered for robust transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where AEC-Q101 validation, precise clamping, and automated assembly compatibility are mandatory.
FAQ
What does the "CA" suffix indicate in P6SMB100CAHE3/52?
The "CA" suffix in P6SMB100CAHE3/52 denotes a bidirectional configuration, meaning the device provides symmetrical clamping in both polarities - essential for protecting AC-coupled lines, differential buses like CAN, or ungrounded signal paths. Unlike unidirectional variants (e.g., P6SMB100A), P6SMB100CAHE3/52 has no cathode marking and conducts identically in either direction above its breakdown threshold.
Is P6SMB100CAHE3/52 suitable for automotive applications?
Yes, P6SMB100CAHE3/52 is AEC-Q101 qualified (indicated by the "HE3" suffix), having passed stress tests including temperature cycling, high-temperature reverse bias, and ESD per automotive reliability standards. It is widely deployed in engine control modules, body control units, and ADAS sensor interfaces where 100 V standoff and 137 V clamping align with 12 V/24 V system architectures.
What is the maximum clamping voltage of P6SMB100CAHE3/52 under surge conditions?
The maximum clamping voltage (VC) of P6SMB100CAHE3/52 is 137 V, measured at a peak pulse current (IPPM) of 4.4 A using the standardized 10/1000 μs waveform. This value represents the highest voltage imposed on the protected circuit during a worst-case transient event and is critical for ensuring downstream ICs remain within absolute maximum ratings.
How does the SMB (DO-214AA) package of P6SMB100CAHE3/52 compare to SMA or SMC packages?
The SMB package of P6SMB100CAHE3/52 offers a 30% smaller footprint than SMA (DO-214AC) and 50% smaller than SMC (DO-214AB), while maintaining 600 W surge capability. Its RθJL of 20 °C/W enables efficient heat transfer to PCB copper pads, and its MSL Level 1 rating supports direct placement in high-volume lead-free reflow processes - advantages not matched by larger alternatives.
Does P6SMB100CAHE3/52 require external series impedance for effective protection?
No, P6SMB100CAHE3/52 functions as a standalone shunt protector and does not require external series impedance to operate. However, in high-speed data lines (e.g., CAN, USB), a small series resistor (e.g., 1–10 Ω) may be added to dampen ringing and reduce capacitive loading - but this is a system-level design choice, not a requirement of the P6SMB100CAHE3/52 itself.
P6SMB100CAHE3/52 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):
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB100CAHE3/52 FAQ
1.How can I place an order for P6SMB100CAHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB100CAHE3/52 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 P6SMB100CAHE3/52 reliable?
The price and inventory of P6SMB100CAHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB100CAHE3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB100CAHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB100CAHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB100CAHE3/52?
P6SMB100CAHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB100CAHE3/52 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 P6SMB100CAHE3/52?
For technical support, including P6SMB100CAHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB100CAHE3/52 requirements.
6.How does Aetrix verify that P6SMB100CAHE3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB100CAHE3/52 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 P6SMB100CAHE3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB100CAHE3/52?
All P6SMB100CAHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB100CAHE3/52, 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 P6SMB100CAHE3/52 part is unused and in its original packaging.
Return procedure for P6SMB100CAHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB100CAHE3/52 Tags
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