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Vishay General Semiconductor - Diodes Division P6SMB100CA-E3/52
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- Part No.:
- P6SMB100CA-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB100CA-E3/52.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,848
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Product details
Overview
P6SMB100CA-E3/52 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 100 V standoff voltage (VWM), 137 V maximum clamping voltage (VC) at 4.4 A peak pulse current (IPPM), and 600 W peak pulse power (PPPM) with 10/1000 μs waveform. It protects signal lines and power rails in automotive sensor interfaces, industrial I/O modules, and telecom line cards against ESD and inductive switching transients.
For engineers reviewing the P6SMB100CA-E3/52 datasheet, P6SMB100CA-E3/52 pinout, P6SMB100CA-E3/52 application, or P6SMB100CA-E3/52 equivalent, key selection criteria include bidirectional clamping symmetry, low thermal resistance (RθJL = 20 °C/W), AEC-Q101 qualification eligibility (via HE3/HM3 variants), and compatibility with automated SMT placement on standard 0.2" × 0.2" copper pads.
Technical Context
The P6SMB100CA-E3/52 operates as a bidirectional avalanche diode with symmetrical breakdown behavior in both polarities, enabling protection of AC-coupled or differential signal paths without polarity constraints. Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and fast response time (<1.0 ns), critical for suppressing sub-microsecond transients.
Designed for transient energy absorption rather than continuous conduction, it features a low incremental surge resistance that maintains clamping voltage stability under repetitive 0.01% duty-cycle pulses. Thermal performance is defined by RθJA = 100 °C/W (free air) and RθJL = 20 °C/W (to lead), supporting reliable operation up to TJ = +150 °C when mounted per recommended pad layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 85.5 V - Maximum reverse voltage before significant leakage; defines operating margin below clamping threshold |
| VBR (Breakdown Voltage) | 95.0–105 V at 1.0 mA - Symmetrical avalanche onset in both directions; 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 transient; limits stress on downstream ICs |
| PPPM (Peak Pulse Power) | 600 W - Energy-handling capacity for standardized 10/1000 μs waveform; enables robust protection against IEC 61000-4-5 surges |
| ID (Reverse Leakage) | ≤1.0 μA at VWM - Minimal DC loading on signal lines; preserves integrity of high-impedance analog or digital inputs |
| TJ max. | +150 °C - Maximum junction temperature rating; supports use in under-hood automotive and industrial environments |
| Package | SMB (DO-214AA) - Low-profile SMT package with 0.220" × 0.130" footprint; compatible with J-STD-020 MSL Level 1 reflow |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional device with no polarity marking. Case dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); matte tin-plated leads compliant with J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias; common node in bidirectional configuration | Connected to protected line; forms symmetrical clamp path with cathode during either polarity transient |
| Cathode | Current exit terminal in forward bias; common node in bidirectional configuration | Connected to protected line; enables identical clamping behavior for positive and negative excursions |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping symmetry | Identical VBR min/max (95.0–105 V) and VC (137 V) in both polarities - eliminates need for polarity-aware layout in AC or differential circuits |
| 600 W peak pulse power | Rated per 10/1000 μs waveform at 0.01% duty cycle - meets IEC 61000-4-5 Level 4 surge immunity requirements for industrial equipment |
| Glass passivated junction | Stable leakage (<1.0 μA) and repeatable breakdown over temperature and lifetime - ensures long-term reliability in harsh environments |
| MSL Level 1 rating | Compatible with standard Pb-free reflow profiles up to 260 °C peak - supports high-yield automated assembly without moisture sensitivity concerns |
| AEC-Q101 qualification path | HE3/HM3 variants available - enables drop-in use in automotive applications including body control modules and ADAS sensor interfaces |
Applications
| Automotive Sensor Interface | Industrial PLC Analog Input |
|---|---|
Use Scenario: Protecting CAN FD or LIN bus transceivers and Hall-effect sensor outputs from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional TVS placed across differential signal pair or supply rail to clamp transients before they reach sensitive analog front-end or transceiver ICs. Use Value: Maintains signal integrity during 100 V/500 ms load dump events while adding <0.5 pF capacitance - avoids timing skew or data corruption in high-speed buses. |
Use Scenario: Shielding 4–20 mA current loop inputs in programmable logic controllers from field-induced surges and ESD. IC Role / Device Role / Timing Role: Standoff-connected TVS shunting transient energy to ground during lightning-induced ring waves on long cable runs. Use Value: Clamps to 137 V within nanoseconds, preventing op-amp saturation and ADC overrange errors without affecting loop accuracy or zero-point calibration. |
| Telecom Line Card Protection | Consumer USB Port ESD Guard |
Use Scenario: Safeguarding Ethernet PHYs and PoE injectors on access switch line cards against induced surges from nearby power cables. IC Role / Device Role / Timing Role: Primary-level TVS on RJ45 magnetics secondary side, coordinated with gas discharge tubes for multi-stage protection. Use Value: Absorbs 600 W surge energy without degradation, preserving signal integrity up to 1 Gbps while meeting GR-1089-CORE telecom immunity standards. |
Use Scenario: Adding secondary ESD protection on USB 2.0 D+/D− lines behind integrated port protectors in smart home hubs. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp limiting voltage excursion to <137 V during ±15 kV contact discharge (IEC 61000-4-2). Use Value: Adds <0.5 pF parasitic capacitance - negligible impact on signal rise time or eye diagram mask compliance at 480 Mbps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ100CA | Same VWM (85.5 V) and VC (137 V), but lower PPPM (400 W); SMA package (DO-214AC), larger footprint and higher RθJA (150 °C/W) | Limited to lower-energy transients; less suitable for IEC 61000-4-5 Level 4 or automotive load dump | Select when board space allows larger package and surge energy requirements are ≤400 W |
| SMCJ100CA | Higher PPPM (1500 W), same VWM/VC; SMC package (DO-214AB), 50% larger footprint and higher mounting thermal resistance | Overqualified for most 600 W applications; introduces unnecessary cost and layout overhead | Choose only when legacy designs require SMC footprint or future-proofing for >1 kW surges is mandated |
Compared with SMAJ100CA and SMCJ100CA, the P6SMB100CA-E3/52 delivers optimal balance of 600 W surge capability, SMB footprint efficiency, and thermal performance (RθJL = 20 °C/W), making it the preferred choice for space-constrained industrial and automotive PCBs requiring precise IEC-compliant clamping.
Availability
P6SMB100CA-E3/52 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC analog inputs, and telecom line card protection requiring stable component supply, RoHS-compliant manufacturing, and traceable lot-level documentation.
Supply support for P6SMB100CA-E3/52 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, and protection devices with emphasis on reliability, ruggedness, and application-specific qualification.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and telecom systems, designed to meet stringent surge immunity standards while supporting automated SMT assembly and long-term field operation.
FAQ
What is the clamping voltage of P6SMB100CA-E3/52 at its rated peak pulse current?
The P6SMB100CA-E3/52 has a maximum clamping voltage (VC) of 137 V at its specified peak pulse current (IPPM) of 4.4 A, measured using the standardized 10/1000 μs double-exponential waveform. This value is guaranteed across the full operating temperature range and defines the upper voltage limit imposed on protected circuitry during transient events. The P6SMB100CA-E3/52 maintains this clamping performance due to its low incremental surge resistance and symmetric bidirectional structure.
Is P6SMB100CA-E3/52 suitable for automotive applications?
The P6SMB100CA-E3/52 itself is commercial-grade (E3 suffix), but Vishay offers AEC-Q101 qualified variants under HE3 and HM3 suffixes (e.g., P6SMB100CAHE3_B). These qualified versions undergo stress testing per AEC-Q101 and are approved for automotive use in engine control units, body electronics, and ADAS sensors. For non-automotive designs, the P6SMB100CA-E3/52 remains fully compatible with automotive PCB layouts and thermal requirements.
How does the bidirectional design of P6SMB100CA-E3/52 affect its circuit implementation?
The bidirectional design of P6SMB100CA-E3/52 means it provides identical clamping behavior for both positive and negative voltage transients, eliminating the need for polarity awareness during placement. It is installed directly across the protected line and ground (or between differential lines), with no cathode band marking required. This simplifies layout in AC-coupled interfaces like RS-485, CAN, or audio lines, where polarity reversal or differential signaling would otherwise demand two unidirectional devices.
What is the thermal resistance profile of P6SMB100CA-E3/52, and how does it impact PCB layout?
The P6SMB100CA-E3/52 has a typical junction-to-lead thermal resistance (RθJL) of 20 °C/W and junction-to-ambient resistance (RθJA) of 100 °C/W when mounted on minimum recommended 0.2" × 0.2" copper pads. To maintain safe junction temperatures under repetitive surges, PCB layout must follow Vishay's pad dimensions (0.220" × 0.130") and avoid excessive trace length between the P6SMB100CA-E3/52 and ground plane. Thermal vias under pads further reduce RθJA in high-power applications.
Does P6SMB100CA-E3/52 meet RoHS and halogen-free requirements?
Yes, the P6SMB100CA-E3/52 carries the E3 suffix, indicating full RoHS compliance per EU Directive 2011/65/EU and exemption 7a. It contains no lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE). While not halogen-free (that requires M3 suffix), the P6SMB100CA-E3/52 uses brominated flame-retardant molding compound meeting UL 94 V-0, and all plating complies with JESD201 Class 2 whisker resistance.
P6SMB100CA-E3/52 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:
- Active
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB100CA-E3/52 FAQ
1.How can I place an order for P6SMB100CA-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB100CA-E3/52 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 P6SMB100CA-E3/52 reliable?
The price and inventory of P6SMB100CA-E3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB100CA-E3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB100CA-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB100CA-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB100CA-E3/52?
P6SMB100CA-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB100CA-E3/52 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 P6SMB100CA-E3/52?
For technical support, including P6SMB100CA-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB100CA-E3/52 requirements.
6.How does Aetrix verify that P6SMB100CA-E3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB100CA-E3/52 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 P6SMB100CA-E3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB100CA-E3/52?
All P6SMB100CA-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB100CA-E3/52, 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 P6SMB100CA-E3/52 part is unused and in its original packaging.
Return procedure for P6SMB100CA-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB100CA-E3/52 Tags
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