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Vishay General Semiconductor - Diodes Division 1N6269AHE3/51
- Part No.:
- 1N6269AHE3/51
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1N6269AHE3/51.pdf
- Description:
- TVS DIODE 7.02VWM 12.1VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:4,368
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Product details
Overview
1N6269AHE3/51 from Vishay General Semiconductor is a uni-directional Transient Voltage Suppressor (TVS) diode designed for primary overvoltage protection in power rails and signal lines. It features a 7.79 V to 8.61 V breakdown voltage (VBR) at 10 mA, 7.02 V stand-off voltage (VWM), 124 V clamping voltage (VC) at 200 A peak pulse current, and 1500 W peak pulse power rating with 10/1000 µs waveform - used to safeguard MOSFETs, ICs, and sensor interfaces in automotive and industrial power supplies.
For engineers reviewing the 1N6269AHE3/51 datasheet, 1N6269AHE3/51 pinout, 1N6269AHE3/51 application, or 1N6269AHE3/51 equivalent, this device is evaluated for fast transient suppression in DC power input stages, ESD-critical sensor front-ends, and AEC-Q101-compliant automotive subsystems where clamping response time <1 ns and low incremental surge resistance are essential design requirements.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: under normal conditions it presents high impedance (>1 MΩ at 7.02 V), but switches to low-impedance conduction within <1 ns when transients exceed VBR. Its glass-passivated junction ensures stable leakage (<200 µA at VWM) and repeatable clamping performance across temperature (-55 °C to +175 °C).
The device uses a DO-201AD package with axial leads and is rated for 200 A non-repetitive forward surge current (8.3 ms half-sine), 6.5 W steady-state power dissipation on infinite heatsink, and meets JESD 201 Class 2 whisker resistance - confirming suitability for high-reliability solder-reflow and wave-solder processes in automotive ECUs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 7.79 V / 8.61 V at 10 mA - defines precise clamping initiation threshold for overvoltage detection |
| VWM | 7.02 V - maximum continuous reverse operating voltage before leakage exceeds 200 µA |
| VC @ IPPM | 124 V at 200 A - peak clamped voltage during 10/1000 µs surge, limiting downstream stress |
| PPPM | 1500 W - surge energy handling capacity for single-event lightning or inductive switching spikes |
| TJ max. | +175 °C - enables operation in under-hood automotive environments without derating |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling and HTRB |
| Package | DO-201AD (Case Style 1.5KE) - industry-standard axial-leaded package with 0.375" lead length for through-hole mounting |
Pinout & Package
Package: DO-201AD molded epoxy case with matte tin-plated axial leads; meets UL 94 V-0 flammability rating and J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / surge return path | Connected to system ground or low-side reference in uni-directional clamp configuration |
| Cathode | Reverse-biased terminal / clamping node | Connected to protected line (e.g., 12 V rail); color band denotes cathode end per JEDEC standard |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Ensures stable VBR tolerance (±5%), low leakage (<200 µA), and long-term parameter stability under thermal cycling |
| 1500 W peak pulse power (10/1000 µs) | Supports robust protection against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 4 surges without degradation |
| Response time <1 ns | Clamps transients before sensitive logic or analog circuitry experiences damaging overvoltage |
| AEC-Q101 qualification | Validated for automotive applications including engine control, body electronics, and ADAS sensor modules |
| RoHS-compliant HE3 suffix | Meets JESD 201 Class 2 whisker resistance and supports lead-free reflow profiles up to 260 °C |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Clamp |
|---|---|
Use Scenario: 12 V battery feed to engine control unit exposed to load dump and alternator ripple. IC Role / Device Role / Timing Role: Uni-directional shunt TVS placed between VIN and GND to clamp transients above 7.02 V. Use Value: Limits clamped voltage to ≤124 V during 200 A surges, preventing damage to 3.3 V/5 V LDOs and microcontrollers. |
Use Scenario: Analog output of pressure sensor connected to PLC I/O module over 10 m cable run. IC Role / Device Role / Timing Role: TVS mounted at sensor PCB edge to suppress ESD and induced lightning surges on 0–5 V output line. Use Value: Sub-1 ns response prevents latch-up in op-amp buffer stages; 7.02 V VWM avoids interference with nominal signal range. |
| DC-DC Converter Input Stage | Telecom Line Interface Protection |
Use Scenario: 48 V input to isolated buck converter in telecom power shelf subjected to hot-swap transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp ahead of active rectification stage and input filter capacitor. Use Value: 1500 W PPPM absorbs 500 V/10 A transients without failure; DO-201AD package supports manual or automated through-hole assembly. |
Use Scenario: RS-485 transceiver interface on outdoor base station equipment exposed to nearby lightning strikes. IC Role / Device Role / Timing Role: Uni-directional TVS on VCC line and bi-directional variants on differential bus lines (not this part). Use Value: 124 V clamping protects transceiver supply pins; AEC-Q101 qualification confirms robustness in harsh environmental deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ7.0A | DO-214AA package; lower PPPM (600 W); VBR = 7.78–8.6 V; VC = 12.4 V @ 43.3 A | Compact surface-mount alternative for space-constrained PCBs; insufficient for 200 A surge events | Select SMBJ7.0A only when peak surge current remains ≤45 A and board area limits through-hole use. |
| 1.5KE7.5AHE3/54 | Same DO-201AD package; higher VBR (7.13–7.88 V); identical PPPM, VC, and AEC-Q101 status | Used where slightly higher stand-off margin (6.4 V vs. 7.02 V) is required to avoid false triggering near 5 V logic rails | Choose 1.5KE7.5AHE3/54 when protecting 5 V systems with tighter noise margins; same footprint and thermal behavior. |
Compared with 1N6269AHE3/51, SMBJ7.0A offers smaller size but sacrifices >60 % surge current capacity, while 1.5KE7.5AHE3/54 maintains full compatibility with minor VBR shift - making it a direct drop-in for 5 V rail protection where tighter VWM margin is critical.
Availability
1N6269AHE3/51 is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface design, and telecom infrastructure requiring stable component supply with AEC-Q101 assurance and RoHS compliance.
Supply support for 1N6269AHE3/51 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 diodes, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive qualification.
The 1N6269AHE3/51 belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where sub-ns response and AEC-Q101 validation are mandatory.
FAQ
What is the breakdown voltage range of the 1N6269AHE3/51?
The 1N6269AHE3/51 has a guaranteed breakdown voltage (VBR) range of 7.79 V to 8.61 V measured at 10 mA test current, per Vishay Document Number 88301. This tight tolerance ensures consistent clamping behavior across production lots and supports reliable overvoltage threshold setting in 12 V automotive and industrial systems. The 1N6269AHE3/51 maintains this specification across its full operating temperature range of -55 °C to +175 °C.
Is the 1N6269AHE3/51 suitable for automotive applications?
Yes, the 1N6269AHE3/51 is AEC-Q101 qualified per Vishay's documentation and manufactured with JESD 201 Class 2 whisker resistance, RoHS compliance, and 175 °C maximum junction temperature - all required for under-hood and chassis-mounted automotive electronics. Its 1500 W surge rating and fast response make the 1N6269AHE3/51 appropriate for engine control units, body control modules, and ADAS sensor protection per ISO 7637-2 and ISO 16750-2 standards.
What is the clamping voltage of the 1N6269AHE3/51 at maximum surge current?
The 1N6269AHE3/51 clamps to a maximum of 124 V when subjected to its rated 200 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is specified in the Electrical Characteristics table of Vishay Document 88301 and represents the worst-case voltage seen by downstream circuitry during a full-rated transient event - critical for ensuring safe operation of 100 V-rated capacitors and 150 V MOSFETs in the protected path.
Does the 1N6269AHE3/51 have a bi-directional variant?
No, the 1N6269AHE3/51 is strictly a uni-directional TVS diode, indicated by the "A" suffix and presence of cathode band marking. For bi-directional operation at the same voltage level, Vishay offers the 1N6269CA series (e.g., 1N6269CAHE3/54), which provides symmetrical clamping for AC-coupled or floating signal lines. The 1N6269AHE3/51 must be oriented with cathode toward the protected line and anode to ground in all applications.
What package type does the 1N6269AHE3/51 use?
The 1N6269AHE3/51 uses the DO-201AD package (also labeled Case Style 1.5KE), featuring axial leads, molded epoxy body, and 0.375" (9.5 mm) lead length. This through-hole package supports high-power dissipation (6.5 W on infinite heatsink) and is compatible with wave soldering, selective soldering, and hand assembly. Its dimensions and lead finish comply with J-STD-002 and JESD 22-B102 standards.
1N6269AHE3/51 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):
- 7.02V
- Voltage - Breakdown (Min):
- 7.79V
- Voltage - Clamping (Max) @ Ipp:
- 12.1V
- Current - Peak Pulse (10/1000µs):
- 124A
- 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
1N6269AHE3/51 FAQ
1.How can I place an order for 1N6269AHE3/51 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N6269AHE3/51 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 1N6269AHE3/51 reliable?
The price and inventory of 1N6269AHE3/51 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N6269AHE3/51 is usually 5 days.
3.What payment methods are accepted for 1N6269AHE3/51?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N6269AHE3/51 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N6269AHE3/51?
1N6269AHE3/51 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N6269AHE3/51 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 1N6269AHE3/51?
For technical support, including 1N6269AHE3/51 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N6269AHE3/51 requirements.
6.How does Aetrix verify that 1N6269AHE3/51 is sourced from the original manufacturer or authorized distributors?
All 1N6269AHE3/51 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 1N6269AHE3/51 meets industry standards.
7.What is the process for return or replacement of 1N6269AHE3/51?
All 1N6269AHE3/51 units undergo pre-shipment inspection (PSI). If there is an issue with 1N6269AHE3/51, 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 1N6269AHE3/51 part is unused and in its original packaging.
Return procedure for 1N6269AHE3/51:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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