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Vishay General Semiconductor - Diodes Division 1N6283AHE3/51
- Part No.:
- 1N6283AHE3/51
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1N6283AHE3/51.pdf
- Description:
- TVS DIODE 28.2VWM 45.7VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:8,370
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Product details
Overview
1N6283AHE3/51 from Vishay General Semiconductor is a uni-directional Transient Voltage Suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a 31.4 V to 34.7 V breakdown voltage range at 1 mA, 28.2 V stand-off voltage, 1.5 kW peak pulse power (10/1000 µs), 32.8 A maximum peak pulse current, and clamps transients to ≤45.7 V. It is used in automotive power supply inputs and industrial sensor interface circuits.
For engineers reviewing the 1N6283AHE3/51 datasheet, 1N6283AHE3/51 pinout, 1N6283AHE3/51 application, or 1N6283AHE3/51 equivalent, this page provides verified electrical parameters, AEC-Q101 qualification status, thermal resistance data, clamping behavior under surge conditions, and direct alternative part comparisons for ESD and lightning transient protection design.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector with glass-passivated junction technology and fast sub-nanosecond response time. Its uni-directional polarity enables integration into DC-biased circuits where reverse conduction must be blocked until breakdown occurs.
The device delivers 1500 W peak pulse power handling per 10/1000 µs waveform with 0.01% duty cycle, and exhibits low incremental surge resistance for stable clamping performance across repetitive surges. It is rated for operation from –55 °C to +175 °C junction temperature and qualified to AEC-Q101 for automotive under-hood applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 31.4 V min / 34.7 V max at 1 mA - defines precise clamping onset threshold for overvoltage detection |
| Stand-off Voltage VWM | 28.2 V - maximum continuous reverse working voltage before leakage exceeds 1 µA |
| Peak Pulse Power PPPM | 1500 W (10/1000 µs) - sustains single high-energy transients without failure in automotive load-dump scenarios |
| Clamping Voltage VC | ≤45.7 V at 32.8 A IPPM - limits downstream IC voltage stress during surge events |
| Peak Pulse Current IPPM | 32.8 A - quantifies maximum surge current the device can safely divert to ground |
| Junction Temperature Range | –55 °C to +175 °C - supports under-hood automotive and industrial environments without derating |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: DO-201AD (Case Style 1.5KE), axial leaded, molded epoxy body with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to protected circuit ground or low-side return path | Enables uni-directional clamping when cathode is tied to positive rail; blocks reverse current below VWM |
| Cathode | Current exit point in forward bias; marked with color band; connected to protected line or supply rail | Serves as the high-side connection point for clamping transients to ground; defines polarity-sensitive placement |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure |
| 1500 W peak pulse power (10/1000 µs) | Handles automotive load dump (ISO 7637-2 Pulse 5a) and industrial switching surges without degradation |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body control, and ADAS modules requiring zero-defect reliability |
| Low incremental surge resistance | Maintains tight clamping window (VC – VBR = 12.5 V typical) across full IPPM range |
| RoHS-compliant HE3 suffix | Meets JESD 201 Class 2 whisker resistance and UL 94 V-0 flammability for safety-critical PCBs |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 24 V battery-fed ECUs from ISO 7637-2 Pulse 5a load dump transients up to 120 V. IC Role / Device Role / Timing Role: Shunt TVS placed between power rail and chassis ground to clamp overvoltage within 1 ns. Use Value: Limits rail voltage to ≤45.7 V during 32.8 A surge, preventing damage to downstream DC/DC converters and microcontrollers. |
Use Scenario: Safeguarding 4–20 mA analog sensor outputs against ESD and inductive kickback in factory automation systems. IC Role / Device Role / Timing Role: Uni-directional TVS connected across signal and return lines to absorb ±8 kV contact ESD per IEC 61000-4-2. Use Value: Clamps transients before they reach precision op-amps or ADC inputs, preserving measurement accuracy and avoiding latch-up. |
| Telecom DC Power Feeds | Consumer Power Adapter Outputs |
Use Scenario: Protecting PoE-powered equipment (IEEE 802.3af/at) from induced surges on 48 V DC input lines. IC Role / Device Role / Timing Role: Primary-level TVS on input side of DC/DC converter to suppress common-mode transients from Ethernet cabling. Use Value: Withstands 1500 W surges while maintaining <1 µA leakage at 28.2 V, ensuring no standby power loss. |
Use Scenario: Adding secondary-side overvoltage protection on 5 V/12 V USB-C and wall adapter outputs. IC Role / Device Role / Timing Role: Low-leakage uni-directional TVS placed after regulator to prevent output overvoltage from damaging connected devices. Use Value: Provides fail-safe clamping at 45.7 V without affecting regulation stability or efficiency due to minimal capacitance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ33A | Lower 600 W PPPM rating; SMA package (smaller footprint); 33 V nominal VBR (31.4–34.7 V same range); 5.0 V lower VC (40.7 V) | Better suited for space-constrained consumer PCBs; not AEC-Q101 qualified; limited to commercial temperature range (–65 °C to +150 °C) | Select SMBJ33A only for cost-sensitive, non-automotive designs where board area is critical and surge energy is ≤600 W. |
| 1.5KE33A-E3/54 | Same electrical specs and DO-201AD package; differs only in packaging (tape-and-reel vs. bulk/heatsink-mount variant); identical AEC-Q101 qualification | No functional difference; used interchangeably in production where delivery format (reel vs. tube) drives logistics choice | Choose 1.5KE33A-E3/54 if standard tape-and-reel delivery is required for SMT assembly; otherwise 1N6283AHE3/51 remains optimal for manual or selective soldering. |
Compared with SMBJ33A, 1N6283AHE3/51 offers 2.5× higher surge power handling and automotive qualification; compared with 1.5KE33A-E3/54, it shares identical protection performance but uses HE3 suffix denoting enhanced whisker resistance and AEC-Q101 compliance traceability.
Availability
1N6283AHE3/51 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, telecom power feeds, and consumer power adapter outputs requiring stable component supply and long-term lifecycle support.
Supply support for 1N6283AHE3/51 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 high-reliability diodes, MOSFETs, optoelectronics, and passive components for automotive, industrial, and computing markets.
The 1N6283AHE3/51 belongs to Vishay's TRANSZORB® TVS family, engineered specifically for robust transient suppression in harsh environments where fast response, high energy absorption, and AEC-Q101 reliability are mandatory.
FAQ
What is the breakdown voltage tolerance of the 1N6283AHE3/51?
The 1N6283AHE3/51 has a specified breakdown voltage range of 31.4 V minimum to 34.7 V maximum at 1 mA test current. This ±5.2% tolerance ensures consistent clamping onset across production lots and supports reliable overvoltage detection in 24 V and 48 V systems without excessive margin overhead.
Is the 1N6283AHE3/51 suitable for automotive applications?
Yes, the 1N6283AHE3/51 is AEC-Q101 qualified and rated for junction temperatures from –55 °C to +175 °C. Its 1500 W peak pulse power and low clamping voltage make it appropriate for protecting automotive ECUs, body controllers, and ADAS sensors against load dump and ISO 16750-2 transients.
How does the clamping voltage of the 1N6283AHE3/51 compare to its breakdown voltage?
The 1N6283AHE3/51 clamps transients to ≤45.7 V at its rated 32.8 A peak pulse current, resulting in an incremental clamping voltage (VC – VBR) of approximately 12.5 V. This narrow spread ensures predictable voltage limiting and minimizes stress on downstream silicon during surge events.
What is the meaning of the HE3 suffix in 1N6283AHE3/51?
The HE3 suffix indicates RoHS-compliant construction with JESD 201 Class 2 whisker resistance, AEC-Q101 qualification, and UL 94 V-0 flammability-rated epoxy molding compound. It distinguishes this grade from commercial-only E3 variants and confirms suitability for automotive and industrial deployments.
Can the 1N6283AHE3/51 be used in bi-directional configurations?
No, the 1N6283AHE3/51 is strictly a uni-directional TVS diode, identified by its cathode band marking. For bi-directional protection, Vishay specifies the CA-suffixed variant (e.g., 1N6283CAHE3/51), which lacks polarity marking and clamps symmetrically in both directions.
1N6283AHE3/51 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- TransZorb®
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 28.2V
- Voltage - Breakdown (Min):
- 31.4V
- Voltage - Clamping (Max) @ Ipp:
- 45.7V
- Current - Peak Pulse (10/1000µs):
- 32.8A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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:
- 1.5KE
1N6283AHE3/51 FAQ
1.How can I place an order for 1N6283AHE3/51 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N6283AHE3/51 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 1N6283AHE3/51 reliable?
The price and inventory of 1N6283AHE3/51 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N6283AHE3/51 is usually 5 days.
3.What payment methods are accepted for 1N6283AHE3/51?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N6283AHE3/51 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N6283AHE3/51?
1N6283AHE3/51 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N6283AHE3/51 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 1N6283AHE3/51?
For technical support, including 1N6283AHE3/51 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N6283AHE3/51 requirements.
6.How does Aetrix verify that 1N6283AHE3/51 is sourced from the original manufacturer or authorized distributors?
All 1N6283AHE3/51 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 1N6283AHE3/51 meets industry standards.
7.What is the process for return or replacement of 1N6283AHE3/51?
All 1N6283AHE3/51 units undergo pre-shipment inspection (PSI). If there is an issue with 1N6283AHE3/51, 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 1N6283AHE3/51 part is unused and in its original packaging.
Return procedure for 1N6283AHE3/51:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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