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Vishay General Semiconductor - Diodes Division SA150AHE3/54
- Part No.:
- SA150AHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA150AHE3/54.pdf
- Description:
- TVS DIODE 150VWM 243VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:8,583
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Product details
Overview
SA150AHE3/54 from Vishay General Semiconductor is a unidirectional TransZORB® transient voltage suppressor (TVS) diode in DO-15 package, designed for primary overvoltage protection of DC power rails and signal lines. It features a 150 V stand-off voltage (VWM), 167–185 V breakdown voltage (VBR) at 1.0 mA, 500 W peak pulse power (10/1000 µs), clamping voltage of 243 V at 2.1 A, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the SA150AHE3/54 datasheet, SA150AHE3/54 pinout, SA150AHE3/54 application, or SA150AHE3/54 equivalent, key selection criteria include its unidirectional polarity, DO-15 mechanical compatibility, 175 °C max junction temperature, low 1.0 µA reverse leakage at VWM, and suitability for inductive load switching surge suppression in automotive ECUs and industrial controllers.
Technical Context
The SA150AHE3/54 operates as a silicon avalanche diode with glass-passivated junction, enabling fast response (<1 ns) to transient events and stable clamping under repetitive 10/1000 µs surges at 0.01% duty cycle. Its unidirectional configuration provides forward conduction path while suppressing reverse transients up to 243 V at rated peak current.
Designed for placement across protected lines and ground, it delivers 500 W peak pulse power dissipation without thermal runaway, supported by 3.0 W steady-state power rating on infinite heatsink and robust 70 A IFSM surge capability - critical for automotive load-dump and ISO 7637-2 compliance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 150 V - maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 167 V / 185 V at 1.0 mA - ensures reliable avalanche initiation within tight tolerance band |
| VC @ IPPM | 243 V at 2.1 A - clamping voltage limits downstream IC stress during 10/1000 µs surge |
| IPPM | 2.1 A - peak pulse current capacity derived from 500 W rating and VC |
| Leakage ID | 1.0 µA max at VWM - negligible standby power loss in always-on systems |
| TJ max | +175 °C - enables operation in under-hood automotive environments |
| AEC-Q101 | Qualified - validated for automotive electronics per stress test requirements |
Pinout & Package
DO-15 (DO-204AC) molded epoxy package with matte tin-plated leads; cathode indicated by color band on body end. Leads solderable per J-STD-002 and JESD 22-B102; compliant with JESD 201 class 2 whisker test (HE3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connects to lower-potential side (e.g., ground or return path) in unidirectional TVS configuration |
| Cathode | Avalanche clamping terminal | Connects to protected line (e.g., 12 V rail); color band marks this end for polarity verification |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures long-term stability and low parameter drift under thermal cycling and humidity stress |
| 500 W peak pulse power (10/1000 µs) | Withstands high-energy transients typical of automotive load dump and inductive switch-off |
| AEC-Q101 qualification | Validates reliability for automotive control modules, body electronics, and ADAS sensor interfaces |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving system-level ESD and surge immunity |
| UL 94 V-0 molding compound | Meets flammability safety requirements for enclosed industrial and automotive enclosures |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting microcontroller GPIOs and CAN transceiver power rails from load-dump spikes and relay coil flyback in vehicle door modules. IC Role / Device Role / Timing Role: Primary clamping device placed between 12 V supply and ground, triggered within nanoseconds of overvoltage event. Use Value: Limits transient voltage to ≤243 V, preventing latch-up or permanent damage to 3.3 V/5 V logic and communication ICs downstream. | Use Scenario: Safeguarding 24 V digital input channels against field-wiring induced surges and electrostatic discharge in factory automation I/O modules. IC Role / Device Role / Timing Role: Front-end protection element mounted directly at connector entry point, shunting surge energy to chassis ground. Use Value: Maintains <1.0 µA leakage at 24 V nominal, avoiding false triggering while clamping 1 kV/1 A transients per IEC 61000-4-5. |
| Telecom Power Supply Input Stage | Consumer Appliance Motor Drive Board |
Use Scenario: Guarding AC/DC adapter secondary-side DC bus against lightning-induced surges entering via PoE or external power inputs. IC Role / Device Role / Timing Role: Secondary-side TVS connected across +VOUT and GND, activated after primary MOV suppression. Use Value: Provides precise 150 V clamping threshold aligned with 12 V or 24 V output regulation, reducing need for oversized capacitors. | Use Scenario: Suppressing back-EMF from brushed DC motors in washing machine control boards during commutation and stall conditions. IC Role / Device Role / Timing Role: Unidirectional clamp across motor terminals or H-bridge supply rail, conducting only during negative voltage excursions. Use Value: Withstands 70 A non-repetitive forward surge (IFSM), surviving repeated motor startup currents without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150A-E3/54 | Same VWM (150 V), but SMA package (DO-214AC); 400 W PPPM; 224 V VC at 1.8 A | Surface-mount footprint; lower power rating; suited for space-constrained PCBs with moderate surge exposure | Select when board real estate is limited and peak surge energy is ≤400 W |
| 1.5KE150A | Same VWM/VBR range, but DO-201AD package; 1500 W PPPM; 243 V VC at 6.2 A | Higher power handling; larger body; used in legacy designs requiring higher surge margin | Select when system-level testing requires >500 W surge immunity or legacy DO-201AD footprint compatibility |
Compared with SMAJ150A-E3/54 and 1.5KE150A, the SA150AHE3/54 offers AEC-Q101 qualification and DO-15 through-hole mounting - making it optimal for automotive under-hood applications where vibration resistance and qualification traceability are mandatory, while balancing cost and manufacturability in medium-surge industrial systems.
Availability
SA150AHE3/54 is available at Aetrix Electronics and suitable for automotive electronics, industrial programmable logic controllers, telecom power supplies, and consumer appliance motor control systems requiring stable component supply and AEC-Q101-compliant surge protection.
Supply support for SA150AHE3/54 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, power efficiency, and automotive-grade qualification.
The SAxxA series belongs to Vishay's TransZORB® TVS family, engineered specifically for robust, standardized transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure where consistent clamping performance and long-term stability are critical.
FAQ
What is the maximum clamping voltage of the SA150AHE3/54 under standard test conditions?
The SA150AHE3/54 has a maximum clamping voltage (VC) of 243 V when subjected to its rated peak pulse current of 2.1 A using the 10/1000 µs waveform. This value is measured per JEDEC standards and defines the upper voltage limit imposed on protected circuitry during transient events - a key parameter for ensuring downstream ICs remain within safe operating voltage margins.
Is the SA150AHE3/54 suitable for automotive applications?
Yes, the SA150AHE3/54 is AEC-Q101 qualified and manufactured with HE3 suffix indicating compliance with JESD 201 class 2 whisker testing. Its DO-15 package, 175 °C maximum junction temperature, and robust 500 W surge rating make it appropriate for under-hood and body electronics applications including engine control units, lighting modules, and infotainment power rails where reliability under thermal and mechanical stress is essential.
What does the "HE3/54" suffix indicate in SA150AHE3/54?
The "HE3" suffix denotes RoHS-compliant construction with AEC-Q101 qualification and JESD 201 class 2 whisker resistance; "/54" specifies the preferred packaging code - 13-inch paper tape and reel with 4000 units per reel. This ordering format ensures traceability, automotive-grade process control, and automated assembly compatibility for high-volume manufacturing.
How does the SA150AHE3/54 differ from bidirectional TVS diodes like SA150CA?
The SA150AHE3/54 is unidirectional and features a cathode band for polarity identification, allowing it to conduct forward current and clamp reverse transients - ideal for DC power rail protection. In contrast, SA150CA is bidirectional with no polarity marking and symmetric clamping in both directions, suited for AC signal lines or differential buses. Their VBR and VC values differ slightly due to internal structure, and they are not interchangeable without circuit review.
What is the reverse leakage current specification for SA150AHE3/54 at its rated stand-off voltage?
The SA150AHE3/54 exhibits a maximum reverse leakage current (ID) of 1.0 µA at its rated stand-off voltage (VWM) of 150 V and ambient temperature of 25 °C. This ultra-low leakage ensures minimal power loss in always-on systems such as automotive wake-up circuits or industrial sensors, preserving battery life and avoiding false triggering in high-impedance monitoring paths.
SA150AHE3/54 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 150V
- Voltage - Breakdown (Min):
- 167V
- Voltage - Clamping (Max) @ Ipp:
- 243V
- Current - Peak Pulse (10/1000µs):
- 2.1A
- 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)
SA150AHE3/54 FAQ
1.How can I place an order for SA150AHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA150AHE3/54 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 SA150AHE3/54 reliable?
The price and inventory of SA150AHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA150AHE3/54 is usually 5 days.
3.What payment methods are accepted for SA150AHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA150AHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA150AHE3/54?
SA150AHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA150AHE3/54 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 SA150AHE3/54?
For technical support, including SA150AHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA150AHE3/54 requirements.
6.How does Aetrix verify that SA150AHE3/54 is sourced from the original manufacturer or authorized distributors?
All SA150AHE3/54 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 SA150AHE3/54 meets industry standards.
7.What is the process for return or replacement of SA150AHE3/54?
All SA150AHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA150AHE3/54, 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 SA150AHE3/54 part is unused and in its original packaging.
Return procedure for SA150AHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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