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Taiwan Semiconductor Corporation P6SMB150C
- Part No.:
- P6SMB150C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150C.pdf
- Description:
- 600W, 150V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:6,406
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Product details
Overview
P6SMB150C from Taiwan Semiconductor is a bidirectional 600W surface-mount Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in DC power rails and signal lines. It features a standoff voltage of 121 V, breakdown voltage range of 135–165 V at 1 mA test current, clamping voltage of 215 V at 2.9 A peak pulse current, and operates across –55 °C to +150 °C junction temperature. It is used in switching mode power supplies and automotive electronics to suppress ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB150C datasheet, P6SMB150C pinout, P6SMB150C application, or P6SMB150C equivalent, this page delivers verified electrical parameters, DO-214AA (SMB) package details, bidirectional clamping behavior, thermal resistance values (RθJC = 10 °C/W), and real-world design implications for surge immunity in industrial and automotive power systems.
Technical Context
The P6SMB150C implements a glass-passivated silicon junction optimized for fast transient response (<1.0 ps rise time from 0 V to VBR min) and low leakage (<1 µA @ 121 V). Its bidirectional configuration enables symmetrical clamping in AC-coupled or floating circuits without polarity constraints.
It meets ISO 7637-2 Pulse 1 (inductive load dump), Pulse 2a/2b (battery disconnect/relay bounce), and Pulse 3a/3b (capacitive coupling noise), with a 10/1000 µs waveform peak pulse power rating of 600 W and junction-to-case thermal resistance of 10 °C/W for reliable power dissipation under repeated surges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 121 V - Maximum continuous reverse working voltage before significant leakage; defines safe operating DC rail margin. |
| VBR (min/max) | 135 V / 165 V @ 1 mA - Breakdown onset range; ensures predictable clamping initiation above nominal system voltage. |
| VC @ IPPM | 215 V @ 2.9 A - Clamped voltage during 10/1000 µs surge; determines maximum stress on downstream components. |
| PPPSM | 600 W - Non-repetitive peak pulse power handling; supports high-energy transients like load dump in 12 V/24 V systems. |
| IR @ VWM | <1 µA - Reverse leakage at rated standoff; negligible power loss and minimal impact on high-impedance sensing nodes. |
| TJ max | +150 °C - Maximum junction temperature; enables operation in under-hood automotive or enclosed industrial enclosures. |
| RθJC | 10 °C/W - Junction-to-case thermal resistance; allows accurate thermal design when mounted on copper pads or heatsinks. |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, bi-directional configuration with cathode band omitted (symmetrical terminals). Matte tin-plated leads, RoHS-compliant and halogen-free per IEC 61249-2-21.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional transient conduction path | No polarity marking required; connects across protected line and return - identical function in either orientation. |
| Case / Body | Thermal and mechanical interface | DO-214AA molded body provides UL 94V-0 flammability rating and 0.090 g mass; requires ≥20 mm² 2-oz copper pad for thermal relief. |
Key Features
| Feature | Design Value |
|---|---|
| Fast response time | <1.0 ps rise time from 0 V to VBR min - limits voltage overshoot during nanosecond-scale ESD or lightning-induced edges. |
| ISO 7637-2 compliance | Validated for Pulse 1, 2a, 2b, 3a, 3b - certifies suitability for automotive power net transients without additional filtering stages. |
| Low moisture sensitivity | JEDEC J-STD-020 Level 1 - enables standard SMT reflow without baking or dry pack handling. |
| Stable temperature coefficient | 0.108 %/°C VBR drift - ensures consistent clamping threshold across –55 °C to +150 °C operating range. |
| High surge current capability | 2.9 A peak pulse current (10/1000 µs) - sustains multiple transient events in industrial control I/O protection. |
Applications
| Automotive Power Distribution | Industrial SMPS Input Stage |
|---|---|
|
Use Scenario: Protection of 24 V battery-fed ECUs against load dump (ISO 7637-2 Pulse 5a) and alternator transients. IC Role / Device Role / Timing Role: Bidirectional TVS placed across main power input to clamp surges up to 120 V peak before they reach DC/DC converters or microcontrollers. Use Value: Limits peak voltage to 215 V during 600 W transients, preventing damage to 36 V-rated input capacitors and enabling use of lower-cost 30 V MOSFETs in front-end stages. |
Use Scenario: Input rail protection in 48 V telecom rectifiers exposed to AC line surges and back-EMF from relay switching. IC Role / Device Role / Timing Role: Standoff-rated TVS connected between +48 V bus and chassis ground to absorb repetitive 10/1000 µs pulses from nearby inductive loads. Use Value: With 121 V VWM, it remains fully blocking during normal operation while clamping to 215 V - preserving upstream fuse coordination and avoiding nuisance tripping. |
| Medical Equipment Signal Isolation | Smart Building Sensor Node Power |
|
Use Scenario: Surge suppression on isolated 5 V or 12 V auxiliary rails powering analog front-ends in diagnostic imaging subsystems. IC Role / Device Role / Timing Role: Bidirectional TVS bridging isolated DC/DC output and local ground to shunt common-mode transients coupled through transformer parasitics. Use Value: Sub-1 µA leakage at 121 V prevents loading of precision bias networks; <1.0 ps response avoids propagation delay-induced timing skew in synchronized ADC sampling paths. |
Use Scenario: Overvoltage hardening of PoE-powered environmental sensors deployed in outdoor lighting infrastructure. IC Role / Device Role / Timing Role: TVS placed at PD (Powered Device) input to protect IEEE 802.3af/at interface ICs from induced lightning surges on long cable runs. Use Value: 600 W rating handles worst-case 10/1000 µs surges per IEC 61000-4-5 Level 4; DO-214AA footprint enables automated placement in space-constrained sensor PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ150CA | Same DO-214AA package, identical 121 V VWM and 215 V VC, but higher 600 W rating achieved via tighter VBR tolerance (135–150 V vs. 135–165 V). | Preferred where tighter clamping consistency is required across production lots, e.g., in safety-critical automotive modules. | Select SMBJ150CA if VBR distribution control is prioritized over cost; P6SMB150C offers broader VBR range for general-purpose robustness. |
| 1.5KE150CA | Through-hole TO-218 package, same 121 V VWM and 215 V VC, but higher 1500 W rating and slower response (>1 ns). | Suitable for high-energy, low-frequency surges (e.g., AC mains input) where PCB space permits leaded mounting. | Choose 1.5KE150CA only when board layout allows axial/TO-218 placement and surge energy exceeds 600 W; P6SMB150C is optimal for SMT density and speed-critical DC rails. |
Compared with SMBJ150CA and 1.5KE150CA, the P6SMB150C delivers best-in-class combination of SMT manufacturability, sub-nanosecond response, and ISO 7637-2 compliance in a low-profile DO-214AA package - making it ideal for automotive body controllers and compact industrial power modules where layout area and transient fidelity are constrained.
Availability
P6SMB150C is available at Aetrix Electronics and suitable for automotive power distribution, industrial SMPS input protection, medical auxiliary rail hardening, and smart building sensor node power requiring stable component supply and full traceability.
Supply support for P6SMB150C 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 AEC-Q200 qualified production lines.
The P6SMB series targets high-reliability transient suppression in automotive, industrial, and telecom applications - engineered for ISO 7637-2 compliance, JEDEC Level 1 moisture resistance, and stable parametric performance across extended temperature ranges.
FAQ
What is the polarity configuration of P6SMB150C?
The P6SMB150C is a bidirectional TVS diode with symmetrical anode/cathode terminals - no polarity marking is present on the DO-214AA package. This allows installation in either orientation across protected lines, simplifying layout and eliminating risk of reverse placement during automated assembly. The device clamps equally in both directions, making it suitable for AC-coupled signals or floating DC buses where voltage polarity may invert.
Does P6SMB150C meet automotive transient standards?
Yes, the P6SMB150C is explicitly validated to meet ISO 7637-2 requirements for Pulse 1 (inductive switch-off), Pulse 2a (battery disconnection), Pulse 2b (relay bounce), and Pulse 3a/3b (capacitive coupling noise). Its 600 W peak pulse power rating, 215 V clamping voltage, and sub-1 ps response ensure compliance in 12 V and 24 V vehicle networks without supplemental protection circuitry - a key requirement for TSC's AEC-Q200-qualified P6SMB family.
What is the maximum steady-state power dissipation for P6SMB150C?
The P6SMB150C has a steady-state power dissipation (Ptot) of 3 W at TA = 25 °C. This value derates linearly above ambient temperature per the published thermal curve (Fig.2), reaching ~1.5 W at 75 °C ambient. Unlike its 600 W non-repetitive pulse rating, this 3 W limit applies only to continuous DC or low-frequency AC power dissipation - not transient events - and must be considered when calculating thermal pad area and airflow requirements in sealed enclosures.
How does the temperature coefficient affect P6SMB150C's clamping behavior?
The P6SMB150C exhibits a VBR temperature coefficient of +0.108 %/°C, meaning its breakdown voltage increases by approximately 0.14 V per 10 °C rise in junction temperature. This positive drift ensures clamping voltage rises predictably under thermal stress - avoiding premature conduction during elevated ambient conditions - and maintains safe margin above system operating voltage across the full –55 °C to +150 °C junction range specified in the datasheet.
Is P6SMB150C compatible with lead-free reflow processes?
Yes, the P6SMB150C is fully compatible with standard lead-free reflow profiles (J-STD-020 Class 1), including peak temperatures up to 260 °C for ≤60 seconds. Its matte tin-plated leads meet solderability requirements per J-STD-002, and the DO-214AA molding compound is rated UL 94V-0. No pre-baking is required due to its J-STD-020 moisture sensitivity level 1 classification - enabling direct placement into high-volume SMT lines without process modification.
P6SMB150C 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):
- 121V
- Voltage - Breakdown (Min):
- 135V
- Voltage - Clamping (Max) @ Ipp:
- 215V
- Current - Peak Pulse (10/1000µs):
- 2.9A
- 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)
P6SMB150C FAQ
1.How can I place an order for P6SMB150C through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150C 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 P6SMB150C reliable?
The price and inventory of P6SMB150C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150C is usually 5 days.
3.What payment methods are accepted for P6SMB150C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150C?
P6SMB150C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150C 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 P6SMB150C?
For technical support, including P6SMB150C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150C requirements.
6.How does Aetrix verify that P6SMB150C is sourced from the original manufacturer or authorized distributors?
All P6SMB150C 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 P6SMB150C meets industry standards.
7.What is the process for return or replacement of P6SMB150C?
All P6SMB150C units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150C, 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 P6SMB150C part is unused and in its original packaging.
Return procedure for P6SMB150C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB150C Tags
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