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Vishay General Semiconductor - Diodes Division 1N6283A-E3/73
- Part No.:
- 1N6283A-E3/73
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1N6283A-E3/73.pdf
- Description:
- TVS DIODE 28.2VWM 45.7VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:8,756
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Product details
Overview
1N6283A-E3/73 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 33 V breakdown voltage (VBR = 31.4–34.7 V at 1.0 mA), 1500 W peak pulse power (10/1000 µs), clamping voltage of 45.7 V at 32.8 A, and operates across –55 °C to +175 °C. It is widely deployed in automotive power supply rails and industrial sensor interfaces to suppress lightning-induced transients and inductive switching spikes.
For engineers reviewing the 1N6283A-E3/73 datasheet, 1N6283A-E3/73 pinout, 1N6283A-E3/73 application, or 1N6283A-E3/73 equivalent, this page delivers verified electrical parameters, package dimensions, clamping behavior under surge conditions, thermal derating curves, and RoHS-compliant commercial-grade sourcing details - all specific to the 1N6283A-E3/73 variant with E3 suffix and 73 taping configuration.
Technical Context
This unidirectional TVS diode uses a glass-passivated silicon junction optimized for fast response (<1 ns) and low incremental surge resistance. Its 1500 W peak pulse rating is defined per 10/1000 µs waveform with 0.01% duty cycle, and it maintains stable clamping performance up to 175 °C junction temperature.
The device exhibits a 0.098 %/°C temperature coefficient of VBR, ensuring predictable voltage threshold drift across operating range. Standoff voltage is 28.2 V, reverse leakage is ≤1.0 µA at VWM, and forward voltage is 3.5 V at 100 A - confirming suitability for high-energy transient suppression without forward conduction interference in DC-biased circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 31.4 V / 34.7 V at 1.0 mA - defines precise clamping initiation threshold for overvoltage events |
| VWM | 28.2 V - maximum continuous reverse working voltage before leakage exceeds 1.0 µA |
| VC @ IPPM | 45.7 V at 32.8 A - actual clamped voltage during 1500 W transient, limiting downstream stress |
| PPPM | 1500 W - peak pulse power handling capability with 10/1000 µs waveform, critical for lightning surge immunity |
| TJ max. | +175 °C - enables reliable operation in under-hood automotive and high-temperature industrial environments |
| RθJL | 15.4 °C/W - low junction-to-lead thermal resistance supports sustained surge dissipation without thermal runaway |
| Package | Case Style 1.5KE - axial-leaded DO-201AD package with matte tin-plated leads, UL 94 V-0 compliant molding |
Pinout & Package
1N6283A-E3/73 is housed in a DO-201AD (Case Style 1.5KE) axial-leaded package. The cathode is marked by a color band on the body; polarity must be observed in series connection with protected circuitry. Leads are matte tin-plated and solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to ground or lower-potential rail in unidirectional clamp configuration |
| Cathode | Clamping node / protected line interface | Connected to line being protected; conducts when voltage exceeds VBR to shunt surge energy |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures stable long-term reliability and low leakage under humid or high-bias stress conditions |
| 1500 W peak pulse power (10/1000 µs) | Provides MIL-STD-1275E and ISO 7637-2 Pulse 5a/b surge immunity without external heatsinking |
| Response time <1 ns | Clamps transients before sensitive ICs experience damaging overvoltage - faster than MOVs or gas tubes |
| RoHS-compliant E3 suffix | Meets JESD 201 Class 1A whisker resistance, enabling use in high-reliability commercial and industrial assemblies |
| –55 °C to +175 °C operating range | Supports deployment in engine control units, motor drives, and outdoor telecom equipment without derating |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 24 V battery-fed ECUs from load dump (ISO 16750-2) and alternator overshoot. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp surges above 33 V. Use Value: Limits peak voltage to 45.7 V during 32.8 A transients, preventing damage to 36 V-rated regulators and microcontrollers. |
Use Scenario: Shielding 4–20 mA analog sensor outputs from ESD and field-induced transients in factory automation. IC Role / Device Role / Timing Role: TVS connected across signal and return lines to absorb fast-rising common-mode noise. Use Value: Sub-1 ns response ensures clamping occurs before ADC input stages saturate or latch up. |
| Telecom DC Power Input Protection | Consumer Power Adapter Output Protection |
Use Scenario: Safeguarding PoE-powered switches against lightning-induced surges on 48 V DC input. IC Role / Device Role / Timing Role: Primary-level TVS on DC input bus, coordinated with upstream fusing. Use Value: 1500 W rating handles multiple 10/1000 µs surges per IEC 61000-4-5 Level 4 without degradation. |
Use Scenario: Preventing overvoltage damage to USB-C PD controllers during adapter plug/unplug events. IC Role / Device Role / Timing Role: Clamp diode on 20 V output rail of GaN-based adapters to suppress turn-off spikes. Use Value: 28.2 V standoff avoids false triggering during normal 20 V operation while clamping >33 V faults. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ33A | DO-214AA package, 600 W PPPM, same VBR range (31.4–34.7 V), lower IPPM (19.9 A) | Surface-mount only; unsuitable for through-hole board layouts or high-current leaded designs | Select SMBJ33A only when space-constrained PCBs require SMD placement and 600 W surge margin suffices. |
| 1.5KE33A | Same die, identical electrical specs, but packaged in bulk (no E3/73 tape-and-reel designation) | No functional difference; differs only in packaging format and traceability marking | Choose 1.5KE33A for manual assembly or prototyping where reel packaging is unnecessary. |
Compared with 1N6283A-E3/73, SMBJ33A offers smaller footprint but sacrifices 60% peak power handling and requires re-layout; 1.5KE33A delivers identical protection performance but lacks the E3 RoHS compliance marking and 73-tape delivery format required for automated SMT production traceability.
Availability
1N6283A-E3/73 is available at Aetrix Electronics and suitable for automotive power systems, industrial sensor interfaces, telecom DC inputs, and consumer power adapter outputs requiring stable component supply with full RoHS compliance and JESD 201 Class 1A whisker resistance.
Supply support for 1N6283A-E3/73 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 demanding industrial and automotive applications.
The 1N6283A-E3/73 belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-energy transient suppression in harsh environments where fast response, stable clamping, and extended temperature operation are mandatory.
FAQ
What is the clamping voltage of the 1N6283A-E3/73 under maximum surge conditions?
The 1N6283A-E3/73 clamps to 45.7 V at its rated peak pulse current of 32.8 A (10/1000 µs waveform). This value is measured per JEDEC standard and represents the maximum voltage seen by downstream circuitry during a full 1500 W transient event. It is confirmed in the Electrical Characteristics table of Vishay document 88301, revision 09-Aug-2022.
Is the 1N6283A-E3/73 suitable for automotive applications?
Yes, the 1N6283A-E3/73 meets key automotive requirements: it operates from –55 °C to +175 °C, has a 1500 W surge rating sufficient for ISO 7637-2 Pulse 5a/b, and its glass-passivated junction ensures long-term stability under thermal cycling. While not AEC-Q101 qualified (only HE3 variants are), it is widely used in non-safety-critical automotive subsystems such as body control modules and infotainment power supplies.
What does the "E3/73" suffix mean in 1N6283A-E3/73?
The "E3" suffix indicates RoHS-compliant, commercial-grade construction with JESD 201 Class 1A whisker resistance; "73" denotes a 7-inch reel packaging format containing 1400 units per reel, using 13-inch diameter paper tape. This configuration is optimized for automated SMT placement and traceable production lot control - distinct from bulk or alternate tape sizes like /54.
How does the 1N6283A-E3/73 compare to bidirectional TVS diodes like 1N6283CA?
The 1N6283A-E3/73 is unidirectional and intended for DC-biased lines where polarity is fixed; 1N6283CA is bidirectional and suited for AC or floating signal lines. They share identical VBR, VC, and PPPM, but the CA version has no polarity marking and conducts in both directions. Using 1N6283A-E3/73 on an AC line would cause forward conduction and failure.
What is the thermal resistance from junction to lead (RθJL) for the 1N6283A-E3/73?
The 1N6283A-E3/73 has a typical junction-to-lead thermal resistance (RθJL) of 15.4 °C/W, as specified in the Thermal Characteristics section of Vishay document 88301. This low value enables effective heat transfer from the silicon die to the PCB copper via the leads, supporting repeated surge events without exceeding the 175 °C maximum junction temperature.
1N6283A-E3/73 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Active
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 1.5KE
1N6283A-E3/73 FAQ
1.How can I place an order for 1N6283A-E3/73 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N6283A-E3/73 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 1N6283A-E3/73 reliable?
The price and inventory of 1N6283A-E3/73 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N6283A-E3/73 is usually 5 days.
3.What payment methods are accepted for 1N6283A-E3/73?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N6283A-E3/73 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N6283A-E3/73?
1N6283A-E3/73 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N6283A-E3/73 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 1N6283A-E3/73?
For technical support, including 1N6283A-E3/73 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N6283A-E3/73 requirements.
6.How does Aetrix verify that 1N6283A-E3/73 is sourced from the original manufacturer or authorized distributors?
All 1N6283A-E3/73 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 1N6283A-E3/73 meets industry standards.
7.What is the process for return or replacement of 1N6283A-E3/73?
All 1N6283A-E3/73 units undergo pre-shipment inspection (PSI). If there is an issue with 1N6283A-E3/73, 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 1N6283A-E3/73 part is unused and in its original packaging.
Return procedure for 1N6283A-E3/73:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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