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Taiwan Semiconductor Corporation P6SMB36CH
- Part No.:
- P6SMB36CH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB36CH.pdf
- Description:
- 600W, 36V, 10%, BIDIRECTIONAL, T
- Quantity:
- Payment:
- Shipping:
Inventory:5,678
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Product details
Overview
P6SMB36CH from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, with breakdown voltage 32.4–39.6 V, clamping voltage 52.0 V at 12.0 A peak pulse current, and stand-off voltage 29.1 V. It delivers AEC-Q101 qualification and ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance for automotive power line protection.
For engineers reviewing the P6SMB36CH datasheet, P6SMB36CH pinout, P6SMB36CH application, or P6SMB36CH equivalent, this device is selected for high-reliability DC bus surge suppression where low-leakage (<1 µA @ 29.1 V), fast response (<1.0 ps), and robust 150°C junction operation are required.
Technical Context
The P6SMB36CH uses a glass-passivated silicon junction to achieve stable bidirectional clamping behavior across both polarities, with symmetrical electrical characteristics per IEC 61000-4-5 and ISO 7637-2 standards. Its thermal design supports 10°C/W junction-to-case resistance and operates continuously up to 150°C junction temperature.
Designed for unidirectional or bidirectional configurations (CH suffix denotes bidirectional), it exhibits <1 µA reverse leakage at 29.1 V, 0.099%/°C temperature coefficient of VBR, and meets JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 32.4 V / 39.6 V - ensures reliable triggering above system operating voltage while maintaining margin against false clamping |
| VWM | 29.1 V - maximum continuous reverse working voltage compatible with 24 V automotive systems |
| VC @ IPPM | 52.0 V @ 12.0 A - limits transient voltage seen by downstream ICs during 10/1000 µs surges |
| PPPM | 600 W - handles high-energy transients such as load dump or inductive switching without failure |
| ID @ VWM | <1 µA - minimizes standby power loss and avoids interference with high-impedance sensing circuits |
| TJ max | +150 °C - enables use in under-hood automotive environments without derating |
| RθJA | 55 °C/W - defines thermal performance on standard 1 oz copper PCB land pattern per DO-214AA footprint |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, single-die bidirectional configuration. Cathode band marking indicates polarity reference; for bidirectional operation, terminals are functionally symmetric with no anode/cathode distinction in circuit use.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (marked band) | Transient conduction path | Provides low-impedance shunt path for ± polarity surges; bidirectional symmetry eliminates orientation dependency in layout |
| Cathode band end | Reference marking | Indicates terminal position per JEDEC DO-214AA outline; used only for visual alignment-no functional polarity in CH devices |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan |
| ISO 7637-2 compliance | Withstands Pulse 1 (inductive load disconnect), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling) waveforms |
| Glass passivated junction | Ensures long-term parameter stability and low leakage drift over 15+ year service life in harsh environments |
| Low profile SMB package | Enables automated SMT placement and fits high-density layouts with 4.57 mm × 3.94 mm footprint and 2.29 mm height |
| J-STD-020 Level 1 | Allows floor-life unlimited storage and reflow without baking-reduces manufacturing overhead and moisture-related defects |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12 V/24 V battery-fed ECUs exposed to load dump, jump-start, and alternator ripple. IC Role / Device Role: Primary clamping element placed upstream of LDOs, CAN transceivers, and microcontrollers. Use Value: Limits transient voltage to ≤52.0 V during 600 W surges, preventing latch-up or gate oxide damage in downstream ICs. |
Use Scenario: Analog sensor inputs (e.g., pressure, temperature) connected to long harnesses in factory automation. IC Role / Device Role: First-line defense against EFT bursts and cable-coupled noise entering signal conditioning stages. Use Value: Sub-µA leakage preserves signal integrity in µA-level bias networks; 52.0 V clamping protects 3.3 V/5 V ADC front-ends. |
| LED Lighting Driver Input Stage | DC Motor Control Board Input |
Use Scenario: Constant-current LED drivers powered from 24 V industrial supplies subject to inductive kickback. IC Role / Device Role: Parallel-connected TVS across input terminals to absorb switching energy from relay or MOSFET control lines. Use Value: 600 W peak power rating sustains repeated 10/1000 µs transients without degradation; DO-214AA footprint allows compact board placement. |
Use Scenario: H-bridge motor controllers experiencing back-EMF spikes during PWM commutation or sudden stop. IC Role / Device Role: Bidirectional clamp across supply rails to suppress voltage reversal and overshoot exceeding 29.1 V. Use Value: Symmetrical VBR (32.4–39.6 V) ensures equal clamping in forward/reverse voltage excursions, protecting gate drivers and bootstrap capacitors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36CA | Same DO-214AA package, 36 V nominal VBR (32.4–39.6 V), 600 W PPPM, but rated to 175°C TJ max and has higher RθJA (60°C/W) | Preferred for extended-temperature industrial designs requiring >150°C operation; less optimal for space-constrained automotive modules due to thermal footprint | Select SMBJ36CA when ambient exceeds 125°C or when higher TJ margin is mandatory; verify layout thermal relief matches 60°C/W requirement |
| 1.5SMC36CA | Higher-power 1500 W rating, same VBR range, but larger DO-214AB (SMC) package (7.11 mm × 6.22 mm) and 10× PCB area | Suitable for high-energy surge zones (e.g., main vehicle battery input), not for dense ECU boards where SMB footprint is critical | Choose 1.5SMC36CA only if system-level surge testing requires >600 W capability; avoid in space-limited locations due to 2.5× footprint increase |
Compared with P6SMB36CH, SMBJ36CA offers higher junction temperature tolerance but lower thermal efficiency, while 1.5SMC36CA provides greater surge capacity at the cost of board space-making P6SMB36CH optimal for AEC-Q101-compliant, space-constrained 24 V automotive nodes.
Availability
P6SMB36CH is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, and LED driver input protection requiring stable component supply and full traceability.
Supply support for P6SMB36CH 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, serving global automotive, industrial, and consumer markets since 1979.
The P6SMB36CH belongs to TSC's AEC-Q101-qualified SMB-series TVS portfolio, engineered specifically for robust, low-profile transient suppression in automotive power distribution and industrial control systems.
FAQ
What does the "CH" suffix indicate in P6SMB36CH?
The "CH" suffix in P6SMB36CH specifies a bidirectional configuration, meaning the device provides symmetrical transient suppression for both positive and negative voltage excursions. Unlike unidirectional variants (e.g., P6SMB36H), P6SMB36CH has identical breakdown and clamping characteristics in either polarity-critical for AC-coupled or floating-rail applications where polarity reversal may occur.
Is P6SMB36CH suitable for 24 V automotive systems?
Yes, P6SMB36CH is explicitly designed for 24 V automotive systems: its 29.1 V stand-off voltage (VWM) provides sufficient margin above nominal 24 V rail while allowing reliable clamping at 52.0 V during transients. It meets AEC-Q101 and ISO 7637-2 Pulse 1/2a/2b/3a/3b requirements, making it appropriate for engine control units, body control modules, and lighting controllers.
What is the maximum peak pulse current rating for P6SMB36CH?
The maximum peak pulse current (IPPM) for P6SMB36CH is 12.0 A under the standard 10/1000 µs waveform. This value is derived directly from its 600 W peak pulse power rating and 52.0 V clamping voltage (IPPM = PPPM / VC = 600 W / 52.0 V ≈ 11.5 A, rounded to 12.0 A per datasheet specification).
Does P6SMB36CH require special PCB layout considerations?
Yes-P6SMB36CH should be placed as close as possible to the protected node with short, wide traces to minimize inductance. The DO-214AA (SMB) package demands a JEDEC-standard pad layout (4.57 mm × 3.94 mm), and thermal vias under the cathode/anode pads are recommended to manage 55°C/W junction-to-ambient resistance in high-power surge events.
How does P6SMB36CH compare to P6SMB36AH?
P6SMB36AH has a tighter VBR range (34.2–37.8 V) versus P6SMB36CH (32.4–39.6 V), resulting in higher minimum breakdown voltage and slightly lower clamping voltage (49.9 V vs. 52.0 V). Both share identical package, power rating, and AEC-Q101 qualification-but P6SMB36CH's broader VBR tolerance makes it more robust against process variation in high-volume automotive production.
P6SMB36CH 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):
- 29.1V
- Voltage - Breakdown (Min):
- 32.4V
- Voltage - Clamping (Max) @ Ipp:
- 52V
- Current - Peak Pulse (10/1000µs):
- 12A
- 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)
P6SMB36CH FAQ
1.How can I place an order for P6SMB36CH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB36CH 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 P6SMB36CH reliable?
The price and inventory of P6SMB36CH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB36CH is usually 5 days.
3.What payment methods are accepted for P6SMB36CH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB36CH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB36CH?
P6SMB36CH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB36CH 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 P6SMB36CH?
For technical support, including P6SMB36CH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB36CH requirements.
6.How does Aetrix verify that P6SMB36CH is sourced from the original manufacturer or authorized distributors?
All P6SMB36CH 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 P6SMB36CH meets industry standards.
7.What is the process for return or replacement of P6SMB36CH?
All P6SMB36CH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB36CH, 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 P6SMB36CH part is unused and in its original packaging.
Return procedure for P6SMB36CH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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