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Vishay General Semiconductor - Diodes Division SMAJ60AHE3_A/H
- Part No.:
- SMAJ60AHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAJ60AHE3_A/H.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:3,331
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Product details
Overview
SMAJ60AHE3_A/H from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMA (DO-214AC) package, designed to protect sensitive electronics against voltage transients induced by inductive load switching and lightning surges. It features a 60 V stand-off voltage (VWM), 66.7–73.7 V breakdown voltage (VBR) at 1 mA, 96.8 V maximum clamping voltage (VC) at 4.1 A peak pulse current, and 400 W peak pulse power rating with 10/1000 μs waveform.
For engineers reviewing the SMAJ60AHE3_A/H datasheet, SMAJ60AHE3_A/H pinout, SMAJ60AHE3_A/H application, or SMAJ60AHE3_A/H equivalent, this device is selected for robust overvoltage protection on DC power rails and signal lines in automotive, industrial, and telecom systems where AEC-Q101 qualification, low-profile mounting, and fast clamping response are critical.
Technical Context
This unidirectional TVS diode operates as a voltage-clamped shunt protector: under normal conditions it presents high impedance (<1 μA leakage at 60 V), then rapidly avalanches below 96.8 V to divert surge energy away from downstream circuitry. Its glass-passivated junction ensures stable breakdown behavior and long-term reliability under repetitive transient stress.
The device is rated for 40 A non-repetitive forward surge current (IFSM), supports operating junction temperatures from –55 °C to +150 °C, and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak temperature - confirming suitability for automated SMT assembly without moisture sensitivity concerns.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 60 V - Maximum continuous reverse voltage before significant leakage; defines safe operating margin for 48 V DC systems. |
| VBR (Breakdown Voltage) | 66.7–73.7 V at 1 mA - Tight tolerance ensures predictable turn-on during transients; guarantees clamping initiates before system damage threshold. |
| VC (Clamping Voltage) | 96.8 V at IPPM = 4.1 A - Limits voltage seen by protected ICs/MOSFETs during 10/1000 μs surge; enables design margin vs. 100 V-rated components. |
| PPPM (Peak Pulse Power) | 400 W - Sustains 400 W surge energy for 1 ms; sufficient for ISO 7637-2 Pulse 1/2a/5a automotive transients and IEC 61000-4-5 Level 3 surges. |
| IFSM (Surge Current) | 40 A - Withstands 8.3 ms half-sine surge; protects against motor commutation spikes and relay coil flyback in industrial controls. |
| TJmax | +150 °C - Enables operation in under-hood automotive environments and high-temperature industrial enclosures without derating. |
| RθJA | 120 °C/W - Thermal resistance confirms need for minimum 0.2" × 0.2" copper pads per terminal to maintain safe junction temperature during repeated surges. |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Cathode indicated by band marking; anode is unmarked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; avalanche conduction occurs from cathode to anode during overvoltage events. |
| Anode (unbanded end) | Reference/return path | Typically tied to ground or lower-potential rail; completes shunt path for surge current diversion. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock - required for engine control, ADAS, and body electronics. |
| 400 W peak pulse power (10/1000 μs) | Provides higher surge handling than standard 200 W TVS devices, enabling single-device protection for demanding CAN/LIN bus or 48 V power rail applications. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., ESD >15 kV), improving protection margin for 3.3 V/5 V logic interfaces. |
| MSL Level 1 (260 °C peak) | Eliminates pre-bake requirement for PCB assembly, reducing manufacturing cost and cycle time in high-volume SMT lines. |
| Glass passivated junction | Ensures stable VBR over lifetime and prevents parameter drift under thermal/humidity stress - critical for 15+ year industrial deployments. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
|
Use Scenario: Protecting 48 V battery-fed ECUs from load dump and alternator ripple in commercial vehicles. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed between power input and ground, clamping surges within 1 ns. Use Value: Clamps transients to ≤96.8 V, preventing damage to 100 V-rated MOSFETs and microcontrollers while meeting ISO 16750-2 requirements. |
Use Scenario: Safeguarding analog outputs of pressure/temperature sensors in factory automation PLC modules. IC Role / Device Role / Timing Role: Bidirectional-capable unidirectional TVS (used with series resistor) limits voltage excursions on 0–10 V or 4–20 mA loops. Use Value: Sub-100 V clamping preserves ADC input integrity and avoids latch-up in precision op-amps interfacing with field transducers. |
| Telecom DC Power Input Protection | Consumer Device USB Port Protection |
|
Use Scenario: Securing -48 V DC inputs of telecom base station power supplies against lightning-induced surges on outdoor lines. IC Role / Device Role / Timing Role: Primary-level TVS on input stage, coordinated with upstream GDTs and downstream polymer PTCs. Use Value: 400 W rating handles IEC 61000-4-5 Combination Wave (10/700 μs) up to Level 4, ensuring system-level compliance without cascaded stages. |
Use Scenario: Adding secondary overvoltage protection on USB VBUS lines in smart home hubs exposed to accidental 24 V adapter misconnection. IC Role / Device Role / Timing Role: Standby-mode shunt protector activated only during overvoltage events; zero quiescent current in normal operation. Use Value: 1 μA max leakage at 60 V prevents battery drain in portable devices; RoHS-compliant HE3 suffix meets global environmental compliance mandates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ60A-E3/61 | Same electrical specs and SMA package, but commercial-grade (non-AEC-Q101); RoHS-compliant with E3 suffix. | Lacks automotive qualification; suitable for industrial/commercial designs without AEC-Q101 mandate. | Select when cost sensitivity outweighs automotive qualification requirements and lifecycle assurance is not mandated. |
| SMBJ60AHE3_A/H | Same VWM/VC ratings but SMB (DO-214AA) package - 2.5 mm wider, 0.5 mm taller, 10% higher PPPM (600 W). | Higher surge capacity suits harsher environments (e.g., railway traction control), but requires larger PCB footprint. | Choose when surge energy exceeds 400 W or thermal margin is constrained; verify board space and layout compatibility. |
Compared with SMAJ60AHE3_A/H, SMAJ60A-E3/61 offers identical protection performance without automotive qualification, while SMBJ60AHE3_A/H delivers higher surge robustness in a larger package - enabling trade-offs between qualification, footprint, and energy handling based on system-level stress profiles.
Availability
SMAJ60AHE3_A/H is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom power supply designs requiring stable component supply with AEC-Q101 validation and RoHS compliance.
Supply support for SMAJ60AHE3_A/H 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, efficiency, and application-specific optimization.
The SMAJ series targets high-reliability transient suppression in automotive, industrial, and telecom systems - engineered for fast response, stable clamping, and seamless integration into automated SMT processes.
FAQ
What is the clamping voltage of SMAJ60AHE3_A/H at its rated peak pulse current?
The SMAJ60AHE3_A/H has a maximum clamping voltage (VC) of 96.8 V at its specified peak pulse current (IPPM) of 4.1 A, measured using the standard 10/1000 μs double-exponential waveform. This value defines the upper voltage limit imposed on protected circuitry during surge events and is confirmed in Vishay's official datasheet revision 09-Jan-2024, page 2. The SMAJ60AHE3_A/H maintains this clamping performance across its full operating temperature range.
Is SMAJ60AHE3_A/H qualified for automotive applications?
Yes, SMAJ60AHE3_A/H is AEC-Q101 qualified, as explicitly stated in the Vishay datasheet under "Mechanical Data" and "Ordering Information" sections. The "HE3" suffix denotes RoHS-compliant and AEC-Q101 qualified variants, making SMAJ60AHE3_A/H suitable for under-hood and chassis-mounted automotive electronics including body control modules, lighting drivers, and ADAS power supplies.
What is the standoff voltage and maximum leakage current of SMAJ60AHE3_A/H at room temperature?
The SMAJ60AHE3_A/H has a reverse stand-off voltage (VWM) of 60 V and a maximum reverse leakage current (ID) of 1.0 μA at VWM, tested at TA = 25 °C. This low leakage ensures minimal power loss in standby mode and prevents false triggering in precision analog circuits. These values are verified in the "Electrical Characteristics" table on page 2 of the Vishay document number 88390.
What package type does SMAJ60AHE3_A/H use, and what are its key mechanical features?
SMAJ60AHE3_A/H uses the SMA (DO-214AC) package - a compact, surface-mount case measuring 4.50 mm × 2.79 mm × 2.29 mm with matte tin-plated leads. Key features include UL 94 V-0 flammability rating, MSL Level 1 moisture sensitivity, and compatibility with J-STD-002 soldering standards. The cathode is marked by a visible band, and the device is optimized for high-speed pick-and-place assembly.
How does SMAJ60AHE3_A/H compare to SMAJ60A-E3/61 in terms of qualification and use cases?
SMAJ60AHE3_A/H and SMAJ60A-E3/61 share identical electrical parameters and SMA packaging, but differ in qualification: SMAJ60AHE3_A/H is AEC-Q101 qualified and intended for automotive applications, whereas SMAJ60A-E3/61 is commercial-grade only. Engineers selecting SMAJ60AHE3_A/H gain validated reliability for automotive temperature cycling and lifetime stress testing - a requirement absent in consumer or general industrial use cases served by SMAJ60A-E3/61.
SMAJ60AHE3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AC, SMA
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 4.1A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
SMAJ60AHE3_A/H FAQ
1.How can I place an order for SMAJ60AHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAJ60AHE3_A/H 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 SMAJ60AHE3_A/H reliable?
The price and inventory of SMAJ60AHE3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMAJ60AHE3_A/H is usually 5 days.
3.What payment methods are accepted for SMAJ60AHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAJ60AHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAJ60AHE3_A/H?
SMAJ60AHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAJ60AHE3_A/H 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 SMAJ60AHE3_A/H?
For technical support, including SMAJ60AHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAJ60AHE3_A/H requirements.
6.How does Aetrix verify that SMAJ60AHE3_A/H is sourced from the original manufacturer or authorized distributors?
All SMAJ60AHE3_A/H 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 SMAJ60AHE3_A/H meets industry standards.
7.What is the process for return or replacement of SMAJ60AHE3_A/H?
All SMAJ60AHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with SMAJ60AHE3_A/H, 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 SMAJ60AHE3_A/H part is unused and in its original packaging.
Return procedure for SMAJ60AHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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