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Taiwan Semiconductor Corporation P6SMB75H
- Part No.:
- P6SMB75H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB75H.pdf
- Description:
- 600W, 75V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:9,357
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Product details
Overview
P6SMB75H from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a breakdown voltage range of 67.5V to 82.5V, clamping voltage of 108V at 5.8A peak pulse current, and DO-214AA (SMB) package. It protects automotive power electronics and industrial control circuits against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB75H datasheet, P6SMB75H pinout, P6SMB75H application, or P6SMB75H equivalent, key selection criteria include its 60.7V stand-off voltage, <1μA reverse leakage at VWM, 1.0ps response time, AEC-Q101 qualification, and compliance with J-STD-020 moisture sensitivity level 1.
Technical Context
The P6SMB75H operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its minimum breakdown voltage (67.5V), clamping transient energy within 1.0ps. Its glass-passivated junction ensures stable VBR temperature coefficient (0.105%/°C) and low leakage (<1μA @ 60.7V).
Designed for automotive-grade reliability, it meets ISO 7637-2 immunity requirements for load-dump and inductive-switching transients, with thermal resistance RθJA = 55°C/W and maximum junction temperature of +150°C. The DO-214AA package supports automated placement and UL 94V-0 flammability compliance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 67.5V / 82.5V - defines minimum trigger threshold and maximum allowable variation across temperature and production lot |
| VWM | 60.7V - maximum continuous reverse operating voltage before significant leakage begins |
| VC @ IPPM | 108V @ 5.8A - clamped voltage during 10/1000μs surge, limiting stress on downstream ICs |
| PPPSM | 600W - non-repetitive peak pulse power handling capability per standard waveform |
| IR @ VWM | <1μA - ultra-low leakage preserves system standby power and signal integrity |
| TJ max | +150°C - enables operation in under-hood automotive environments and high-power industrial enclosures |
| Response time | <1.0ps - ensures suppression initiates before transient energy damages sensitive logic or analog inputs |
Pinout & Package
DO-214AA (SMB) surface-mount package with cathode band marking; matte tin-plated leads compliant with J-STD-002 solderability; weight ≈ 0.090g; polarity marked on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path | Connected to circuit ground or lower-potential node in unidirectional configuration |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., 12V rail); conducts during overvoltage to shunt current to ground |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics |
| Glass passivated junction | Ensures long-term stability of VBR and low parametric drift over temperature and life |
| ISO 7637-2 compliance | Guarantees protection against standardized automotive electrical transients without external circuit redesign |
| Moisture sensitivity level 1 | Enables direct use from reel without baking, reducing manufacturing overhead and risk of popcorning |
| UL 94V-0 molding compound | Meets flame-retardancy requirements for enclosed industrial and transportation systems |
Applications
| Automotive Power Rail Protection | Industrial PLC Input Protection |
|---|---|
Use Scenario: 12V battery-supplied ECU power input subjected to load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between power rail and chassis ground to clamp transients before they reach PMIC or microcontroller. Use Value: Limits peak voltage to 108V during 600W surges, preventing latch-up or gate oxide damage in downstream silicon. | Use Scenario: Digital input channel of programmable logic controller exposed to inductive switching noise from solenoid valves. IC Role / Device Role / Timing Role: Standoff protection device on 24V DC input, absorbing fast-rising EFT bursts per IEC 61000-4-4. Use Value: Sub-1ps response ensures clamping activation prior to propagation delay of input buffer, preserving signal fidelity. |
| LED Driver Overvoltage Suppression | Automotive Sensor Interface Protection |
Use Scenario: Constant-current LED driver board in headlamp module experiencing back-EMF from relay switching. IC Role / Device Role / Timing Role: Transient suppressor across output terminals to protect MOSFET switch and current-sense amplifier. Use Value: 600W rating handles repetitive inductive spikes without thermal runaway; 0.090g mass suits compact automotive lighting modules. | Use Scenario: CAN or LIN bus sensor node (e.g., temperature or pressure) connected to vehicle harness with coupled transients. IC Role / Device Role / Timing Role: Primary-level protection on VCC supply line upstream of LDO regulator and transceiver IC. Use Value: 60.7V stand-off allows full operation across cold-crank (6V) to load-dump (up to 40V) conditions while maintaining <1μA leakage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ75A | Same DO-214AA package, 75V nominal VBR, but bidirectional; VC = 121V @ 4.9A | Required where symmetrical surge protection (e.g., AC lines or differential buses) is needed | Select SMBJ75A only if bidirectional clamping is explicitly required; P6SMB75H offers lower clamping (108V vs. 121V) for unidirectional rails. |
| 1.5SMC75A | Larger DO-214AB (SMC) package; same 75V VBR range but higher PPPSM = 1500W; VC = 121V @ 12.3A | Suitable for higher-energy transients where PCB space permits larger footprint | Choose 1.5SMC75A when surge energy exceeds 600W; P6SMB75H provides optimal size/power density for space-constrained automotive modules. |
Compared with SMBJ75A and 1.5SMC75A, the P6SMB75H delivers the lowest clamping voltage (108V) in the smallest DO-214AA footprint while maintaining AEC-Q101 qualification-making it ideal for compact, high-reliability 12V/24V automotive power nodes where unidirectional protection suffices.
Availability
P6SMB75H is available at Aetrix Electronics and suitable for automotive ECUs, industrial PLCs, LED lighting drivers, and sensor interface modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for P6SMB75H 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, rectifiers, and MOSFETs for automotive, industrial, and consumer markets.
The P6SMB75H belongs to TSC's AEC-Q101-qualified P6SMBxH series of 600W SMB-packaged TVS diodes, engineered specifically for robust transient immunity in harsh automotive and industrial power environments.
FAQ
What is the breakdown voltage tolerance of the P6SMB75H?
The P6SMB75H has a specified breakdown voltage range of 67.5V (minimum) to 82.5V (maximum) at 1.0mA test current. This ±10% tolerance reflects production spread and ensures reliable triggering across temperature and aging; actual units are binned and marked with code MQJ per datasheet Table 1.
Is the P6SMB75H suitable for bidirectional transient protection?
No, the P6SMB75H is a unidirectional TVS diode intended for DC power rail protection. For bidirectional applications such as AC lines or data bus protection, TSC offers the P6SMB75AH variant (marked MRJ) or SMBJ75A, both of which conduct in both directions and have symmetric VBR characteristics.
Does the P6SMB75H require derating at elevated ambient temperatures?
Yes, the P6SMB75H must be derated above 25°C ambient per Figure 2 in the datasheet: its peak pulse power drops linearly to zero at +175°C case temperature. At 100°C ambient, usable PPPSM is reduced to approximately 420W, based on RθJA = 55°C/W and thermal derating curve.
What is the maximum clamping voltage of the P6SMB75H under standard surge conditions?
The P6SMB75H exhibits a maximum clamping voltage (VC) of 108V when subjected to a 10/1000μs waveform peak pulse current (IPPM) of 5.8A. This value is guaranteed across all units and forms the basis for downstream circuit voltage margining.
How does the P6SMB75H meet automotive reliability standards?
The P6SMB75H is AEC-Q101 qualified, tested for temperature cycling, humidity bias, mechanical shock, and highly accelerated stress testing. It also complies with ISO 7637-2 Pulse 1/2a/2b/3a/3b and carries J-STD-020 Level 1 moisture sensitivity-ensuring robustness in automotive under-hood and chassis-mounted applications.
P6SMB75H 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):
- 60.7V
- Voltage - Breakdown (Min):
- 67.5V
- Voltage - Clamping (Max) @ Ipp:
- 108V
- Current - Peak Pulse (10/1000µs):
- 5.8A
- 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)
P6SMB75H FAQ
1.How can I place an order for P6SMB75H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB75H 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 P6SMB75H reliable?
The price and inventory of P6SMB75H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB75H is usually 5 days.
3.What payment methods are accepted for P6SMB75H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB75H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB75H?
P6SMB75H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB75H 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 P6SMB75H?
For technical support, including P6SMB75H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB75H requirements.
6.How does Aetrix verify that P6SMB75H is sourced from the original manufacturer or authorized distributors?
All P6SMB75H 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 P6SMB75H meets industry standards.
7.What is the process for return or replacement of P6SMB75H?
All P6SMB75H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB75H, 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 P6SMB75H part is unused and in its original packaging.
Return procedure for P6SMB75H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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