My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SA150A-E3/54
- Part No.:
- SA150A-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
SA150A-E3/54.pdf
- Description:
- TVS DIODE 150VWM 243VC DO204AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,457
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SA150A-E3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode in DO-15 package, designed for circuit protection against ESD and surge events. It features 150 V stand-off voltage (VWM), 167–185 V breakdown voltage (VBR) at 1 mA, 243 V clamping voltage (VC) at 2.1 A peak pulse current, and 500 W peak pulse power rating with 10/1000 μs waveform - deployed on power rails and I/O lines of industrial motor drives and automotive body control modules.
For engineers reviewing the SA150A-E3/54 datasheet, SA150A-E3/54 pinout, SA150A-E3/54 application, or SA150A-E3/54 equivalent, key selection criteria include verified clamping performance under 10/1000 μs transients, DO-15 mechanical compatibility, AEC-Q101 qualification status, and unidirectional polarity marking for correct PCB orientation during layout.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: when reverse voltage exceeds VBR (167–185 V), it avalanches to divert surge current away from downstream ICs. Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and low incremental surge resistance, enabling consistent clamping across repetitive 0.01% duty-cycle pulses.
The device is rated for TJ = -55 °C to +175 °C operation and supports 70 A non-repetitive forward surge (IFSM), making it suitable for high-energy inductive switching environments such as relay coils and solenoid drivers where fast response (<1 ns) and low VF (3.5 V max at 100 A) are critical for system-level robustness.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 150 V - maximum continuous reverse operating voltage before clamping initiates; defines safe DC/AC rail margin |
| VBR (min/max) | 167 V / 185 V at 1 mA - guaranteed avalanche onset range; determines minimum overvoltage threshold for protection activation |
| VC @ IPPM | 243 V at 2.1 A - clamped voltage during full 10/1000 μs surge; sets upper bound of protected circuit stress |
| PPPM | 500 W - peak transient energy handling capacity; validates suitability for IEC 61000-4-5 Level 4 surges |
| ID @ VWM | <1.0 μA - ultra-low reverse leakage; prevents measurable power loss or signal distortion in high-impedance sensing paths |
| TJ max. | +175 °C - extended junction temperature rating enables placement near heat sources (e.g., power MOSFETs, transformers) |
| Package | DO-15 (DO-204AC) - industry-standard axial leaded outline; compatible with legacy through-hole assembly and manual rework |
Pinout & Package
DO-15 (DO-204AC) molded epoxy package with matte tin-plated leads; cathode indicated by color band on one end. Leads conform to J-STD-002 and JESD 22-B102 solderability standards; RoHS-compliant (E3 suffix) and qualified per AEC-Q101.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / surge return path | Connected to ground or low-impedance return plane; must handle 70 A single-pulse IFSM without bond wire failure |
| Cathode (banded end) | Reverse-biased clamping node | Connected to protected line (e.g., 12 V supply rail); color band ensures correct orientation during manual or automated placement |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enables stable VBR tolerance and <1.0 μA ID at VWM across -55 °C to +175 °C operating range |
| 500 W peak pulse power (10/1000 μs) | Validates compliance with IEC 61000-4-5 surge immunity requirements for industrial equipment up to Level 4 |
| AEC-Q101 qualification | Confirms reliability for automotive applications including body electronics, lighting control, and power distribution units |
| Low incremental clamping resistance | Minimizes VC rise vs. IPPM - 243 V clamping at 2.1 A ensures <93 V overvoltage margin above 150 V VWM |
| Solder dip 275 °C / 10 s | Supports wave soldering process without delamination or parameter shift; meets JESD 22-B106 thermal endurance spec |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Protection of gate driver ICs and microcontrollers against flyback voltage spikes from brushed DC motor commutation. IC Role / Device Role / Timing Role: Unidirectional shunt clamp placed between motor supply rail and ground, activated within nanoseconds of overvoltage event. Use Value: Limits transient voltage to ≤243 V, preventing latch-up or oxide rupture in 3.3 V/5 V logic interfaces sharing the same power domain. | Use Scenario: Surge suppression on LIN bus lines and window lift motor power feeds exposed to load dump and jump-start conditions. IC Role / Device Role / Timing Role: Primary overvoltage guard on 12 V distribution nodes; coordinates with upstream fuses to clear faults without damaging CAN/LIN transceivers. Use Value: Withstands 70 A IFSM and maintains <1.0 μA leakage at 150 V, ensuring no impact on LIN bus biasing or sleep-mode current budgets. |
| Telecom Power Supplies | Consumer Appliance Control Boards |
Use Scenario: Input-stage protection for AC/DC adapters and PoE injectors subject to lightning-induced surges on primary-side rectifier outputs. IC Role / Device Role / Timing Role: Secondary-side TVS parallel to bulk capacitor; clamps residual transients passing through transformer isolation barrier. Use Value: 500 W PPPM rating and 175 °C TJ max allow sustained operation in enclosed, convection-cooled enclosures without derating. | Use Scenario: Overvoltage safeguard for microcontroller reset lines and relay coil drivers in washing machines and HVAC controllers. IC Role / Device Role / Timing Role: Point-of-load protector adjacent to solenoid drivers; absorbs inductive kickback before it propagates to MCU GPIO pins. Use Value: DO-15 footprint enables direct replacement of legacy suppressors; E3 suffix guarantees RoHS compliance for global market shipments. |
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 | Same VWM (150 V), lower PPPM (400 W), SMA package (surface-mount) | Requires PCB redesign for SMT placement; lacks AEC-Q101 qualification | Select when board space is constrained and automotive qualification is not required |
| P6KE150A | Same VWM (150 V), identical DO-15 package, but 600 W PPPM and higher VC (248 V) | Higher clamping voltage increases risk of downstream IC stress; wider VBR tolerance (167–198 V) | Prefer only if legacy P6KE-series inventory exists and 5 V higher VC is acceptable in design margin |
Compared with SMAJ150A and P6KE150A, SA150A-E3/54 offers AEC-Q101 qualification and optimized clamping (243 V) for tighter voltage margins in automotive and industrial systems, while retaining through-hole DO-15 compatibility for serviceability and high-current trace routing.
Availability
SA150A-E3/54 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, and telecom power supplies requiring stable component supply, long-term lifecycle support, and AEC-Q101-qualified surge protection.
Supply support for SA150A-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, and protection devices with emphasis on reliability, power efficiency, and automotive-grade qualification.
The SAxxA series is part of Vishay's TRANSZORB® TVS family, engineered specifically for robust, standardized transient suppression in harsh environments - targeting applications where ESD, lightning, and inductive switching surges threaten system uptime and safety-critical functionality.
FAQ
What is the clamping voltage of SA150A-E3/54 and how is it measured?
The SA150A-E3/54 has a maximum clamping voltage (VC) of 243 V, measured at a peak pulse current (IPPM) of 2.1 A using the standard 10/1000 μs double-exponential waveform per IEC 61000-4-5. This value reflects the actual voltage seen by protected circuitry during surge events and is guaranteed across the full operating temperature range. The SA150A-E3/54 achieves this clamping performance due to its low incremental surge resistance and glass-passivated junction structure.
Is SA150A-E3/54 suitable for automotive applications?
Yes, SA150A-E3/54 is AEC-Q101 qualified, confirming its reliability for automotive use cases including body control modules, lighting systems, and power distribution units. Its operating junction temperature range of -55 °C to +175 °C, robust 70 A IFSM rating, and DO-15 mechanical stability under thermal cycling make it appropriate for under-hood and cabin-mounted electronics. The SA150A-E3/54 meets automotive surge immunity requirements when applied per manufacturer-recommended layout guidelines.
What does the "E3/54" suffix mean in SA150A-E3/54?
The "E3" suffix indicates RoHS-compliant, commercial-grade construction with matte tin-plated leads meeting J-STD-002 solderability and JESD 201 Class 1A whisker resistance. The "/54" denotes the preferred package code for 13-inch paper tape and reel packaging, with a base quantity of 4000 units per reel. This ordering format ensures traceable, factory-standard delivery of SA150A-E3/54 for automated SMT and through-hole assembly lines.
How does SA150A-E3/54 differ from bidirectional TVS diodes like SA150CA?
SA150A-E3/54 is unidirectional and features a cathode band for polarity-sensitive placement, whereas SA150CA is bidirectional with no polarity marking and symmetrical clamping in both directions. The SA150A-E3/54 exhibits lower leakage (<1.0 μA at 150 V) and supports forward surge current (70 A IFSM), making it ideal for DC rail protection. In contrast, SA150CA is used where AC signals or dual-polarity transients require equal clamping behavior - the SA150A-E3/54 is not interchangeable without circuit redesign.
Can SA150A-E3/54 be used in parallel for higher surge current handling?
No - SA150A-E3/54 is not recommended for parallel connection due to mismatch in VBR (167–185 V) and dynamic impedance, which causes uneven current sharing and potential thermal runaway. For higher surge capability, select a single higher-rated device (e.g., SA170A) or implement staged protection with upstream current-limiting resistors. The SA150A-E3/54 datasheet explicitly advises against paralleling unless matched units are characterized and derated per application-specific testing.
SA150A-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:
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AC (DO-15)
SA150A-E3/54 FAQ
1.How can I place an order for SA150A-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for SA150A-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 SA150A-E3/54 reliable?
The price and inventory of SA150A-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 SA150A-E3/54 is usually 5 days.
3.What payment methods are accepted for SA150A-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SA150A-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SA150A-E3/54?
SA150A-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SA150A-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 SA150A-E3/54?
For technical support, including SA150A-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SA150A-E3/54 requirements.
6.How does Aetrix verify that SA150A-E3/54 is sourced from the original manufacturer or authorized distributors?
All SA150A-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 SA150A-E3/54 meets industry standards.
7.What is the process for return or replacement of SA150A-E3/54?
All SA150A-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with SA150A-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 SA150A-E3/54 part is unused and in its original packaging.
Return procedure for SA150A-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SA150A-E3/54 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
