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Vishay General Semiconductor - Diodes Division SMCJ90CAHE3/57T
- Part No.:
- SMCJ90CAHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ90CAHE3/57T.pdf
- Description:
- TVS DIODE 90VWM 146VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,485
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Product details
Overview
SMCJ90CAHE3/57T from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping voltage transients up to 1500 W peak pulse power with a 10/1000 µs waveform. It features a standoff voltage of 90 V, clamping voltage of 146 V at 10.3 A peak pulse current, and operates across -55 °C to +150 °C junction temperature range. It is AEC-Q101 qualified and RoHS-compliant, targeting automotive power line and sensor interface protection.
For engineers reviewing the SMCJ90CAHE3/57T datasheet, SMCJ90CAHE3/57T pinout, SMCJ90CAHE3/57T application, or SMCJ90CAHE3/57T equivalent, key selection criteria include bidirectional clamping capability, 146 V VC at 10.3 A IPPM, AEC-Q101 qualification status, SMC package thermal resistance (RθJA = 75 °C/W), and compatibility with automated SMT assembly on 8.0 mm × 8.0 mm copper pads.
Technical Context
The SMCJ90CAHE3/57T is a silicon avalanche diode optimized for transient suppression in bidirectional signal and power lines. Its glass-passivated junction ensures stable breakdown behavior, while low incremental surge resistance enables effective clamping during fast-rising ESD or lightning-induced surges.
It complies with ANSI/IEEE C62.35 standards for surge protectors and meets J-STD-020 MSL Level 1 moisture sensitivity with 260 °C reflow peak. The device exhibits a temperature coefficient of VBR at 0.106 %/°C and maintains ≤1.0 µA reverse leakage at 90 V standoff voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 90 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 100 V / 111 V - Breakdown voltage range at 1 mA test current; defines turn-on threshold consistency |
| VC @ IPPM | 146 V at 10.3 A - Clamped voltage during 10/1000 µs surge; determines protected circuit's maximum stress level |
| PPPM | 1500 W - Peak pulse power handling capacity; defines transient energy absorption capability |
| TJ max | +150 °C - Maximum junction temperature; sets thermal derating limits for high-ambient designs |
| RθJA | 75 °C/W - Junction-to-ambient thermal resistance; informs PCB copper pad sizing requirements |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, bidirectional configuration with no polarity marking. Case dimensions: 7.11 mm × 6.22 mm × 2.62 mm (L × W × H); terminals are matte tin-plated for J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (Anode) | Bidirectional terminal | Both ends function identically; no polarity-symmetrical clamping in either direction |
| Anode (Cathode) | Bidirectional terminal | Same as above; device conducts equally under positive or negative transients |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive powertrain and body electronics per stress test requirements |
| 1500 W peak pulse power | Withstands IEC 61000-4-5 surge events up to 4 kV (line-to-earth) in properly designed circuits |
| Low clamping ratio (VC/VWM = 1.62) | Minimizes overvoltage stress on downstream ICs compared to higher-ratio TVS devices |
| MSL Level 1 rating | Enables standard SMT reflow without baking; compatible with high-volume automated assembly |
| Glass-passivated junction | Ensures long-term stability of breakdown voltage and leakage performance over temperature and life |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump and alternator transients. IC Role / Device Role / Timing Role: Bidirectional clamping element placed between power rail and ground. Use Value: Limits voltage to ≤146 V during 10/1000 µs surges, preventing damage to MCU, CAN transceivers, and analog front-ends. | Use Scenario: Shielding analog sensor outputs (e.g., pressure, temperature) from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance transient suppressor on differential or single-ended signal lines. Use Value: Maintains signal integrity with <1.0 µA leakage at 90 V, enabling accurate DC-coupled measurements. |
| Telecom DC Power Input | Consumer Appliance Motor Drive |
Use Scenario: Safeguarding PoE-powered equipment inputs against induced surges on 48 V DC lines. IC Role / Device Role / Timing Role: Primary overvoltage clamp on input stage before DC-DC converter. Use Value: Absorbs 1500 W pulses without degradation, supporting EN 61000-4-5 compliance in Class B systems. | Use Scenario: Suppressing inductive kickback from brushed DC motors in washing machines or HVAC blowers. IC Role / Device Role / Timing Role: Snubber-style TVS across motor terminals or H-bridge outputs. Use Value: Clamps flyback spikes to 146 V, protecting MOSFETs rated for 200 V drain-source breakdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ90CAHE3/A | Lower PPPM (400 W), smaller SMA package, RθJA = 110 °C/W | Suitable only for lower-energy transients; not recommended for load dump | Select when space-constrained and surge energy ≤400 W |
| SMCJ90AHE3/57T | Unidirectional version; cathode band marking; same VWM/VC/PPPM but asymmetric conduction | Requires correct polarity placement; unsuitable for AC or floating signal lines | Choose only if circuit topology guarantees unidirectional surge polarity |
Compared with SMAJ90CAHE3/A and SMCJ90AHE3/57T, the SMCJ90CAHE3/57T uniquely combines 1500 W surge capacity, bidirectional symmetry, and AEC-Q101 qualification in the robust SMC package-making it optimal for automotive and industrial DC bus protection where polarity uncertainty and high-energy threats coexist.
Availability
SMCJ90CAHE3/57T is available at Aetrix Electronics and suitable for automotive control units, industrial sensor interfaces, telecom power inputs, and consumer appliance motor drives requiring stable component supply and AEC-Q101 assurance.
Supply support for SMCJ90CAHE3/57T 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 and application-specific performance.
The SMCJ series was developed for high-energy transient suppression in harsh environments, particularly targeting automotive, industrial, and telecom infrastructure where robustness and standardized qualification are mandatory.
FAQ
What is the clamping voltage of SMCJ90CAHE3/57T at its rated peak pulse current?
The SMCJ90CAHE3/57T has a maximum clamping voltage (VC) of 146 V at 10.3 A peak pulse current (IPPM) under a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during surge events. The SMCJ90CAHE3/57T maintains this clamping performance across its full operating temperature range.
Is SMCJ90CAHE3/57T suitable for automotive applications?
Yes, SMCJ90CAHE3/57T is AEC-Q101 qualified and explicitly designated for automotive use via its "HE3" suffix. It passes stress tests including high-temperature reverse bias, temperature cycling, and ESD per AEC-Q101 Rev D. The SMCJ90CAHE3/57T is deployed in engine control modules, body controllers, and ADAS sensor power rails where load dump and jump-start transients occur.
How does the bidirectional design of SMCJ90CAHE3/57T affect circuit layout?
The SMCJ90CAHE3/57T has no polarity marking and functions identically in both directions, eliminating orientation constraints during placement. This simplifies PCB layout for AC-coupled lines, floating sensors, or systems where surge polarity cannot be guaranteed. Unlike unidirectional variants such as SMCJ90AHE3/57T, the SMCJ90CAHE3/57T requires no cathode band alignment-reducing assembly errors and enabling symmetric routing.
What is the thermal resistance of SMCJ90CAHE3/57T, and how does it impact PCB design?
The SMCJ90CAHE3/57T 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. To maintain TJ ≤ 150 °C under sustained 6.5 W power dissipation, designers must provide adequate copper area and consider airflow or adjacent heat sources. The SMCJ90CAHE3/57T's RθJL of 15 °C/W further supports efficient heat transfer to PCB traces.
Does SMCJ90CAHE3/57T meet RoHS and halogen-free requirements?
Yes, SMCJ90CAHE3/57T carries the "HE3" suffix, indicating it is RoHS-compliant and AEC-Q101 qualified. It is not halogen-free; for halogen-free compliance, the "HM3" variant (e.g., SMCJ90CAHM3/57T) must be selected. All HE3 devices meet JEDEC JESD201 Class 2 whisker resistance and UL 94 V-0 flammability for the molding compound.
SMCJ90CAHE3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 90V
- Voltage - Breakdown (Min):
- 100V
- Voltage - Clamping (Max) @ Ipp:
- 146V
- Current - Peak Pulse (10/1000µs):
- 10.3A
- 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)
SMCJ90CAHE3/57T FAQ
1.How can I place an order for SMCJ90CAHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ90CAHE3/57T 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 SMCJ90CAHE3/57T reliable?
The price and inventory of SMCJ90CAHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ90CAHE3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ90CAHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ90CAHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ90CAHE3/57T?
SMCJ90CAHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ90CAHE3/57T 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 SMCJ90CAHE3/57T?
For technical support, including SMCJ90CAHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ90CAHE3/57T requirements.
6.How does Aetrix verify that SMCJ90CAHE3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ90CAHE3/57T 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 SMCJ90CAHE3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ90CAHE3/57T?
All SMCJ90CAHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ90CAHE3/57T, 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 SMCJ90CAHE3/57T part is unused and in its original packaging.
Return procedure for SMCJ90CAHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ90CAHE3/57T Tags
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