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Vishay General Semiconductor - Diodes Division 1.5KE8.2CHE3/54
- Part No.:
- 1.5KE8.2CHE3/54
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE8.2CHE3/54.pdf
- Description:
- TVS DIODE 6.63VWM 12.5VC 1.5KE
- Quantity:
- Payment:
- Shipping:
Inventory:2,486
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Product details
Overview
1.5KE8.2CHE3/54 from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for primary overvoltage protection in DC power rails and signal lines. It features a 7.79 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 to safeguard MOSFETs, ICs, and sensor interfaces against lightning-induced transients and inductive switching surges.
For engineers reviewing the 1.5KE8.2CHE3/54 datasheet, 1.5KE8.2CHE3/54 pinout, 1.5KE8.2CHE3/54 application, or 1.5KE8.2CHE3/54 equivalent, this page delivers verified electrical parameters, JEDEC 1.5KE package details, thermal derating behavior, AEC-Q101 qualification status (HE3 suffix), and direct alternatives for automotive-grade surge protection design.
Technical Context
This TVS diode employs a glass-passivated silicon junction optimized for fast transient response (<1 ns) and low incremental surge resistance. Its unidirectional polarity uses a cathode band marking and supports 200 A non-repetitive forward surge current (IFSM) per 8.3 ms half-sine wave.
Thermal performance is defined by RθJA = 75 °C/W and RθJL = 15.4 °C/W, enabling reliable operation up to TJ = 175 °C. The device complies with UL 497B recognition (QVGQ2) and meets JESD 201 Class 1A whisker testing (E3 suffix) and Class 2 (HE3 suffix).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 7.79 V / 8.61 V at 10 mA - ensures precise triggering above normal operating voltage while avoiding false clamping. |
| VWM | 7.02 V - maximum continuous reverse working voltage compatible with 5 V–6 V logic and supply rails. |
| VC @ IPPM | 12.1 V at 124 A - limits downstream voltage stress during 1500 W transient events. |
| PPPM | 1500 W (10/1000 µs) - sustains high-energy surges common in automotive load-dump and industrial motor switching. |
| IFSM | 200 A (8.3 ms half-sine) - withstands repetitive inrush and fault currents without degradation. |
| TJ range | −55 °C to +175 °C - supports under-hood automotive and industrial environments with wide thermal cycling. |
| Leakage @ VWM | 200 µA max - negligible standby power loss in battery-powered or low-quiescent systems. |
Pinout & Package
Package: JEDEC DO-201AD (Case Style 1.5KE), molded epoxy body with matte tin-plated leads; RoHS-compliant, AEC-Q101 qualified (HE3 suffix), UL 94 V-0 rated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line (e.g., GND or return path); conducts during positive transients when cathode is biased higher. |
| Cathode | Reverse-biased clamping terminal | Marked with color band; connected to protected line (e.g., +12 V rail); initiates avalanche breakdown when voltage exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable VBR tolerance (±5 %) and long-term reliability under humidity and thermal stress. |
| 1500 W peak pulse power | Handles IEC 61000-4-5 Level 4 surges (4 kV, 2 Ω source) without failure in single-event or low-duty-cycle applications. |
| AEC-Q101 qualification | Validated for automotive powertrain and body electronics per stress test requirements including HTGB, HTRB, and temperature cycling. |
| Low clamping ratio (VC/VBR ≈ 1.5) | Minimizes overvoltage overshoot during clamping, reducing risk of gate oxide rupture in protected MOSFETs. |
| Fast response time (<1 ns) | Clamps before sensitive components experience damaging voltage rise - critical for protecting high-speed digital interfaces. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load-dump transients (ISO 16750-2) and alternator ripple. IC Role / Device Role / Timing Role: Primary shunt clamp on main power input, placed upstream of LDOs and microcontrollers. Use Value: Limits voltage to ≤12.1 V during 1500 W surges, preventing latch-up or permanent damage to downstream 16 V-rated regulators. |
Use Scenario: Safeguarding analog outputs of pressure/temperature sensors exposed to ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance (≈100 pF) parallel clamp on 0–5 V output lines, adjacent to connector. Use Value: Clamps 8 kV contact ESD (IEC 61000-4-2) within <1 ns, preserving signal integrity and ADC accuracy without loading the output. |
| Telecom Line Surge Suppression | Consumer Power Adapter Input Protection |
Use Scenario: Secondary-side DC bus protection in PoE-powered switches subjected to induced lightning surges on remote Ethernet runs. IC Role / Device Role / Timing Role: Unidirectional TVS on 48 V DC distribution rail, coordinated with upstream gas discharge tube (GDT). Use Value: Provides fast, low-VC clamping after GDT fires, limiting let-through energy to <10 mJ for downstream DC/DC converters. |
Use Scenario: Input-stage overvoltage protection in wall adapters handling universal AC input (90–264 VAC) with rectified DC bus. IC Role / Device Role / Timing Role: Standoff-rated clamp across bulk capacitor, triggered only during abnormal overvoltage (e.g., MOV failure). Use Value: Absorbs >100 J surge energy without thermal runaway, maintaining safety isolation and preventing fire hazard per UL 62368-1. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0A | Lower PPPM (600 W), smaller SMB package (vs. DO-201AD), VBR = 8.89–9.82 V, VC = 13.6 V @ 44.1 A. | Better suited for space-constrained PCBs; insufficient for ISO 16750-2 load-dump where 1500 W is required. | Select SMBJ8.0A only if layout area is constrained and surge energy is limited to ≤600 W (e.g., USB-C PD port protection). |
| 1.5KE8.2AHE3_A | Same electrical specs and DO-201AD package; differs only in revision code ("A" vs "B") and tape/reel packaging (54 vs C carrier). | No functional or reliability difference; identical AEC-Q101 qualification and thermal performance. | Choose 1.5KE8.2AHE3_A for legacy BOM compatibility or alternate reel configuration; no design impact. |
Compared with 1.5KE8.2CHE3/54, SMBJ8.0A trades peak power and ruggedness for compactness, while 1.5KE8.2AHE3_A offers identical protection in an alternate packaging format - making the former a size-driven compromise and the latter a logistics-only variant.
Availability
1.5KE8.2CHE3/54 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor nodes, telecom power supplies, and consumer adapter designs requiring stable component supply with AEC-Q101 assurance and full traceability.
Supply support for 1.5KE8.2CHE3/54 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 high-reliability diodes, MOSFETs, and passive components for automotive, industrial, and computing markets.
The 1.5KE series was engineered specifically for high-energy transient suppression in harsh environments, emphasizing robustness, repeatable clamping, and qualification to automotive stress standards.
FAQ
What is the exact breakdown voltage range for 1.5KE8.2CHE3/54?
The 1.5KE8.2CHE3/54 has a guaranteed breakdown voltage (VBR) range of 7.79 V to 8.61 V at 10 mA test current, per Vishay's 88301 datasheet Rev. 09-Aug-2022. This ±5 % tolerance ensures consistent clamping onset across production lots and temperature extremes from −55 °C to +175 °C.
Is 1.5KE8.2CHE3/54 AEC-Q101 qualified?
Yes, 1.5KE8.2CHE3/54 is AEC-Q101 qualified. The "HE3" suffix denotes compliance with AEC-Q101 stress tests including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling - validated for use in automotive powertrain and body electronics.
What does the "/54" in 1.5KE8.2CHE3/54 indicate?
The "/54" denotes the preferred package code for 1.5KE8.2CHE3/54: 13-inch diameter paper tape and reel containing 1400 units. This matches Vishay's ordering convention in Document 88301 and ensures compatibility with standard SMT pick-and-place equipment.
How does 1.5KE8.2CHE3/54 compare to bidirectional variants like 1.5KE8.2CA?
1.5KE8.2CHE3/54 is unidirectional, with a cathode band and forward conduction capability; 1.5KE8.2CA is bidirectional and symmetrical. The unidirectional version provides lower leakage and better DC blocking but requires correct polarity placement - unlike the CA variant which protects both polarities without orientation concern.
What is the maximum clamping voltage of 1.5KE8.2CHE3/54 under surge conditions?
The maximum clamping voltage (VC) of 1.5KE8.2CHE3/54 is 12.1 V at 124 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured per JEDEC standards and defines the upper voltage limit imposed on protected circuitry during worst-case transient events.
1.5KE8.2CHE3/54 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):
- 6.63V
- Voltage - Breakdown (Min):
- 7.38V
- Voltage - Clamping (Max) @ Ipp:
- 12.5V
- Current - Peak Pulse (10/1000µs):
- 120A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 1.5KE
1.5KE8.2CHE3/54 FAQ
1.How can I place an order for 1.5KE8.2CHE3/54 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE8.2CHE3/54 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 1.5KE8.2CHE3/54 reliable?
The price and inventory of 1.5KE8.2CHE3/54 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE8.2CHE3/54 is usually 5 days.
3.What payment methods are accepted for 1.5KE8.2CHE3/54?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE8.2CHE3/54 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE8.2CHE3/54?
1.5KE8.2CHE3/54 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE8.2CHE3/54 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 1.5KE8.2CHE3/54?
For technical support, including 1.5KE8.2CHE3/54 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE8.2CHE3/54 requirements.
6.How does Aetrix verify that 1.5KE8.2CHE3/54 is sourced from the original manufacturer or authorized distributors?
All 1.5KE8.2CHE3/54 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 1.5KE8.2CHE3/54 meets industry standards.
7.What is the process for return or replacement of 1.5KE8.2CHE3/54?
All 1.5KE8.2CHE3/54 units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE8.2CHE3/54, 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 1.5KE8.2CHE3/54 part is unused and in its original packaging.
Return procedure for 1.5KE8.2CHE3/54:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE8.2CHE3/54 Tags
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