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Vishay General Semiconductor - Diodes Division P6SMB100CA-M3/5B
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- Part No.:
- P6SMB100CA-M3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB100CA-M3/5B.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,178
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Product details
Overview
P6SMB100CA-M3/5B from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection on signal and power lines. It features a 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 capability with a 10/1000 μs waveform - deployed in industrial sensor interfaces, automotive ECUs, and telecom line protection.
For engineers reviewing the P6SMB100CA-M3/5B datasheet, P6SMB100CA-M3/5B pinout, P6SMB100CA-M3/5B application, or P6SMB100CA-M3/5B equivalent, this device delivers verified bidirectional clamping performance, halogen-free RoHS compliance (M3 suffix), and SMB (DO-214AA) package compatibility for automated SMT assembly in high-reliability transient suppression circuits.
Technical Context
The P6SMB100CA-M3/5B operates as a symmetrical avalanche diode, conducting equally in both directions when reverse voltage exceeds its breakdown threshold of 95–105 V (VBR at 1 mA). Its low incremental surge resistance ensures minimal voltage overshoot during fast transients, while the glass-passivated junction enables stable long-term reliability under repetitive surge stress.
Thermally, it supports operation from –65 °C to +150 °C junction temperature, with RθJA = 100 °C/W and RθJL = 20 °C/W. The device meets J-STD-020 MSL Level 1 (peak reflow ≤ 260 °C) and is halogen-free per IEC 61249-2-21, confirmed by the M3 suffix.
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/AC working margin. |
| VBR (Breakdown Voltage) | 95.0–105 V at 1 mA - Precise symmetric avalanche initiation point in both directions; critical for predictable clamping onset. |
| VC (Clamping Voltage) | 137 V at IPPM = 4.4 A - Peak voltage seen by protected circuit during 10/1000 μs surge; determines downstream component stress. |
| PPPM (Peak Pulse Power) | 600 W - Sustained transient energy handling capacity under standardized 10/1000 μs waveform at 0.01% duty cycle. |
| ID (Reverse Leakage) | 1.0 μA max at VWM - Ultra-low leakage preserves signal integrity and minimizes standby power loss in high-impedance nodes. |
| Package | SMB (DO-214AA) - Standardized 2-pin surface-mount outline with 5.59 mm × 4.06 mm footprint; optimized for automated placement and thermal pad layout. |
| TJ max | +150 °C - Enables deployment in under-hood automotive, industrial motor drives, and enclosed power supplies without derating. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional - no polarity marking; symmetrical terminal configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically; conducts surge current in either direction once VBR is exceeded - no cathode band required. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional 600 W clamping | Enables single-device protection of AC-coupled or differential signal lines (e.g., RS-485, CAN FD, Ethernet PHY) without polarity concerns. |
| Halogen-free & RoHS-compliant (M3) | Meets IPC-1752A material declaration requirements and environmental compliance mandates for global industrial and automotive shipments. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow profile use (peak 260 °C) without baking - reduces manufacturing overhead and risk of popcorning. |
| Low clamping ratio (VC/VBR ≈ 1.37) | Minimizes overvoltage exposure to downstream ICs (e.g., microcontrollers, transceivers) during ESD or lightning-induced surges. |
| 150 °C maximum junction temperature | Supports operation in sealed enclosures or near heat sources (e.g., power converters, motor drivers) without thermal shutdown or degradation. |
Applications
| Industrial Sensor Interface | Automotive Body Control Module |
|---|---|
|
Use Scenario: Protecting analog voltage outputs (0–10 V) and digital I/O lines of pressure/temperature sensors exposed to relay coil flyback and EMI in factory automation cabinets. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector entry to shunt transients before reaching ADC input or GPIO protection diodes. Use Value: Limits induced surge voltage to ≤137 V, preventing latch-up or permanent damage to 12-bit SAR ADCs and isolated digital isolators. |
Use Scenario: Safeguarding LIN bus transceiver inputs and microcontroller reset lines against load dump and jump-start events in vehicle door modules. IC Role / Device Role / Timing Role: Primary front-end transient suppressor on 12 V supply rail and LIN data line, operating alongside ceramic capacitors and ferrite beads. Use Value: Withstands 600 W pulses per ISO 7637-2 Pulse 1/2/5a, enabling AEC-Q101-compliant system certification using M3-grade variant. |
| Telecom Line Card Protection | Consumer USB-C Power Delivery Port |
|
Use Scenario: Shielding Ethernet PHY magnetics secondary side and PoE interface circuitry from induced surges on outdoor cabling in enterprise switches. IC Role / Device Role / Timing Role: Secondary-side TVS across differential pairs (e.g., TX+/TX−) and common-mode choke outputs to suppress asymmetrical transients. Use Value: Clamps 10/1000 μs surges to <140 V, preserving IEEE 802.3af/at compliance and avoiding PHY IC reset or PHY register corruption. |
Use Scenario: Guarding CC1/CC2 pins and VBUS line in USB-C receptacles against ESD (IEC 61000-4-2 ±15 kV contact) and hot-plug voltage spikes. IC Role / Device Role / Timing Role: Fast-response bidirectional clamp mounted adjacent to connector, coordinated with low-capacitance ESD arrays for multi-stage protection. Use Value: Sub-1 ns response time and 1.0 μA leakage at 85.5 V ensure no signal distortion on CC logic lines while passing USB-IF ESD validation. |
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 (85.5 V) and VC (137 V), but lower PPPM (400 W); SMA package (smaller footprint, higher RθJA). | Limited to lower-energy transients (e.g., board-level ESD only); unsuitable for lightning-surge-prone telecom or industrial field wiring. | Select when space constraints dominate and surge threat level is limited to IEC 61000-4-2/4-4, not IEC 61000-4-5. |
| 1.5KE100CA | Higher PPPM (1500 W), axial-leaded DO-201 package; larger size, manual assembly only; VWM = 85.5 V, VC = 137 V. | Used in legacy through-hole designs or high-energy AC mains protection where PCB real estate and automation are secondary. | Choose for prototyping, repair, or cost-sensitive non-SMT applications requiring >600 W rating - not for new SMT production. |
Compared with SMAJ100CA and 1.5KE100CA, the P6SMB100CA-M3/5B uniquely balances 600 W surge capability, SMB SMT compatibility, halogen-free compliance, and bidirectional symmetry - making it optimal for volume-manufactured industrial and automotive electronics requiring automated assembly and regulatory traceability.
Availability
P6SMB100CA-M3/5B is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body control modules, and telecom line card protection requiring stable component supply, full M3 material compliance, and consistent SMB package form factor.
Supply support for P6SMB100CA-M3/5B 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, rectifiers, MOSFETs, and TVS devices with emphasis on reliability, ruggedness, and application-specific qualification.
The P6SMB Series targets high-energy transient suppression in harsh environments - engineered for automotive (AEC-Q101), industrial, and telecom systems where repeatable clamping performance and long-term stability under surge stress are mandatory.
FAQ
What is the clamping voltage of the P6SMB100CA-M3/5B at its rated peak pulse current?
The P6SMB100CA-M3/5B has a maximum clamping voltage (VC) of 137 V when subjected to its specified peak pulse current (IPPM) of 4.4 A under the 10/1000 μs waveform. This value is measured per Figure 1 in Vishay document 88370 and defines the upper voltage limit imposed on protected circuitry during transient events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is the P6SMB100CA-M3/5B suitable for automotive applications?
Yes, the P6SMB100CA-M3/5B is halogen-free and RoHS-compliant (M3 suffix), and the P6SMB100CA-M3/5B family offers AEC-Q101 qualified variants (e.g., P6SMB100CAHM3_B). While the exact P6SMB100CA-M3/5B part number is commercial-grade, its construction, thermal rating (TJ max = +150 °C), and surge performance align with automotive subsystem requirements - especially when used in non-safety-critical modules like infotainment or lighting controllers.
How does the bidirectional design of the P6SMB100CA-M3/5B affect its circuit placement?
The P6SMB100CA-M3/5B has no polarity marking and functions identically in both directions, allowing direct placement across AC-coupled lines, differential buses (e.g., RS-485, CAN), or uncommitted power rails without orientation checks. This eliminates assembly errors and simplifies layout - unlike unidirectional TVS diodes, the P6SMB100CA-M3/5B requires no cathode alignment during pick-and-place or inspection.
What is the thermal resistance of the P6SMB100CA-M3/5B, and how does it impact PCB layout?
The P6SMB100CA-M3/5B has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W and junction-to-lead (RθJL) of 20 °C/W. To maintain reliability under repeated surges, PCB layout must follow Vishay's recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal - undersized pads increase thermal impedance and risk premature failure during high-duty-cycle transients.
Does the P6SMB100CA-M3/5B meet moisture sensitivity level (MSL) requirements for lead-free reflow?
Yes, the P6SMB100CA-M3/5B meets J-STD-020 MSL Level 1, with a maximum peak reflow temperature of 260 °C. This allows indefinite floor life and compatibility with standard lead-free reflow profiles without pre-baking - a key advantage for high-throughput SMT lines producing industrial and automotive electronics where moisture-related defects must be eliminated.
P6SMB100CA-M3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Box (TB)
- 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-M3/5B FAQ
1.How can I place an order for P6SMB100CA-M3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB100CA-M3/5B 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 P6SMB100CA-M3/5B reliable?
The price and inventory of P6SMB100CA-M3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB100CA-M3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB100CA-M3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB100CA-M3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB100CA-M3/5B?
P6SMB100CA-M3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB100CA-M3/5B 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 P6SMB100CA-M3/5B?
For technical support, including P6SMB100CA-M3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB100CA-M3/5B requirements.
6.How does Aetrix verify that P6SMB100CA-M3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB100CA-M3/5B 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 P6SMB100CA-M3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB100CA-M3/5B?
All P6SMB100CA-M3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB100CA-M3/5B, 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 P6SMB100CA-M3/5B part is unused and in its original packaging.
Return procedure for P6SMB100CA-M3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB100CA-M3/5B Tags
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