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Taiwan Semiconductor Corporation SA60
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- Part No.:
- SA60
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA60.pdf
- Description:
- 500W, 74.1V, 10%, UNIDIRECTIONAL
- Quantity:
- Payment:
- Shipping:
Inventory:8,619
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Product details
Overview
SA60 from Taiwan Semiconductor is a unidirectional 500W transient voltage suppressor (TVS) diode in DO-204AC (DO-15) package, with 60V working stand-off voltage (VWM), 66.7–81.5V breakdown voltage (VBR @ 1mA), 107V clamping voltage at 4.9A peak pulse current, and -55°C to +175°C operating junction temperature. It protects automotive and industrial power rails against ESD, EFT, and inductive switching transients.
For engineers reviewing the SA60 datasheet, SA60 pinout, SA60 application, or SA60 equivalent, this page delivers verified electrical parameters, mechanical package details, real-world protection use cases, and validated alternative parts for circuit-level surge immunity design.
Technical Context
The SA60 operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its VBR range (66.7–81.5V). Its low dynamic impedance enables rapid clamping under 10/1000μs surges, limiting transient energy to safe levels for downstream ICs and MOSFETs.
Designed for high-reliability environments, it meets AEC-Q101 qualification (when ordered as SA60H), supports 70A non-repetitive forward surge current, and maintains <1μA leakage above 10V - critical for low-power standby circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - Maximum continuous DC or RMS voltage the device blocks without conduction |
| VBR min/max | 66.7 V / 81.5 V @ 1 mA - Confirmed avalanche onset range defining turn-on threshold tolerance |
| VC @ IPPM | 107 V @ 4.9 A - Clamped voltage during 10/1000μs surge, directly limiting stress on protected ICs |
| PPK | 500 W - Peak pulse power handling per single 10/1000μs transient, per IEC 61000-4-5 |
| TJ max | +175 °C - Enables operation in under-hood automotive or high-ambient industrial environments |
| IR @ VWM | <1 μA - Ensures negligible standby current drain in battery-powered or always-on systems |
| Package | DO-204AC (DO-15) - Industry-standard axial leaded package with 0.400g mass and UL 94V-0 molding |
Pinout & Package
DO-204AC (DO-15) axial-leaded package with cathode band marking polarity. Leads are pure tin-plated, solderable per J-STD-002, and pass JESD 201 Class 2 whisker testing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to ground or low-side return path in unidirectional TVS configuration |
| Cathode | Avalanche clamping terminal | Connected to protected line (e.g., 60V rail); cathode band identifies polarity for correct PCB orientation |
Key Features
| Feature | Design Value |
|---|---|
| 500W peak pulse power rating | Supports robust immunity to IEC 61000-4-5 Level 4 (4kV) surges on 60V supply lines |
| Clamping voltage ≤107V at 4.9A | Ensures protected ICs see <107V during worst-case transients - well below typical 120V absolute maximum ratings |
| Leakage <1μA above 10V | Minimizes quiescent current impact in always-on 60V sensor or control modules |
| AEC-Q101 qualified variant available (SA60H) | Validated for automotive powertrain and chassis applications requiring zero-failure reliability |
Applications
| Automotive Power Rail Protection | Industrial PLC Input Protection |
|---|---|
Use Scenario: 60V battery-fed control module in commercial vehicle experiencing load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between 60V rail and ground to clamp transients before they reach MCU power pins. Use Value: Limits voltage excursion to ≤107V during 500W surges, preventing latch-up or gate oxide damage in 65V-rated power management ICs. | Use Scenario: Analog input channel of programmable logic controller exposed to field-wiring inductive kickback from solenoid valves. IC Role / Device Role / Timing Role: SA60 installed at connector entry point to shunt fast-rising transients (<5ns response) before reaching precision ADC front-end. Use Value: Sub-1ns response ensures clamping initiates before transient edge propagates into signal conditioning stage, preserving measurement integrity. |
| LED Driver Overvoltage Clamp | Telecom Power Supply Surge Suppression |
Use Scenario: Constant-current LED driver board powered from 60V DC supply subjected to lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: SA60 placed across input capacitor to absorb energy and hold rail voltage within safe margin of driver IC's 75V absolute max rating. Use Value: 107V clamping voltage provides 8V design margin below driver IC limit, enabling reliable operation without derating or oversized capacitors. | Use Scenario: 60V intermediate bus in telecom rectifier module facing repetitive EFT bursts per IEC 61000-4-4. IC Role / Device Role / Timing Role: SA60 deployed on secondary-side output to protect DC-DC controllers and MOSFETs from coupled noise. Use Value: Low leakage (<1μA) avoids loading the regulated 60V bus during normal operation while delivering full 500W surge capacity during transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse SMAJ60A | Same DO-214AC package; 60V VWM, 66.7–73.7V VBR, 96.8V VC @ 5.4A - lower clamping voltage but 400W PPK rating | Preferred where tighter clamping is prioritized over single-event energy handling | Select SMAJ60A if system requires lower VC and operates below 400W surge threat level |
| ON Semiconductor 1.5SMC60A | DO-214AB package; 60V VWM, 66.7–73.7V VBR, 96.8V VC @ 5.4A - identical electrical specs but larger footprint and 1.5kW peak rating | Suitable for higher-energy legacy designs using SMC package footprints | Choose 1.5SMC60A only when board layout uses SMC pads and >500W margin is required |
Compared with SMAJ60A and 1.5SMC60A, SA60 offers identical VWM/VBR/VC performance in a smaller DO-15 package with certified 500W capability - optimal for space-constrained automotive and industrial boards needing precise 60V rail protection.
Availability
SA60 is available at Aetrix Electronics and suitable for automotive power rail protection, industrial PLC input stages, LED driver overvoltage clamping, and telecom power supply surge suppression requiring stable component supply across production lifecycles.
Supply support for SA60 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, and power devices since 1979.
The SA Series was developed specifically for high-energy transient suppression in automotive, industrial, and telecom infrastructure - emphasizing AEC-Q101 compliance, tight VBR tolerances, and repeatable clamping performance across temperature.
FAQ
What is the maximum clamping voltage of SA60 under standard 10/1000μs surge conditions?
The SA60 has a maximum clamping voltage (VC) of 107 V when subjected to its rated peak pulse current of 4.9 A under the 10/1000μs waveform. This value is measured per IEC 61000-4-5 and defines the upper voltage limit imposed on protected circuitry during surge events - critical for ensuring downstream ICs remain within their absolute maximum ratings.
Is SA60 unidirectional or bidirectional, and how is polarity identified?
The SA60 is a unidirectional TVS diode, designed for DC rail protection where polarity is fixed. Polarity is identified by a cathode band marked on the DO-204AC (DO-15) package body - the banded end connects to the protected line (e.g., 60V rail), while the unbanded end connects to ground. Bidirectional variants use "CA" suffixes (e.g., SA60CA), not applicable to SA60.
Does SA60 meet AEC-Q101 qualification for automotive use?
The base SA60 part is not AEC-Q101 qualified; however, the SA60H variant - indicated by the "H" suffix in the ordering code - is fully AEC-Q101 qualified and tested per stress test conditions including temperature cycling, humidity bias, and high-temperature operating life. For automotive applications, specify SA60H to ensure compliance.
What is the thermal resistance and maximum junction temperature for SA60?
The SA60 has a maximum operating junction temperature (TJ) of +175°C and a storage temperature range of -55°C to +175°C. While the datasheet does not specify RθJA or RθJC values, its DO-204AC package achieves thermal performance sufficient for 3W steady-state dissipation at TL = 75°C with 10×10 mm copper pads - enabling use in high-ambient under-hood or industrial enclosures.
How does SA60 compare to SA60A in terms of breakdown voltage and clamping performance?
The SA60 has a VBR range of 66.7–81.5V and clamps at 107V @ 4.9A, whereas the SA60A has a tighter VBR range of 66.7–73.7V and clamps at 96.8V @ 5.4A. The SA60A offers lower clamping voltage and improved VBR consistency but trades off slightly reduced surge current handling - making SA60 preferred for higher-energy threats and SA60A for precision clamping where lower VC is critical.
SA60 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 107V
- Current - Peak Pulse (10/1000µs):
- 4.9A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
SA60 FAQ
1.How can I place an order for SA60 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA60 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 SA60 reliable?
The price and inventory of SA60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA60 is usually 5 days.
3.What payment methods are accepted for SA60?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA60 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA60?
SA60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA60 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 SA60?
For technical support, including SA60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA60 requirements.
6.How does Aetrix verify that SA60 is sourced from the original manufacturer or authorized distributors?
All SA60 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 SA60 meets industry standards.
7.What is the process for return or replacement of SA60?
All SA60 units undergo pre-shipment inspection (PSI). If there is an issue with SA60, 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 SA60 part is unused and in its original packaging.
Return procedure for SA60:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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