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Vishay General Semiconductor - Diodes Division 1.5KE180AHE3_A/C
- Part No.:
- 1.5KE180AHE3_A/C
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE180AHE3_A/C.pdf
- Description:
- TVS DIODE 154VWM 246VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:2,387
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Product details
Overview
1.5KE180AHE3_A/C from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in power rails and signal lines. It features a 171 V to 189 V breakdown voltage (VBR), 154 V maximum working voltage (VWM), 1500 W peak pulse power (10/1000 µs), 6.1 A peak pulse current (IPPM), and clamps transients to ≤246 V at rated surge. It is used to protect MOSFETs, ICs, and sensor interfaces in industrial power supplies and automotive ECUs.
For engineers reviewing the 1.5KE180AHE3_A/C datasheet, 1.5KE180AHE3_A/C pinout, 1.5KE180AHE3_A/C application, or 1.5KE180AHE3_A/C equivalent, this page delivers verified electrical specs, AEC-Q101 qualification status, thermal resistance (RθJA = 75 °C/W), RoHS-compliant matte tin plating, and JEDEC 1.5KE package dimensions - all critical for ESD/lightning surge design validation and BOM sourcing.
Technical Context
This unidirectional TVS diode operates as a voltage-clamping device with glass-passivated junction technology, enabling sub-nanosecond response time (<1 ns) to transient events. Its 1500 W peak pulse power rating is defined per 10/1000 µs waveform at 0.01% duty cycle, with clamping performance validated up to 175 °C junction temperature.
The device exhibits low incremental surge resistance and excellent clamping ratio (VC/VBR ≈ 1.37), ensuring minimal overshoot during surge events. It supports unidirectional polarity only (cathode marked), with forward voltage of 5.0 V at 100 A and 200 A non-repetitive surge current capability (8.3 ms half-sine).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 171 V / 189 V - Ensures reliable triggering above normal operating voltage while avoiding false trips under tolerance drift. |
| VWM | 154 V - Maximum continuous reverse standoff voltage; defines upper limit of safe DC or AC RMS operation. |
| IPPM | 6.1 A - Peak surge current it can safely divert without degradation; determines minimum series impedance needed for coordination. |
| VC @ IPPM | ≤246 V - Clamped voltage during full-rated surge; sets worst-case stress on downstream protected components. |
| PPPM | 1500 W - Peak pulse power handling (10/1000 µs); enables protection against lightning-induced surges per IEC 61000-4-5. |
| TJ max | +175 °C - Maximum junction temperature; supports operation in high-ambient environments like engine compartments. |
| RθJA | 75 °C/W - Junction-to-ambient thermal resistance; informs heatsinking requirements for repetitive surge scenarios. |
Pinout & Package
Package: JEDEC-standard 1.5KE molded epoxy case (Case Style 1.5KE), RoHS-compliant, matte tin-plated leads, UL 94 V-0 rated molding compound. Dimensions: 5.3 mm × 5.3 mm × 9.5 mm (L × W × H), lead spacing 7.2 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias | Connected to ground or low-side reference in unidirectional clamp configuration; must be routed with low-inductance path. |
| Cathode | Current exit point in forward bias; marked with color band | Connected to protected line (e.g., 24 V rail); polarity-sensitive installation required to ensure proper clamping direction. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Enables stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure. |
| 1500 W peak pulse power (10/1000 µs) | Meets IEC 61000-4-5 Level 4 surge immunity requirements for industrial and automotive power inputs. |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive electronics use including engine control units and body control modules. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., inductive switch-off), improving protection margin. |
| Solderable per J-STD-002/JESD 22-B102 | Ensures robust lead termination integrity after reflow and wave soldering processes in high-volume manufacturing. |
Applications
| Industrial Power Supply Protection | Automotive ECU Input Protection |
|---|---|
Use Scenario: Protecting 24 V DC input stage of programmable logic controllers (PLCs) against load dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional voltage clamp placed between input rail and chassis ground, responding within <1 ns to suppress surges before reaching DC-DC converters. Use Value: Limits transient voltage to ≤246 V, preventing damage to upstream rectifiers and downstream regulators rated for 200 V max input. |
Use Scenario: Safeguarding CAN transceiver power pins in automotive body control modules exposed to ISO 7637-2 Pulse 5a (load dump). IC Role / Device Role / Timing Role: Primary overvoltage clamp on VCC rail, coordinated with ceramic decoupling caps to absorb energy before reaching sensitive PHY circuitry. Use Value: Withstands 1500 W surges while maintaining clamping below 246 V, preserving CAN bus functionality during battery disconnect events. |
| Telecom Line Interface Protection | Motor Drive Gate Driver Protection |
Use Scenario: Shielding RS-485 transceivers in remote telemetry units from induced lightning surges on long outdoor cable runs. IC Role / Device Role / Timing Role: Secondary-level TVS on isolated power supply side, triggered after primary gas discharge tube (GDT) crowbars high-energy transients. Use Value: Fast response (<1 ns) ensures clamping occurs before GDT arc extinction, preventing secondary voltage spikes that could damage isolators. |
Use Scenario: Protecting high-side gate driver ICs in 3-phase inverter drives from Miller-induced voltage spikes during IGBT switching. IC Role / Device Role / Timing Role: Clamp placed across gate-emitter terminals to suppress dv/dt-induced turn-on and prevent shoot-through failure. Use Value: Low clamping voltage (246 V) and fast response enable effective suppression of >1 kV transients without adding gate resistance that degrades switching speed. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ180A | DO-214AA package; lower PPPM = 600 W; VBR = 200–222 V; smaller footprint (4.5 × 3.9 mm). | Not AEC-Q101 qualified; limited to commercial-grade industrial or consumer applications. | Select when board space is constrained and surge energy is ≤600 W; verify coordination with upstream fusing due to lower IPPM. |
| 1.5KE180A | Same 1.5KE package and electrical specs, but lacks HE3 suffix - not AEC-Q101 qualified and uses standard whisker test (JESD 201 Class 1A). | Approved for commercial/industrial use only; excluded from automotive production BOMs requiring AEC-Q101 compliance. | Choose for cost-sensitive non-automotive designs where AEC-Q101 is not mandated; identical layout and thermal behavior. |
Compared with 1.5KE180AHE3_A/C, SMBJ180A offers space savings but sacrifices 60% peak power and automotive qualification; 1.5KE180A matches form/fit/function but omits AEC-Q101 validation - making 1.5KE180AHE3_A/C the sole option for production automotive systems requiring certified reliability.
Availability
1.5KE180AHE3_A/C is available at Aetrix Electronics and suitable for industrial power supplies, automotive electronic control units, telecom infrastructure equipment, and motor drive systems requiring stable component supply across extended product lifecycles.
Supply support for 1.5KE180AHE3_A/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 1.5KE series was engineered specifically for high-energy transient suppression in harsh environments, emphasizing AEC-Q101 qualification, stable clamping performance over temperature, and robust packaging for automotive and industrial power systems.
FAQ
What is the breakdown voltage range of the 1.5KE180AHE3_A/C?
The 1.5KE180AHE3_A/C has a specified breakdown voltage (VBR) range of 171 V to 189 V at 1.0 mA test current. This range ensures consistent clamping behavior across manufacturing lots and temperature extremes, and is measured per JEDEC standards. The 1.5KE180AHE3_A/C maintains this specification under TA = 25 °C conditions and derates predictably above ambient per Figure 2 in the Vishay datasheet 88301.
Is the 1.5KE180AHE3_A/C AEC-Q101 qualified?
Yes, the 1.5KE180AHE3_A/C is AEC-Q101 qualified, as confirmed by the "HE3" suffix and documentation in Vishay's datasheet 88301 (Revision 09-Aug-2022), Note (1) under Ratings and Characteristics Curves. This qualification covers temperature cycling, mechanical shock, and surge testing required for automotive electronics, and applies specifically to the HE3_B and HE3_C variants - including the 1.5KE180AHE3_A/C.
What is the maximum clamping voltage of the 1.5KE180AHE3_A/C at its rated peak pulse current?
The 1.5KE180AHE3_A/C clamps to a maximum of 246 V at its rated peak pulse current (IPPM) of 6.1 A, using the standard 10/1000 µs waveform. This value is guaranteed per the Electrical Characteristics table in Vishay document 88301 and represents worst-case voltage seen by downstream components during full-rated surge events - critical for validating voltage margins in protected circuits.
Does the 1.5KE180AHE3_A/C have bidirectional capability?
No, the 1.5KE180AHE3_A/C is strictly unidirectional. Its part number ends in "A", not "CA", and Vishay's datasheet explicitly states that bidirectional versions are only available from 1.5KE6.8CA to 1.5KE220CA. The cathode is marked with a color band, and forward conduction occurs only from anode to cathode - making it unsuitable for AC line or differential signal protection without external circuitry.
What is the thermal resistance junction-to-ambient (RθJA) for the 1.5KE180AHE3_A/C?
The 1.5KE180AHE3_A/C has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W, as published in the Thermal Characteristics section of Vishay datasheet 88301. This value assumes standard PCB mounting with no added heatsink and is used to calculate steady-state temperature rise under continuous power dissipation - though the device is intended for transient, not continuous, operation.
1.5KE180AHE3_A/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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 154V
- Voltage - Breakdown (Min):
- 171V
- Voltage - Clamping (Max) @ Ipp:
- 246V
- Current - Peak Pulse (10/1000µs):
- 6.1A
- 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
1.5KE180AHE3_A/C FAQ
1.How can I place an order for 1.5KE180AHE3_A/C through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE180AHE3_A/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 1.5KE180AHE3_A/C reliable?
The price and inventory of 1.5KE180AHE3_A/C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE180AHE3_A/C is usually 5 days.
3.What payment methods are accepted for 1.5KE180AHE3_A/C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE180AHE3_A/C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE180AHE3_A/C?
1.5KE180AHE3_A/C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE180AHE3_A/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 1.5KE180AHE3_A/C?
For technical support, including 1.5KE180AHE3_A/C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE180AHE3_A/C requirements.
6.How does Aetrix verify that 1.5KE180AHE3_A/C is sourced from the original manufacturer or authorized distributors?
All 1.5KE180AHE3_A/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 1.5KE180AHE3_A/C meets industry standards.
7.What is the process for return or replacement of 1.5KE180AHE3_A/C?
All 1.5KE180AHE3_A/C units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE180AHE3_A/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 1.5KE180AHE3_A/C part is unused and in its original packaging.
Return procedure for 1.5KE180AHE3_A/C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE180AHE3_A/C Tags
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