My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMCJ9.0CAHE3_A/I
- Part No.:
- SMCJ9.0CAHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ9.0CAHE3_A/I.pdf
- Description:
- TVS DIODE 9VWM 15.4VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,032
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMCJ9.0CAHE3_A/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-energy surge protection with 1500 W peak pulse power rating, 9.0 V stand-off voltage (VWM), and 15.4 V maximum clamping voltage (VC) at 97.4 A IPPM under 10/1000 μs waveform. It protects sensitive ICs, MOSFETs, and sensor signal lines in automotive, industrial, and telecom systems against inductive switching transients and lightning-induced surges.
For engineers reviewing the SMCJ9.0CAHE3_A/I datasheet, SMCJ9.0CAHE3_A/I pinout, SMCJ9.0CAHE3_A/I application, or SMCJ9.0CAHE3_A/I equivalent, key selection criteria include bidirectional clamping symmetry, AEC-Q101 qualification status, 1500 W PPPM capability, thermal resistance (RθJA = 75 °C/W), and compatibility with automated SMT assembly on standard PCB pad layouts.
Technical Context
The SMCJ9.0CAHE3_A/I operates as a bidirectional avalanche diode, providing symmetrical clamping in both polarities with identical VBR min/max (10.0–11.1 V) and VC (15.4 V) characteristics. Its glass-passivated junction ensures stable breakdown behavior and low incremental surge resistance.
Designed for transient suppression per IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (surge), it delivers fast response time (<1 ns) and meets MSL level 1 per J-STD-020 with 260 °C reflow peak temperature tolerance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - Maximum continuous reverse operating voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (min/max) | 10.0 V / 11.1 V - Breakdown voltage range at 1 mA test current; ensures reliable turn-on across process variation and temperature. |
| VC @ IPPM | 15.4 V - Clamped voltage at 97.4 A peak pulse current (10/1000 μs); determines maximum stress imposed on protected circuitry. |
| PPPM | 1500 W - Peak pulse power handling capacity; enables robust protection against high-energy transients like lightning surges. |
| TJ max. | +150 °C - Maximum junction temperature; supports operation in under-hood automotive and industrial environments. |
| RθJA | 75 °C/W - Junction-to-ambient thermal resistance on standard 8.0 mm × 8.0 mm copper pads; informs heatsinking requirements. |
| AEC-Q101 | Qualified - Certified for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC specification. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, bidirectional device with no polarity marking; terminals are matte tin-plated leads solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (Anode side) | Transient return path (bidirectional) | Both terminals function identically; no cathode/anode distinction-symmetrical clamping in either direction. |
| Anode (Cathode side) | Transient return path (bidirectional) | Same electrical role as opposite terminal; enables placement without orientation constraints on PCB. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Identical VBR and VC in both directions eliminates need for orientation-aware layout and simplifies design for AC-coupled or floating signal lines. |
| AEC-Q101 qualification | Validated for automotive applications including engine control units and ADAS sensors where long-term reliability under thermal stress is mandatory. |
| 1500 W peak pulse power | Supports IEC 61000-4-5 Level 4 (4 kV line-to-line, 2 kV line-to-ground) surge immunity without derating on standard PCB copper. |
| Low clamping ratio (VC/VWM = 1.71) | Minimizes overvoltage exposure to downstream components-critical for protecting 3.3 V or 5 V logic interfaces. |
| MSL Level 1 moisture sensitivity | Enables direct placement without baking or dry-pack handling, reducing manufacturing cost and cycle time in high-volume SMT lines. |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting LIN bus transceivers and power supply inputs in body control modules exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional TVS clamp absorbing up to 1500 W surge energy while limiting voltage to ≤15.4 V during transients. Use Value: Prevents latch-up or permanent damage to 5 V tolerant transceivers during 12 V system load dump events (up to 60 V, 400 ms). |
Use Scenario: Shielding analog output lines of pressure/temperature sensors in PLC I/O modules from EFT bursts and cable discharge events. IC Role / Device Role / Timing Role: Fast-response (sub-nanosecond) voltage clamp placed directly at connector entry point to shunt transients before reaching ADC front-end. Use Value: Maintains signal integrity by holding clamped voltage below 15.4 V, preventing ADC saturation and preserving measurement accuracy during 1 kV/5 kHz EFT. |
| Telecom DC Power Input Protection | Consumer USB Port ESD Protection |
|
Use Scenario: Safeguarding 48 V DC input stages of PoE-powered network switches against lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Primary-level TVS suppressor rated for 1500 W peak pulse power, coordinated with upstream fuses and secondary TVS devices. Use Value: Absorbs full IEC 61000-4-5 4 kV surge energy without failure, enabling compliance with EN 61000-6-4 emission and immunity standards. |
Use Scenario: Protecting USB 2.0 data lines and VBUS in smart home hubs against human-body-model (HBM) ESD events up to ±15 kV. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp (typ. <50 pF) placed adjacent to USB connector to divert ESD current away from PHY IC. Use Value: Limits clamping voltage to 15.4 V within <1 ns, preventing gate oxide rupture in USB transceivers while maintaining signal rise/fall times. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ9.0AHE3_A/I | Lower PPPM (400 W), smaller SMA package (DO-214AC), higher RθJA (110 °C/W), unidirectional only. | Suitable for lower-energy transients (IEC 61000-4-2 ESD only); not recommended for IEC 61000-4-5 surge or automotive load dump. | Select when board space is constrained and surge energy is limited to <400 W; requires polarity-aware placement. |
| SMCJ9.0CAHM3_A/I | Identical electrical specs and AEC-Q101 qualification, but halogen-free molding compound and HM3 suffix instead of HE3. | No functional difference; used where RoHS-compliant halogen-free materials are mandated by OEM environmental policy. | Drop-in replacement for SMCJ9.0CAHE3_A/I when halogen-free compliance is required; same thermal and clamping performance. |
Compared with SMAJ9.0AHE3_A/I, SMCJ9.0CAHE3_A/I provides 3.75× higher surge energy handling and bidirectional symmetry, making it suitable for harsher environments; versus SMCJ9.0CAHM3_A/I, it differs only in halogen content-both share identical clamping, thermal, and automotive qualification profiles.
Availability
SMCJ9.0CAHE3_A/I is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor nodes, telecom power supplies, and consumer USB interface designs requiring stable component supply with AEC-Q101 traceability and 1500 W surge resilience.
Supply support for SMCJ9.0CAHE3_A/I 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, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMCJ series targets high-energy transient suppression in automotive, industrial, and telecom infrastructure, delivering robust clamping performance in standardized surface-mount packages for automated manufacturing.
FAQ
What is the clamping voltage of the SMCJ9.0CAHE3_A/I at its rated peak pulse current?
The SMCJ9.0CAHE3_A/I has a maximum clamping voltage (VC) of 15.4 V at its rated peak pulse current (IPPM) of 97.4 A, measured using a 10/1000 μs waveform. This value is guaranteed across the full operating temperature range and defines the upper voltage limit imposed on protected circuits during surge events. The SMCJ9.0CAHE3_A/I maintains this clamping performance consistently due to its glass-passivated junction and low incremental surge resistance.
Is the SMCJ9.0CAHE3_A/I suitable for automotive applications?
Yes, the SMCJ9.0CAHE3_A/I is AEC-Q101 qualified and explicitly designated for automotive use with the "HE3" suffix indicating RoHS-compliant and AEC-Q101 qualified construction. It meets stringent requirements for temperature cycling, high-temperature reverse bias, and ESD robustness, making it appropriate for engine control units, body electronics, and ADAS sensor modules. The SMCJ9.0CAHE3_A/I operates reliably from −55 °C to +150 °C junction temperature.
How does the bidirectional configuration of the SMCJ9.0CAHE3_A/I affect PCB layout?
The SMCJ9.0CAHE3_A/I has no polarity marking and functions identically in both directions, eliminating orientation constraints during placement. This allows symmetric routing on differential or AC-coupled lines without concern for anode/cathode alignment. Unlike unidirectional TVS diodes, the SMCJ9.0CAHE3_A/I simplifies layout for applications such as RS-485, CAN, or audio signal paths where voltage polarity reversal may occur. Its DO-214AB footprint remains unchanged regardless of signal direction.
What is the thermal resistance of the SMCJ9.0CAHE3_A/I under standard mounting conditions?
The SMCJ9.0CAHE3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal, per the manufacturer's recommended pad layout. This value assumes still air convection and no additional heatsinking. For sustained power dissipation above 6.5 W, forced airflow or thermal vias are recommended. The SMCJ9.0CAHE3_A/I's RθJA directly impacts its ability to survive repetitive surge events without thermal runaway.
Does the SMCJ9.0CAHE3_A/I meet industry surge immunity standards?
Yes, the SMCJ9.0CAHE3_A/I is engineered to support compliance with IEC 61000-4-5 (surge), IEC 61000-4-4 (EFT), and IEC 61000-4-2 (ESD) standards. With 1500 W peak pulse power and 15.4 V clamping, it can handle Level 4 surge (4 kV line-to-line) when properly coordinated with system-level filtering and grounding. The SMCJ9.0CAHE3_A/I's fast response time (<1 ns) and low clamping ratio ensure effective protection without compromising signal integrity in timing-critical interfaces.
SMCJ9.0CAHE3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 15.4V
- Current - Peak Pulse (10/1000µs):
- 97.4A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
SMCJ9.0CAHE3_A/I FAQ
1.How can I place an order for SMCJ9.0CAHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ9.0CAHE3_A/I 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 SMCJ9.0CAHE3_A/I reliable?
The price and inventory of SMCJ9.0CAHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ9.0CAHE3_A/I is usually 5 days.
3.What payment methods are accepted for SMCJ9.0CAHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ9.0CAHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ9.0CAHE3_A/I?
SMCJ9.0CAHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ9.0CAHE3_A/I 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 SMCJ9.0CAHE3_A/I?
For technical support, including SMCJ9.0CAHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ9.0CAHE3_A/I requirements.
6.How does Aetrix verify that SMCJ9.0CAHE3_A/I is sourced from the original manufacturer or authorized distributors?
All SMCJ9.0CAHE3_A/I 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 SMCJ9.0CAHE3_A/I meets industry standards.
7.What is the process for return or replacement of SMCJ9.0CAHE3_A/I?
All SMCJ9.0CAHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ9.0CAHE3_A/I, 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 SMCJ9.0CAHE3_A/I part is unused and in its original packaging.
Return procedure for SMCJ9.0CAHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ9.0CAHE3_A/I 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 …
