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Taiwan Semiconductor Corporation 1.5KE10A
- Part No.:
- 1.5KE10A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE10A.pdf
- Description:
- TVS 1500W 10V 5% UNIDIR DO-201
- Quantity:
- Payment:
- Shipping:
Inventory:2,701
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Product details
Overview
1.5KE10A from Taiwan Semiconductor is a unidirectional 1500W transient voltage suppressor (TVS) diode with a nominal breakdown voltage of 10V, minimum VBR of 9.50V at 1.0mA test current, maximum clamping voltage of 14.5V at 10A peak pulse current, and DO-201 package. It protects automotive and industrial power rails against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the 1.5KE10A datasheet, 1.5KE10A pinout, 1.5KE10A application, or 1.5KE10A equivalent, this part delivers verified 1500W surge capability at 10/1000μs, <1.0ps response time from 0V to VBR, and AEC-Q101 qualification - critical for ESD and inductive switching protection in 12V/24V systems.
Technical Context
The 1.5KE10A operates as a unidirectional avalanche diode, clamping overvoltage events by entering breakdown when reverse voltage exceeds 9.50–10.5V. Its low dynamic impedance ensures stable clamping under fast transients, and its junction temperature range of –55°C to +175°C supports under-hood automotive deployment.
It meets ISO 7637-2 immunity requirements for automotive electronics, with a maximum working stand-off voltage of 8.55V and leakage current <1μA above 10V. The device is rated for 200A non-repetitive forward surge current and exhibits a VBR temperature coefficient of 0.073%/°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR @ IT = 1.0mA | 9.50–10.5V: Ensures reliable turn-on before system damage threshold in 12V supply rails. |
| VWM | 8.55V: Maximum continuous reverse voltage without significant leakage - compatible with 8.5V logic-supply margins. |
| VC @ IPP = 10A | 14.5V: Clamped voltage during 10/1000μs surge - keeps downstream ICs below absolute max ratings. |
| PPK | 1500W: Peak pulse power handling at TA = 25°C - sufficient for ISO 7637-2 Pulse 5a (load dump) surges. |
| IFSM | 200A: Non-repetitive forward surge rating - supports high-current inductive switch-off events. |
| Junction Temp Range | –55°C to +175°C: Enables operation in engine compartment environments without derating. |
| Package | DO-201: Industry-standard axial leaded package with tin-plated leads, UL 94V-0 molding, and JESD201 Class 2 whisker resistance. |
Pinout & Package
DO-201 package: axial-leaded, cylindrical glass-passivated body with cathode band marking. Cathode terminal is marked with a band; anode is unmarked end. Leads are pure tin-plated, solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path / Ground reference | Connected to system ground or low-side return; conducts during forward surge events (e.g., reverse battery protection). |
| Cathode | Reverse-biased clamping node | Connected to protected line (e.g., 12V rail); avalanches into conduction when transient exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness - required for Tier-1 ECUs. |
| 1500W surge rating (10/1000μs) | Handles worst-case load dump and alternator surge events without degradation - eliminates need for external series impedance. |
| <1.0ps response time (0V → VBR) | Clamps faster than most microcontroller I/O pin ESD structures - prevents latch-up or gate oxide rupture in unprotected ICs. |
| Meets ISO 7637-2 Pulse 1/2a/2b/3a/3b | Complies with full suite of automotive transient immunity standards - simplifies EMC validation for 12V/24V modules. |
| Low dynamic impedance | Minimizes voltage overshoot during high-di/dt transients - maintains tighter clamping margin vs. MOVs or polymer TVS. |
Applications
| Automotive Power Rail Protection | Industrial PLC Input Protection |
|---|---|
|
Use Scenario: Protecting 12V battery-fed control modules from 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 input, clamping transients within 1.0ps. Use Value: Limits rail voltage to ≤14.5V during 1500W surges, preventing damage to LDOs and microcontrollers rated for 16V max. |
Use Scenario: Safeguarding 24V digital input channels on programmable logic controllers against field-wiring ESD and inductive kickback. IC Role / Device Role / Timing Role: Standoff diode mounted at connector entry point, shunting transients to chassis ground before signal conditioning circuitry. Use Value: Withstands >10kV contact ESD (IEC 61000-4-2) and 40A inductive spikes while maintaining <1μA leakage at 24V nominal. |
| LED Driver Overvoltage Clamp | Telecom Power Interface Protection |
|
Use Scenario: Preventing catastrophic failure of constant-current LED drivers exposed to 12V supply transients in commercial lighting fixtures. IC Role / Device Role / Timing Role: Primary clamping element across driver input terminals, sized to absorb 10/1000μs surges without thermal runaway. Use Value: Delivers 1500W peak power dissipation with 175°C max junction temperature - enables compact heatsink-free designs. |
Use Scenario: Hardening 48V PoE-powered telecom interface cards against lightning-induced surges on DC input lines. IC Role / Device Role / Timing Role: First-stage TVS on primary DC input, coordinated with secondary GDT or MOV for staged protection. Use Value: Low VC/VBR ratio (1.45×) ensures rapid clamping before secondary protectors activate - reduces let-through energy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10A | Lower peak power (600W), smaller SMB package (surface-mount), VC = 17.0V @ 34.4A. | Better suited for space-constrained PCBs but insufficient for ISO 7637-2 Pulse 5a compliance. | Select 1.5KE10A when 1500W surge rating and through-hole mechanical robustness are required. |
| 1N6271A | JEDEC-registered equivalent part number; identical electrical specs, same DO-201 package, same AEC-Q101 qualification. | No functional difference - dual-marking used interchangeably by Taiwan Semiconductor. | 1N6271A is a direct form-fit-function replacement; no design change needed. |
Compared with SMBJ10A, the 1.5KE10A provides 2.5× higher surge power and proven automotive qualification, while 1N6271A offers identical performance with alternate JEDEC labeling - making 1.5KE10A optimal for high-energy transient environments where reliability and legacy compatibility are critical.
Availability
1.5KE10A is available at Aetrix Electronics and suitable for automotive ECU design, industrial PLC input protection, and LED driver overvoltage clamp applications requiring stable component supply and long-term lifecycle support.
Supply support for 1.5KE10A 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, serving automotive, industrial, and consumer markets since 1979.
The 1.5KE series was designed specifically for high-energy transient suppression in automotive power systems, emphasizing AEC-Q101 reliability, ISO 7637-2 compliance, and robust DO-201 packaging for under-hood durability.
FAQ
What is the clamping voltage of the 1.5KE10A at its rated peak pulse current?
The 1.5KE10A has a maximum clamping voltage (VC) of 14.5V at 10A peak pulse current (IPP) under the standard 10/1000μs waveform. This value is measured per JEDEC test conditions and ensures protected circuits remain below critical voltage thresholds during surge events. The 1.5KE10A maintains this clamping performance across its full operating temperature range.
Is the 1.5KE10A suitable for bidirectional transient protection?
No, the 1.5KE10A is a unidirectional TVS diode and is not rated for bidirectional operation. Its electrical specifications - including VBR, VWM, and ID - apply only in the reverse direction. For bidirectional protection, Taiwan Semiconductor specifies the 1.5KE10CA variant; using the 1.5KE10A in AC or bipolar applications may result in forward conduction failure or inadequate clamping.
Does the 1.5KE10A meet AEC-Q101 qualification?
Yes, the 1.5KE10A is explicitly AEC-Q101 qualified per the manufacturer's documentation. This qualification covers stress tests including high-temperature reverse bias (HTRB), temperature cycling, and ESD (HBM ≥8kV, CDM ≥1kV), confirming suitability for automotive powertrain and body electronics applications where reliability under harsh environmental conditions is mandatory.
What is the maximum working stand-off voltage (VWM) for the 1.5KE10A?
The maximum working stand-off voltage (VWM) for the 1.5KE10A is 8.55V. This is the highest DC or continuous reverse voltage the device can withstand without exceeding the specified leakage current (≤1μA). Designers must ensure that normal operating voltage on the protected line remains below 8.55V to prevent premature conduction or accelerated aging.
How does the 1.5KE10A compare to the 1.5KE10 in terms of breakdown voltage tolerance?
The 1.5KE10A has a tighter VBR tolerance (9.50–10.5V) versus the standard 1.5KE10 (9.00–11.00V), reflecting improved process control for more consistent clamping behavior. This ±5% tolerance allows more precise system-level surge margining and reduces design uncertainty when coordinating with downstream overvoltage protection thresholds in the 1.5KE10A application.
1.5KE10A 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):
- 8.55V
- Voltage - Breakdown (Min):
- 9.5V
- Voltage - Clamping (Max) @ Ipp:
- 14.5V
- Current - Peak Pulse (10/1000µs):
- 108A
- 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
1.5KE10A FAQ
1.How can I place an order for 1.5KE10A through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE10A 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 1.5KE10A reliable?
The price and inventory of 1.5KE10A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE10A is usually 5 days.
3.What payment methods are accepted for 1.5KE10A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE10A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE10A?
1.5KE10A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE10A 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 1.5KE10A?
For technical support, including 1.5KE10A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE10A requirements.
6.How does Aetrix verify that 1.5KE10A is sourced from the original manufacturer or authorized distributors?
All 1.5KE10A 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 1.5KE10A meets industry standards.
7.What is the process for return or replacement of 1.5KE10A?
All 1.5KE10A units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE10A, 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 1.5KE10A part is unused and in its original packaging.
Return procedure for 1.5KE10A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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