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Vishay General Semiconductor - Diodes Division 1.5KE15C-E3/54
- Part No.:
- 1.5KE15C-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE15C-E3/54.pdf
- Description:
- TVS DIODE 12.1VWM 22VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:7,453
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Product details
Overview
1.5KE15C-E3/54 from Vishay General Semiconductor is a bidirectional Transient Voltage Suppressor (TVS) diode designed for clamping voltage transients on signal and power lines. It features a 15 V breakdown voltage (VBR = 14.3–15.8 V at 1 mA), 1500 W peak pulse power (10/1000 µs), and clamps to ≤21.2 V at 70.8 A, protecting sensitive ICs and MOSFETs in automotive and industrial interfaces.
For engineers reviewing the 1.5KE15C-E3/54 datasheet, 1.5KE15C-E3/54 pinout, 1.5KE15C-E3/54 application, or 1.5KE15C-E3/54 equivalent, this part serves as a high-energy, fast-response (≤1 ns), glass-passivated TVS for ESD and lightning surge protection in unregulated DC rails, sensor I/O, and telecom line interfaces where bidirectional clamping and AEC-Q101-compliant variants are required.
Technical Context
This device operates as a voltage-clamped shunt protector with symmetrical avalanche breakdown in both polarities. Its bidirectional structure enables suppression of positive and negative transients without polarity sensitivity, and its low incremental surge resistance ensures stable clamping under repetitive 10/1000 µs surges up to 0.01% duty cycle.
The 1.5KE15C-E3/54 uses a passivated silicon junction in a molded epoxy DO-201AD package, rated for -55 °C to +175 °C operation. It exhibits a temperature coefficient of VBR of +0.084 %/°C and maintains <1 µA reverse leakage at 12.8 V (VWM), enabling reliable standby performance in low-power systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 14.3 V / 15.8 V at 1 mA - defines precise clamping onset threshold for bidirectional overvoltage events |
| VWM | 12.8 V - maximum continuous working voltage before leakage exceeds 1 µA; sets safe operating margin below VBR |
| VC @ IPPM | 21.2 V at 70.8 A - actual clamped voltage during 1500 W transient, limiting downstream stress |
| PPPM | 1500 W (10/1000 µs) - energy-handling capacity sufficient for IEC 61000-4-5 Level 4 surges |
| Response time | <1 ns - enables protection of high-speed logic and analog circuits before damage occurs |
| Junction temp. range | -55 °C to +175 °C - supports under-hood automotive and industrial ambient environments |
| Package | DO-201AD (Case Style 1.5KE) - industry-standard axial leaded package with 0.375" lead length, UL 94 V-0 compliant |
Pinout & Package
1.5KE15C-E3/54 is housed in a DO-201AD (Case Style 1.5KE) axial-leaded package with no polarity marking - consistent with bidirectional functionality. Leads are matte tin-plated and solderable per J-STD-002/JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional avalanche junction | No cathode band; terminals interchangeable - simplifies PCB layout and eliminates orientation errors |
| Lead 1 / Lead 2 | Current path into/out of junction | Capable of conducting 200 A non-repetitive forward surge (IFSM); handles bidirectional IPPM up to 70.8 A |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures long-term reliability and stable VBR under thermal cycling and humidity exposure |
| 1500 W peak pulse power | Meets IEC 61000-4-5 surge immunity requirements for industrial and automotive electronics |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes voltage overshoot across protected circuitry, reducing risk of latch-up or gate oxide rupture |
| AEC-Q101 qualified option available | Enables direct use in automotive powertrain and body electronics without additional qualification effort |
| RoHS-compliant (E3 suffix) | Meets JESD 201 Class 1A whisker resistance and EU RoHS Directive 2011/65/EU |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Shunt clamping element placed across input rail to divert surge current away from LDOs and microcontrollers. Use Value: Clamps 1500 W transients to ≤21.2 V within 1 ns, preventing reset or permanent damage to 3.3 V/5 V logic domains. |
Use Scenario: Safeguarding 4–20 mA current loop transmitters and analog sensor outputs in factory automation. IC Role / Device Role / Timing Role: Bidirectional voltage limiter on signal lines exposed to ESD and inductive switching noise. Use Value: Symmetrical clamping preserves signal integrity for both positive and negative transients without polarity constraints. |
| Telecom Line Interface | Consumer USB/Power Port Protection |
Use Scenario: Shielding RS-485/RS-232 transceivers connected to outdoor wiring subject to lightning-induced surges. IC Role / Device Role / Timing Role: Primary front-end TVS in multi-stage protection schemes, absorbing bulk surge energy before secondary MOVs or GDTs. Use Value: 1500 W rating and fast response enable compliance with Telcordia GR-1089-CORE Level 3 surge immunity. |
Use Scenario: Overvoltage hardening of 5 V USB power inputs in smart home hubs and portable chargers. IC Role / Device Role / Timing Role: Standalone bidirectional clamp on VBUS line to suppress ESD (IEC 61000-4-2 ±15 kV) and accidental 12 V adapter misconnection. Use Value: 12.8 V VWM allows normal 5 V operation while clamping 12 V faults to 21.2 V - below typical 24 V system rail limits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ15CA | Lower PPPM (600 W), smaller SMB package (surface-mount), higher VC/VBR ratio (1.53) | Preferred for space-constrained PCBs; unsuitable for IEC 61000-4-5 Level 4 due to lower energy rating | Select when board area is critical and surge energy is limited to ≤600 W (e.g., consumer USB ports). |
| 1.5KE15CA | Same electrical specs and DO-201AD package; differs only in packaging format (tape-and-reel vs. bulk/ammopack) | No functional difference; identical performance and mounting | Choose based on procurement preference - 1.5KE15C-E3/54 is tape-and-reel optimized for automated assembly (1400 pcs/reel). |
Compared with SMBJ15CA, the 1.5KE15C-E3/54 delivers 2.5× higher surge energy handling and axial-leaded robustness for manual repair or high-vibration environments; versus 1.5KE15CA, it offers identical protection with optimized logistics for SMT production.
Availability
1.5KE15C-E3/54 is available at Aetrix Electronics and suitable for automotive ECU design, industrial sensor interface development, and telecom infrastructure projects requiring stable component supply and full traceability.
Supply support for 1.5KE15C-E3/54 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, and protection devices with emphasis on reliability, ruggedness, and automotive-grade qualification.
The 1.5KE series was engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where failure tolerance and long-term stability are mandatory.
FAQ
What is the breakdown voltage tolerance of the 1.5KE15C-E3/54?
The 1.5KE15C-E3/54 has a specified breakdown voltage range of 14.3 V to 15.8 V at 1 mA test current, representing a ±5% tolerance around the nominal 15 V rating. This tight VBR window ensures predictable clamping behavior across production lots and temperature extremes, critical for consistent protection in safety-critical systems.
Is the 1.5KE15C-E3/54 RoHS and REACH compliant?
Yes, the 1.5KE15C-E3/54 carries the E3 suffix, confirming full RoHS compliance per Directive 2011/65/EU and adherence to REACH SVHC requirements. It also meets JESD 201 Class 1A whisker resistance and UL 94 V-0 flammability standards, making it suitable for commercial and industrial deployments with environmental compliance mandates.
Can the 1.5KE15C-E3/54 be used in automotive applications?
The 1.5KE15C-E3/54 itself is commercial-grade; however, the functionally identical 1.5KE15CAHE3_B variant is AEC-Q101 qualified. For automotive use, engineers should specify the HE3_B suffix version - the 1.5KE15C-E3/54 shares identical electrical characteristics and package but lacks formal automotive qualification documentation.
What is the maximum clamping voltage of the 1.5KE15C-E3/54 under surge conditions?
The 1.5KE15C-E3/54 clamps to a maximum of 21.2 V when subjected to its rated peak pulse current of 70.8 A (10/1000 µs waveform). This VC value is guaranteed across temperature and lifetime, providing a known upper bound for protected circuit voltage stress during transient events.
Does the 1.5KE15C-E3/54 require a heatsink for continuous operation?
No - the 1.5KE15C-E3/54 is rated for 6.5 W power dissipation on an infinite heatsink at 75 °C lead temperature, but its primary function is transient suppression, not steady-state power handling. Under normal operation, it draws negligible current (<1 µA at 12.8 V), so no heatsink is needed; thermal design focuses on surge energy dissipation, not continuous bias.
1.5KE15C-E3/54 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-201AA, DO-27, Axial
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 12.1V
- Voltage - Breakdown (Min):
- 13.5V
- Voltage - Clamping (Max) @ Ipp:
- 22V
- Current - Peak Pulse (10/1000µs):
- 68.2A
- 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:
- 1.5KE
1.5KE15C-E3/54 FAQ
1.How can I place an order for 1.5KE15C-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE15C-E3/54 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 1.5KE15C-E3/54 reliable?
The price and inventory of 1.5KE15C-E3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE15C-E3/54 is usually 5 days.
3.What payment methods are accepted for 1.5KE15C-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE15C-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE15C-E3/54?
1.5KE15C-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE15C-E3/54 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 1.5KE15C-E3/54?
For technical support, including 1.5KE15C-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE15C-E3/54 requirements.
6.How does Aetrix verify that 1.5KE15C-E3/54 is sourced from the original manufacturer or authorized distributors?
All 1.5KE15C-E3/54 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 1.5KE15C-E3/54 meets industry standards.
7.What is the process for return or replacement of 1.5KE15C-E3/54?
All 1.5KE15C-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE15C-E3/54, 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 1.5KE15C-E3/54 part is unused and in its original packaging.
Return procedure for 1.5KE15C-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE15C-E3/54 Tags
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