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Taiwan Semiconductor Corporation 1.5KE13
- Part No.:
- 1.5KE13
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE13.pdf
- Description:
- 1500W, 13V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:6,342
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Product details
Overview
1.5KE13 from Taiwan Semiconductor is a unidirectional 1500W transient voltage suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a nominal breakdown voltage of 13 V, minimum/maximum VBR of 11.7 V / 14.3 V at 1.0 mA test current, working stand-off voltage of 10.5 V, clamping voltage of 19.0 V at 82 A peak impulse current, and operates within -55°C to +175°C junction temperature range.
For engineers reviewing the 1.5KE13 datasheet, 1.5KE13 pinout, 1.5KE13 application, or 1.5KE13 equivalent, this part serves as a high-energy surge protector compliant with ISO 7637-2 Pulse 1/2a/2b/3a/3b, suitable for automotive load-dump and ESD immunity design where fast response (<1.0 ps), low dynamic impedance, and AEC-Q101 qualification are critical.
Technical Context
The 1.5KE13 is a single-junction, silicon avalanche diode optimized for unidirectional clamping. Its structure enables sub-nanosecond response to transients while maintaining <1 μA leakage above 10 V and a temperature coefficient of VBR at 0.081 %/°C - ensuring stable clamping across industrial temperature ranges.
It delivers 1500 W peak pulse power per 10/1000 μs waveform, with a maximum clamping voltage of 19.0 V at 82 A IPP, enabling robust protection of downstream 12 V systems without excessive voltage overshoot. The device is rated for 200 A non-repetitive forward surge current (8.3 ms half-sine) and exhibits 3.5 V forward voltage at 50 A.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR @ IT = 1.0 mA | 11.7 V min / 14.3 V max - defines precise avalanche onset threshold for reliable triggering in 12 V systems |
| VWM | 10.5 V - maximum continuous reverse operating voltage; ensures no conduction during normal 12 V rail operation |
| VC @ IPP = 82 A | 19.0 V - clamped voltage under full 1500 W surge; limits stress on protected ICs to safe margin below 20 V |
| PPK | 1500 W - peak pulse power handling per 10/1000 μs waveform; supports automotive load-dump and ISO 7637-2 compliance |
| IPP | 82 A - peak impulse current capacity; determines minimum series impedance required for effective clamping |
| TJ max | +175 °C - extended junction temperature rating enables use in under-hood automotive and industrial environments |
| Response time | <1.0 ps - ultrafast avalanche turn-on ensures protection before transient energy reaches sensitive circuitry |
Pinout & Package
Package: DO-201 axial leaded package with cathode band marking; RoHS-compliant, halogen-free molding compound (UL 94V-0); pure tin-plated leads solderable per J-STD-002; weight ≈ 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current input / transient return path | Connected to ground or low-impedance return; completes clamping loop during overvoltage events |
| Cathode | Protected line connection | Connected to the 12 V rail or signal line being protected; avalanche conduction occurs from cathode to anode |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standard |
| 1500 W surge capability | Withstands ISO 7637-2 Pulse 5a (load dump) up to 1500 W without degradation or parametric shift |
| Clamping voltage ≤19.0 V | Ensures protected 12 V logic and microcontrollers remain within absolute maximum ratings during surge events |
| Leakage current <1 μA @ VWM | Minimizes standby power loss and avoids false triggering in low-power battery-operated systems |
| DO-201 mechanical robustness | Meets JESD201 Class 2 whisker resistance and supports 0.375" lead mounting for thermal dissipation |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 12 V supply inputs of engine control units (ECUs) against load-dump transients up to 40 V and 1500 W. IC Role / Device Role / Timing Role: Primary unidirectional TVS clamp placed directly at ECU power entry point, responding in <1 ps to divert surge energy to chassis ground. Use Value: Limits voltage seen by downstream DC-DC converters and MCUs to ≤19.0 V, preventing latch-up or permanent damage during ISO 7637-2 Pulse 5a events. |
Use Scenario: Safeguarding analog sensor inputs (e.g., pressure, temperature) in factory automation PLC modules exposed to inductive switching noise. IC Role / Device Role / Timing Role: Fast-acting TVS placed at connector interface to shunt EFT bursts (IEC 61000-4-4) and relay coil flyback spikes before reaching precision ADC front-end. Use Value: Maintains signal integrity by clamping transients to ≤19.0 V with <1 μA leakage, avoiding baseline drift or offset errors in mV-level sensor signals. |
| LED Lighting Driver Protection | Telecom DC Power Input Protection |
|
Use Scenario: Shielding constant-current LED drivers in streetlight systems from lightning-induced surges on 24–48 V DC distribution lines. IC Role / Device Role / Timing Role: Unidirectional TVS mounted across input terminals to absorb repetitive 10/1000 μs surges without thermal runaway. Use Value: Sustains 1500 W peak power handling and +175 °C operation, enabling reliable field life in outdoor enclosures with minimal derating. |
Use Scenario: Securing 48 V DC power inputs of remote radio units (RRUs) against induced surges from nearby lightning strikes on telecom tower infrastructure. IC Role / Device Role / Timing Role: First-line TVS suppressor upstream of DC-DC conversion stage, meeting IEC 61000-4-5 Level 3 (2 kV/1 kA) requirements. Use Value: Delivers 19.0 V clamping at 82 A with low dynamic impedance, reducing stress on downstream TVS arrays and enabling smaller secondary protection stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | Lower peak power (600 W), SMC package (smaller footprint), bidirectional variant available | Better suited for space-constrained PCBs but insufficient for full ISO 7637-2 Pulse 5a compliance | Select SMBJ13A only when surge energy is limited to ≤600 W and board area is critical; not drop-in for 1.5KE13 in automotive load-dump designs |
| 1N6274A | Same DO-201 package, tighter VBR tolerance (12.4–13.7 V vs. 11.7–14.3 V), identical 19.0 V clamping | Offers improved voltage consistency for precision 12 V rail protection where tighter VBR spread reduces design margin uncertainty | Choose 1N6274A when tighter breakdown voltage control is required; electrically compatible and mechanically identical to 1.5KE13 |
Compared with SMBJ13A and 1N6274A, the 1.5KE13 provides higher surge energy handling (1500 W vs. 600 W) and broader VBR tolerance, making it optimal for cost-sensitive, high-reliability automotive and industrial applications where full ISO 7637-2 compliance is mandatory and board space permits DO-201 mounting.
Availability
1.5KE13 is available at Aetrix Electronics and suitable for automotive ECU power protection, industrial sensor interface hardening, and LED driver surge suppression requiring stable component supply, long-term lifecycle support, and AEC-Q101-qualified parts.
Supply support for 1.5KE13 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, with global distribution and AEC-Q101 certification capabilities.
The 1.5KE series was developed specifically for high-energy transient suppression in automotive and industrial environments, emphasizing rugged DO-201 packaging, ISO 7637-2 compliance, and extended temperature operation up to +175 °C.
FAQ
What is the clamping voltage of the 1.5KE13 under maximum surge conditions?
The 1.5KE13 has a maximum clamping voltage (VC) of 19.0 V at 82 A peak impulse current (IPP) under the standard 10/1000 μs waveform. This value is measured per JEDEC test conditions and ensures protected circuits remain within safe voltage limits during full-rated 1500 W surge events. The 1.5KE13 maintains this clamping performance across its specified operating temperature range.
Is the 1.5KE13 suitable for automotive applications requiring AEC-Q101 qualification?
Yes, the 1.5KE13 is AEC-Q101 qualified - explicitly stated in the manufacturer's documentation for the 1.5KE series. This qualification covers stress tests including high-temperature reverse bias, temperature cycling, and ESD, confirming suitability for under-hood and powertrain applications. The 1.5KE13 meets ISO 7637-2 Pulse 1/2a/2b/3a/3b requirements, making it appropriate for automotive ECU and body control module protection.
What is the difference between 1.5KE13 and 1.5KE13A?
The 1.5KE13A is the tighter-tolerance variant of the 1.5KE13: its breakdown voltage range is 12.4–13.7 V (vs. 11.7–14.3 V for 1.5KE13) at 1.0 mA test current, while both share identical clamping voltage (19.0 V), package (DO-201), and surge rating (1500 W). The 1.5KE13A offers improved VBR consistency for designs requiring tighter voltage margin control, but the 1.5KE13 remains fully functional where broader tolerance is acceptable.
Can the 1.5KE13 be used in bidirectional configurations?
No - the 1.5KE13 is a unidirectional TVS diode, marked with a cathode band and intended for DC rail protection where polarity is fixed. For bidirectional protection (e.g., AC lines or data buses), Taiwan Semiconductor specifies CA-suffixed parts like 1.5KE13CA, which feature symmetrical breakdown in both directions. Using the 1.5KE13 in reverse-biased mode beyond its specified VWM risks irreversible breakdown and failure.
What is the thermal derating behavior of the 1.5KE13 above 25°C ambient?
The 1.5KE13 follows a linear derating curve per Figure 2 in the datasheet: peak pulse power decreases from 1500 W at 25°C to approximately 750 W at 100°C ambient (without heat sink). Derating is based on junction temperature limits (TJ ≤ 175°C); proper PCB copper area (e.g., 16 mm × 16 mm pad) significantly improves thermal performance. The 1.5KE13 retains full functionality up to TJ = 175°C, supporting high-temperature industrial deployments.
1.5KE13 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10.5V
- Voltage - Breakdown (Min):
- 11.7V
- Voltage - Clamping (Max) @ Ipp:
- 19V
- Current - Peak Pulse (10/1000µs):
- 82A
- 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
1.5KE13 FAQ
1.How can I place an order for 1.5KE13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE13 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 1.5KE13 reliable?
The price and inventory of 1.5KE13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE13 is usually 5 days.
3.What payment methods are accepted for 1.5KE13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE13?
1.5KE13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE13 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 1.5KE13?
For technical support, including 1.5KE13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE13 requirements.
6.How does Aetrix verify that 1.5KE13 is sourced from the original manufacturer or authorized distributors?
All 1.5KE13 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 1.5KE13 meets industry standards.
7.What is the process for return or replacement of 1.5KE13?
All 1.5KE13 units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE13, 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 1.5KE13 part is unused and in its original packaging.
Return procedure for 1.5KE13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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