Taiwan Semiconductor Corporation P6SMB13H
- Part No.:
- P6SMB13H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB13H.pdf
- Description:
- 600W, 13V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:

- Shipping:

Inventory:8,085
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Product details
Overview
P6SMB13H from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a breakdown voltage range of 11.7–14.3 V, stand-off voltage of 10.5 V, and clamping voltage of 19.0 V at 33 A peak pulse current. It is designed for automotive-grade ESD and electrical fast transient (EFT) protection in power supply rails and signal lines.
For engineers reviewing the P6SMB13H datasheet, P6SMB13H pinout, P6SMB13H application, or P6SMB13H equivalent, key selection criteria include its AEC-Q101 qualification, DO-214AA (SMB) package compatibility, 1.0 mA test current specification, <1 µA reverse leakage at VWM, and ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance - all critical for robust automotive and industrial transient suppression.
Technical Context
The P6SMB13H employs a glass-passivated silicon junction to achieve fast response time (<1.0 ps from 0 V to VBR min) and stable clamping performance under repetitive transients. Its thermal resistance (RθJC = 10 °C/W, RθJA = 55 °C/W) supports reliable operation up to +150 °C junction temperature.
This unidirectional TVS operates with polarity-marked cathode band, exhibits low forward voltage (VF = 3.5 V @ 50 A), and meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1 - enabling high-yield automated SMT assembly without pre-baking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.7 V / 14.3 V - defines guaranteed breakdown onset range under 1.0 mA test current; ensures predictable clamping initiation |
| VWM | 10.5 V - maximum continuous reverse operating voltage; sets safe DC bias margin before leakage rises |
| IPPM | 33 A - peak pulse current at 10/1000 µs waveform; determines surge handling capacity in real-world transients |
| VC @ IPPM | 19.0 V - clamped voltage during 33 A surge; directly limits stress on downstream ICs and circuitry |
| PPPSM | 600 W - non-repetitive peak pulse power rating; validates capability against ISO 7637-2 Pulse 1 & 2b events |
| ID @ VWM | <1 µA - ultra-low reverse leakage at stand-off voltage; preserves low-power system integrity and battery life |
| TJ max | +150 °C - maximum junction temperature; enables use in under-hood automotive environments and high-ambient industrial settings |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, single-diode configuration with cathode band marking. Matte tin-plated leads meet J-STD-002 solderability requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or lower-potential node; forms return path during clamping |
| Cathode | High-side transient input terminal | Connected to protected line (e.g., 12 V rail); conducts surge current to ground when VBR exceeded |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test standard - enables direct use in engine control, body electronics, and ADAS modules |
| Glass passivated junction | Enhances long-term reliability and moisture resistance vs. epoxy-passivated alternatives; critical for under-hood longevity |
| ISO 7637-2 compliance | Withstands Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (EFT) - eliminates need for external filtering |
| DO-214AA (SMB) footprint | Standardized 4.57 × 3.94 mm outline with 2.3 mm height - compatible with existing automotive PCB layouts and pick-and-place tooling |
| Moisture Sensitivity Level 1 | No baking required prior to reflow; reduces manufacturing cost and avoids thermal damage risk during assembly |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 12 V supply lines in vehicle infotainment head units from load dump and alternator ripple. IC Role / Device Role: Unidirectional TVS placed between battery rail and DC-DC converter input. Use Value: Clamps transients to ≤19.0 V, preventing overvoltage shutdown or latch-up of downstream PMICs rated for 20 V max input. |
Use Scenario: Shielding analog sensor inputs (e.g., pressure, temperature) in PLC I/O modules from EFT coupling. IC Role / Device Role: TVS mounted at connector entry point, shunting fast transients before signal conditioning amplifiers. Use Value: Sub-1 ps response captures nanosecond-level EFT pulses; <1 µA leakage avoids DC offset errors in µA-level sensor signals. |
| LED Lighting Driver Protection | Automotive CAN Transceiver Protection |
|
Use Scenario: Safeguarding constant-current LED drivers in commercial vehicle lighting against switching surges. IC Role / Device Role: TVS across driver output terminals to absorb inductive kickback from relay-controlled loads. Use Value: 600 W peak power rating handles repeated 8.3 ms half-sine surges up to 100 A (IFSM), extending driver lifetime. |
Use Scenario: Adding secondary protection to CAN_H/CAN_L lines in gateway ECUs exposed to board-level ESD. IC Role / Device Role: Bidirectional variant not used; P6SMB13H applied on power rail feeding CAN transceiver, not data lines. Use Value: 10.5 V VWM aligns with 12 V nominal bus; clamping at 19.0 V prevents transceiver VCC overvoltage while preserving common-mode range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | Same DO-214AA package, bidirectional, VBR = 14.4–15.9 V, VC = 21.5 V @ 28.5 A | Supports AC-coupled or dual-rail protection; higher clamping voltage reduces margin for 12 V systems | Select SMBJ13A only if bidirectional clamping is required; otherwise P6SMB13H offers tighter VBR tolerance and lower VC. |
| 1.5SMC13A | DO-214AB (SMC) package, larger footprint (7.11 × 6.22 mm), same VBR/VC specs but 1500 W rating | Used where higher surge energy (e.g., ISO 7637-2 Pulse 5a) demands larger thermal mass | Choose 1.5SMC13A only when PCB space allows and >600 W pulse power is needed; P6SMB13H optimizes for compact automotive layouts. |
Compared with SMBJ13A and 1.5SMC13A, the P6SMB13H delivers optimal balance of AEC-Q101 qualification, compact DO-214AA footprint, and precise 11.7–14.3 V breakdown for 12 V system protection - making it preferred for space-constrained automotive modules where unidirectional clamping suffices.
Availability
P6SMB13H is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and LED lighting driver surge suppression requiring stable component supply across multi-year production cycles.
Supply support for P6SMB13H 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 semiconductor manufacturer specializing in discrete power devices, TVS diodes, and rectifiers with global automotive and industrial certifications.
The P6SMB13H belongs to TSC's AEC-Q101-qualified P6SMBxH series, engineered specifically for high-reliability transient suppression in automotive subsystems and harsh-environment industrial controls.
FAQ
What is the polarity configuration of the P6SMB13H?
The P6SMB13H is a unidirectional TVS diode with cathode band marking on the DO-214AA package. It conducts only when the cathode is biased positively relative to the anode, making it suitable for DC rail protection where polarity is fixed. This differs from bidirectional variants like P6SMB13AH, which suppress transients in both directions.
Does the P6SMB13H meet automotive qualification standards?
Yes, the P6SMB13H is AEC-Q101 qualified and compliant with ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test waveforms. Its construction - including glass passivation, JESD201 Class 2 whisker resistance, and MSL Level 1 - satisfies automotive electronics reliability requirements for under-hood and cabin applications.
What is the maximum clamping voltage of the P6SMB13H under surge conditions?
The P6SMB13H has a maximum clamping voltage (VC) of 19.0 V at 33 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during standardized surge events.
Can the P6SMB13H be used in place of the P6SMB13AH?
No - the P6SMB13H is unidirectional, while the P6SMB13AH is bidirectional. They share identical VBR, VWM, and VC values but differ in conduction behavior: P6SMB13AH clamps in both polarities, whereas P6SMB13H only clamps reverse surges. Substitution requires verifying system polarity constraints and transient directionality.
What is the thermal resistance profile of the P6SMB13H?
The P6SMB13H has a junction-to-case thermal resistance (RθJC) of 10 °C/W and junction-to-ambient resistance (RθJA) of 55 °C/W at 25 °C ambient. These values enable effective heat dissipation in typical SMB pad layouts and support continuous operation up to +150 °C junction temperature in automotive environments.
P6SMB13H 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10.5V
- Voltage - Breakdown (Min):
- 11.7V
- Voltage - Clamping (Max) @ Ipp:
- 19V
- Current - Peak Pulse (10/1000µs):
- 33A
- 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)
P6SMB13H FAQ
1.How can I place an order for P6SMB13H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB13H 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 P6SMB13H reliable?
The price and inventory of P6SMB13H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB13H is usually 5 days.
3.What payment methods are accepted for P6SMB13H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB13H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB13H?
P6SMB13H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB13H 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 P6SMB13H?
For technical support, including P6SMB13H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB13H requirements.
6.How does Aetrix verify that P6SMB13H is sourced from the original manufacturer or authorized distributors?
All P6SMB13H 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 P6SMB13H meets industry standards.
7.What is the process for return or replacement of P6SMB13H?
All P6SMB13H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB13H, 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 P6SMB13H part is unused and in its original packaging.
Return procedure for P6SMB13H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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