My Inquiry
My Account
Taiwan Semiconductor Corporation P6SMB110
- Part No.:
- P6SMB110
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB110.pdf
- Description:
- 600W, 110V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:4,139
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMB110 from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode designed for overvoltage protection in DC power lines and signal paths. It features a breakdown voltage range of 99–121 V, clamps transients to ≤158 V at 3.9 A peak pulse current, and operates within -55°C to +150°C junction temperature range - deployed in switching mode power supplies and industrial adapters.
For engineers reviewing the P6SMB110 datasheet, P6SMB110 pinout, P6SMB110 application, or P6SMB110 equivalent, key selection criteria include standoff voltage (89.2 V), clamping performance under 10/1000 µs surge, thermal resistance (RθJA = 55 °C/W), and compliance with ISO 7637-2 Pulse 1/2a/2b/3a/3b for automotive electronics robustness.
Technical Context
The P6SMB110 uses a glass-passivated silicon junction optimized for fast response (<1.0 ps rise time from 0 V to VBR min) and low leakage (<1 µA @ 89.2 V). Its DO-214AA (SMB) package supports automated placement and meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability standards.
Designed for unidirectional operation, it exhibits forward voltage of 5.0 V @ 50 A (per spec note for P6SMB100–P6SMB220 series), with thermal derating above 25°C ambient per Fig.2 and peak pulse power limited to 600 W under 10/1000 µs waveform per ANSI/IEEE C62.35.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 89.2 V - Maximum continuous reverse operating voltage before significant leakage begins |
| VBR (min/max) | 99–121 V - Breakdown voltage range measured at 1.0 mA test current; defines turn-on threshold tolerance |
| VC @ IPPM | 158 V - Clamping voltage at 3.9 A peak pulse current; determines protected circuit's maximum transient exposure |
| PPPSM | 600 W - Non-repetitive peak pulse power handling capability under standardized 10/1000 µs waveform |
| IR @ VWM | <1 µA - Reverse leakage ensures minimal standby power loss and signal integrity in high-impedance circuits |
| RθJA | 55 °C/W - Junction-to-ambient thermal resistance; informs heatsinking requirements for sustained surge duty |
| TJ max | +150 °C - Maximum allowable junction temperature; sets upper limit for thermal design margin |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, cathode-banded unidirectional configuration. Matte tin-plated leads comply with J-STD-002 solderability; polarity marked by cathode band on case.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line; conducts during positive surges when used in reverse-biased TVS configuration |
| Cathode | Reverse-bias input / clamping node | Connected to higher-potential side (e.g., VIN); initiates avalanche breakdown when transient exceeds VWM |
Key Features
| Feature | Design Value |
|---|---|
| Fast response time | <1.0 ps - Enables suppression of nanosecond-scale ESD and EFT events before downstream IC damage occurs |
| Glass passivated junction | Enhanced reliability and stable VBR over temperature and lifetime vs. epoxy-passivated alternatives |
| ISO 7637-2 compliance | Validated for Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (line impedance coupling) in automotive ECUs |
| Moisture sensitivity level | MSL Level 1 - No floor life limitation; safe for standard SMT reflow without baking preconditioning |
| Halogen-free construction | Complies with IEC 61249-2-21 - Supports RoHS-compliant and environmentally regulated end equipment |
Applications
| Switching Mode Power Supply (SMPS) | Industrial Adapter |
|---|---|
Use Scenario: Protection of primary-side rectifier output and secondary-side DC bus against line-induced surges and inductive kickback. IC Role / Device Role: Unidirectional TVS placed across bulk capacitor or post-rectifier rail to clamp transients below MOSFET or controller breakdown limits. Use Value: Limits voltage excursion to ≤158 V during 600 W 10/1000 µs surges, preserving 200 V-rated electrolytics and 600 V Si MOSFETs. | Use Scenario: Input-stage overvoltage protection in universal-input AC/DC wall adapters for consumer and industrial use. IC Role / Device Role: Standoff-rated TVS on AC input bridge output or DC output rail to absorb lightning-induced surges and hot-plug transients. Use Value: Withstands ≥1000 cycles of 8.3 ms half-sine surge up to 100 A (IFSM rating), ensuring long-term adapter field reliability. |
| TV Power Supply Unit | Monitor DC Power Input |
Use Scenario: Secondary-side rail protection in LED-backlit LCD TV mainboards exposed to ESD and cable discharge events. IC Role / Device Role: Clamping device on 12 V or 24 V logic supply rails to prevent latch-up or gate oxide damage in TCON and MCU ICs. Use Value: Low 1 µA leakage at 89.2 V avoids loading sensitive feedback networks; 55 °C/W RθJA enables compact layout without forced air cooling. | Use Scenario: Overvoltage guard on external 19 V DC input of desktop monitors subjected to accidental AC misconnection or power supply faults. IC Role / Device Role: First-line defense between barrel jack and internal DC-DC converters, absorbing >1 kV ESD per IEC 61000-4-2 Level 4. Use Value: 158 V clamping voltage provides ≥20% margin below typical 19 V rail converter absolute max ratings (e.g., 200 V input caps). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ110A | Same DO-214AA package; tighter VBR tolerance (105–116 V), lower VC (152 V), slightly higher IPPM (4.1 A) | Better clamping margin for 120 VAC-derived rails; preferred where <152 V clamping is required | Select SMBJ110A if system-level testing shows 158 V clamping of P6SMB110 exceeds downstream component VDS(max) margin |
| 1.5SMC110A | Larger DO-214AB (SMC) package; identical VBR/VC specs but higher PPPSM (1500 W), higher IFSM (200 A) | Used where higher single-event energy absorption is mandated (e.g., telecom central office inputs) | Choose 1.5SMC110A only if board space allows larger footprint and surge test requires >600 W rating |
Compared with SMBJ110A and 1.5SMC110A, the P6SMB110 offers optimal balance of compact SMB footprint, 600 W surge rating, and cost-effective protection for consumer-grade power supplies - making it ideal for space-constrained designs where 158 V clamping is acceptable and 100 A surge immunity suffices.
Availability
P6SMB110 is available at Aetrix Electronics and suitable for switching mode power supplies, industrial adapters, and display power units requiring stable component supply and consistent surge performance across production batches.
Supply support for P6SMB110 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 power devices, TVS diodes, rectifiers, and MOSFETs since 1979.
The P6SMB series belongs to TSC's high-reliability surface-mount TVS portfolio engineered specifically for automotive, industrial, and consumer power conversion systems demanding ISO 7637-2 compliance and MSL Level 1 assembly compatibility.
FAQ
What is the maximum clamping voltage of the P6SMB110 under standard 10/1000 µs surge conditions?
The P6SMB110 has a maximum clamping voltage (VC) of 158 V when subjected to its rated peak pulse current of 3.9 A under the standardized 10/1000 µs waveform. This value is guaranteed across the full operating temperature range and is critical for ensuring downstream components remain within their absolute maximum voltage ratings during transient events. The P6SMB110 achieves this clamping performance while maintaining low leakage and fast response.
Is the P6SMB110 suitable for bidirectional transient suppression?
No, the P6SMB110 is a unidirectional TVS diode intended for DC line protection with defined anode/cathode polarity. For bidirectional applications, Taiwan Semiconductor specifies the P6SMB110A variant (marked MZJ), which provides symmetrical clamping in both directions. Using the P6SMB110 in AC or floating signal paths without proper polarity alignment will result in unintended forward conduction or failure to suppress negative transients.
What is the standoff voltage (VWM) of the P6SMB110, and how does it relate to system operating voltage?
The P6SMB110 has a standoff voltage (VWM) of 89.2 V - the maximum continuous DC or RMS voltage that can be applied without exceeding 1 µA leakage. This value is selected to be ~20% below the nominal 110 V system rail (e.g., 100–120 VDC outputs), ensuring reliable blocking during normal operation while allowing sufficient margin for ripple and tolerance drift before avalanche onset. Designers must verify that system VIN never exceeds 89.2 V continuously.
Does the P6SMB110 meet automotive surge immunity standards?
Yes, the P6SMB110 meets ISO 7637-2 Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling) requirements - confirmed in the official Taiwan Semiconductor datasheet. Its 600 W peak pulse rating, fast <1.0 ps response, and specified clamping behavior under standardized waveforms make it suitable for front-end protection in automotive body control modules, infotainment power supplies, and ADAS camera modules where conducted transient immunity is mandated.
What is the thermal resistance and maximum junction temperature of the P6SMB110?
The P6SMB110 has a junction-to-ambient thermal resistance (RθJA) of 55 °C/W and a maximum junction temperature (TJ) of +150 °C. These values define its thermal performance envelope: under worst-case 600 W surge dissipation, even brief pulses raise junction temperature significantly, so PCB copper area and airflow must be designed to limit steady-state temperature rise. The +150 °C TJ max allows operation in high-temperature environments such as enclosed power enclosures or under-hood automotive locations.
P6SMB110 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):
- 89.2V
- Voltage - Breakdown (Min):
- 99V
- Voltage - Clamping (Max) @ Ipp:
- 158V
- Current - Peak Pulse (10/1000µs):
- 3.9A
- 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)
P6SMB110 FAQ
1.How can I place an order for P6SMB110 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB110 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 P6SMB110 reliable?
The price and inventory of P6SMB110 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB110 is usually 5 days.
3.What payment methods are accepted for P6SMB110?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB110 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB110?
P6SMB110 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB110 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 P6SMB110?
For technical support, including P6SMB110 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB110 requirements.
6.How does Aetrix verify that P6SMB110 is sourced from the original manufacturer or authorized distributors?
All P6SMB110 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 P6SMB110 meets industry standards.
7.What is the process for return or replacement of P6SMB110?
All P6SMB110 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB110, 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 P6SMB110 part is unused and in its original packaging.
Return procedure for P6SMB110:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB110 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
