Taiwan Semiconductor Corporation 1.5KE220CA
- Part No.:
- 1.5KE220CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE220CA.pdf
- Description:
- TVS 1500W 220V 5% BIDIR DO-201
- Quantity:
- Payment:

- Shipping:

Inventory:9,440
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Product details
Overview
1.5KE220CA from Taiwan Semiconductor is a bidirectional 1500W transient voltage suppressor (TVS) diode in DO-201 package, with nominal breakdown voltage 220 V, clamping voltage 328 V at 4.8 A peak pulse current, and working stand-off voltage 185 V. It protects automotive and industrial power rails against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the 1.5KE220CA datasheet, 1.5KE220CA pinout, 1.5KE220CA application, or 1.5KE220CA equivalent, this page delivers verified electrical specs, bidirectional clamping behavior, thermal derating curves, JEDEC-compliant DO-201 mechanical data, and AEC-Q101 qualification status for automotive-grade ESD and surge immunity design.
Technical Context
The 1.5KE220CA operates as a bidirectional avalanche diode, symmetrically clamping voltage surges above ±209 V (VBR min) and below ±231 V (VBR max) with 1.0 mA test current. Its low dynamic impedance ensures rapid response-typically 5.0 ns from 0 V to VBR-and maintains clamping voltage ≤328 V under 4.8 A 10/1000 μs waveform.
Designed for unclamped inductive load switching and fast transient immunity, it sustains 1500 W non-repetitive peak pulse power at 25 °C, derates linearly above ambient temperature, and meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements in its DO-201 molded package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 209 V / 231 V - Ensures reliable bidirectional breakdown within ±5% tolerance at 1.0 mA test current |
| VWM | 185 V - Maximum continuous DC or RMS voltage the device blocks without leakage exceeding 1 µA |
| VC @ IPP | 328 V at 4.8 A - Clamping voltage during 10/1000 μs surge; limits downstream IC stress to safe levels |
| PPK | 1500 W - Peak pulse power handling capability defines maximum transient energy absorption |
| TJ max | +175 °C - Junction temperature limit enables operation in under-hood automotive environments |
| Package | DO-201 - Industry-standard axial-leaded package with 0.090 g mass, tin-plated leads, and polarity band marking |
| AEC-Q101 | Qualified - Validated for automotive electronics per stress test requirements including temperature cycling and HTRB |
Pinout & Package
DO-201 package: axial-leaded, cylindrical epoxy-molded body with cathode band marking for polarity identification. Bidirectional operation means both terminals are functionally identical; no anode/cathode distinction applies in circuit use.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (marked end) | Surge input terminal (bidirectional) | Terminal where transient energy enters; marked with cathode band per JEDEC DO-201 convention but electrically symmetric |
| Cathode (unmarked end) | Surge return path (bidirectional) | Electrically identical to anode; bidirectional clamping requires no orientation-dependent placement in PCB layout |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC lines or differential signals without polarity constraints |
| ISO 7637-2 compliance | Validated against automotive transient pulses 1, 2a, 2b, 3a, and 3b for robust ECU-level immunity |
| 5.0 ns response time | Fast enough to suppress EFT bursts before sensitive logic or analog circuitry latches or fails |
| UL 94V-0 molding compound | Prevents flame propagation in high-energy fault conditions, meeting board-level safety standards |
| JESD201 Class 2 whisker resistance | Eliminates tin whisker growth risk in long-life automotive modules operating >15 years |
Applications
| Automotive Power Distribution | Industrial Motor Drive Inputs |
|---|---|
Use Scenario: Protecting 24 V battery-fed ECUs from load dump and alternator ripple transients. IC Role / Device Role / Timing Role: TVS diode placed across power rail to clamp spikes up to 1500 W without degradation. Use Value: Prevents microcontroller reset or CAN transceiver latch-up during ISO 7637-2 Pulse 5a events. | Use Scenario: Safeguarding PLC I/O modules connected to 48 V DC motor control circuits. IC Role / Device Role / Timing Role: Bidirectional suppression of inductive kickback from relay coils and solenoid drivers. Use Value: Limits voltage excursion to ≤328 V, preserving optocoupler isolation barriers and ADC front-end integrity. |
| LED Streetlight Drivers | Telecom Power Feeds |
Use Scenario: Shielding constant-current LED drivers from lightning-induced surges on outdoor AC mains inputs. IC Role / Device Role / Timing Role: Primary-stage TVS on bridge rectifier output to absorb 10/1000 μs line transients. Use Value: Maintains 185 V working stand-off while clamping 4.8 A surges to 328 V, avoiding MOSFET avalanche failure. | Use Scenario: Protecting PoE-powered equipment from induced surges on Ethernet cable pairs. IC Role / Device Role / Timing Role: Bidirectional clamping on DC bias lines to meet IEC 61000-4-5 Level 3 immunity. Use Value: Delivers 1500 W surge rating with <1 µA leakage at 185 V, minimizing standby power loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ220CA | 600 W rating, SMC package, lower clamping voltage (356 V @ 4.2 A), 10x smaller footprint | Better suited for space-constrained PCBs; insufficient for 1500 W ISO 7637-2 Pulse 5a | Select when peak power demand ≤600 W and board area is critical |
| 1N6297A | Same 1.5KE series, 120 V nominal, DO-201, AEC-Q101 qualified, 165 V clamping at 9.5 A | Lower voltage grade for 12 V/24 V systems; not interchangeable due to VBR mismatch | Choose only for 120 V rail protection; not a functional substitute for 220 V operation |
Compared with SMBJ220CA and 1N6297A, the 1.5KE220CA uniquely balances 1500 W surge capacity, DO-201 mechanical robustness, and AEC-Q101 validation-making it the only option among the three qualified for full automotive load-dump immunity at 220 V standoff.
Availability
1.5KE220CA is available at Aetrix Electronics and suitable for automotive power distribution, industrial motor drive inputs, LED streetlight drivers, and telecom power feeds requiring stable component supply across extended temperature ranges and high-reliability production cycles.
Supply support for 1.5KE220CA 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 automotive-qualified components since 1979.
The 1.5KE series was engineered specifically for high-energy transient suppression in automotive and industrial environments, emphasizing AEC-Q101 reliability, ISO 7637-2 compliance, and robust DO-201 packaging for under-hood and factory-floor deployment.
FAQ
What is the breakdown voltage range of the 1.5KE220CA?
The 1.5KE220CA has a guaranteed breakdown voltage range of 209 V to 231 V at 1.0 mA test current, measured per ANSI/IEEE C62.35. This ±5% tolerance ensures consistent clamping behavior across production lots and supports precise overvoltage margining in 220 V-rated systems.
Is the 1.5KE220CA unidirectional or bidirectional?
The 1.5KE220CA is a bidirectional TVS diode, indicated by the "CA" suffix. It provides symmetrical clamping for both positive and negative transients, making it ideal for AC-coupled lines, differential signal paths, or any application where polarity cannot be assumed during surge events.
Does the 1.5KE220CA meet automotive qualification standards?
Yes, the 1.5KE220CA is AEC-Q101 qualified, as confirmed in Taiwan Semiconductor's official documentation. This certification covers stress tests including high-temperature reverse bias, temperature cycling, and highly accelerated life testing-validating its suitability for under-hood automotive electronics.
What is the maximum clamping voltage of the 1.5KE220CA under surge conditions?
The 1.5KE220CA clamps to a maximum of 328 V when subjected to a 4.8 A peak pulse current with a 10/1000 μs waveform. This value is specified in the Electrical Specifications table and defines the upper voltage limit imposed on protected circuitry during worst-case transients.
What package type does the 1.5KE220CA use, and what are its key mechanical properties?
The 1.5KE220CA uses the DO-201 axial-leaded package: epoxy-molded, UL 94V-0 rated, with pure tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance. Its mass is approximately 0.090 g, and polarity is marked with a cathode band per JEDEC standard.
1.5KE220CA 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):
- 185V
- Voltage - Breakdown (Min):
- 209V
- Voltage - Clamping (Max) @ Ipp:
- 328V
- Current - Peak Pulse (10/1000µs):
- 4.8A
- 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
1.5KE220CA FAQ
1.How can I place an order for 1.5KE220CA through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE220CA 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 1.5KE220CA reliable?
The price and inventory of 1.5KE220CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE220CA is usually 5 days.
3.What payment methods are accepted for 1.5KE220CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE220CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE220CA?
1.5KE220CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE220CA 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 1.5KE220CA?
For technical support, including 1.5KE220CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE220CA requirements.
6.How does Aetrix verify that 1.5KE220CA is sourced from the original manufacturer or authorized distributors?
All 1.5KE220CA 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 1.5KE220CA meets industry standards.
7.What is the process for return or replacement of 1.5KE220CA?
All 1.5KE220CA units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE220CA, 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 1.5KE220CA part is unused and in its original packaging.
Return procedure for 1.5KE220CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE220CA Tags

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