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Vishay General Semiconductor - Diodes Division 1N6275HE3/54
- Part No.:
- 1N6275HE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1N6275HE3/54.pdf
- Description:
- TVS DIODE 12.1VWM 22VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:5,729
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Product details
Overview
1N6275HE3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for primary-side overvoltage protection in DC power rails and signal lines. It features a 1500 W peak pulse power rating (10/1000 µs), 14.3–15.8 V breakdown voltage (VBR) at 1.0 mA test current, 12.8 V maximum stand-off voltage (VWM), and clamps transients to ≤21.2 V at 70.8 A peak pulse current - deployed in automotive power supply inputs and industrial sensor interface protection.
For engineers reviewing the 1N6275HE3/54 datasheet, 1N6275HE3/54 pinout, 1N6275HE3/54 application, or 1N6275HE3/54 equivalent, this part serves as a RoHS-compliant, AEC-Q101-qualified TVS for high-energy transient suppression where fast response (<1 ns), low clamping ratio (VC/VBR ≈ 1.49), and robust surge handling (200 A IFSM) are critical design requirements.
Technical Context
This unidirectional TVS operates by avalanche breakdown above its specified VBR, providing low-impedance shunt conduction during ESD or lightning-induced surges. Its glass-passivated junction ensures stable leakage performance and repeatable clamping behavior across temperature (−55 °C to +175 °C).
The device delivers 1500 W peak pulse power under standardized 10/1000 µs waveform conditions with 0.01 % duty cycle, and exhibits 0.084 %/°C temperature coefficient of VBR. Thermal resistance from junction to lead is 15.4 °C/W, enabling effective heat dissipation through PCB copper pours or short lead traces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 14.3 V / 15.8 V at 1.0 mA - defines precise avalanche onset threshold for reliable overvoltage triggering |
| VWM | 12.8 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 µA |
| VC @ IPPM | 21.2 V at 70.8 A - clamping voltage during full 1500 W transient, limiting downstream stress |
| PPPM | 1500 W (10/1000 µs) - peak surge energy handling capacity without failure |
| IFSM | 200 A (8.3 ms half-sine) - single-event surge current limit for unidirectional forward conduction |
| TJ max | +175 °C - enables operation in under-hood automotive or high-ambient industrial environments |
| RθJL | 15.4 °C/W - low thermal resistance supports direct lead-to-heatsink mounting or PCB copper thermal relief |
Pinout & Package
1N6275HE3/54 uses the industry-standard Case Style 1.5KE axial-leaded package (DO-201AD), with cathode indicated by a color band. Leads are matte tin-plated, solderable per J-STD-002 and JESD 22-B102, and rated for 275 °C dip soldering (10 s max). The HE3 suffix denotes RoHS compliance and AEC-Q101 qualification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to protected circuit ground or low-side reference; conducts during reverse-transient clamp |
| Cathode | Avalanche breakdown node / high-side connection | Marked with color band; connects to line being protected (e.g., 12 V rail); defines VWM and VBR polarity |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable leakage current (<1.0 µA at VWM) and long-term reliability under thermal cycling |
| 1500 W peak pulse power (10/1000 µs) | Protects against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 4 surges without derating |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive powertrain and body electronics applications requiring zero defect field performance |
| 0.084 %/°C VBR tempco | Minimizes drift across −40 °C to +125 °C ambient, maintaining consistent clamping margin in wide-temp systems |
| Low incremental surge resistance | Enables tight clamping (VC/VBR = 1.49) and reduces voltage overshoot during fast-rising transients |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Clamp |
|---|---|
Use Scenario: 12 V battery feed to engine control unit (ECU) exposed to load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Primary shunt protector placed upstream of LDO regulators and microcontrollers to clamp transients before they reach sensitive ICs. Use Value: Limits voltage to ≤21.2 V during 70.8 A surges, preventing latch-up or gate oxide damage in downstream 3.3 V/5 V logic. |
Use Scenario: 4–20 mA current loop interface in factory automation PLC modules subjected to EFT bursts (IEC 61000-4-4). IC Role / Device Role / Timing Role: Bidirectional-capable unidirectional TVS (used anode-grounded) clamps induced common-mode spikes on analog input traces. Use Value: Responds in <1 ns to suppress >1 kV transients while maintaining <1.0 µA leakage at 12.8 V, preserving loop accuracy. |
| Telecom DC Power Feeds | Consumer Device USB Port Surge Guard |
Use Scenario: −48 V DC power input to telecom base station card, vulnerable to lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: First-line defense in series with fuse and PTC, absorbing bulk surge energy before secondary protection stages. Use Value: Handles 1500 W pulses without degradation, supporting multi-kA surge events per Telcordia GR-1089-CORE requirements. |
Use Scenario: VBUS line protection in USB 2.0 host port of smart home hub exposed to human-body ESD (±8 kV contact). IC Role / Device Role / Timing Role: Fast-acting shunt element placed between VBUS and GND, triggered before internal USB PHY sustains damage. Use Value: Clamps ESD event to <21.2 V within nanoseconds, meeting IEC 61000-4-2 Level 4 immunity without affecting 500 mA charging functionality. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ15A-E3/52 (Vishay) | Same VWM (12.8 V) and VC (24.4 V), but lower PPPM (600 W), SMC package (surface-mount) | Preferred for space-constrained PCBs; unsuitable for 1500 W surge events | Select when board area is limited and surge energy is ≤600 W (e.g., secondary protection or low-risk consumer ports) |
| 1.5KE15AHE3/54 (Vishay) | Identical electrical specs and AEC-Q101 qualification; differs only in packaging nomenclature (1.5KE vs. 1N prefix) | No functional difference; same mechanical form, thermal performance, and qualification status | Direct cross-reference per Vishay's ordering documentation - interchangeable in all designs using Case Style 1.5KE |
Compared with SMBJ15A-E3/52, 1N6275HE3/54 provides 2.5× higher surge power handling and axial-leaded through-hole mounting for high-reliability power inputs; versus 1.5KE15AHE3/54, it is electrically and mechanically identical - differing only in JEDEC part numbering convention, not performance or qualification.
Availability
1N6275HE3/54 is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface protection, and telecom DC feed applications requiring stable component supply, long-lifecycle support, and AEC-Q101-qualified surge resilience.
Supply support for 1N6275HE3/54 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 efficiency, and automotive-grade qualification.
The 1N6275HE3/54 belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure where failure is not an option.
FAQ
What is the breakdown voltage tolerance for 1N6275HE3/54?
The 1N6275HE3/54 has a guaranteed breakdown voltage range of 14.3 V to 15.8 V at 1.0 mA test current, per Vishay Document Number 88301. This ±5 % tolerance ensures predictable clamping onset across production lots and temperature extremes, critical for designing robust overvoltage margins in 12 V systems.
Is 1N6275HE3/54 suitable for bidirectional transient suppression?
No - 1N6275HE3/54 is a unidirectional TVS diode, intended for DC line protection where polarity is fixed. For bidirectional AC or data-line applications, Vishay offers the CA-suffix variants (e.g., 1N6275CA); the "A" suffix in 1N6275HE3/54 explicitly denotes unidirectional configuration with cathode marking.
What does the "HE3/54" suffix mean in 1N6275HE3/54?
The "HE3" suffix indicates RoHS compliance and AEC-Q101 qualification per JESD22-A108; "/54" specifies packaging in 13″ paper tape and reel with 1400 units per reel. This distinguishes it from commercial-grade E3 variants and confirms suitability for automotive and high-reliability industrial use.
How does 1N6275HE3/54 perform under elevated ambient temperatures?
1N6275HE3/54 maintains full 1500 W pulse rating up to 25 °C ambient; above that, derating follows Fig. 2 in Document 88301 - e.g., at 85 °C TA, peak power drops to ~1050 W. Its +175 °C TJmax and 15.4 °C/W RθJL enable sustained operation in under-hood or enclosed industrial enclosures with proper thermal layout.
Can 1N6275HE3/54 replace older 1N6275A parts in existing designs?
Yes - 1N6275HE3/54 is a drop-in replacement for legacy 1N6275A, retaining identical electrical specs, package (Case 1.5KE), and pinout. The HE3 suffix adds AEC-Q101 qualification and enhanced whisker resistance (JESD201 Class 2), making it suitable for both new automotive designs and backward-compatible upgrades of industrial hardware.
1N6275HE3/54 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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12.1V
- Voltage - Breakdown (Min):
- 13.5V
- Voltage - Clamping (Max) @ Ipp:
- 22V
- Current - Peak Pulse (10/1000µs):
- 68.2A
- 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
1N6275HE3/54 FAQ
1.How can I place an order for 1N6275HE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N6275HE3/54 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 1N6275HE3/54 reliable?
The price and inventory of 1N6275HE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N6275HE3/54 is usually 5 days.
3.What payment methods are accepted for 1N6275HE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N6275HE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N6275HE3/54?
1N6275HE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N6275HE3/54 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 1N6275HE3/54?
For technical support, including 1N6275HE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N6275HE3/54 requirements.
6.How does Aetrix verify that 1N6275HE3/54 is sourced from the original manufacturer or authorized distributors?
All 1N6275HE3/54 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 1N6275HE3/54 meets industry standards.
7.What is the process for return or replacement of 1N6275HE3/54?
All 1N6275HE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with 1N6275HE3/54, 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 1N6275HE3/54 part is unused and in its original packaging.
Return procedure for 1N6275HE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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