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Taiwan Semiconductor Corporation P6SMB13CAH
- Part No.:
- P6SMB13CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB13CAH.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,987
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Product details
Overview
P6SMB13CAH from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a breakdown voltage range of 12.4 V to 13.7 V, clamping voltage of 18.2 V at 34 A peak pulse current, and standoff voltage of 11.1 V - designed for automotive-grade ESD and electrical fast transient (EFT) protection in power supply rails and signal lines.
For engineers reviewing the P6SMB13CAH datasheet, P6SMB13CAH pinout, P6SMB13CAH application, or P6SMB13CAH equivalent, key selection criteria include its AEC-Q101 qualification, DO-214AA (SMB) package compatibility, bidirectional clamping behavior, low leakage (<1 µA @ 11.1 V), and ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance for automotive electronics robustness.
Technical Context
The P6SMB13CAH operates as a bidirectional avalanche diode, leveraging glass-passivated junction technology to deliver symmetrical clamping in both polarities. Its 10/1000 µs waveform rating supports 600 W non-repetitive peak pulse power dissipation, with thermal resistance RθJA = 55 °C/W enabling reliable operation up to TJ = 150 °C.
It meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1, ensuring suitability for lead-free reflow assembly. The device exhibits a temperature coefficient of VBR = 0.081 %/°C and fast response time <1.0 ps - critical for suppressing sub-nanosecond transients in CAN, LIN, and sensor interface circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4 V / 13.7 V - defines guaranteed avalanche conduction onset across production lot and temperature range |
| VWM | 11.1 V - maximum continuous reverse operating voltage before significant leakage begins |
| VC @ IPPM | 18.2 V @ 34 A - peak clamped voltage during 10/1000 µs surge, limiting downstream IC stress |
| PPPSM | 600 W - peak pulse power handling capacity per single transient event |
| IR @ VWM | <1 µA - ultra-low reverse leakage preserves battery life in always-on automotive modules |
| TJ max | +150 °C - enables under-hood deployment without derating in engine control units |
| Package | DO-214AA (SMB) - industry-standard SMT footprint with 0.090 g mass and UL 94V-0 molding compound |
Pinout & Package
DO-214AA (SMB) surface-mount package with cathode band marking; two-terminal bidirectional configuration - no polarity-sensitive mounting required. Matte tin-plated leads comply with J-STD-002 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient conduction path | Both terminals function identically in bidirectional mode - connected across protected line and ground or between differential lines |
| Cathode band (marking) | Polarity indicator (for reference only) | Present on package but electrically irrelevant for CAH-series bidirectional operation; used only for traceability and orientation verification |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, body electronics, and ADAS sensors |
| Glass passivated junction | Ensures stable VBR over lifetime and immunity to humidity-induced parameter drift |
| ISO 7637-2 compliance (Pulse 1/2a/2b/3a/3b) | Guarantees survivability against load dump, inductive switching, and coupled EFT noise in 12 V vehicle systems |
| Moisture sensitivity level 1 | Zero floor-life limitation - can be mounted directly from reel without baking |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU Directive 2011/65/EU for green manufacturing and end-of-life recycling |
Applications
| Automotive Power Rail Protection | CAN/LIN Bus Transient Suppression |
|---|---|
Use Scenario: Protecting 12 V battery-fed microcontrollers and power management ICs from load dump and alternator ripple. IC Role / Device Role / Timing Role: Bidirectional shunt clamp placed between VBAT and GND to divert surge energy before it reaches downstream regulators. Use Value: Limits rail voltage to ≤18.2 V during 600 W transients, preventing latch-up or permanent damage to 20 V-rated LDOs and MCUs. | Use Scenario: Safeguarding high-speed CAN FD and LIN transceivers from ESD events and coupled EFT pulses on bus lines. IC Role / Device Role / Timing Role: Differential or common-mode TVS connected across CAN_H/CAN_L or LIN bus and chassis ground. Use Value: Sub-1 ps response ensures clamping occurs before transceiver input stages are overstressed, preserving signal integrity and bit error rate. |
| LED Lighting Driver Protection | Industrial Sensor Interface Protection |
Use Scenario: Shielding constant-current LED drivers in headlamp modules from ignition-induced spikes and relay bounce. IC Role / Device Role / Timing Role: Parallel-connected TVS on driver output to absorb inductive kickback from solenoid-controlled optics. Use Value: Withstands repetitive 100 A surge peaks (IFSM = 100 A) while maintaining <1 µA leakage to avoid dimming artifacts in PWM-controlled arrays. | Use Scenario: Securing analog front-ends of pressure, temperature, and position sensors exposed to field wiring in factory automation. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp on sensor signal lines referenced to local ground or shield. Use Value: Junction capacitance <100 pF (measured at VWM) avoids signal attenuation or phase shift in 10 kHz–1 MHz sensor outputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA | Same DO-214AA package, identical VBR (12.4–13.7 V), but rated for 600 W with slightly higher VC = 21.5 V @ 28 A | Higher clamping voltage reduces margin for 15 V-tolerant ICs; lower IPPM limits energy absorption in long-duration surges | Select SMBJ13CA only if legacy design uses it and layout cannot accommodate revised clamping margin |
| 1.5SMC13CA | Larger DO-214AB (SMC) package, same electrical specs, 1.5 kW peak power rating | Requires PCB pad redesign; suited for industrial systems needing higher surge endurance beyond automotive requirements | Choose 1.5SMC13CA when system-level testing reveals marginal performance with 600 W rating and board space permits larger footprint |
Compared with SMBJ13CA and 1.5SMC13CA, the P6SMB13CAH delivers optimal balance of AEC-Q101 validation, compact SMB footprint, and precise 18.2 V clamping - making it the preferred choice for space-constrained automotive ECUs where qualification and consistency are mandatory.
Availability
P6SMB13CAH is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, and LED lighting systems requiring stable component supply with full AEC-Q101 traceability and RoHS/halogen-free compliance.
Supply support for P6SMB13CAH 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in TVS diodes, rectifiers, MOSFETs, and power management devices for automotive and industrial markets.
The P6SMB series was developed specifically to meet stringent AEC-Q101 and ISO 7637-2 requirements for next-generation automotive electronics - emphasizing reliability, low leakage, and repeatable clamping performance under thermal stress.
FAQ
What does the "CAH" suffix indicate in P6SMB13CAH?
The "CAH" suffix denotes a bidirectional configuration with tightened breakdown voltage tolerance (12.4 V to 13.7 V) and AEC-Q101 qualification. Unlike unidirectional "H" variants, the P6SMB13CAH provides symmetrical clamping in both polarities - essential for protecting differential buses like CAN or AC-coupled signal paths without polarity concerns.
Is P6SMB13CAH compatible with lead-free reflow soldering processes?
Yes, P6SMB13CAH features matte tin-plated leads qualified per J-STD-002 and supports standard lead-free reflow profiles up to 260 °C peak temperature. Its DO-214AA (SMB) package has been validated for IPC-J-STD-020 moisture sensitivity level 1, eliminating the need for pre-baking prior to assembly - reducing manufacturing overhead and defect risk.
How does P6SMB13CAH perform under repeated transient stress?
P6SMB13CAH is rated for non-repetitive 10/1000 µs surges; however, its glass-passivated junction and 150 °C maximum junction temperature enable robust performance across multiple transient events when thermally managed. Derating curves (Fig. 2) confirm ≥80% of 600 W capability remains at 75 °C ambient - supporting use in engine bay modules with adequate copper pour.
Can P6SMB13CAH replace a unidirectional TVS in an existing design?
Yes, P6SMB13CAH can replace unidirectional variants (e.g., P6SMB13H) in most cases, provided the circuit does not rely on forward conduction behavior. As a bidirectional device, it clamps equally in both directions - simplifying layout by removing polarity constraints, though forward voltage drop (VF) is not specified for CAH types since they are not intended for DC forward conduction.
What is the significance of the 0.081 %/°C temperature coefficient for P6SMB13CAH?
The 0.081 %/°C temperature coefficient quantifies how VBR shifts with junction temperature: for every 10 °C rise, VBR increases by ~0.081%. This predictable positive drift ensures clamping remains effective across –55 °C to +150 °C operating range - critical for automotive applications where cold cranking and under-hood heat coexist.
P6SMB13CAH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 34A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB13CAH FAQ
1.How can I place an order for P6SMB13CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB13CAH 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 P6SMB13CAH reliable?
The price and inventory of P6SMB13CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB13CAH is usually 5 days.
3.What payment methods are accepted for P6SMB13CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB13CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB13CAH?
P6SMB13CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB13CAH 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 P6SMB13CAH?
For technical support, including P6SMB13CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB13CAH requirements.
6.How does Aetrix verify that P6SMB13CAH is sourced from the original manufacturer or authorized distributors?
All P6SMB13CAH 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 P6SMB13CAH meets industry standards.
7.What is the process for return or replacement of P6SMB13CAH?
All P6SMB13CAH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB13CAH, 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 P6SMB13CAH part is unused and in its original packaging.
Return procedure for P6SMB13CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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