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Taiwan Semiconductor Corporation 1.5KE180C
- Part No.:
- 1.5KE180C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE180C.pdf
- Description:
- 1500W, 180V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:2,162
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Product details
Overview
1.5KE180C from Taiwan Semiconductor is a unidirectional 1500W transient voltage suppressor (TVS) diode in DO-201 package, with 180V nominal breakdown voltage (VBR min/max = 162V/198V), 146V working stand-off voltage (VWM), and 258V maximum clamping voltage (VC) at 6.1A peak pulse current. It protects automotive power rails and industrial I/O interfaces against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the 1.5KE180C datasheet, 1.5KE180C pinout, 1.5KE180C application, or 1.5KE180C equivalent, this page delivers verified electrical parameters, DO-201 terminal mapping, real-world protection use cases, and two validated alternative parts for surge immunity design.
Technical Context
The 1.5KE180C operates as a unidirectional avalanche diode, triggering when reverse voltage exceeds its 162–198V breakdown range at 1mA test current. Its low dynamic impedance ensures rapid clamping response (<1.0ps from 0V to VBR), limiting transient energy delivered to downstream circuitry.
It sustains 1500W non-repetitive peak pulse power per 10/1000μs waveform, with thermal derating above 25°C ambient and junction temperature rated up to +175°C. Leakage current remains below 1μA at 146V VWM, minimizing standby power loss in high-impedance circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR @ IT=1mA | 162V min / 198V max - defines precise avalanche onset threshold under standard test condition |
| VWM | 146V - maximum continuous reverse operating voltage before leakage exceeds 1μA |
| VC @ IPP=6.1A | 258V - clamped voltage during full 1500W surge, limiting stress on protected ICs |
| PPK | 1500W - peak pulse power handling per 10/1000μs waveform, critical for automotive load dump immunity |
| TJ max | +175°C - enables operation in under-hood automotive environments and industrial enclosures |
| Package | DO-201 - industry-standard axial leaded package with 0.090g mass and UL 94V-0 molding compound |
| Response time | <1.0ps - sub-picosecond turn-on ensures suppression before sensitive logic or analog stages are damaged |
Pinout & Package
DO-201 package: axial-leaded, cylindrical epoxy body with cathode band marking. Cathode terminal is marked by a colored band; anode is unmarked end. Leads are pure tin-plated, solderable per J-STD-002, and pass JESD 201 Class 2 whisker testing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Ground reference node | Connected to system ground or low-side return path; carries surge current to earth during clamping |
| Cathode | Protected line input | Connected to line being protected (e.g., 12V rail); reverse-biased during normal operation, avalanches during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| 1500W surge rating | Enables compliance with ISO 7637-2 Pulse 5a (load dump) without external series impedance |
| Clamping ratio VC/VBR | 1.59 (258V/162V) - tight ratio minimizes overvoltage margin required in protected circuit design |
| Leakage current ≤1μA @ VWM | Preserves signal integrity and battery life in always-on automotive modules and sensor nodes |
| AEC-Q101 qualified option | 1.5KE180CH variant available for automotive-grade reliability validation and PPAP support |
| UL 94V-0 flammability | Meets safety requirements for enclosed industrial power supplies and transportation electronics |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12V/24V vehicle battery line exposed to load dump (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and DC-DC converter input to clamp transients before regulation stage. Use Value: Limits voltage to ≤258V during 1500W surges, preventing damage to automotive-grade PMICs and microcontrollers. | Use Scenario: 4–20mA current loop transmitter connected to field wiring subject to EFT (IEC 61000-4-4) and lightning-induced surges. IC Role / Device Role / Timing Role: TVS mounted across loop supply terminals to shunt fast transients before precision DAC and op-amp front-end. Use Value: Sub-1ps response captures nanosecond-level EFT bursts; <1μA leakage avoids loop current error in 4–20mA calibration. |
| Motor Drive I/O Protection | LED Driver Input Stage Protection |
Use Scenario: Digital I/O lines controlling relay coils or MOSFET gates in factory automation PLC outputs. IC Role / Device Role / Timing Role: TVS placed across coil supply and ground to absorb inductive kickback (L·di/dt) from switched inductive loads. Use Value: 1500W rating handles repetitive 100–500V spikes; DO-201 mechanical robustness withstands vibration in industrial cabinets. | Use Scenario: Constant-current LED driver input connected to unregulated AC/DC adapter in outdoor signage. IC Role / Device Role / Timing Role: TVS installed at driver's bulk capacitor input to suppress line surges before buck controller and gate drivers. Use Value: 258V clamping prevents overvoltage failure of 300V-rated electrolytic capacitors and SiC FETs in high-efficiency drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Littelfuse P6KE180A | Same DO-201 package, identical 180V nominal, but lower 1000W peak power rating and higher 274V clamping voltage at 5.5A | Suitable for lower-energy transients (IEC 61000-4-5 Level 3), not recommended for ISO 7637-2 Pulse 5a | Select only if system surge energy is confirmed ≤1000W and clamping margin allows 274V |
| ON Semiconductor 1.5SMC180CA | Surface-mount SMC package (not axial), bidirectional configuration, same 180V nominal and 258V clamping, but 1500W rating applies to both polarities | Requires PCB redesign; suited for space-constrained designs where board layout permits SMT placement and bidirectional protection is needed | Choose only when SMT assembly is mandatory and bidirectional clamping is required for AC-coupled or floating lines |
Compared with P6KE180A and 1.5SMC180CA, the 1.5KE180C provides superior 1500W unidirectional surge handling in through-hole DO-201 format, making it optimal for high-reliability automotive and industrial power rail protection where axial mounting and maximum energy absorption are prioritized.
Availability
1.5KE180C is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interfaces, motor drive I/O, and LED driver input stages requiring stable component supply across extended temperature and surge conditions.
Supply support for 1.5KE180C 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs for automotive, industrial, and consumer markets.
The 1.5KE series was designed specifically for high-energy transient suppression in harsh environments, targeting ISO 7637-2 compliance and AEC-Q101 qualification in axial-leaded packages for ease of through-hole assembly and thermal reliability.
FAQ
What is the breakdown voltage tolerance of the 1.5KE180C?
The 1.5KE180C has a guaranteed breakdown voltage range of 162V to 198V at 1mA test current, corresponding to ±10% tolerance around the 180V nominal rating. This tolerance is measured per JEDEC standard after 30ms square-wave pulse application and is documented in Taiwan Semiconductor's official 1.5KE series datasheet revision O2104.
Is the 1.5KE180C suitable for bidirectional transient protection?
No, the 1.5KE180C is unidirectional only, indicated by the "C" suffix and cathode band marking. For bidirectional protection, the 1.5KE180CA variant must be used. The 1.5KE180C conducts only in reverse bias during clamping and blocks forward current above ~3.5V, making it inappropriate for AC or floating-line applications without additional circuitry.
What is the maximum clamping voltage of the 1.5KE180C under surge conditions?
The 1.5KE180C exhibits a maximum clamping voltage (VC) of 258V at 6.1A peak pulse current (IPP), per the 10/1000μs waveform. This value is measured under standardized surge conditions and represents the highest voltage seen across the device during full 1500W transient events, directly limiting stress on downstream components.
Does the 1.5KE180C meet automotive qualification standards?
The base 1.5KE180C is not AEC-Q101 qualified; however, the 1.5KE180CH variant (with "H" suffix) is explicitly qualified per AEC-Q101. Both share identical electrical specs and DO-201 packaging, but only the "H" version undergoes stress testing for temperature cycling, humidity, and mechanical shock required for automotive under-hood deployment.
How does the 1.5KE180C compare to the 1.5KE180A variant?
The 1.5KE180A has tighter VBR tolerance (171–189V vs. 162–198V for 1.5KE180C), resulting in higher minimum breakdown voltage and slightly improved noise immunity. Both share identical VWM (146V), VC (258V), PPK (1500W), and DO-201 packaging. The "A" variant is preferred where precise voltage threshold control is critical, such as in regulated power supply crowbar circuits.
1.5KE180C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- 1.5KE
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 146V
- Voltage - Breakdown (Min):
- 162V
- Voltage - Clamping (Max) @ Ipp:
- 258V
- Current - Peak Pulse (10/1000µs):
- 6.1A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-201
1.5KE180C FAQ
1.How can I place an order for 1.5KE180C through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE180C 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 1.5KE180C reliable?
The price and inventory of 1.5KE180C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE180C is usually 5 days.
3.What payment methods are accepted for 1.5KE180C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE180C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE180C?
1.5KE180C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE180C 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 1.5KE180C?
For technical support, including 1.5KE180C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE180C requirements.
6.How does Aetrix verify that 1.5KE180C is sourced from the original manufacturer or authorized distributors?
All 1.5KE180C 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 1.5KE180C meets industry standards.
7.What is the process for return or replacement of 1.5KE180C?
All 1.5KE180C units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE180C, 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 1.5KE180C part is unused and in its original packaging.
Return procedure for 1.5KE180C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE180C Tags
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