My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMA5J9.0-E3/5A
- Part No.:
- SMA5J9.0-E3/5A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMA5J9.0-E3/5A.pdf
- Description:
- TVS DIODE 9VWM 16.9VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:9,091
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMA5J9.0-E3/5A from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-214AC (SMA) package, designed for robust overvoltage protection of DC power rails and signal lines. It features a 9.0 V stand-off voltage (VWM), 10.0–11.1 V breakdown voltage (VBR), 15.4 V clamping voltage (VC) at 5.0 A peak pulse current, and 500 W peak pulse power rating with 10/1000 µs waveform - used in automotive body control modules to safeguard microcontroller I/O and sensor interfaces.
For engineers reviewing the SMA5J9.0-E3/5A datasheet, SMA5J9.0-E3/5A pinout, SMA5J9.0-E3/5A application, or SMA5J9.0-E3/5A equivalent, key selection criteria include unidirectional polarity, low clamping ratio (VC/VWM = 1.71), AEC-Q101 qualification, RoHS-compliant matte tin plating, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: under normal conditions it presents high impedance (<1.0 µA leakage at 9.0 V), then rapidly avalanches when transient voltage exceeds VBR (10.0–11.1 V), limiting downstream voltage to ≤15.4 V at 5.0 A. Its glass-passivated junction ensures stable breakdown characteristics and long-term reliability under repetitive surge stress.
Thermally, it exhibits RθJA = 80 °C/W and RθJL = 25 °C/W, enabling effective heat dissipation during transient events when mounted per recommended pad layout. The device is rated for TJ = –55 °C to +150 °C and meets MSL Level 1 (260 °C peak reflow).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - maximum continuous reverse operating voltage before conduction begins |
| VBR (min/max) | 10.0 V / 11.1 V at 1.0 mA - precise avalanche onset range defining protection threshold |
| VC @ IPPM | 15.4 V at 5.0 A - clamped voltage during 10/1000 µs surge, limiting stress on protected ICs |
| PPPM | 500 W - peak pulse power handling capability under standardized transient waveform |
| ID @ VWM | ≤1.0 µA - ultra-low leakage ensures minimal standby power loss in battery-powered systems |
| TJ Range | –55 °C to +150 °C - full automotive-grade temperature operation without derating |
Pinout & Package
Package: DO-214AC (SMA), surface-mount, low-profile plastic case with matte tin-plated leads; polarity indicated by cathode band at one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry (reverse-biased in protection mode) | Connected to protected line; conducts only during overvoltage transients |
| Cathode | Forward current exit (marked with band) | Connected to ground or lower-potential rail; establishes unidirectional clamping path |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity |
| AEC-Q101 qualification | Validated for automotive applications including engine control, lighting, and infotainment subsystems |
| MSL Level 1 rating | Enables single-reflow assembly without moisture sensitivity concerns (peak 260 °C) |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., ISO 7637-2 Pulse 1/2a) |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V supply lines in body control modules against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional shunt TVS clamping transient energy to ground before it reaches MCU power pins. Use Value: Limits voltage to ≤15.4 V during 5 A surges, preventing latch-up or permanent damage to 16-bit microcontrollers. | Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loops) in PLC I/O modules from ESD and field wiring faults. IC Role / Device Role / Timing Role: Fast-response voltage clamp placed across signal and return paths to absorb ±8 kV contact ESD per IEC 61000-4-2. Use Value: Sub-1 ns response time and 1.0 µA leakage preserve signal integrity and system accuracy in precision measurement circuits. |
| Consumer Device USB Port Protection | Telecom Line Card Surge Suppression |
Use Scenario: Secondary-level protection on VBUS line of USB 2.0 ports in set-top boxes and smart displays. IC Role / Device Role / Timing Role: Standoff-rated TVS absorbing hot-plug transients and cable-induced surges upstream of USB switch ICs. Use Value: 9.0 V VWM allows safe operation during 5.25 V nominal VBUS while clamping to 15.4 V during 10/1000 µs surges. | Use Scenario: Front-end protection of Ethernet PHY interface lines in DSLAM line cards exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Primary surge diverter on differential pairs, coordinated with GDT and series impedance. Use Value: 500 W PPPM rating supports coordination with upstream gas discharge tubes for multi-stage telecom surge protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA5J9.0AHE3/5A | AEC-Q101 qualified variant; identical electrical specs but enhanced process validation for automotive use | Required for ASIL-B compliant ECUs; not necessary for commercial-grade industrial designs | Select SMA5J9.0AHE3/5A when automotive qualification documentation (test reports, PPAP) is mandatory |
| SMCJ9.0A-E3/57T | Higher 1500 W PPPM rating in larger DO-214AB (SMC) package; same VWM/VC values | Suitable for higher-energy transients (e.g., ISO 7637-2 Pulse 5a); requires larger PCB footprint | Choose SMCJ9.0A-E3/57T when surge energy exceeds 500 W capability and board space permits larger package |
Compared with SMA5J9.0-E3/5A, SMA5J9.0AHE3/5A adds formal automotive qualification without electrical change, while SMCJ9.0A-E3/57T trades compact size for triple the surge power handling - making SMA5J9.0-E3/5A optimal for cost- and space-constrained 500 W protection needs.
Availability
SMA5J9.0-E3/5A is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, consumer USB power protection, and telecom line card surge suppression requiring stable component supply and RoHS-compliant manufacturing.
Supply support for SMA5J9.0-E3/5A 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 density, and automotive qualification.
The SMA5J series is engineered for high-power-density transient suppression in space-constrained SMT applications, targeting automotive, industrial, and communications systems where robustness and AEC-Q101 compliance are critical.
FAQ
What is the clamping voltage of the SMA5J9.0-E3/5A under standard test conditions?
The SMA5J9.0-E3/5A has a maximum clamping voltage (VC) of 15.4 V when subjected to a 10/1000 µs waveform at 5.0 A peak pulse current. This value is measured per JEDEC standards and defines the upper voltage limit imposed on protected circuitry during transient events - critical for ensuring compatibility with 16 V-tolerant IC inputs in automotive applications.
Is the SMA5J9.0-E3/5A suitable for automotive applications?
Yes, the SMA5J9.0-E3/5A is RoHS-compliant and manufactured to commercial-grade specifications; however, its AEC-Q101-qualified sibling SMA5J9.0AHE3/5A is required for formal automotive qualification. The SMA5J9.0-E3/5A shares identical electrical parameters and thermal performance but lacks the extended reliability test documentation mandated for ASIL-relevant ECUs.
What does the "E3/5A" suffix indicate in SMA5J9.0-E3/5A?
The "E3" denotes RoHS-compliant matte tin plating meeting JESD 201 Class 1A whisker resistance, while "5A" specifies packaging in 13-inch diameter plastic tape and reel with 7500 units per reel. This format supports high-volume automated SMT assembly and ensures consistent lead finish quality for reliable solder joint formation.
How does the SMA5J9.0-E3/5A compare to bi-directional TVS diodes like SMA5J9.0CA?
The SMA5J9.0-E3/5A is unidirectional and intended for DC line protection with defined polarity, whereas SMA5J9.0CA is bi-directional and suited for AC or floating signal lines. Their VWM and VC differ: SMA5J9.0CA has VWM = 7.5 V and VC = 13.4 V, making it inappropriate as a direct replacement without circuit redesign.
What is the thermal resistance of the SMA5J9.0-E3/5A, and how does it affect layout design?
The SMA5J9.0-E3/5A has a typical junction-to-ambient thermal resistance (RθJA) of 80 °C/W and junction-to-lead (RθJL) of 25 °C/W. To maintain safe operation during repeated surges, PCB layout must follow Vishay's recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad per terminal - undersized pads will cause excessive junction temperature rise and premature failure.
SMA5J9.0-E3/5A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 16.9V
- Current - Peak Pulse (10/1000µs):
- 29.6A
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
SMA5J9.0-E3/5A FAQ
1.How can I place an order for SMA5J9.0-E3/5A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMA5J9.0-E3/5A 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 SMA5J9.0-E3/5A reliable?
The price and inventory of SMA5J9.0-E3/5A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMA5J9.0-E3/5A is usually 5 days.
3.What payment methods are accepted for SMA5J9.0-E3/5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMA5J9.0-E3/5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMA5J9.0-E3/5A?
SMA5J9.0-E3/5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMA5J9.0-E3/5A 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 SMA5J9.0-E3/5A?
For technical support, including SMA5J9.0-E3/5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMA5J9.0-E3/5A requirements.
6.How does Aetrix verify that SMA5J9.0-E3/5A is sourced from the original manufacturer or authorized distributors?
All SMA5J9.0-E3/5A 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 SMA5J9.0-E3/5A meets industry standards.
7.What is the process for return or replacement of SMA5J9.0-E3/5A?
All SMA5J9.0-E3/5A units undergo pre-shipment inspection (PSI). If there is an issue with SMA5J9.0-E3/5A, 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 SMA5J9.0-E3/5A part is unused and in its original packaging.
Return procedure for SMA5J9.0-E3/5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMA5J9.0-E3/5A 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
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 …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
