My Inquiry
My Account
Vishay General Semiconductor - Diodes Division 1.5KE82AHE3_B/C
- Part No.:
- 1.5KE82AHE3_B/C
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
1.5KE82AHE3_B/C.pdf
- Description:
- 1.5KW,82V 5%,UNIDIR,AXIAL TVS
- Quantity:
- Payment:
- Shipping:
Inventory:3,836
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
1.5KE82AHE3_B/C from Vishay General Semiconductor is a unidirectional Transient Voltage Suppressor (TVS) diode designed for primary overvoltage protection in power rails and signal lines. It features a 77.9 V to 86.1 V breakdown voltage (VBR), 70.1 V maximum standoff voltage (VWM), 113 V clamping voltage at peak pulse current, 1500 W peak pulse power rating (10/1000 µs), and operates across –55 °C to +175 °C junction temperature range - used in automotive power supply input stages and industrial sensor interface protection.
For engineers reviewing the 1.5KE82AHE3_B/C datasheet, 1.5KE82AHE3_B/C pinout, 1.5KE82AHE3_B/C application, or 1.5KE82AHE3_B/C equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance data, JEDEC 1.5KE package dimensions, and direct alternative part comparisons for robust ESD and surge design validation.
Technical Context
This unidirectional TVS diode employs a glass passivated silicon junction optimized for fast transient response (<1 ns) and low incremental surge resistance. Its clamping behavior is characterized under standardized 10/1000 µs waveform conditions with 0.01% duty cycle, and it maintains stable performance up to 175 °C junction temperature.
The device complies with JESD22-B102 solderability standards and meets JESD201 Class 2 whisker testing (HE3 suffix). It is rated for 200 A non-repetitive forward surge current (8.3 ms half-sine) and exhibits a typical thermal resistance of 15.4 °C/W (junction-to-lead) - enabling reliable operation without heatsinking in moderate-duty applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 77.9 V / 86.1 V at 1 mA test current - defines precise voltage threshold where clamping initiates under transient stress |
| VWM | 70.1 V maximum - ensures no conduction during normal 70 V DC operating conditions, preventing leakage-related power loss |
| VC @ IPPM | 113 V - clamping voltage seen across terminals during full 1500 W transient, limiting downstream component stress |
| PPPM | 1500 W (10/1000 µs waveform) - supports high-energy surge suppression in automotive load-dump and inductive switching events |
| IFSM | 200 A (8.3 ms half-sine) - withstands repetitive motor driver or relay coil turn-off surges without degradation |
| TJ max. | +175 °C - enables deployment in under-hood automotive environments and high-temperature industrial enclosures |
| RθJL | 15.4 °C/W - allows accurate junction temperature estimation from lead temperature measurements during thermal design |
Pinout & Package
Package: JEDEC-standard Case Style 1.5KE - molded epoxy body with matte tin-plated leads; RoHS-compliant and AEC-Q101 qualified (HE3 suffix); 0.375" (9.5 mm) lead length; UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to protected circuit ground or low-side reference | Must be tied to system ground or return path to enable proper clamping of positive transients on cathode side |
| Cathode | Current exit point in forward bias; marked by color band; connects to line under protection | Connected to power rail or signal line requiring transient suppression - reverse-biased during normal operation |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated chip junction | Enables stable long-term reliability and consistent VBR tolerance across temperature and lifetime |
| 1500 W peak pulse power (10/1000 µs) | Supports IEC 61000-4-5 Level 4 surge immunity (4 kV line-earth) in single-device configurations |
| AEC-Q101 qualified (HE3_B/C variant) | Validated for automotive powertrain and body electronics per stress test requirements including HTGB, HTRB, and TCT |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ISO 7637-2 pulse 1/2a/5a), improving clamping precision |
| Fast response time (<1 ns) | Clamps before sensitive ICs (e.g., CAN transceivers, microcontrollers) experience damaging overvoltage |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: 12 V battery-fed ECUs exposed to load dump (ISO 16750-2) and alternator ripple. IC Role / Device Role / Timing Role: Primary overvoltage clamp placed between battery feed and DC-DC converter input. Use Value: Limits transient voltage to ≤113 V, protecting downstream regulators and MCU power supplies from permanent damage. |
Use Scenario: 4–20 mA current loop sensors in factory automation subject to EFT/burst noise (IEC 61000-4-4). IC Role / Device Role / Timing Role: Unidirectional shunt protector on analog input side of signal conditioner IC. Use Value: Clamps induced spikes within nanoseconds while maintaining <1 µA leakage at 24 V nominal, preserving measurement accuracy. |
| Telecom Power Feeds | Consumer Power Adapter Outputs |
Use Scenario: -48 V DC telecom rectifier outputs vulnerable to lightning-induced surges on distribution lines. IC Role / Device Role / Timing Role: Secondary surge suppressor after MOV-based primary stage, handling residual fast transients. Use Value: Provides precise 113 V clamping with minimal capacitance, avoiding signal integrity issues on high-speed management buses. |
Use Scenario: USB-C PD adapter 20 V output rails subjected to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Final-stage TVS on output connector to protect host device ports. Use Value: Delivers 1500 W surge handling without derating at +85 °C ambient, meeting UL 62368-1 transient requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ80A | Lower peak pulse power (600 W), smaller SMB package (vs. DO-201AB), 80 V VBR min (76 V), 125 V VC | Used where board space is constrained and surge energy is limited to IEC 61000-4-5 Level 2 (2 kV) | Select when footprint reduction outweighs need for 1500 W capability; verify thermal margin with RθJA = 110 °C/W |
| 1.5KE82CA | Bidirectional variant (no polarity marking), same VBR/VC, identical 1500 W rating and AEC-Q101 qualification | Required for AC-coupled or dual-polarity signal lines (e.g., RS-485, CAN FD bus) where symmetric clamping is mandatory | Choose only if bidirectional protection is needed; not a drop-in replacement due to polarity and marking differences |
Compared with 1.5KE82AHE3_B/C, SMBJ80A trades surge capacity and thermal robustness for compact size, while 1.5KE82CA provides symmetrical clamping but requires layout revision to accommodate non-polarized mounting - neither is pin-compatible, and both demand revalidation of clamping margin and PCB trace inductance effects.
Availability
1.5KE82AHE3_B/C is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom power distribution systems requiring stable component supply with AEC-Q101 qualification and long-lifecycle support.
Supply support for 1.5KE82AHE3_B/C 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 designs and manufactures discrete semiconductors including diodes, MOSFETs, and optoelectronics, with emphasis on reliability, power efficiency, and automotive-grade qualification.
The 1.5KE series was developed specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where failure modes must be mitigated without compromising long-term stability.
FAQ
What is the breakdown voltage tolerance for 1.5KE82AHE3_B/C?
The 1.5KE82AHE3_B/C has a specified breakdown voltage range of 77.9 V to 86.1 V at 1 mA test current, corresponding to ±5% tolerance about the nominal 82 V rating. This tight VBR window ensures predictable clamping onset across production lots and temperature extremes, critical for compliance with ISO 16750-2 load-dump thresholds. The 1.5KE82AHE3_B/C datasheet confirms this range under "ELECTRICAL CHARACTERISTICS" Table 1.
Is 1.5KE82AHE3_B/C AEC-Q101 qualified?
Yes, the 1.5KE82AHE3_B/C is explicitly AEC-Q101 qualified per Vishay Document Number 88301, Revision 09-Aug-2022, footnote (2) on page 3. Qualification covers stress tests including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling (TCT). The HE3_B/C suffix denotes this automotive-grade qualification, distinguishing it from commercial-only variants like 1.5KE82AE3.
What is the clamping voltage of 1.5KE82AHE3_B/C at its rated peak pulse current?
The 1.5KE82AHE3_B/C clamps to a maximum of 113 V when subjected to its full 1500 W peak pulse current (10/1000 µs waveform). This value is measured at the peak pulse current (IPPM) derived from PPPM = VC × IPPM, and is listed in the "ELECTRICAL CHARACTERISTICS" table for 1.5KE82A. It defines the upper voltage limit imposed on protected circuits during worst-case surge events.
Can 1.5KE82AHE3_B/C replace 1.5KE82A in an existing design?
Yes, the 1.5KE82AHE3_B/C is a direct functional and mechanical replacement for 1.5KE82A, sharing identical electrical specs, DO-201AB package outline, and pinout. The HE3_B/C suffix adds AEC-Q101 qualification and enhanced whisker resistance (JESD201 Class 2), making it suitable for automotive upgrades without layout changes - provided the design requires automotive-grade reliability validation.
What is the maximum operating temperature for 1.5KE82AHE3_B/C?
The 1.5KE82AHE3_B/C has a maximum junction temperature (TJ) rating of +175 °C, with storage temperature matching that range (–55 °C to +175 °C). This enables use in under-hood automotive locations and high-ambient industrial settings. Derating curves in Figure 2 of the Vishay datasheet show power capability decreases linearly above 25 °C ambient, reaching ~4.5 W at TL = 100 °C.
1.5KE82AHE3_B/C 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 70.1V
- Voltage - Breakdown (Min):
- 77.9V
- Voltage - Clamping (Max) @ Ipp:
- 113V
- Current - Peak Pulse (10/1000µs):
- 13.9A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 1.5KE
1.5KE82AHE3_B/C FAQ
1.How can I place an order for 1.5KE82AHE3_B/C through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5KE82AHE3_B/C 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 1.5KE82AHE3_B/C reliable?
The price and inventory of 1.5KE82AHE3_B/C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5KE82AHE3_B/C is usually 5 days.
3.What payment methods are accepted for 1.5KE82AHE3_B/C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5KE82AHE3_B/C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5KE82AHE3_B/C?
1.5KE82AHE3_B/C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5KE82AHE3_B/C 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 1.5KE82AHE3_B/C?
For technical support, including 1.5KE82AHE3_B/C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5KE82AHE3_B/C requirements.
6.How does Aetrix verify that 1.5KE82AHE3_B/C is sourced from the original manufacturer or authorized distributors?
All 1.5KE82AHE3_B/C 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 1.5KE82AHE3_B/C meets industry standards.
7.What is the process for return or replacement of 1.5KE82AHE3_B/C?
All 1.5KE82AHE3_B/C units undergo pre-shipment inspection (PSI). If there is an issue with 1.5KE82AHE3_B/C, 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 1.5KE82AHE3_B/C part is unused and in its original packaging.
Return procedure for 1.5KE82AHE3_B/C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5KE82AHE3_B/C Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
