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Taiwan Semiconductor Corporation SA6.0C
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- Part No.:
- SA6.0C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA6.0C.pdf
- Description:
- 500W, 7.4V, BIDIRECTIONAL, TVS
- Quantity:
- Payment:
- Shipping:
Inventory:6,642
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Product details
Overview
SA6.0C from Taiwan Semiconductor is a unidirectional 500W transient voltage suppressor (TVS) diode with 6.67–8.15 V breakdown voltage, 6.0 V working stand-off voltage, and 46.0 V clamping voltage at 600 A peak pulse current. It protects automotive and industrial power rails against ESD, EFT, and inductive switching transients in DO-15 package.
For engineers reviewing the SA6.0C datasheet, SA6.0C pinout, SA6.0C application, or SA6.0C equivalent, key selection criteria include clamping performance under 10/1000 µs surge, low leakage (<1 µA @ 6.0 V), AEC-Q101 qualification status, thermal derating above 25°C, and compatibility with lead-free reflow profiles per J-STD-002.
Technical Context
The SA6.0C operates as a unidirectional avalanche diode, triggering when reverse voltage exceeds its VBR range (6.67–8.15 V at 10 mA). Its low dynamic impedance enables rapid clamping to ≤46.0 V during 600 A, 10/1000 µs transients, limiting energy dissipation in protected ICs.
Designed for automotive-grade reliability, it meets AEC-Q101 stress tests including temperature cycling, HTRB, and whisker resistance (JESD 201 Class 2). The DO-204AC (DO-15) package supports 70 A non-repetitive forward surge and operates from −55°C to +175°C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.0 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR min/max | 6.67–8.15 V @ 10 mA - Confirmed breakdown threshold defining turn-on precision |
| VC @ IPPM | 46.0 V @ 600 A - Clamped voltage during worst-case 10/1000 µs surge, limiting downstream stress |
| PPK | 500 W - Peak pulse power handling capability per single transient event |
| IR @ VWM | <1 µA - Negligible leakage current ensuring minimal standby power loss |
| TJ max | +175°C - Enables operation in under-hood automotive environments without thermal shutdown |
| Package | DO-204AC (DO-15) - Industry-standard axial-leaded package with UL 94V-0 molding compound |
Pinout & Package
DO-204AC (DO-15) package with axial leads: cathode indicated by band marking; anode and cathode terminals defined per polarity marking. Lead finish: pure tin, solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to system ground in standard TVS configuration | Provides low-impedance return path during clamping; must be routed with low-inductance trace to ground plane |
| Cathode | Protected line connection; reverse-biased during transient suppression | Connected to I/O or power rail requiring protection; clamps to anode when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements including HTGB, TCT, and UHAST |
| Fast response time | <1.0 ps from 0 V to VBR - Ensures clamping initiates before sensitive circuitry sustains damage |
| Low clamping ratio | VC/VBR ≈ 5.7 - High efficiency in diverting surge energy while minimizing voltage overshoot |
| Halogen-free construction | Complies with IEC 61249-2-21 - Supports RoHS-compliant manufacturing and end-of-life recycling |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12 V battery-supplied ECUs exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and local regulator to clamp transients before LDO or MCU power pins. Use Value: Limits voltage to ≤46.0 V during 600 A surges, preventing latch-up or gate oxide rupture in downstream 5 V logic. | Use Scenario: 4–20 mA current loop transmitters interfacing with PLC analog inputs. IC Role / Device Role / Timing Role: SA6.0C mounted across loop supply terminals to absorb induced EFT bursts from nearby motor drives. Use Value: Sub-1 ps response ensures clamping occurs within first nanosecond of fast-rising edge, protecting precision op-amps and ADC front-ends. |
| LED Driver Overvoltage Clamp | USB Port ESD Suppression |
Use Scenario: Constant-current LED drivers in automotive lighting subjected to inductive kickback from relay coils. IC Role / Device Role / Timing Role: Connected anode-to-ground, cathode-to-driver output to shunt flyback energy during switch-off. Use Value: Withstands 70 A non-repetitive forward surge (IFSM), enabling robust protection without fuse coordination. | Use Scenario: USB 2.0 data lines in infotainment head units requiring ±8 kV contact ESD immunity per IEC 61000-4-2. IC Role / Device Role / Timing Role: Bidirectional protection not applicable; SA6.0C used only on VBUS line due to unidirectional architecture. Use Value: 6.0 V VWM allows safe operation with 5 V nominal bus, while 46.0 V VC prevents data-line disturbance during clamping. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ6.0A | Lower PPK (400 W), tighter VBR tolerance (6.67–7.37 V), same DO-214AC package | Not AEC-Q101 qualified; suited for commercial-grade consumer systems | Select SMAJ6.0A only if automotive qualification is unnecessary and board space permits SMC footprint |
| P6SMB6.0A | Same 500 W rating but higher VC (49.3 V), wider VBR range (6.67–8.45 V), DO-214AA package | Higher clamping voltage increases risk of downstream overvoltage in tight-margin 5 V systems | Prefer SA6.0C where clamping voltage margin below 50 V is critical and AEC-Q101 compliance required |
Compared with SMAJ6.0A and P6SMB6.0A, the SA6.0C delivers lower clamping voltage (46.0 V vs. ≥49.3 V), verified AEC-Q101 qualification, and tighter VBR consistency-making it optimal for automotive 12 V rail protection where voltage margin and reliability are constrained.
Availability
SA6.0C is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, LED driver circuits, and USB VBUS line protection requiring stable component supply and long-term lifecycle support.
Supply support for SA6.0C 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 computing markets.
The SA Series was developed specifically for high-reliability transient suppression in harsh environments, emphasizing AEC-Q101 compliance, low clamping voltage, and robust surge handling in axial-leaded packages.
FAQ
What is the maximum clamping voltage of the SA6.0C under standard 10/1000 µs surge conditions?
The SA6.0C has a maximum clamping voltage (VC) of 46.0 V when subjected to a 600 A peak pulse current with a 10/1000 µs waveform. This value is measured at the device's rated peak pulse current and defines the upper voltage limit imposed on protected circuitry during transient events. The SA6.0C maintains this clamping performance across its specified operating temperature range.
Is the SA6.0C qualified to AEC-Q101, and what does that mean for automotive use?
Yes, the SA6.0C is AEC-Q101 qualified, confirming it has passed accelerated stress testing for automotive-grade reliability-including high-temperature reverse bias, temperature cycling, and unbiased highly accelerated stress testing. This qualification validates the SA6.0C for use in engine control units, body electronics, and other automotive subsystems where failure is not acceptable.
What is the working stand-off voltage (VWM) of the SA6.0C, and how does it relate to system voltage?
The SA6.0C has a working stand-off voltage (VWM) of 6.0 V, meaning it remains in high-impedance state up to this DC or RMS voltage level. For 5 V systems, this provides sufficient margin above nominal rail voltage while allowing fast response to transients exceeding VBR (6.67–8.15 V). The SA6.0C is therefore suitable for protecting 5 V logic supplies and USB VBUS lines.
Does the SA6.0C have bidirectional capability, and how is polarity identified?
No, the SA6.0C is a unidirectional TVS diode. Polarity is marked by a cathode band on the DO-204AC (DO-15) package body. The cathode terminal connects to the protected line (e.g., 5 V rail), and the anode connects to ground. Bidirectional variants in the SA series use "CA" suffixes (e.g., SA6.0CA), which the SA6.0C does not carry.
What is the junction temperature range and thermal derating behavior of the SA6.0C?
The SA6.0C operates from −55°C to +175°C junction temperature. Its peak pulse power rating of 500 W is specified at TA = 25°C and must be linearly derated above that ambient temperature per Figure 2 in the datasheet. At 75°C ambient, the SA6.0C retains approximately 70% of its rated PPK, ensuring usable surge capacity in under-hood environments.
SA6.0C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-204AC, DO-15, Axial
- Series:
- SA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 6V
- Voltage - Breakdown (Min):
- 6.67V
- Voltage - Clamping (Max) @ Ipp:
- 11.4V
- Current - Peak Pulse (10/1000µs):
- 46A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
SA6.0C FAQ
1.How can I place an order for SA6.0C through Aetrix?
Please submit a Request for Quotation (RFQ) for SA6.0C 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 SA6.0C reliable?
The price and inventory of SA6.0C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA6.0C is usually 5 days.
3.What payment methods are accepted for SA6.0C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA6.0C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA6.0C?
SA6.0C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA6.0C 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 SA6.0C?
For technical support, including SA6.0C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA6.0C requirements.
6.How does Aetrix verify that SA6.0C is sourced from the original manufacturer or authorized distributors?
All SA6.0C 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 SA6.0C meets industry standards.
7.What is the process for return or replacement of SA6.0C?
All SA6.0C units undergo pre-shipment inspection (PSI). If there is an issue with SA6.0C, 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 SA6.0C part is unused and in its original packaging.
Return procedure for SA6.0C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SA6.0C Tags
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