My Inquiry
My Account
Vishay General Semiconductor - Diodes Division 1.5SMC82CAHE3/9AT
- Part No.:
- 1.5SMC82CAHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC82CAHE3/9AT.pdf
- Description:
- TVS DIODE 70.1VWM 113VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:4,544
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
1.5SMC82CAHE3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 82 V breakdown voltage (VBR = 77.9–86.1 V), 1500 W peak pulse power (10/1000 µs), 113 V maximum clamping voltage at 13.3 A, and SMC (DO-214AB) surface-mount package - deployed in automotive sensor interfaces, industrial I/O modules, and telecom line protection.
For engineers reviewing the 1.5SMC82CAHE3/9AT datasheet, 1.5SMC82CAHE3/9AT pinout, 1.5SMC82CAHE3/9AT application, or 1.5SMC82CAHE3/9AT equivalent, key selection criteria include bidirectional clamping performance, AEC-Q101 qualification, 13.3 A peak pulse current rating, low incremental surge resistance, and compatibility with automated SMT assembly on 8 mm × 8 mm copper pads.
Technical Context
This bidirectional TVS operates symmetrically in both polarities, delivering consistent clamping behavior during positive and negative transients. Its glass-passivated junction ensures stable leakage (<1.0 µA at 70.1 V) and fast response time (<1.0 ns), critical for protecting sensitive downstream ICs from ESD and lightning-induced surges.
The device is rated for 150 °C maximum junction temperature and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak. Its thermal resistance (RθJA = 75 °C/W) and low RθJL (15 °C/W) support reliable power dissipation under repetitive surge conditions when mounted per recommended pad layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 77.9 V / 86.1 V - Ensures precise, repeatable breakdown onset across production lots for predictable clamping threshold. |
| VWM | 70.1 V - Maximum continuous reverse operating voltage; defines safe DC/AC working margin before conduction begins. |
| VC @ IPPM | 113 V at 13.3 A - Clamping voltage under 1500 W 10/1000 µs surge; determines maximum stress imposed on protected circuitry. |
| PPPM | 1500 W - Peak pulse power handling capability; enables suppression of high-energy transients like ISO 7637-2 Pulse 5a. |
| IPPM | 13.3 A - Peak pulse current capacity; sets minimum surge current survivability for automotive and industrial environments. |
| TJ max. | 150 °C - Maximum junction temperature; supports operation in under-hood automotive and high-ambient industrial enclosures. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standard. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, bidirectional configuration with no polarity marking - symmetrical anode/cathode terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode / Cathode (bidirectional) | Either terminal serves as anode or cathode depending on transient polarity; no marking required. |
| Terminal 2 | Anode / Cathode (bidirectional) | Electrically identical to Terminal 1; forms symmetrical clamping path for ± transients. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns. |
| 1500 W peak pulse power | Withstands severe load-dump and lightning-surge events per ISO 16750-2 and IEC 61000-4-5 Level 4. |
| AEC-Q101 qualification | Validated for automotive applications including engine control units, ADAS sensors, and body electronics. |
| Glass-passivated junction | Provides stable leakage current (<1 µA), low capacitance (~100 pF at 0 V), and long-term reliability under thermal cycling. |
| MSL Level 1 | Allows direct placement into standard lead-free reflow profiles without baking or special handling. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ESD in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed directly at connector interface to shunt surge energy before reaching signal conditioning ICs. Use Value: Maintains signal integrity by limiting transient overshoot to ≤113 V while surviving ≥1000 surges per AEC-Q101 stress profile. |
Use Scenario: Safeguarding 24 V digital input modules in programmable logic controllers against field-wiring faults and inductive kickback. IC Role / Device Role / Timing Role: Primary overvoltage clamp on channel-level inputs, coordinated with upstream fusing and filtering. Use Value: Enables >1500 W surge handling without derating at 85 °C ambient, supporting Class I/II industrial immunity requirements. |
| Telecom Line Interface | Power Supply Input Stage |
Use Scenario: Shielding Ethernet PHYs and RS-485 transceivers from induced surges on outdoor or long-run data cables. IC Role / Device Role / Timing Role: First-line transient suppressor on differential pair inputs, placed before common-mode chokes and TVS arrays. Use Value: Symmetric clamping ensures balanced suppression on both lines, preserving signal skew and common-mode rejection. |
Use Scenario: Secondary overvoltage protection on DC input rails (e.g., 48 V telecom supplies) following primary MOV or fuse coordination. IC Role / Device Role / Timing Role: Fast-acting clamp limiting input rail excursions during hot-swap or backfeed events. Use Value: Low clamping ratio (VC/VBR ≈ 1.45) minimizes stress on downstream DC-DC converters and PMICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ85CA | Lower peak power (600 W), smaller SMB package (DO-214AA), VC = 137 V @ 4.4 A | Targeted at space-constrained consumer or low-energy industrial designs; not AEC-Q101 qualified | Select when board area is critical and surge energy is limited to <600 W (e.g., USB or low-speed data lines). |
| 1.5KE82CA | Through-hole TO-218 package, same VBR/VC, higher thermal mass but incompatible with SMT automation | Used in legacy industrial power supplies where manual assembly or high-reliability mechanical mounting is preferred | Choose only if SMT compatibility is not required and board real estate allows larger through-hole footprint. |
Compared with SMBJ85CA and 1.5KE82CA, the 1.5SMC82CAHE3/9AT delivers superior surge robustness (1500 W vs. 600 W or 1500 W with manual assembly), AEC-Q101 compliance for automotive use, and optimized SMT manufacturability - making it the preferred choice for high-volume, automotive-grade, and thermally demanding applications.
Availability
1.5SMC82CAHE3/9AT is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC I/O cards, and telecom line interface circuits requiring stable component supply, AEC-Q101 validation, and 13" tape-and-reel delivery for high-throughput SMT lines.
Supply support for 1.5SMC82CAHE3/9AT 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, efficiency, and application-specific optimization.
The 1.5SMC Series targets high-energy transient suppression in automotive, industrial, and telecom systems - engineered for AEC-Q101 compliance, low clamping ratio, and seamless integration into automated SMT processes.
FAQ
What is the clamping voltage of the 1.5SMC82CAHE3/9AT under a 10/1000 µs surge?
The 1.5SMC82CAHE3/9AT clamps to a maximum of 113 V at its rated peak pulse current of 13.3 A, measured with a 10/1000 µs waveform. This value is guaranteed across the full operating temperature range and defines the upper voltage limit imposed on protected circuitry during surge events. The 1.5SMC82CAHE3/9AT achieves this with low incremental surge resistance, ensuring minimal voltage overshoot beyond the specified VC.
Is the 1.5SMC82CAHE3/9AT suitable for automotive applications?
Yes, the 1.5SMC82CAHE3/9AT is AEC-Q101 qualified and explicitly designated for automotive use with the "HE3" suffix. It has passed stress tests including temperature cycling, highly accelerated life testing (HALT), and ESD per AEC-Q101 Rev D. The 1.5SMC82CAHE3/9AT is commonly deployed in engine control units, ADAS camera modules, and body control modules where robust transient immunity is mandated.
What does the "CA" suffix indicate in 1.5SMC82CAHE3/9AT?
The "CA" suffix denotes a bidirectional configuration - meaning the 1.5SMC82CAHE3/9AT provides symmetrical transient suppression for both positive and negative voltage excursions. Unlike unidirectional variants (e.g., "A"), the 1.5SMC82CAHE3/9AT has no polarity marking and functions identically regardless of applied voltage polarity, making it ideal for AC-coupled or floating signal paths.
What is the maximum operating temperature for the 1.5SMC82CAHE3/9AT?
The 1.5SMC82CAHE3/9AT has a maximum junction temperature (TJ) of +150 °C and an operating storage temperature range of −65 °C to +150 °C. Its thermal resistance (RθJA = 75 °C/W) is specified with 8.0 mm × 8.0 mm copper pads per terminal, enabling reliable operation in under-hood automotive environments and industrial enclosures up to 85 °C ambient.
How does the 1.5SMC82CAHE3/9AT differ from the unidirectional 1.5SMC82AHE3/9AT?
The 1.5SMC82CAHE3/9AT is bidirectional with symmetrical clamping in both polarities and no polarity marking, whereas the 1.5SMC82AHE3/9AT is unidirectional with a cathode band and conducts only in reverse bias. Their VBR, VWM, and VC values are nearly identical, but the 1.5SMC82CAHE3/9AT supports AC or floating node protection, while the 1.5SMC82AHE3/9AT is used in DC-biased rail protection where polarity is fixed.
1.5SMC82CAHE3/9AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- 1.5SMC, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 70.1V
- Voltage - Breakdown (Min):
- 77.9V
- Voltage - Clamping (Max) @ Ipp:
- 113V
- Current - Peak Pulse (10/1000µs):
- 13.3A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
1.5SMC82CAHE3/9AT FAQ
1.How can I place an order for 1.5SMC82CAHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC82CAHE3/9AT 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 1.5SMC82CAHE3/9AT reliable?
The price and inventory of 1.5SMC82CAHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC82CAHE3/9AT is usually 5 days.
3.What payment methods are accepted for 1.5SMC82CAHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC82CAHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC82CAHE3/9AT?
1.5SMC82CAHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC82CAHE3/9AT 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 1.5SMC82CAHE3/9AT?
For technical support, including 1.5SMC82CAHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC82CAHE3/9AT requirements.
6.How does Aetrix verify that 1.5SMC82CAHE3/9AT is sourced from the original manufacturer or authorized distributors?
All 1.5SMC82CAHE3/9AT 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 1.5SMC82CAHE3/9AT meets industry standards.
7.What is the process for return or replacement of 1.5SMC82CAHE3/9AT?
All 1.5SMC82CAHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC82CAHE3/9AT, 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 1.5SMC82CAHE3/9AT part is unused and in its original packaging.
Return procedure for 1.5SMC82CAHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC82CAHE3/9AT 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 …
