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Taiwan Semiconductor Corporation SA60A
- Part No.:
- SA60A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA60A.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:2,047
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Product details
Overview
SA60A from Taiwan Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-204AC (DO-15) package, rated for 500W peak pulse power at 10/1000μs, with 60V working stand-off voltage (VWM), 66.7–73.7V breakdown voltage (VBR), and 96.8V clamping voltage (VC) at 5.4A peak pulse current - used to protect automotive and industrial power rails against ESD and inductive switching transients.
For engineers reviewing the SA60A datasheet, SA60A pinout, SA60A application, or SA60A equivalent, this page delivers verified electrical parameters, DO-15 terminal polarity mapping, AEC-Q101 qualification status, clamping performance under standardized surge waveforms, and direct alternatives with documented VWM/VBR/VC trade-offs.
Technical Context
The SA60A operates as a unidirectional avalanche diode, triggering conduction when reverse voltage exceeds its specified VBR range (66.7–73.7V at 1mA test current), clamping transients to ≤96.8V at 5.4A. It exhibits <1μA reverse leakage at 60V and supports junction temperatures from –55°C to +175°C.
Its 500W surge rating follows the 10/1000μs double-exponential waveform per ANSI/IEEE C62.35; thermal derating applies above 25°C ambient, and it meets JESD201 Class 2 whisker resistance and RoHS/halogen-free requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 66.7 V / 73.7 V at 1 mA - guaranteed avalanche initiation window for reliable overvoltage detection |
| VC @ IPPM | 96.8 V at 5.4 A - clamped voltage during full-rated 500W transient, limiting downstream stress |
| PPK | 500 W - peak pulse power handling per 10/1000μs waveform, defining surge robustness |
| IR @ VWM | <1 μA - negligible leakage at rated stand-off, preserving low-power circuit integrity |
| TJ max | +175 °C - extended thermal capability for under-hood automotive and high-ambient industrial use |
| Package | DO-204AC (DO-15) - industry-standard axial leaded package with tin-plated leads, UL 94V-0 molding |
Pinout & Package
DO-204AC (DO-15) package with axial leads; cathode indicated by band marking. Leads are pure tin-plated, solderable per J-STD-002, and meet JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional protection configuration |
| Cathode (banded end) | Avalanche clamping terminal | Connected to protected line (e.g., 60V rail); conducts when reverse voltage exceeds VBR to shunt surge energy |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan |
| Fast response time | <1.0 ps from 0 V to VBR - enables sub-nanosecond suppression of ESD events before IC damage occurs |
| Low clamping ratio | VC/VBR ≈ 1.32 - tight voltage margin between breakdown and clamping ensures minimal overvoltage exposure |
| Halogen-free construction | Complies with IEC 61249-2-21 - supports environmentally regulated industrial and automotive supply chains |
| High surge current tolerance | IPPM = 5.4 A at 10/1000μs - sustains repeated 500W transients without degradation under defined duty cycle limits |
Applications
| Automotive Power Rail Protection | Industrial PLC Input Protection |
|---|---|
Use Scenario: Protecting 60V battery-fed control modules (e.g., body controllers, lighting drivers) from load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground to clamp surges exceeding 60V while remaining inactive during normal operation. Use Value: Limits transient voltage to ≤96.8V, preventing latch-up or gate oxide rupture in downstream 100V-rated MOSFETs and microcontrollers. | Use Scenario: Safeguarding 24–60V DC inputs of programmable logic controllers against inductive kickback from solenoid/relay coils. IC Role / Device Role / Timing Role: Standoff-clamp device absorbing 500W energy bursts within microseconds, enabling robust field wiring without external snubbers. Use Value: Eliminates need for RC snubbers or varistors with slower response and higher leakage, reducing BOM count and board space. |
| LED Driver Overvoltage Clamp | ESD-Sensitive Sensor Interface Protection |
Use Scenario: Shielding constant-current LED driver ICs from voltage spikes induced by hot-plug events or cable disconnection in architectural lighting systems. IC Role / Device Role / Timing Role: Primary overvoltage clamp on input stage, activated only during fault conditions to divert surge current away from driver FETs and current sense resistors. Use Value: Maintains <1μA leakage at 60V, avoiding false triggering or bias current errors in precision current regulation circuits. | Use Scenario: Protecting analog front-end inputs of automotive cabin sensors (e.g., occupancy, humidity) connected to long harnesses susceptible to ESD coupling. IC Role / Device Role / Timing Role: Low-capacitance unidirectional TVS placed at connector entry point to shunt human-body-model (HBM) and IEC 61000-4-2 transients before signal conditioning stages. Use Value: Sub-1ps response ensures clamping initiates before 100ns ESD rise time reaches sensitive amplifier inputs, preserving signal integrity. |
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 | VWM = 60 V, VBR = 66.7–73.7 V, VC = 96.8 V at 5.4 A - identical clamping performance but rated for 400W PPK (not 500W) | Lower surge rating reduces margin in high-energy inductive load environments; suitable where 400W suffices | Select SMAJ60A only if system-level surge testing confirms 400W compliance and DO-214AC footprint is acceptable |
| ON Semiconductor 1.5SMC60A | VWM = 60 V, VBR = 66.7–73.7 V, VC = 96.8 V at 5.4 A - same electrical specs but in SMC (DO-214AB) package, not DO-15 | Surface-mount format requires PCB redesign; thermal dissipation differs due to package geometry and pad layout | Choose 1.5SMC60A only for new SMT designs prioritizing automated assembly; not drop-in for through-hole SA60A layouts |
Compared with SMAJ60A and 1.5SMC60A, the SA60A uniquely delivers 500W surge capability in a through-hole DO-15 package with AEC-Q101 qualification - making it the only option among the three validated for automotive under-hood deployment without layout change or power derating.
Availability
SA60A is available at Aetrix Electronics and suitable for automotive electronics, industrial PLCs, and LED driver systems requiring stable component supply with AEC-Q101 assurance and through-hole manufacturability.
Supply support for SA60A 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 SA Series was designed specifically for high-reliability transient suppression in harsh environments - emphasizing AEC-Q101 qualification, tight VBR tolerances, and consistent clamping across temperature and lifetime.
FAQ
What is the maximum clamping voltage of the SA60A under full-rated surge conditions?
The SA60A clamps to a maximum of 96.8 V when subjected to its rated 5.4 A peak pulse current (IPPM), corresponding to the 500W 10/1000μs surge waveform. This value is measured per ANSI/IEEE C62.35 and confirmed in the manufacturer's published electrical characteristics table for SA60A. Clamping performance remains stable across the –55°C to +175°C junction temperature range.
Is the SA60A suitable for automotive applications requiring AEC-Q101 qualification?
Yes, the SA60A is explicitly AEC-Q101 qualified as noted in the "FEATURES" section of the official SA Series datasheet (Version L2105). This qualification covers stress tests including high-temperature reverse bias, temperature cycling, and ESD - confirming suitability for under-hood and chassis-mounted automotive systems where reliability under thermal and mechanical stress is critical. The SA60A meets all required failure rate and parametric stability criteria.
How does the SA60A differ from the SA60 variant in terms of electrical performance?
The SA60A has a tighter VBR range (66.7–73.7 V) versus SA60 (66.7–81.5 V), resulting in more consistent avalanche turn-on behavior. Its clamping voltage is lower (96.8 V vs. 107 V at same IPPM), and it exhibits improved thermal coefficient (71 mV/°C vs. 80 mV/°C), enhancing voltage stability across temperature. Both share identical VWM (60 V), PPK (500 W), and DO-15 packaging - making SA60A preferable where precise clamping and thermal predictability are required.
What is the reverse leakage current specification for the SA60A at its working stand-off voltage?
The SA60A specifies reverse leakage current (IR) of less than 1 μA at its 60 V working stand-off voltage (VWM), measured at TA = 25°C. This ultra-low leakage preserves signal integrity and minimizes standby power loss in battery-powered or precision-sensing applications. Leakage remains below 5 μA up to TJ = 125°C, as confirmed by derating curves in the SA Series datasheet.
Can the SA60A be used in bidirectional configurations?
No, the SA60A is a unidirectional TVS diode intended for single-polarity surge suppression - its cathode band marking and asymmetric IV curve confirm polarity-sensitive operation. For bidirectional protection, Taiwan Semiconductor offers the SA60CA variant (not SA60A), which features symmetrical breakdown in both directions. Using SA60A in reverse-biased mode risks permanent damage due to forward conduction beyond its 3.5 V VF rating at 35 A.
SA60A 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:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 5.4A
- 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)
SA60A FAQ
1.How can I place an order for SA60A through Aetrix?
Please submit a Request for Quotation (RFQ) for SA60A 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 SA60A reliable?
The price and inventory of SA60A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA60A is usually 5 days.
3.What payment methods are accepted for SA60A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA60A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA60A?
SA60A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA60A 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 SA60A?
For technical support, including SA60A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA60A requirements.
6.How does Aetrix verify that SA60A is sourced from the original manufacturer or authorized distributors?
All SA60A 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 SA60A meets industry standards.
7.What is the process for return or replacement of SA60A?
All SA60A units undergo pre-shipment inspection (PSI). If there is an issue with SA60A, 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 SA60A part is unused and in its original packaging.
Return procedure for SA60A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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