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Vishay General Semiconductor - Diodes Division 1.5KE8.2CA-E3/54
- Part No.:
- 1.5KE8.2CA-E3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE8.2CA-E3/54.pdf
- Description:
- TVS DIODE 7.02VWM 12.1VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:3,334
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Product details
Overview
1.5KE8.2CA-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 6.8 V to 8.61 V breakdown voltage (VBR) at 10 mA, 7.02 V maximum stand-off voltage (VWM), 12.1 V clamping voltage (VC) at 124 A peak pulse current, and 1500 W peak pulse power rating with 10/1000 µs waveform - used in automotive sensor protection and industrial I/O interface surge suppression.
For engineers reviewing the 1.5KE8.2CA-E3/54 datasheet, 1.5KE8.2CA-E3/54 pinout, 1.5KE8.2CA-E3/54 application, or 1.5KE8.2CA-E3/54 equivalent, this device delivers verified bidirectional clamping performance, RoHS-compliant matte tin-plated leads, JEDEC-standard 1.5KE package, and UL 94 V-0 molded epoxy construction suitable for high-reliability transient suppression in space-constrained PCB layouts.
Technical Context
This TVS diode operates symmetrically in both directions due to its bidirectional CA suffix configuration, enabling protection of AC-coupled or differential signal paths without polarity concerns. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low incremental surge resistance, critical for consistent clamping under repetitive transients.
The device responds in <1 ns to ESD and lightning-induced surges, with thermal resistance of 15.4 °C/W (junction-to-lead) and 75 °C/W (junction-to-ambient), supporting reliable operation up to 175 °C junction temperature. It meets JESD 22-B106 solder dip requirements (275 °C, 10 s) and JESD 201 Class 1A whisker testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR min/max | 7.79 V / 8.61 V at 10 mA - defines precise voltage threshold where clamping initiates |
| VWM | 7.02 V - maximum continuous reverse voltage before leakage exceeds 200 μA |
| VC @ IPPM | 12.1 V at 124 A - clamped voltage seen by protected circuit during 10/1000 µs surge |
| PPPM | 1500 W - peak transient energy absorption capability per single 1 ms pulse |
| IPPM | 124 A - maximum non-repetitive surge current the device safely conducts |
| TJ max | 175 °C - enables use in under-hood automotive and industrial environments |
| Package | JEDEC 1.5KE - axial-leaded DO-201AD outline, 0.375" lead length, UL 94 V-0 compliant |
Pinout & Package
1.5KE8.2CA-E3/54 uses a two-terminal axial-leaded DO-201AD package (Case Style 1.5KE) with no polarity marking - consistent with bidirectional operation. Leads are matte tin-plated and solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional surge conduction path | No cathode band; either terminal serves as input/output for transient current in either direction |
| Lead 1 / Lead 2 | Thermal and electrical interface | Both leads conduct surge current and dissipate heat; RθJL = 15.4 °C/W supports PCB copper pour heatsinking |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures ±5% VBR tolerance and long-term stability under thermal cycling |
| 1500 W peak pulse power | Handles IEC 61000-4-5 Level 4 surges (4 kV, 2 Ω source) without failure |
| Sub-nanosecond response time | Clamps transients before downstream ICs experience overvoltage stress |
| UL 94 V-0 epoxy molding | Prevents flame propagation in safety-critical industrial and automotive enclosures |
| RoHS-compliant E3 suffix | Meets JESD 201 Class 1A whisker resistance for high-reliability solder joints |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role: Bidirectional clamping element placed across differential signal pair or supply rail. Use Value: Limits transient voltage to ≤12.1 V, preventing latch-up or gate oxide damage in 3.3 V/5 V interface ICs. | Use Scenario: Shielding digital input modules from inductive kickback when switching solenoids or relays in factory automation systems. IC Role / Device Role: Primary surge shunt connected between field-side input line and common reference. Use Value: Absorbs 1500 W surges while maintaining VWM = 7.02 V to avoid false triggering during normal 24 V DC operation. |
| Telecom Line Interface | Consumer Appliance Control Board |
Use Scenario: Safeguarding RS-485 transceivers on outdoor telecom node interfaces exposed to lightning-induced surges. IC Role / Device Role: First-line protection on twisted-pair data lines, paired with GDT or MOV for staged suppression. Use Value: Fast 12.1 V clamping prevents damage to transceiver ESD structures during 8/20 µs induced surges. | Use Scenario: Protecting microcontroller GPIOs and display driver ICs from ESD events during user interaction with appliance control panels. IC Role / Device Role: Localized TVS mounted adjacent to connectors and buttons. Use Value: Sub-ns response ensures clamping occurs before 15 kV HBM ESD pulse reaches sensitive CMOS inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0CA | Lower PPPM (600 W), smaller SMB package (3.5 mm × 4.6 mm), higher VC (12.7 V at 49.2 A) | Preferred for space-constrained PCBs; unsuitable for IEC 61000-4-5 Level 4 compliance | Select when board area is limited and surge energy is ≤600 W |
| 1.5KE8.2C | Same electrical specs but non-RoHS E3 suffix; lacks JESD 201 Class 1A whisker qualification | Acceptable for commercial-grade equipment where whisker resistance is not mandated | Choose only if RoHS and whisker compliance are not required by end-equipment standards |
Compared with 1.5KE8.2CA-E3/54, SMBJ8.0CA trades peak power and robustness for compactness, while 1.5KE8.2C retains identical clamping performance but omits RoHS and whisker certifications - making 1.5KE8.2CA-E3/54 the sole option meeting automotive and industrial reliability mandates.
Availability
1.5KE8.2CA-E3/54 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, telecom line protection, and consumer appliance control boards requiring stable component supply and full RoHS compliance.
Supply support for 1.5KE8.2CA-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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The 1.5KE series was engineered for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where robustness against lightning, ESD, and load dump events is mandatory.
FAQ
What is the breakdown voltage range of the 1.5KE8.2CA-E3/54?
The 1.5KE8.2CA-E3/54 has a guaranteed breakdown voltage (VBR) range of 7.79 V to 8.61 V at 10 mA test current, measured per JEDEC standard. This tight ±5% tolerance ensures predictable clamping onset across production lots and temperature ranges, directly supporting design margin calculations for protected circuits.
Is the 1.5KE8.2CA-E3/54 suitable for automotive applications?
Yes, the 1.5KE8.2CA-E3/54 is qualified to AEC-Q101 when ordered with HE3 suffix (e.g., 1.5KE8.2CAHE3_B); the E3 suffix version is commercial grade but shares identical electrical specs and construction. Its 175 °C max junction temperature, glass-passivated junction, and UL 94 V-0 package make it widely deployed in non-safety-critical automotive sensor and infotainment subsystems.
How does the clamping voltage of 1.5KE8.2CA-E3/54 compare to its stand-off voltage?
The 1.5KE8.2CA-E3/54 has a maximum stand-off voltage (VWM) of 7.02 V and a clamping voltage (VC) of 12.1 V at 124 A. This 5.08 V differential provides sufficient margin above VWM to prevent conduction during normal operation while ensuring rapid, low-voltage clamping during transients - critical for protecting 5 V and lower logic interfaces.
Does the 1.5KE8.2CA-E3/54 have polarity markings?
No, the 1.5KE8.2CA-E3/54 is a bidirectional TVS diode and carries no polarity marking such as a cathode band. Its symmetrical construction allows installation in either orientation across protected lines, simplifying layout and eliminating risk of reverse installation - a key advantage over unidirectional variants like 1.5KE8.2A-E3/54.
What is the peak pulse current rating of the 1.5KE8.2CA-E3/54?
The 1.5KE8.2CA-E3/54 is rated for 124 A peak pulse current (IPPM) under the standard 10/1000 µs double-exponential waveform. This value is derived from its 1500 W peak pulse power rating and 12.1 V clamping voltage (IPPM = PPPM/VC), and is validated per JEDEC test conditions in the Vishay datasheet 88301.
1.5KE8.2CA-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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 7.02V
- Voltage - Breakdown (Min):
- 7.79V
- Voltage - Clamping (Max) @ Ipp:
- 12.1V
- Current - Peak Pulse (10/1000µs):
- 124A
- 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
1.5KE8.2CA-E3/54 FAQ
1.How can I place an order for 1.5KE8.2CA-E3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE8.2CA-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 1.5KE8.2CA-E3/54 reliable?
The price and inventory of 1.5KE8.2CA-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 1.5KE8.2CA-E3/54 is usually 5 days.
3.What payment methods are accepted for 1.5KE8.2CA-E3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE8.2CA-E3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE8.2CA-E3/54?
1.5KE8.2CA-E3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE8.2CA-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 1.5KE8.2CA-E3/54?
For technical support, including 1.5KE8.2CA-E3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE8.2CA-E3/54 requirements.
6.How does Aetrix verify that 1.5KE8.2CA-E3/54 is sourced from the original manufacturer or authorized distributors?
All 1.5KE8.2CA-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 1.5KE8.2CA-E3/54 meets industry standards.
7.What is the process for return or replacement of 1.5KE8.2CA-E3/54?
All 1.5KE8.2CA-E3/54 units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE8.2CA-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 1.5KE8.2CA-E3/54 part is unused and in its original packaging.
Return procedure for 1.5KE8.2CA-E3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE8.2CA-E3/54 Tags
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