Taiwan Semiconductor Corporation P6SMB160C
- Part No.:
- P6SMB160C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB160C.pdf
- Description:
- 600W, 160V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:

- Shipping:

Inventory:8,198
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Product details
Overview
P6SMB160C from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, with a minimum breakdown voltage of 144 V, maximum clamping voltage of 230 V at 2.7 A peak pulse current, and stand-off voltage of 130 V - designed for surge protection in DC power rails of industrial adapters and display power supplies.
For engineers reviewing the P6SMB160C datasheet, P6SMB160C pinout, P6SMB160C application, or P6SMB160C equivalent, key selection criteria include unidirectional/bidirectional configuration (C = bidirectional), clamping performance under 10/1000 µs transients, junction temperature limits up to +150°C, and compliance with ISO 7637-2 Pulse 1/2a/2b/3a/3b for automotive-grade ESD/surge immunity.
Technical Context
The P6SMB160C operates as a bidirectional avalanche diode, symmetrically clamping voltage surges in both polarities above its 144–176 V breakdown range. It uses glass-passivated junction technology to ensure stable VBR and low leakage (<1 µA @ 130 V), with fast response time <1.0 ps from 0 V to VBR(min).
Its thermal design supports continuous operation at ambient temperatures from –55°C to +150°C, with RθJC = 10°C/W and RθJA = 55°C/W. The device meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements for SMB molded compound.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 144 V / 176 V - defines guaranteed avalanche conduction onset window under 1 mA test current |
| VWM | 130 V - maximum continuous reverse working voltage before significant leakage begins |
| VC @ IPPM | 230 V @ 2.7 A - peak clamped voltage during 10/1000 µs surge, limiting downstream IC stress |
| PPPSM | 600 W - non-repetitive peak pulse power handling per ISO 7637-2 standard waveform |
| IR @ VWM | <1 µA - ensures negligible standby power loss and signal integrity in high-impedance circuits |
| TJ(max) | +150°C - enables reliable operation in enclosed power supply enclosures without forced cooling |
| Package | DO-214AA (SMB) - industry-standard surface-mount outline compatible with automated pick-and-place |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with cathode band marking; matte tin-plated leads compliant with J-STD-002 solderability; polarity indicated by single black band on cathode end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Current entry terminal in forward bias; common reference node in bidirectional clamping | Connected to protected line (e.g., +12 V rail); forms symmetrical clamp path with cathode |
| Cathode (banded end) | Current exit terminal in forward bias; clamping node for negative transients | Connected to ground or return path; enables bidirectional surge shunting to reference plane |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures long-term VBR stability and low parameter drift across temperature and lifetime |
| ISO 7637-2 compliance | Validated for Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling noise) |
| Moisture sensitivity level 1 | Zero bake requirement prior to reflow; supports standard SMT assembly without dry-pack handling |
| Halogen-free & RoHS | Meets IEC 61249-2-21 and EU RoHS Directive 2011/65/EU for environmentally constrained applications |
| Fast response time | <1.0 ps rise-to-VBR enables suppression of nanosecond-scale ESD events before IC damage occurs |
Applications
| Industrial Power Adapters | DC Power Distribution Units |
|---|---|
Use Scenario: Protecting 12–48 V input rails in wall-mounted AC/DC adapters against lightning-induced surges and load-dump transients. IC Role / Device Role / Timing Role: Bidirectional TVS diode placed across input terminals to clamp differential-mode overvoltage before it reaches primary-side controller ICs. Use Value: Limits peak voltage to ≤230 V during 600 W 10/1000 µs pulses, preventing MOSFET gate oxide rupture and controller latch-up. | Use Scenario: Safeguarding 24 V bus inputs in DIN-rail mounted power distribution modules exposed to field wiring faults and inductive kickback. IC Role / Device Role / Timing Role: Standoff-rated TVS (VWM = 130 V) operating in parallel with bulk capacitance to absorb repetitive 100–500 V spikes. Use Value: Maintains <1 µA leakage at 130 V, avoiding unnecessary quiescent current draw while delivering 2.7 A peak pulse current capability. |
| Commercial Display Power Supplies | Automotive Aftermarket ECUs |
Use Scenario: Securing auxiliary 12 V supply lines in LCD/LED monitor power boards subjected to ESD and cable discharge events. IC Role / Device Role / Timing Role: Fast-response bidirectional clamp (P6SMB160C) placed at board edge connector to divert transients before reaching DC-DC converters. Use Value: Clamps within <1 ps to 230 V, protecting low-voltage logic ICs rated for only 16 V absolute maximum input. | Use Scenario: Surge protection on 12 V battery interface of aftermarket telematics modules installed in vehicles meeting ISO 7637-2 requirements. IC Role / Device Role / Timing Role: Bidirectional TVS used across battery input to suppress load-dump (Pulse 5a) and coupled noise (Pulse 3b) per OEM specifications. Use Value: Withstands 150°C junction temperature and passes JESD201 Class 2 whisker testing, ensuring reliability in under-hood thermal environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ160CA | Same DO-214AA package, identical VBR (144–176 V), but higher PPPSM = 600 W and lower VC = 224 V @ 2.7 A | Marginally tighter clamping; preferred where sub-225 V rail protection is critical | Select SMBJ160CA if lower clamping voltage is required without changing PCB layout |
| 1.5SMC160CA | Larger DO-214AB (SMC) package, same electrical specs, higher thermal mass (RθJA = 40°C/W vs. 55°C/W) | Better sustained surge handling in high-ambient-temperature environments (>85°C) | Choose 1.5SMC160CA when board space allows and thermal derating margin is insufficient with SMB |
Compared with P6SMB160C, SMBJ160CA offers slightly improved clamping performance in the same footprint, while 1.5SMC160CA trades size for enhanced thermal robustness - both require no circuit redesign but differ in mechanical integration and thermal management trade-offs.
Availability
P6SMB160C is available at Aetrix Electronics and suitable for industrial power adapters, DC power distribution units, and commercial display power supplies requiring stable component supply with full traceability and lifecycle continuity.
Supply support for P6SMB160C 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.
The P6SMB series belongs to TSC's high-reliability surface-mount TVS portfolio, engineered specifically for robust transient immunity in industrial, automotive, and consumer power systems where ISO 7637-2 compliance and moisture-resistant packaging are mandatory.
FAQ
What does the 'C' suffix indicate in P6SMB160C?
The 'C' suffix in P6SMB160C denotes bidirectional configuration - meaning the device provides symmetrical transient suppression for both positive and negative voltage excursions relative to ground. Unlike unidirectional variants (e.g., P6SMB160A), P6SMB160C has no anode/cathode polarity dependence in circuit placement and is used where AC-coupled or floating-line protection is needed. This makes P6SMB160C ideal for differential signal lines or dual-rail DC systems.
What is the maximum clamping voltage of P6SMB160C and under what test condition?
The maximum clamping voltage of P6SMB160C is 230 V, measured at a peak pulse current (IPPM) of 2.7 A using the standardized 10/1000 µs double-exponential surge waveform defined in IEC 61000-4-5 and ISO 7637-2. This value represents the upper limit of voltage seen by downstream components during worst-case transient events, and is guaranteed across the full operating temperature range of –55°C to +150°C.
Is P6SMB160C suitable for automotive applications?
Yes, P6SMB160C is suitable for automotive applications requiring ISO 7637-2 compliance, including Pulse 1 (inductive switch-off), Pulse 2a/2b (supply interruption), and Pulse 3a/3b (capacitive coupling). Its glass-passivated junction, MSL Level 1 rating, JESD201 Class 2 whisker resistance, and operational range from –55°C to +150°C meet core requirements for under-hood and cabin-mounted ECUs. However, P6SMB160C is not AEC-Q200 qualified - system-level validation remains the customer's responsibility.
How does P6SMB160C compare to P6SMB160A in terms of electrical performance?
P6SMB160A is unidirectional with VBR = 152–168 V, VWM = 136 V, and VC = 219 V @ 2.8 A, while P6SMB160C is bidirectional with VBR = 144–176 V, VWM = 130 V, and VC = 230 V @ 2.7 A. The C variant sacrifices ~11 V clamping margin for polarity-agnostic protection, and exhibits slightly higher leakage near VWM due to dual-junction symmetry. Both share identical DO-214AA packaging and thermal characteristics.
What is the junction-to-ambient thermal resistance (RθJA) of P6SMB160C?
The junction-to-ambient thermal resistance (RθJA) of P6SMB160C is 55°C/W under standard JEDEC test conditions (single device on 1-inch² FR-4 board with 2 oz copper). This value assumes minimal copper pour and no thermal vias; actual board-level RθJA can be reduced to ≤35°C/W with optimized thermal pad design and ≥4 thermal vias. The lower RθJA directly improves surge repetition rate capability and steady-state power dissipation margin for P6SMB160C in compact layouts.
P6SMB160C 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):
- 130V
- Voltage - Breakdown (Min):
- 144V
- Voltage - Clamping (Max) @ Ipp:
- 230V
- Current - Peak Pulse (10/1000µs):
- 2.7A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB160C FAQ
1.How can I place an order for P6SMB160C through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB160C 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 P6SMB160C reliable?
The price and inventory of P6SMB160C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB160C is usually 5 days.
3.What payment methods are accepted for P6SMB160C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB160C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB160C?
P6SMB160C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB160C 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 P6SMB160C?
For technical support, including P6SMB160C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB160C requirements.
6.How does Aetrix verify that P6SMB160C is sourced from the original manufacturer or authorized distributors?
All P6SMB160C 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 P6SMB160C meets industry standards.
7.What is the process for return or replacement of P6SMB160C?
All P6SMB160C units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB160C, 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 P6SMB160C part is unused and in its original packaging.
Return procedure for P6SMB160C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB160C Tags

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