Taiwan Semiconductor Corporation P6SMB13CH
- Part No.:
- P6SMB13CH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB13CH.pdf
- Description:
- 600W, 13V, 10%, BIDIRECTIONAL, T
- Quantity:
- Payment:

- Shipping:

Inventory:5,961
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Product details
Overview
P6SMB13CH from Taiwan Semiconductor is a unidirectional 600W transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, designed for high-energy surge protection in automotive and industrial power rails. It features a breakdown voltage range of 11.7–14.3 V at 1.0 mA test current, clamps transients to ≤19.0 V at 33 A peak pulse current, and meets ISO 7637-2 Pulse 1/2a/2b/3a/3b immunity requirements for vehicle electronics.
For engineers reviewing the P6SMB13CH datasheet, P6SMB13CH pinout, P6SMB13CH application, or P6SMB13CH equivalent, this device serves as a robust, AEC-Q101 qualified solution for protecting 12 V DC systems against ESD, load dump, and inductive switching transients - with low leakage (<1 µA @ 10.5 V), fast response (<1.0 ps), and glass-passivated junction reliability.
Technical Context
The P6SMB13CH operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its minimum breakdown threshold (11.7 V). Its clamping action limits transient energy to ≤19.0 V at 33 A (10/1000 µs waveform), enabling reliable protection of downstream ICs and MOSFETs without latch-up or thermal runaway.
Designed for surface-mount assembly on 12 V automotive subsystems, it leverages a glass-passivated junction for stable VBR temperature coefficient (0.081 %/°C) and withstands junction temperatures up to +150 °C. Its DO-214AA package supports automated placement and meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.7 V / 14.3 V at 1.0 mA - defines precise turn-on window for predictable clamping onset in 12 V systems |
| VWM | 10.5 V - maximum continuous reverse operating voltage; ensures no conduction during normal 12 V rail operation |
| VC @ IPPM | 19.0 V at 33 A (10/1000 µs) - peak clamped voltage seen by protected circuit under worst-case surge |
| PPPSM | 600 W - non-repetitive surge power handling capacity, sufficient for ISO 7637-2 Pulse 1 and Load Dump events |
| IR @ VWM | <1 µA - ultra-low reverse leakage preserves system standby current budget in always-on modules |
| TJ max | +150 °C - enables deployment in under-hood environments without derating concerns |
| Package | DO-214AA (SMB) - industry-standard SMT footprint with 0.090 g mass and matte tin-plated leads per J-STD-002 |
Pinout & Package
DO-214AA (SMB) surface-mount package with cathode band marking; two-terminal unidirectional configuration. Cathode terminal is marked by a band on the body; anode is unmarked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or low-impedance return path; completes clamping loop during transient |
| Cathode | Protected line input | Connected to 12 V supply rail; absorbs surge energy into ground via anode when VREV > VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock per stress test plan |
| Glass-passivated junction | Ensures long-term VBR stability and low parameter drift across 15-year service life in harsh environments |
| ISO 7637-2 compliance | Guarantees functional immunity to standardized automotive transients (Pulse 1, 2a, 2b, 3a, 3b) without external filtering |
| Moisture sensitivity level 1 | Enables standard SMT reflow without baking or special handling per J-STD-020 |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive for environmentally constrained production programs |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting microcontroller GPIO and CAN transceiver power pins from load-dump spikes during alternator regulation faults. IC Role / Device Role / Timing Role: Unidirectional TVS placed between 12 V rail and ground, clamping surges before they reach LDOs and interface ICs. Use Value: Limits peak voltage to 19.0 V during 600 W transients, preventing damage to 24 V-tolerant but 30 V-max rated power management ICs. |
Use Scenario: Safeguarding 24 V digital input channels in programmable logic controllers exposed to inductive relay coil kickback. IC Role / Device Role / Timing Role: Front-end transient absorber on field-side input traces, shunting energy away from optocoupler drivers and signal conditioners. Use Value: Clamps 33 A pulses within 1.0 ps, maintaining <1 µA leakage at 10.5 V to avoid false triggering in high-impedance sensing circuits. |
| LED Headlamp Driver Power Stage | Automotive Infotainment Power Supply |
Use Scenario: Shielding buck controller ICs and gate drivers from ESD and switching noise in adaptive front-lighting systems. IC Role / Device Role / Timing Role: Localized rail clamp adjacent to power MOSFETs and driver ICs, minimizing trace inductance in high-di/dt paths. Use Value: Withstands repeated 10/1000 µs surges up to 600 W while maintaining 0.081 %/°C VBR drift for consistent protection across -40 °C to +125 °C ambient. |
Use Scenario: Providing secondary-level surge suppression on 5 V/3.3 V DC-DC outputs feeding audio processors and display controllers. IC Role / Device Role / Timing Role: Downstream TVS after primary 12 V rail protection, guarding against internally generated transients from USB or HDMI hot-plug events. Use Value: Delivers 19.0 V clamping at 33 A with <1 µA leakage, ensuring no impact on low-noise analog supply integrity or standby power consumption. |
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 | Bidirectional variant; VBR = 14.4–15.9 V; same 600 W rating and DO-214AA package | Required where bidirectional protection is needed (e.g., data lines, AC-coupled signals) | Select SMBJ13A only if symmetrical clamping in both polarities is mandated; P6SMB13CH offers lower VWM (10.5 V vs. 11.1 V) for tighter 12 V rail margin |
| 1.5SMC13A | Same VBR range (11.7–14.3 V) and unidirectional function, but in larger DO-214AB (SMC) package (2.5 mm height vs. 2.2 mm) | Used where higher thermal mass or legacy board space allows larger footprint | Choose 1.5SMC13A only if PCB layout permits SMC pad dimensions; P6SMB13CH saves 25% board area and supports finer-pitch automated placement |
Compared with SMBJ13A and 1.5SMC13A, the P6SMB13CH delivers optimal fit for space-constrained, unidirectional 12 V automotive rails - offering the lowest profile DO-214AA package, tightest VWM/VBR margin (10.5 V / 11.7 V), and AEC-Q101 validation out-of-box without qualification overhead.
Availability
P6SMB13CH is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, LED lighting drivers, and infotainment power supplies requiring stable component supply and AEC-Q101 compliance.
Supply support for P6SMB13CH 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 high-reliability protection devices and power components.
The P6SMB13CH belongs to TSC's AEC-Q101 qualified P6SMB series of surface-mount TVS diodes, engineered specifically for automotive and industrial transient immunity where compact size, low leakage, and repeatable clamping performance are critical.
FAQ
What is the polarity configuration of the P6SMB13CH?
The P6SMB13CH is a unidirectional TVS diode with cathode marked by a band on the DO-214AA package body. It conducts only during reverse-biased overvoltage events - forward voltage drop is 3.5 V at 50 A, confirming its intended use as a rail-to-ground clamp on positive 12 V systems. This polarity ensures zero conduction during normal operation and precise clamping onset above VBR.
Does the P6SMB13CH meet automotive qualification standards?
Yes, the P6SMB13CH is AEC-Q101 qualified and tested per the full stress test schedule for transient voltage suppressors, including temperature cycling, high-temperature operating life, and ESD robustness. It also complies with ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b waveforms - making it suitable for direct integration into automotive power distribution networks without additional qualification effort.
What is the maximum clamping voltage of the P6SMB13CH under surge conditions?
The P6SMB13CH clamps to a maximum of 19.0 V at 33 A peak pulse current using the standardized 10/1000 µs waveform. This value is guaranteed across the full operating temperature range and represents the highest voltage that downstream circuitry will experience during a 600 W transient event - enabling safe interfacing with 24 V-tolerant ICs and MOSFETs rated for ≤30 V absolute maximum.
How does the P6SMB13CH compare to the P6SMB13AH variant?
The P6SMB13CH has a breakdown voltage range of 11.7–14.3 V, while the P6SMB13AH variant specifies 12.4–13.7 V - offering tighter VBR tolerance for applications requiring more precise clamping thresholds. Both share identical package, power rating (600 W), clamping voltage (19.0 V / 18.2 V), and AEC-Q101 qualification; selection depends on required VBR spread versus design margin needs.
Is the P6SMB13CH compatible with lead-free reflow soldering processes?
Yes, the P6SMB13CH uses matte tin-plated leads compliant with J-STD-002 and is rated for moisture sensitivity level 1 per J-STD-020 - meaning it can be subjected to standard lead-free reflow profiles (peak 260 °C) without baking or special handling. Its DO-214AA package also meets UL 94V-0 flammability requirements for safety-critical assemblies.
P6SMB13CH 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):
- 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)
P6SMB13CH FAQ
1.How can I place an order for P6SMB13CH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB13CH 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 P6SMB13CH reliable?
The price and inventory of P6SMB13CH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB13CH is usually 5 days.
3.What payment methods are accepted for P6SMB13CH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB13CH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB13CH?
P6SMB13CH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB13CH 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 P6SMB13CH?
For technical support, including P6SMB13CH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB13CH requirements.
6.How does Aetrix verify that P6SMB13CH is sourced from the original manufacturer or authorized distributors?
All P6SMB13CH 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 P6SMB13CH meets industry standards.
7.What is the process for return or replacement of P6SMB13CH?
All P6SMB13CH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB13CH, 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 P6SMB13CH part is unused and in its original packaging.
Return procedure for P6SMB13CH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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