Taiwan Semiconductor Corporation 1.5KE200CA
- Part No.:
- 1.5KE200CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE200CA.pdf
- Description:
- TVS 1500W 200V 5% BIDIR DO-201
- Quantity:
- Payment:

- Shipping:

Inventory:6,376
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Product details
Overview
1.5KE200CA from Taiwan Semiconductor is a bidirectional 1500W transient voltage suppressor (TVS) diode in DO-201 package, with nominal breakdown voltage 200V, clamping voltage 287V at 5.4A peak pulse current, and working stand-off voltage 162V. It protects automotive and industrial power rails against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the 1.5KE200CA datasheet, 1.5KE200CA pinout, 1.5KE200CA application, or 1.5KE200CA equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, 10/1000μs surge rating, low dynamic impedance, and compliance with automotive EFT immunity standards.
Technical Context
The 1.5KE200CA operates as a bidirectional avalanche diode, symmetrically clamping voltage surges above ±200V in either polarity. Its junction temperature range spans −55°C to +175°C, and it delivers 1500W peak pulse power under 10/1000μs waveform per JEDEC standards.
It features fast response time (<5.0ns for bidirectional operation), low leakage (<1μA at 171V), and meets ISO 7637-2 for automotive load-dump and switching transient immunity. The device uses pure tin-plated leads compliant with J-STD-002 and passes JESD 201 Class 2 whisker testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 180V / 220V - Ensures reliable conduction onset across manufacturing variation and temperature |
| VWM | 162V - Maximum continuous DC or RMS voltage before significant leakage begins |
| VC @ IPP | 287V at 5.4A - Clamped voltage during 10/1000μs surge; defines protected circuit's maximum overvoltage stress |
| PPK | 1500W - Peak transient energy handling capacity under standardized surge waveform |
| TJ max | +175°C - Enables operation in under-hood automotive environments and high-power industrial enclosures |
| IR @ VWM | <1μA - Negligible standby power loss and minimal signal path interference in high-impedance circuits |
| Package | DO-201 - Industry-standard axial leaded package with UL 94V-0 molding compound and 0.090g mass |
Pinout & Package
DO-201 package: axial-leaded, cylindrical epoxy body with cathode band marking for unidirectional variants; 1.5KE200CA is bidirectional and marked without polarity band. Leads are pure tin-plated, solderable per J-STD-002, and meet JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Surge return path (bidirectional) | Acts as cathode during positive transients and anode during negative transients; symmetrical conduction |
| Cathode | Surge return path (bidirectional) | Identical electrical role to Anode; no functional distinction in CA-suffix devices |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC lines or floating DC buses without polarity concerns |
| AEC-Q101 qualified | Validated for automotive under-hood use including thermal cycling, humidity, and mechanical shock |
| ISO 7637-2 compliance | Guarantees robustness against real-world automotive transients (Pulse 1, 2a, 2b, 3a, 3b) |
| Low dynamic impedance | Minimizes clamping voltage overshoot during fast-rising transients (e.g., EFT bursts) |
| 10/1000μs surge rating | Matches industry-standard test waveform for load dump and inductive switch-off events |
Applications
| Automotive Power Distribution | Industrial Motor Drive Inputs |
|---|---|
Use Scenario: Protection of 24V/48V battery-fed ECUs against load dump and alternator ripple. IC Role / Device Role / Timing Role: Primary overvoltage clamp on main power rail upstream of DC-DC converters and microcontrollers. Use Value: Limits transient voltage to ≤287V, preventing damage to 36V-rated input stages and enabling system-level ISO 7637-2 compliance. | Use Scenario: Input stage surge suppression for variable-frequency drives powered from 3-phase rectified bus. IC Role / Device Role / Timing Role: Bidirectional TVS placed across DC bus terminals to absorb regenerative energy spikes and switching transients. Use Value: Absorbs up to 1500W for 1ms, protecting IGBT gate drivers and bus capacitors without derating at +125°C ambient. |
| LED Streetlight Power Supply | Telecom DC Feeder Protection |
Use Scenario: Secondary-side transient protection in outdoor LED drivers exposed to lightning-induced surges on AC mains and DC output lines. IC Role / Device Role / Timing Role: Final-stage clamp on constant-current output, safeguarding LED strings and dimming ICs. Use Value: Withstands repeated 10/1000μs surges up to 5.4A while maintaining <1μA leakage at 162V, preserving efficiency and dimming linearity. | Use Scenario: Overvoltage protection on -48V telecom DC feeder lines subject to accidental AC cross-connect and lightning coupling. IC Role / Device Role / Timing Role: Bidirectional shunt device across power pair to clamp both positive and negative excursions relative to ground. Use Value: Symmetric 200V breakdown ensures equal protection margin for +48V faults and -48V reverse-polarity events. |
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 SMAJ200CA | Same 200V VBR, 287V VC, but 400W PPK and DO-214AC (SMA) package | Lower surge rating; suited for space-constrained PCBs where 1500W is not required | Select when board area is critical and peak surge energy is ≤400W |
| ON Semiconductor 1.5SMC200CA | Same 200V VBR, 287V VC, 1500W rating, but DO-214AB (SMC) package and non-AEC-Q101 | Lacks automotive qualification; higher thermal resistance than DO-201 in free-air conditions | Select for industrial/commercial use where AEC-Q101 is not mandated |
Compared with 1.5KE200CA, SMAJ200CA offers smaller footprint but significantly lower surge capacity, while 1.5SMC200CA matches power rating but lacks automotive qualification and uses a surface-mount package requiring different layout and thermal management.
Availability
1.5KE200CA is available at Aetrix Electronics and suitable for automotive ECU protection, industrial motor drive inputs, LED streetlight power supplies, and telecom DC feeder protection requiring stable component supply and long-term lifecycle support.
Supply support for 1.5KE200CA 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in power management, protection, and signal conditioning devices.
The 1.5KE series is designed specifically for high-energy transient suppression in harsh environments, with emphasis on automotive-grade reliability, ISO 7637-2 compliance, and robust DO-201 packaging for through-hole mounting in high-vibration applications.
FAQ
What is the clamping voltage of the 1.5KE200CA under standard 10/1000μs surge conditions?
The 1.5KE200CA has a maximum clamping voltage (VC) of 287V at 5.4A peak pulse current under the 10/1000μs waveform. This value is measured per JEDEC standards and defines the upper voltage limit imposed on protected circuitry during a standardized transient event. The 1.5KE200CA maintains this clamping performance across its full operating temperature range of −55°C to +175°C.
Is the 1.5KE200CA suitable for automotive applications?
Yes, the 1.5KE200CA is AEC-Q101 qualified and explicitly designed for automotive use. It meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b requirements, making it appropriate for engine control units, body control modules, and infotainment systems. The 1.5KE200CA's DO-201 package, pure tin plating, and JESD 201 Class 2 whisker resistance further support under-hood deployment.
How does the bidirectional configuration of the 1.5KE200CA affect its circuit implementation?
The 1.5KE200CA's bidirectional design eliminates polarity sensitivity, allowing direct placement across any two nodes requiring symmetrical overvoltage protection-such as AC lines, floating DC buses, or differential signal pairs. Unlike unidirectional TVS diodes, the 1.5KE200CA conducts identically in both directions, with no cathode band marking required. This simplifies layout and reduces BOM count in balanced protection schemes.
What is the maximum steady-state power dissipation of the 1.5KE200CA at elevated temperatures?
The 1.5KE200CA has a steady-state power dissipation (PD) of 5W at lead temperature (TL) = 75°C with 0.375" (9.5mm) lead length mounted on a 0.6" × 0.6" copper pad. Derating follows Fig.2 in the datasheet: at 125°C ambient, PD drops to ~3.2W. This thermal profile supports use in enclosed industrial enclosures where airflow is limited, and the 1.5KE200CA remains within safe junction limits up to +175°C.
Does the 1.5KE200CA have a specified junction capacitance value?
No specific junction capacitance (CJ) is published for the 1.5KE200CA in the provided documentation. While Fig.5 shows typical CJ curves for the 1.5KE series, it plots values only up to 100V VBR; the 1.5KE200CA falls outside that range. For high-frequency signal line protection, designers should verify capacitance experimentally or select lower-voltage TVS variants with documented CJ, as the 1.5KE200CA is optimized for power rail rather than signal integrity applications.
1.5KE200CA 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):
- 171V
- Voltage - Breakdown (Min):
- 190V
- Voltage - Clamping (Max) @ Ipp:
- 274V
- Current - Peak Pulse (10/1000µs):
- 5.7A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-201
1.5KE200CA FAQ
1.How can I place an order for 1.5KE200CA through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE200CA 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 1.5KE200CA reliable?
The price and inventory of 1.5KE200CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE200CA is usually 5 days.
3.What payment methods are accepted for 1.5KE200CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE200CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE200CA?
1.5KE200CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE200CA 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 1.5KE200CA?
For technical support, including 1.5KE200CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE200CA requirements.
6.How does Aetrix verify that 1.5KE200CA is sourced from the original manufacturer or authorized distributors?
All 1.5KE200CA 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 1.5KE200CA meets industry standards.
7.What is the process for return or replacement of 1.5KE200CA?
All 1.5KE200CA units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE200CA, 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 1.5KE200CA part is unused and in its original packaging.
Return procedure for 1.5KE200CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE200CA Tags

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