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Vishay General Semiconductor - Diodes Division 1N6273AHE3_B/C
- Part No.:
- 1N6273AHE3_B/C
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1N6273AHE3_B/C.pdf
- Description:
- 1.5KW,12V 5%,UNIDIR,AXIAL TVS
- Quantity:
- Payment:
- Shipping:
Inventory:6,990
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Product details
Overview
1N6273AHE3_B/C from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for primary-side overvoltage protection in power rails and signal lines. It features a 12.6 V maximum breakdown voltage (VBR), 10.2 V working peak reverse voltage (VWM), 16.7 V clamping voltage at 89.8 A peak pulse current, 1500 W peak pulse power (10/1000 µs), and operates across –55 °C to +175 °C junction temperature. It is used in automotive power supply inputs and industrial sensor interface protection.
For engineers reviewing the 1N6273AHE3_B/C datasheet, 1N6273AHE3_B/C pinout, 1N6273AHE3_B/C application, or 1N6273AHE3_B/C equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance (RθJL = 15.4 °C/W), JEDEC 1.5KE package dimensions, and real-world clamping behavior under transient surge conditions.
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 power 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 complies with JESD 22-B106 (solder dip ≤275 °C for 10 s) and JESD 201 Class 2 whisker testing (HE3 suffix). It is RoHS-compliant and AEC-Q101 qualified - specifically validated for 1.5KE6.8AHE3_B through 1.5KE220AHE3_B variants per Vishay Document 88301 Rev. 09-Aug-2022.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.4 V / 12.6 V - ensures reliable conduction onset above normal operating voltage while avoiding false triggering |
| VWM | 10.2 V - maximum continuous reverse standoff voltage compatible with 12 V nominal systems |
| VC @ IPPM | 16.7 V - clamping voltage at 89.8 A limits downstream IC stress during 1500 W transients |
| IPPM | 89.8 A - peak pulse current capability supports robust protection against IEC 61000-4-5 Level 4 surges |
| PPPM | 1500 W - peak pulse power rating enables single-device suppression of high-energy lightning-induced transients |
| TJ max. | +175 °C - extended junction temperature rating supports under-hood automotive and industrial environments |
| RθJL | 15.4 °C/W - low junction-to-lead thermal resistance allows effective heat dissipation into PCB copper or heatsinked leads |
Pinout & Package
Package: JEDEC 1.5KE molded epoxy case (Case Style 1.5KE), axial leaded, RoHS-compliant matte tin-plated terminals. Dimensions: 5.3 mm diameter × 9.5 mm length (0.210" × 0.375"), lead spacing 9.5 mm (0.375"). Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to protected circuit ground or low-side reference; completes clamping loop during reverse-biased surge events |
| Cathode | Transient voltage sensing node | Connected to line being protected (e.g., 12 V rail); triggers avalanche conduction when VAK exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Enables stable, repeatable avalanche characteristics and long-term reliability under repetitive surge stress |
| AEC-Q101 qualified (HE3_B/C variant) | Validated for automotive powertrain and body electronics applications requiring zero defect field performance |
| 1500 W peak pulse power (10/1000 µs) | Single-device protection against ISO 7637-2 Pulse 5a/b and IEC 61000-4-5 Combination Wave surges |
| Clamping time <1 ns | Prevents voltage overshoot before sensitive logic or analog circuitry responds, preserving signal integrity |
| Low RθJL = 15.4 °C/W | Supports sustained surge handling without thermal runaway when mounted on ≥1 oz copper with thermal relief |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: 12 V battery-fed ECU power input exposed to load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VIN and GND to clamp positive-going surges above 12.6 V. Use Value: Limits transient voltage to ≤16.7 V at 89.8 A, protecting downstream DC/DC converters and microcontrollers rated for 16 V absolute max. |
Use Scenario: 4–20 mA current loop interface in factory automation PLC modules. IC Role / Device Role / Timing Role: TVS connected across signal and return lines to suppress ESD and inductive switching spikes. Use Value: Sub-1 ns response prevents latch-up in op-amps and ADC front-ends; 10.2 V VWM avoids interference with normal loop compliance voltage. |
| Consumer Power Adapter Output Protection | Telecom DC Feeder Line Protection |
Use Scenario: 12 V output of wall-mounted AC/DC adapter powering set-top boxes or routers. IC Role / Device Role / Timing Role: Primary overvoltage clamp on secondary-side DC output, upstream of LDO regulators. Use Value: 1500 W rating absorbs multiple surge events without degradation; RoHS/HE3 qualification meets global safety certification requirements. |
Use Scenario: -48 V DC feeder line supplying remote radio units in 4G/5G base stations. IC Role / Device Role / Timing Role: Unidirectional TVS referenced to system ground, protecting PoE-like DC distribution circuitry. Use Value: 175 °C TJ max enables operation in sealed outdoor enclosures; 16.7 V clamping preserves -48 V rail integrity during induced surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ12A | 600 W PPPM, SMC package, VBR = 13.3–14.7 V, VC = 19.9 V @ 30.1 A | Lower power rating; surface-mount only; less suitable for high-energy automotive load dump | Select when board space is constrained and surge energy is limited to IEC 61000-4-2/4-4 levels. |
| 1.5KE12A-E3/54 | Same electrical specs, but commercial-grade (non-AEC-Q101), E3 suffix only (JESD 201 Class 1A whisker test) | Lacks automotive qualification; not approved for under-hood or safety-critical modules | Use in cost-sensitive consumer or industrial non-automotive designs where AEC-Q101 is not mandated. |
Compared with 1N6273AHE3_B/C, SMBJ12A offers smaller footprint but sacrifices 60% peak power handling and automotive qualification; 1.5KE12A-E3/54 matches core TVS parameters but omits AEC-Q101 validation and Class 2 whisker resistance, limiting deployment to non-automotive applications.
Availability
1N6273AHE3_B/C is available at Aetrix Electronics and suitable for automotive power systems, industrial sensor interfaces, telecom DC feeders, and consumer power adapter outputs requiring stable component supply and full AEC-Q101 traceability.
Supply support for 1N6273AHE3_B/C 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 1N6273AHE3_B/C belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-energy transient suppression in harsh environments where failure is not an option - including engine control units, battery management systems, and industrial motor drives.
FAQ
What is the AEC-Q101 qualification status of 1N6273AHE3_B/C?
The 1N6273AHE3_B/C is explicitly AEC-Q101 qualified per Vishay Document 88301 Rev. 09-Aug-2022, covering variants from 1.5KE6.8AHE3_B to 1.5KE220AHE3_B. This qualification confirms its suitability for automotive powertrain and chassis applications, including temperature cycling, humidity testing, and mechanical shock validation.
Does 1N6273AHE3_B/C have bidirectional capability?
No, 1N6273AHE3_B/C is a unidirectional TVS diode. Its polarity is marked by a cathode band, and it conducts only during reverse-biased overvoltage events. Bidirectional versions in the same family use the "CA" suffix (e.g., 1.5KE12CA), which 1N6273AHE3_B/C does not carry.
What is the maximum clamping voltage of 1N6273AHE3_B/C and at what current is it specified?
The maximum clamping voltage (VC) of 1N6273AHE3_B/C is 16.7 V, measured at the peak pulse current (IPPM) of 89.8 A under a 10/1000 µs waveform. This value is guaranteed across the full operating temperature range and defines the upper voltage limit imposed on protected circuits during surge events.
How does the thermal resistance of 1N6273AHE3_B/C impact PCB layout?
With a junction-to-lead thermal resistance (RθJL) of 15.4 °C/W, the 1N6273AHE3_B/C relies on efficient heat transfer through its axial leads. For optimal thermal performance, PCB traces connected to both anode and cathode should be ≥2 mm wide and connected to internal or external copper planes - especially critical in high-duty-cycle surge environments.
Can 1N6273AHE3_B/C replace 1.5KE12A in an existing design?
Yes, 1N6273AHE3_B/C is the exact same device as 1.5KE12A - the "1N6273A" designation is the JEDEC registered part number, while "1.5KE12A" is Vishay's proprietary type number. The HE3_B/C suffix adds AEC-Q101 qualification and Class 2 whisker resistance, making it a drop-in upgrade for automotive or high-reliability applications.
1N6273AHE3_B/C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10.2V
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 16.7V
- Current - Peak Pulse (10/1000µs):
- 89.8A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 1.5KE
1N6273AHE3_B/C FAQ
1.How can I place an order for 1N6273AHE3_B/C through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N6273AHE3_B/C 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 1N6273AHE3_B/C reliable?
The price and inventory of 1N6273AHE3_B/C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N6273AHE3_B/C is usually 5 days.
3.What payment methods are accepted for 1N6273AHE3_B/C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N6273AHE3_B/C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N6273AHE3_B/C?
1N6273AHE3_B/C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N6273AHE3_B/C 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 1N6273AHE3_B/C?
For technical support, including 1N6273AHE3_B/C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N6273AHE3_B/C requirements.
6.How does Aetrix verify that 1N6273AHE3_B/C is sourced from the original manufacturer or authorized distributors?
All 1N6273AHE3_B/C 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 1N6273AHE3_B/C meets industry standards.
7.What is the process for return or replacement of 1N6273AHE3_B/C?
All 1N6273AHE3_B/C units undergo pre-shipment inspection (PSI). If there is an issue with 1N6273AHE3_B/C, 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 1N6273AHE3_B/C part is unused and in its original packaging.
Return procedure for 1N6273AHE3_B/C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N6273AHE3_B/C Tags
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