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Vishay General Semiconductor - Diodes Division SMCJ9.0AHM3_A/I
- Part No.:
- SMCJ9.0AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ9.0AHM3_A/I.pdf
- Description:
- TVS DIODE 9VWM 15.4VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:8,443
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Product details
Overview
SMCJ9.0AHM3_A/I from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping voltage transients up to 15.4 V at 97.4 A (10/1000 µs), with 1500 W peak pulse power rating and 9.0 V stand-off voltage. It protects MOSFETs, ICs, and sensor signal lines in automotive power systems, industrial motor controls, and telecom interface circuits.
For engineers reviewing the SMCJ9.0AHM3_A/I datasheet, SMCJ9.0AHM3_A/I pinout, SMCJ9.0AHM3_A/I application, or SMCJ9.0AHM3_A/I equivalent, key selection criteria include verified clamping voltage (VC = 15.4 V), unidirectional polarity with cathode band marking, AEC-Q101 qualification status, and halogen-free RoHS compliance per HM3 suffix.
Technical Context
This device operates as a silicon avalanche diode optimized for fast transient suppression using a glass-passivated junction. Its 10/1000 µs surge response time is sub-nanosecond, and it maintains stable clamping performance across -55 °C to +150 °C junction temperature range.
The SMCJ9.0AHM3_A/I features low incremental surge resistance and meets MSL level 1 per J-STD-020 with 260 °C reflow peak. Its thermal resistance (RθJA = 75 °C/W) supports operation on standard 8.0 mm × 8.0 mm copper pads without forced cooling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VWM) | 9.0 V - Maximum continuous reverse operating voltage before clamping begins |
| Breakdown Voltage (VBR) | 10.0–11.1 V at 1.0 mA - Confirmed avalanche initiation threshold under DC test conditions |
| Clamping Voltage (VC) | 15.4 V at 97.4 A (10/1000 µs) - Peak voltage seen by protected circuit during rated surge event |
| Peak Pulse Power (PPPM) | 1500 W - Sustained transient energy absorption capability under standardized waveform |
| Operating Temperature | -55 °C to +150 °C - Validated junction temperature range for automotive and industrial deployment |
| Leakage Current (ID) | 10 µA max at VWM - Minimal standby power loss and signal integrity impact in high-impedance circuits |
| Package | SMC (DO-214AB) - Surface-mount outline with 7.75 mm × 6.22 mm footprint and 2.62 mm height |
Pinout & Package
SMCJ9.0AHM3_A/I uses the SMC (DO-214AB) package: molded plastic case with matte tin-plated leads, compliant with J-STD-002 solderability and JESD 22-B102 whisker testing. Polarity is indicated by a cathode band on the body end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to system ground or low-side reference in unidirectional TVS configuration |
| Cathode | Current exit terminal in forward bias; marked with band | Connected to protected line (e.g., 12 V rail, CAN_H, sensor output) to clamp positive transients |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and body electronics per stress test requirements |
| Halogen-free & RoHS-compliant | HM3 suffix confirms compliance with IEC 61249-2-21 and JEDEC JS709E material standards |
| Low incremental surge resistance | Enables tighter clamping margin and reduced overshoot during fast ESD/EFT events |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking preconditioning |
| Glass passivated junction | Ensures long-term stability of breakdown voltage and leakage current over temperature and time |
Applications
| Automotive Power Distribution | Industrial Motor Drive Inputs |
|---|---|
Use Scenario: Protection of 12 V battery-fed ECUs against load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp positive surges above 9.0 V. Use Value: Limits transient voltage to ≤15.4 V during 97.4 A 10/1000 µs events, preventing damage to downstream PMICs and microcontrollers. |
Use Scenario: Input protection for H-bridge gate drivers exposed to inductive kickback from brushed DC motors. IC Role / Device Role / Timing Role: Standoff-rated TVS on driver supply input to absorb reverse-energy spikes during MOSFET turn-off. Use Value: Clamps 1500 W surges without degradation, maintaining <10 µA leakage at 9.0 V to avoid quiescent current drift. |
| Telecom Interface Ports | Sensor Signal Conditioning |
Use Scenario: Surge protection on RS-485 transceiver bus lines in outdoor base stations. IC Role / Device Role / Timing Role: Unidirectional TVS on VCC line feeding isolated transceivers to suppress coupled AC-line transients. Use Value: Withstands repeated 10/1000 µs surges while maintaining 15.4 V clamping-within RS-485 common-mode tolerance limits. |
Use Scenario: Protection of analog outputs from pressure/temperature sensors in engine control modules. IC Role / Device Role / Timing Role: Low-leakage TVS on sensor output trace to prevent ESD-induced offset shift or latch-up. Use Value: 10 µA max reverse leakage at 9.0 V preserves µA-level sensor output accuracy; 1500 W rating handles ISO 10605 30 kV contact discharge. |
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 | Lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 110 °C/W) | Suitable only for lower-energy transients; not recommended for automotive load dump | Select when space-constrained PCBs require smaller size and surge energy is limited to ≤400 W |
| SMCJ9.0AHE3_A/I | Same electrical specs but commercial-grade (E3), non-AEC-Q101, non-halogen-free | Lacks automotive qualification and halogen-free certification required for Tier 1 OEM programs | Use only in non-automotive industrial or consumer applications where AEC-Q101 and HM3 compliance are not mandated |
Compared with SMCJ9.0AHM3_A/I, SMAJ9.0AHE3/A trades surge robustness for board area, while SMCJ9.0AHE3_A/I retains identical clamping and power ratings but omits automotive qualification and halogen-free materials-making the HM3 variant the sole choice for production automotive designs requiring both.
Availability
SMCJ9.0AHM3_A/I is available at Aetrix Electronics and suitable for automotive power distribution, industrial motor drive inputs, telecom interface ports, and sensor signal conditioning requiring stable component supply and full AEC-Q101 traceability.
Supply support for SMCJ9.0AHM3_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, and protection devices with emphasis on reliability and automotive-grade validation.
The SMCJ series was developed specifically for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom infrastructure applications demanding 1500 W surge handling and AEC-Q101 compliance.
FAQ
What is the clamping voltage of SMCJ9.0AHM3_A/I at its rated peak pulse current?
The SMCJ9.0AHM3_A/I has a maximum clamping voltage (VC) of 15.4 V when subjected to its rated peak pulse current of 97.4 A under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and confirmed in Vishay's Document Number 88394, ensuring predictable overvoltage protection for downstream components in the SMCJ9.0AHM3_A/I application circuit.
Is SMCJ9.0AHM3_A/I qualified for automotive use?
Yes, SMCJ9.0AHM3_A/I is AEC-Q101 qualified, as indicated by the "HM3" suffix and documented in Vishay's revision 09-Jan-2024 datasheet. The HM3 designation confirms halogen-free, RoHS-compliant construction and full stress-test validation for automotive powertrain and body electronics-making SMCJ9.0AHM3_A/I suitable for production vehicle ECUs where qualification is mandatory.
What does the "_A/I" suffix mean in SMCJ9.0AHM3_A/I?
The "_A/I" suffix in SMCJ9.0AHM3_A/I denotes packaging and reel configuration: "A" indicates the revision code per Vishay's ordering nomenclature, and "I" specifies 13-inch diameter plastic tape and reel with 3500 units per reel. This matches the preferred delivery mode listed in the Ordering Information table of Document Number 88394 for SMCJ9.0AHM3_A/I.
How does SMCJ9.0AHM3_A/I differ from SMCJ9.0AHE3_A/I?
SMCJ9.0AHM3_A/I and SMCJ9.0AHE3_A/I share identical electrical specifications-including VWM, VBR, VC, and PPPM-but differ in material compliance: HM3 is halogen-free and AEC-Q101 qualified, whereas HE3 is RoHS-compliant only and lacks automotive qualification. Therefore, SMCJ9.0AHM3_A/I is required for Tier 1 automotive programs, while SMCJ9.0AHE3_A/I serves commercial-grade applications.
What is the thermal resistance of SMCJ9.0AHM3_A/I, and how does it affect layout?
The SMCJ9.0AHM3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 8.0 mm × 8.0 mm copper pads per terminal, as specified in the Thermal Characteristics table. This value informs PCB layout: adequate copper area must be provided to maintain TJ ≤ 150 °C under worst-case surge duty cycles, and no additional heatsinking is needed for single-event 1500 W pulses.
SMCJ9.0AHM3_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:
- 1
- Bidirectional Channels:
- -
- 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:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
SMCJ9.0AHM3_A/I FAQ
1.How can I place an order for SMCJ9.0AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ9.0AHM3_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 SMCJ9.0AHM3_A/I reliable?
The price and inventory of SMCJ9.0AHM3_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 SMCJ9.0AHM3_A/I is usually 5 days.
3.What payment methods are accepted for SMCJ9.0AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ9.0AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ9.0AHM3_A/I?
SMCJ9.0AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ9.0AHM3_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 SMCJ9.0AHM3_A/I?
For technical support, including SMCJ9.0AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ9.0AHM3_A/I requirements.
6.How does Aetrix verify that SMCJ9.0AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All SMCJ9.0AHM3_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 SMCJ9.0AHM3_A/I meets industry standards.
7.What is the process for return or replacement of SMCJ9.0AHM3_A/I?
All SMCJ9.0AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ9.0AHM3_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 SMCJ9.0AHM3_A/I part is unused and in its original packaging.
Return procedure for SMCJ9.0AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ9.0AHM3_A/I Tags
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Toshiba Semiconductor and Storage
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