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Home > Products > Circuit Protection > Transient Voltage Suppressors (TVS) > TVS Diodes

Vishay General Semiconductor - Diodes Division SA6.0CAHE3/54

Name: SA6.0CAHE3/54
Brand: Vishay General Semiconductor - Diodes Division
SKU: SA6.0CAHE3/54
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SA6.0CAHE3/54

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: TVS Diodes

Package:: DO-204AC, DO-15, Axial

Datasheet:: SA6.0CAHE3/54.pdf

Description:: TVS DIODE 6VWM 10.3VC DO204AC

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Product details

Overview

SA6.0CAHE3/54 from Vishay General Semiconductor is a bidirectional TransZORB® transient voltage suppressor (TVS) diode in DO-15 package, designed for clamping inductive switching transients and lightning-induced surges on signal/power lines. It features 500 W peak pulse power (10/1000 μs), 6.0 V stand-off voltage (V_WM), 7.37 V max breakdown voltage (V_BR), 48.5 V clamping voltage at 600 A (V_C), and AEC-Q101 qualification for automotive-grade reliability.

For engineers reviewing the SA6.0CAHE3/54 datasheet, SA6.0CAHE3/54 pinout, SA6.0CAHE3/54 application, or SA6.0CAHE3/54 equivalent, key selection criteria include bidirectional clamping capability, DO-15 mechanical compatibility, 175 °C junction temperature rating, low incremental surge resistance, and compliance with IEC 61000-4-2/4-5 surge immunity requirements in industrial and automotive electronics.

Technical Context

The SA6.0CAHE3/54 operates as a symmetric, bidirectional avalanche diode with no polarity marking - its terminals are interchangeable for reverse- and forward-direction transient suppression. It uses glass-passivated silicon junction technology to achieve sub-nanosecond response time and stable clamping under repetitive 10/1000 μs surge waveforms at 0.01 % duty cycle.

Its thermal design supports continuous power dissipation up to 3.0 W on an infinite heatsink at 75 °C lead temperature, with derating above 25 °C ambient per Fig. 2. The device sustains 600 A peak pulse current (I_PPM) while maintaining clamping voltage ≤48.5 V, enabling robust protection of downstream MOSFETs, microcontrollers, and sensor interfaces without overvoltage stress.

Key Specifications

Parameter	Value and Actual Design Meaning
V_WM	6.0 V - Maximum continuous reverse operating voltage before conduction begins; defines safe operating margin below system rail.
V_BR (min/max)	6.67 V / 7.37 V at 10 mA - Ensures reliable avalanche initiation within tight tolerance for consistent clamping onset.
V_C @ I_PPM	48.5 V at 600 A - Clamped voltage during worst-case 10/1000 μs surge; determines maximum stress on protected IC.
P_PPM	500 W - Peak transient energy handling capacity; validates suitability for IEC 61000-4-5 Level 3 (1 kV/2 Ω) testing.
T_J max	175 °C - Enables operation in under-hood automotive environments and high-ambient industrial enclosures.
Package	DO-15 (DO-204AC) - Industry-standard axial-leaded package with 0.258" body length; compatible with legacy through-hole assembly.
AEC-Q101	Qualified - Confirmed reliability for automotive applications including engine control units and body electronics.

Pinout & Package

SA6.0CAHE3/54 is a bidirectional TVS diode in DO-15 (DO-204AC) package with unmarked, symmetrical leads - both terminals serve identical roles in surge suppression. No cathode band or polarity marking is present.

Pin/Terminal	Circuit Role	Design Meaning
Anode/Cathode (symmetrical)	Transient current path	Either terminal conducts bidirectionally during overvoltage events; no PCB layout polarity constraint required.
Leads (matte tin plated)	PCB interface & thermal path	Solderable per J-STD-002/JESD 22-B102; supports 275 °C solder dip (10 s); provides mechanical anchoring and limited heat conduction.

Key Features

Feature	Design Value
Glass passivated chip junction	Enables stable, low-leakage (<1.0 μA at V_WM) performance across -55 °C to +175 °C operating range.
500 W peak pulse power (10/1000 μs)	Supports repeated surge events in industrial motor drives and telecom line cards without degradation.
AEC-Q101 qualification	Validates reliability for automotive powertrain and ADAS sensor protection where field failure is unacceptable.
UL 94 V-0 molded epoxy case	Meets flammability safety requirements for enclosed consumer and medical equipment designs.
Low incremental surge resistance	Minimizes V_C overshoot during fast-rising transients (e.g., ESD, relay bounce), improving protected circuit margin.

Applications

Automotive Sensor Protection	Industrial PLC I/O Protection
Use Scenario: Protecting CAN bus transceivers and analog sensor inputs (e.g., oxygen, pressure) from load dump and alternator ripple in 12 V vehicle systems. IC Role / Device Role / Timing Role: Bidirectional clamping element placed across signal/power lines to shunt transient energy before it reaches sensitive analog front-ends. Use Value: Maintains signal integrity during ISO 7637-2 Pulse 5a (load dump) events by clamping to ≤48.5 V while surviving 175 °C under-hood temperatures.	Use Scenario: Shielding digital input modules in programmable logic controllers from inductive kickback generated by solenoid valves and contactors. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 24 V DC input channels, absorbing repetitive 500 W surges without parameter drift. Use Value: Eliminates need for external series impedance or RC snubbers due to sub-1 ns response and low dynamic impedance.
Telecom Line Interface	Consumer Appliance Motor Control
Use Scenario: Safeguarding Ethernet PHYs and RS-485 transceivers against lightning-induced surges on outdoor data lines per IEC 61000-4-5. IC Role / Device Role / Timing Role: First-stage surge protector mounted at connector entry point, diverting >90 % of 10/1000 μs energy to ground. Use Value: Achieves Level 3 (4 kV line-earth) immunity with single-device solution, reducing BOM count and PCB area vs. multi-stage designs.	Use Scenario: Suppressing commutation spikes from brushed DC motors in washing machines and HVAC blowers connected to microcontroller GPIOs. IC Role / Device Role / Timing Role: Parallel-connected TVS across motor terminals and MCU signal lines to prevent latch-up or gate oxide damage. Use Value: Withstands 70 A non-repetitive forward surge (IFSM) and maintains <1.0 μA leakage at 6.0 V, ensuring low standby power impact.

Automotive Sensor Protection

Industrial PLC I/O Protection

Use Scenario: Protecting CAN bus transceivers and analog sensor inputs (e.g., oxygen, pressure) from load dump and alternator ripple in 12 V vehicle systems.

IC Role / Device Role / Timing Role: Bidirectional clamping element placed across signal/power lines to shunt transient energy before it reaches sensitive analog front-ends.

Use Value: Maintains signal integrity during ISO 7637-2 Pulse 5a (load dump) events by clamping to ≤48.5 V while surviving 175 °C under-hood temperatures.

Use Scenario: Shielding digital input modules in programmable logic controllers from inductive kickback generated by solenoid valves and contactors.

IC Role / Device Role / Timing Role: Primary overvoltage clamp on 24 V DC input channels, absorbing repetitive 500 W surges without parameter drift.

Use Value: Eliminates need for external series impedance or RC snubbers due to sub-1 ns response and low dynamic impedance.

Telecom Line Interface

Consumer Appliance Motor Control

Use Scenario: Safeguarding Ethernet PHYs and RS-485 transceivers against lightning-induced surges on outdoor data lines per IEC 61000-4-5.

IC Role / Device Role / Timing Role: First-stage surge protector mounted at connector entry point, diverting >90 % of 10/1000 μs energy to ground.

Use Value: Achieves Level 3 (4 kV line-earth) immunity with single-device solution, reducing BOM count and PCB area vs. multi-stage designs.

Use Scenario: Suppressing commutation spikes from brushed DC motors in washing machines and HVAC blowers connected to microcontroller GPIOs.

IC Role / Device Role / Timing Role: Parallel-connected TVS across motor terminals and MCU signal lines to prevent latch-up or gate oxide damage.

Use Value: Withstands 70 A non-repetitive forward surge (IFSM) and maintains <1.0 μA leakage at 6.0 V, ensuring low standby power impact.

Equivalent & Alternatives

The following parts are listed as comparable options for similar transient voltage suppression applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SMA6.0CAHE3/A	Same electrical specs but in SMC (DO-214AB) surface-mount package; 1.5 mm lower height, higher thermal mass.	Better suited for automated SMT production and space-constrained layouts; less suitable for manual repair or high-vibration environments.	Select SMA6.0CAHE3/A when board real estate or assembly process favors SMD over axial leads.
1.5KE6.8CA	Higher P_PPM (1500 W), larger DO-201AD package, looser V_BR tolerance (6.45–7.13 V), same V_WM (6.8 V).	Used where higher surge margin is needed (e.g., AC mains input stages); not drop-in due to different V_WM and footprint.	Choose 1.5KE6.8CA only if system-level testing requires >500 W surge headroom and board layout allows larger case.

Compared with SMA6.0CAHE3/A and 1.5KE6.8CA, SA6.0CAHE3/54 offers optimal balance of proven DO-15 mechanical robustness, AEC-Q101 qualification, and precise 6.0 V stand-off for 5 V–6 V logic rail protection - making it preferred for automotive and industrial through-hole designs requiring long-term reliability validation.

Availability

SA6.0CAHE3/54 is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC I/O cards, telecom line interfaces, and consumer appliance motor controls requiring stable component supply and AEC-Q101-compliant surge protection.

Supply support for SA6.0CAHE3/54 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

Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and passive components with emphasis on reliability, efficiency, and application-specific optimization.

The SAxxCA series is part of Vishay's TransZORB® TVS family, engineered specifically for robust, bidirectional transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where ESD, lightning, and inductive switching threats are prevalent.

FAQ

What is the clamping voltage of SA6.0CAHE3/54 at its rated peak pulse current?

The SA6.0CAHE3/54 has a maximum clamping voltage (V_C) of 48.5 V at 600 A peak pulse current (I_PPM) under the standard 10/1000 μs waveform. This value ensures protected circuits remain below critical overvoltage thresholds during surge events. The SA6.0CAHE3/54 achieves this with low dynamic impedance and stable avalanche characteristics across its full operating temperature range.

Is SA6.0CAHE3/54 suitable for automotive applications?

Yes, SA6.0CAHE3/54 is AEC-Q101 qualified and rated for operation from -55 °C to +175 °C, making it suitable for under-hood and cabin automotive applications such as engine control sensors, body electronics, and infotainment interfaces. Its bidirectional symmetry and DO-15 mechanical robustness align with automotive harness and connector protection requirements. The SA6.0CAHE3/54 meets stringent reliability and thermal cycling standards required for automotive deployment.

Does SA6.0CAHE3/54 have polarity markings?

No, SA6.0CAHE3/54 is a bidirectional TVS diode and carries no polarity marking - both leads are functionally identical. This eliminates orientation errors during manual or automated assembly and simplifies PCB layout. The absence of a cathode band reflects its symmetric breakdown behavior in both directions, a key feature confirmed in the Vishay datasheet for all CA-suffix devices in the SAxxCA family, including SA6.0CAHE3/54.

What is the maximum steady-state power dissipation for SA6.0CAHE3/54?

The SA6.0CAHE3/54 has a maximum steady-state power dissipation (P_D) of 3.0 W when mounted on an infinite heatsink at a lead temperature (T_L) of 75 °C. Derating applies above 25 °C ambient per Figure 2 in the datasheet. This rating supports continuous operation in thermally managed industrial environments but is not intended for sustained DC power dissipation - the device is optimized for transient, not steady-state, energy absorption. SA6.0CAHE3/54 relies on short-duration surge handling rather than continuous thermal dissipation.

How does SA6.0CAHE3/54 differ from unidirectional SA6.0AHE3/54?

SA6.0CAHE3/54 is bidirectional with symmetric clamping in both polarities and no cathode marking, whereas SA6.0AHE3/54 is unidirectional with a cathode band and conducts only in reverse bias. Their V_WM differs slightly (6.0 V vs. 6.0 V), but V_BR min/max and V_C are closely matched. The "CA" suffix explicitly denotes bidirectional functionality - a critical distinction for AC-coupled or floating signal line protection. SA6.0CAHE3/54 enables simpler layout and broader application coverage where polarity reversal or differential transients are possible.

SA6.0CAHE3/54 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Package/Case:: DO-204AC, DO-15, Axial

Series:: TransZorb®

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:: 10.3V

Current - Peak Pulse (10/1000µs):: 48.5A

Power - Peak Pulse:: 500W

Power Line Protection:: No

Applications:: -

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)

SA6.0CAHE3/54 FAQ

1.How can I place an order for SA6.0CAHE3/54 through Aetrix?

Please submit a Request for Quotation (RFQ) for SA6.0CAHE3/54 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 SA6.0CAHE3/54 reliable?

The price and inventory of SA6.0CAHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA6.0CAHE3/54 is usually 5 days.

3.What payment methods are accepted for SA6.0CAHE3/54?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA6.0CAHE3/54 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SA6.0CAHE3/54?

SA6.0CAHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SA6.0CAHE3/54 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 SA6.0CAHE3/54?

For technical support, including SA6.0CAHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA6.0CAHE3/54 requirements.

6.How does Aetrix verify that SA6.0CAHE3/54 is sourced from the original manufacturer or authorized distributors?

All SA6.0CAHE3/54 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 SA6.0CAHE3/54 meets industry standards.

7.What is the process for return or replacement of SA6.0CAHE3/54?

All SA6.0CAHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA6.0CAHE3/54, 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 SA6.0CAHE3/54 part is unused and in its original packaging.

Return procedure for SA6.0CAHE3/54:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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