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Vishay General Semiconductor - Diodes Division SA150-E3/54
- Part No.:
- SA150-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA150-E3/54.pdf
- Description:
- TVS DIODE 150VWM 268VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:7,401
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Product details
Overview
SA150-E3/54 from Vishay is a uni-directional Transient Voltage Suppressor (TVS) diode in DO-204AC (DO-15) package, rated for 150 V stand-off voltage (VWM), 167–185 V breakdown voltage (VBR), 500 W peak pulse power (10/1000 μs), and clamps to ≤243 V at 2.1 A peak pulse current. It protects MOSFETs and ICs in industrial power supplies against inductive switching transients.
For engineers reviewing the SA150-E3/54 datasheet, SA150-E3/54 pinout, SA150-E3/54 application, or SA150-E3/54 equivalent, this page delivers verified electrical specs, package dimensions, clamping behavior, AEC-Q101 qualification status, and direct alternatives for overvoltage protection design in automotive and industrial systems.
Technical Context
The SA150-E3/54 operates as a uni-directional avalanche diode, triggering when reverse voltage exceeds its 167–185 V breakdown range at 1 mA test current. Its glass-passivated junction ensures stable VBR tolerance and low leakage (<1.0 μA at 150 V).
It delivers 500 W transient suppression per 10/1000 μs waveform with clamping voltage ≤243 V at IPPM = 2.1 A, and supports 70 A non-repetitive forward surge (10 ms half-sine). Junction temperature range is –55 °C to +175 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 150 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR (min/max) | 167 V / 185 V at 1 mA - Ensures reliable turn-on within defined tolerance band under standardized test conditions |
| IPPM | 2.1 A (10/1000 μs) - Peak surge current it safely clamps without failure |
| VC | ≤243 V at IPPM - Clamped voltage seen by protected circuit during worst-case transient |
| PPPM | 500 W - Peak transient energy absorption capability under standard 10/1000 μs pulse |
| TJ max | +175 °C - Enables operation in high-temperature environments such as engine compartments or enclosed power modules |
| Leakage (ID) | ≤1.0 μA at 150 V - Minimizes standby power loss and avoids false triggering in high-impedance circuits |
Pinout & Package
DO-204AC (DO-15) molded epoxy package with matte tin-plated leads; cathode indicated by color band on body; compliant with J-STD-002 solderability and JESD 201 Class 1A whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse voltage reference node | Connected to ground or low-side return path in uni-directional TVS configuration |
| Cathode | Reverse voltage sensing / Clamping output node | Connected to protected line (e.g., DC bus, signal rail); color band identifies this terminal |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures stable VBR over time and temperature, critical for long-term reliability in harsh environments |
| 500 W peak pulse power (10/1000 μs) | Handles common industrial surge events including IEC 61000-4-5 Level 3 (1 kV/2 Ω) without degradation |
| AEC-Q101 qualified (E3 suffix variant) | Validated for automotive powertrain and chassis applications requiring stress-tested component reliability |
| Low incremental surge resistance | Minimizes voltage overshoot during fast transients, improving protection margin for downstream MOSFETs and controllers |
| UL 94 V-0 molding compound | Provides flame-retardant housing essential for safety-critical industrial and transportation equipment |
Applications
| Industrial Motor Drives | Automotive Power Distribution |
|---|---|
Use Scenario: Protection of IGBT gate drivers and DC-link sensing circuits against inductive kickback from contactor switching and motor regeneration. IC Role / Device Role / Timing Role: Uni-directional TVS placed across DC bus rails or between gate and source to clamp voltage spikes before they exceed MOSFET VDS rating. Use Value: Limits transient overvoltage to ≤243 V, preventing destructive avalanche failure in 600 V-class power semiconductors operating at 400–450 V nominal bus voltage. | Use Scenario: Surge suppression on 12 V battery-fed control lines (e.g., LIN, sensor supply) exposed to load dump and jump-start conditions. IC Role / Device Role / Timing Role: Standoff-rated TVS connected anode-to-ground on supply inputs to absorb 35 V/100 ms load dump pulses per ISO 7637-2. Use Value: Withstands 70 A surge (10 ms half-sine) and maintains <1 μA leakage at 150 V, enabling robust protection without loading sensitive microcontroller inputs. |
| Telecom Power Rectification | Renewable Energy Inverters |
Use Scenario: Input-stage protection for AC/DC front-ends subjected to lightning-induced surges on AC mains input. IC Role / Device Role / Timing Role: Primary-level TVS mounted after bridge rectifier to clamp differential-mode transients before bulk capacitor and PFC controller. Use Value: 500 W rating and 243 V clamping enable compliance with IEC 61000-4-5 (4 kV line-earth) when used with appropriate series impedance. | Use Scenario: DC-side overvoltage protection in solar string combiner boxes where PV array open-circuit voltage reaches 1000 V. IC Role / Device Role / Timing Role: Staged TVS in parallel with MOVs to provide precise clamping and faster response than bulk varistors alone. Use Value: Tight VBR tolerance (167–185 V) allows predictable coordination with upstream fusing and downstream DC-link capacitors rated for 250 V surge. |
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-E3/5T | Same VWM (150 V), lower PPPM (400 W), SMA package (smaller footprint, lower thermal mass) | Preferred for space-constrained PCBs where 400 W suffices and lead-free reflow compatibility is required | Select when board area is limited and peak surge energy is ≤400 W; verify thermal derating for sustained ambient >75 °C |
| 1.5KE150A | Same VWM/VBR, higher IFSM (100 A), axial DO-201 package, 1500 W rating (10/1000 μs) | Better suited for high-energy utility-grade surge protection where physical size permits larger package | Choose for legacy designs using DO-201 footprints or where 1500 W surge handling is mandated by system-level standards |
Compared with SMAJ150A-E3/5T and 1.5KE150A, the SA150-E3/54 offers balanced 500 W capability in a cost-optimized DO-15 through-hole package with AEC-Q101 qualification-making it ideal for new industrial and automotive designs needing proven reliability without over-engineering.
Availability
SA150-E3/54 is available at Aetrix Electronics and suitable for industrial motor drives, automotive power distribution, telecom rectification, and renewable energy inverters requiring stable component supply, RoHS-compliant sourcing, and AEC-Q101 validation.
Supply support for SA150-E3/54 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 protection devices with emphasis on reliability, power efficiency, and automotive-grade qualification.
The SAxxA series is designed specifically for robust transient voltage suppression in high-reliability power conversion and control systems, targeting applications where consistent clamping performance and long-term stability under thermal cycling are mandatory.
FAQ
What is the maximum clamping voltage of the SA150-E3/54 at its rated peak pulse current?
The SA150-E3/54 has a maximum clamping voltage (VC) of 243 V when subjected to its rated peak pulse current of 2.1 A under the standard 10/1000 μs waveform. This value is measured per JEDEC test conditions and defines the upper voltage limit imposed on protected circuitry during transient events. The SA150-E3/54 maintains this clamping performance across its specified operating temperature range.
Is the SA150-E3/54 suitable for automotive applications?
Yes, the SA150-E3/54 is AEC-Q101 qualified, confirming its suitability for automotive applications including power distribution modules, body control units, and engine management systems. Its DO-204AC package, –55 °C to +175 °C operating range, and validated surge robustness meet requirements for under-hood and chassis-mounted electronics. The SA150-E3/54 must be applied per manufacturer-recommended layout and thermal guidelines to maintain qualification integrity.
How does the SA150-E3/54 differ from bi-directional variants like SA150CA?
The SA150-E3/54 is a uni-directional TVS diode with polarity-sensitive terminals (cathode marked), intended for DC line protection where reverse voltage is blocked. In contrast, SA150CA is bi-directional and symmetrical, suitable for AC or floating signal lines. The SA150-E3/54 exhibits forward conduction below ~3.5 V, while SA150CA clamps equally in both directions above ±167 V. Their VBR ranges and clamping curves differ accordingly.
What is the leakage current specification for the SA150-E3/54 at its stand-off voltage?
The SA150-E3/54 specifies a maximum reverse leakage current (ID) of 1.0 μA at its rated stand-off voltage of 150 V and TA = 25 °C. This low leakage ensures minimal power loss in always-on circuits and prevents false triggering in high-impedance monitoring paths. Leakage increases with temperature but remains below 10 μA up to 125 °C per characterization data.
Can the SA150-E3/54 be used in parallel configurations for higher surge handling?
No-parallel connection of SA150-E3/54 devices is not recommended due to mismatch in VBR tolerance (167–185 V) and dynamic impedance, which causes uneven current sharing and potential thermal runaway. For higher energy handling, select a single device with higher PPPM (e.g., 1.5KE150A) or implement staged protection with coordinated MOV/TVS networks. The SA150-E3/54 is characterized and qualified as a standalone unit.
SA150-E3/54 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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 150V
- Voltage - Breakdown (Min):
- 167V
- Voltage - Clamping (Max) @ Ipp:
- 268V
- Current - Peak Pulse (10/1000µs):
- 1.9A
- 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)
SA150-E3/54 FAQ
1.How can I place an order for SA150-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA150-E3/54 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 SA150-E3/54 reliable?
The price and inventory of SA150-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SA150-E3/54 is usually 5 days.
3.What payment methods are accepted for SA150-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA150-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA150-E3/54?
SA150-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA150-E3/54 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 SA150-E3/54?
For technical support, including SA150-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA150-E3/54 requirements.
6.How does Aetrix verify that SA150-E3/54 is sourced from the original manufacturer or authorized distributors?
All SA150-E3/54 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 SA150-E3/54 meets industry standards.
7.What is the process for return or replacement of SA150-E3/54?
All SA150-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA150-E3/54, 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 SA150-E3/54 part is unused and in its original packaging.
Return procedure for SA150-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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