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Vishay General Semiconductor - Diodes Division SMCJ16AHE3_A/H
- Part No.:
- SMCJ16AHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ16AHE3_A/H.pdf
- Description:
- TVS DIODE 16VWM 26VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:8,058
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Product details
Overview
SMCJ16AHE3_A/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for robust overvoltage protection of DC power rails and signal lines. It features a 16 V standoff voltage (VWM), 26.0 V maximum clamping voltage (VC) at 57.7 A peak pulse current (IPPM), and 1500 W peak pulse power (10/1000 µs waveform), commonly deployed in automotive power supply inputs and industrial sensor interfaces.
For engineers reviewing the SMCJ16AHE3_A/H datasheet, SMCJ16AHE3_A/H pinout, SMCJ16AHE3_A/H application, or SMCJ16AHE3_A/H equivalent, key selection criteria include its AEC-Q101 qualification, low 0.089 %/°C temperature coefficient of breakdown voltage, 1.0 µA max reverse leakage at VWM, and compatibility with automated SMT assembly on standard PCB pad layouts.
Technical Context
The SMCJ16AHE3_A/H operates as a silicon avalanche diode with glass-passivated junction, enabling fast response (<1 ps) to transient surges while maintaining stable clamping performance across -55 °C to +150 °C junction temperature range. Its unidirectional polarity-marked by cathode band-supports DC-biased protection paths without reverse conduction.
Designed for IEC 61000-4-2 ESD and IEC 61000-4-4 EFT compliance, it delivers consistent clamping under repetitive surge stress when mounted on 8.0 mm × 8.0 mm copper pads per terminal, with thermal resistance RθJA = 75 °C/W and RθJL = 15 °C/W ensuring reliable power dissipation during transient events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC rail margin. |
| VBR min/max | 17.8 V / 19.7 V at 1.0 mA - Confirmed breakdown threshold range; ensures predictable turn-on behavior. |
| VC | 26.0 V at 57.7 A (10/1000 µs) - Clamped voltage during worst-case surge; determines protected circuit's voltage stress limit. |
| IPPM | 57.7 A - Peak surge current capability; validates protection against 1500 W transients. |
| ID max | 1.0 µA at VWM - Ultra-low leakage preserves system efficiency and battery life in always-on circuits. |
| TJ max | +150 °C - Enables operation in under-hood automotive and high-temperature industrial environments. |
| Temp. Coeff. | 0.089 %/°C - Low drift ensures stable clamping across wide ambient temperature swings. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, matte tin-plated leads, RoHS-compliant and AEC-Q101 qualified. Dimensions: 7.75 mm × 6.22 mm × 2.62 mm (L × W × H); cathode marked by band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or return path; completes clamping loop during positive transients. |
| Cathode | High-side connection point | Connected to protected line (e.g., 12 V rail); conducts avalanche current when VAK exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock testing. |
| Glass-passivated junction | Enhances long-term stability and moisture resistance versus epoxy-passivated alternatives. |
| MSL Level 1 (260 °C) | Compatible with standard lead-free reflow profiles without preconditioning or baking. |
| 1500 W peak pulse rating | Withstands high-energy transients from load dump (ISO 7637-2 Pulse 5a) and inductive switching. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin for downstream ICs. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against ISO 7637-2 load dump pulses up to 120 V. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp surges before they reach LDOs and microcontrollers. Use Value: Limits rail voltage to ≤26.0 V during 57.7 A transients, preventing damage to 3.3 V/5 V logic and analog front-ends. | Use Scenario: Shielding 4–20 mA current-loop sensor outputs from ESD and cable-induced surges in factory automation. IC Role / Device Role / Timing Role: Bidirectional-capable unidirectional device used with series resistor to protect op-amp input stages. Use Value: Sub-µA leakage avoids offset error in precision current sensing; 26.0 V clamping prevents op-amp saturation during ±8 kV contact ESD. |
| Telecom DC Power Feeds | Consumer USB Power Delivery Ports |
Use Scenario: Safeguarding PoE-powered equipment (IEEE 802.3af/at) from induced surges on 48 V DC lines. IC Role / Device Role / Timing Role: Primary TVS on input side of DC-DC converter, coordinated with secondary-side MOVs. Use Value: 1500 W rating handles multi-pulse surge sequences; 150 °C rating supports sealed enclosure thermal design. | Use Scenario: Overvoltage hardening of USB-C VBUS lines against hot-swap transients and adapter faults. IC Role / Device Role / Timing Role: Standoff-rated TVS placed upstream of USB PD controller and load switch. Use Value: 16 V VWM allows full 20 V PD negotiation range while clamping fault conditions to 26.0 V, preserving port functionality. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A-E3/57T | Lower PPPM (400 W), smaller SMA package (DO-214AC), higher VC (27.7 V at 14.4 A) | Not suitable for load dump; limited to ESD/EFT only in space-constrained designs | Select when board area is critical and surge energy is <500 W. |
| SMCJ16CAHE3_A/H | Bidirectional variant; same VWM, VBR, VC, and PPPM; no polarity marking | Required for AC-coupled or floating signal lines where reverse polarity surges occur | Choose for RS-485, CAN, or Ethernet PHY protection where bidirectional clamping is mandatory. |
Compared with SMAJ16A-E3/57T and SMCJ16CAHE3_A/H, the SMCJ16AHE3_A/H provides 3.75× higher surge power handling and automotive qualification-making it the preferred choice for primary DC rail protection in harsh environments where both energy capacity and reliability are non-negotiable.
Availability
SMCJ16AHE3_A/H is available at Aetrix Electronics and suitable for automotive electronics, industrial control systems, and telecom infrastructure requiring stable component supply with AEC-Q101 assurance and long-lifecycle support.
Supply support for SMCJ16AHE3_A/H 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 is engineered for high-energy transient suppression in automotive, industrial, and communications systems-delivering consistent clamping performance under extreme thermal and electrical stress.
FAQ
What is the clamping voltage of SMCJ16AHE3_A/H at its rated peak pulse current?
The SMCJ16AHE3_A/H has a maximum clamping voltage (VC) of 26.0 V when subjected to its rated peak pulse current of 57.7 A under the standardized 10/1000 µs waveform. This value is measured across the anode and cathode terminals and defines the upper voltage limit imposed on protected circuitry during surge events. The SMCJ16AHE3_A/H maintains this clamping performance across its full operating temperature range.
Is SMCJ16AHE3_A/H suitable for automotive applications?
Yes, SMCJ16AHE3_A/H is AEC-Q101 qualified and explicitly designated for automotive use via its "HE3" suffix. It meets stringent requirements for temperature cycling, mechanical shock, and humidity resistance. The SMCJ16AHE3_A/H is routinely deployed in engine control units, body control modules, and ADAS power supplies where load dump and jump-start transients must be suppressed without failure.
How does the SMCJ16AHE3_A/H differ from the bidirectional SMCJ16CAHE3_A/H?
The SMCJ16AHE3_A/H is unidirectional with a cathode band marking, conducting only during positive transients relative to its anode. In contrast, SMCJ16CAHE3_A/H is bidirectional-symmetrical in both directions-with no polarity marking and identical VBR, VC, and PPPM ratings. The SMCJ16AHE3_A/H is selected for DC power rail protection; SMCJ16CAHE3_A/H is used for AC or floating signal lines like CAN or RS-485.
What is the thermal resistance of SMCJ16AHE3_A/H, and how does it affect layout?
The SMCJ16AHE3_A/H has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W and junction-to-lead (RθJL) of 15 °C/W. To achieve rated power dissipation, PCB layout must use minimum 8.0 mm × 8.0 mm copper pads per terminal as specified. Reducing pad size increases RθJA, risking thermal runaway during repeated surges-so the SMCJ16AHE3_A/H requires strict adherence to Vishay's recommended footprint.
Can SMCJ16AHE3_A/H replace SMAJ16A in an existing design?
No direct replacement: SMCJ16AHE3_A/H uses the larger SMC (DO-214AB) package versus SMAJ16A's SMA (DO-214AC), requiring PCB land pattern revision. While both share 16 V VWM, the SMCJ16AHE3_A/H offers 1500 W PPPM (vs. 400 W) and AEC-Q101 qualification-making it superior for high-energy applications but incompatible without layout changes. The SMCJ16AHE3_A/H is not a drop-in substitute.
SMCJ16AHE3_A/H 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):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 57.7A
- 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)
SMCJ16AHE3_A/H FAQ
1.How can I place an order for SMCJ16AHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ16AHE3_A/H 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 SMCJ16AHE3_A/H reliable?
The price and inventory of SMCJ16AHE3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ16AHE3_A/H is usually 5 days.
3.What payment methods are accepted for SMCJ16AHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ16AHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ16AHE3_A/H?
SMCJ16AHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ16AHE3_A/H 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 SMCJ16AHE3_A/H?
For technical support, including SMCJ16AHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ16AHE3_A/H requirements.
6.How does Aetrix verify that SMCJ16AHE3_A/H is sourced from the original manufacturer or authorized distributors?
All SMCJ16AHE3_A/H 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 SMCJ16AHE3_A/H meets industry standards.
7.What is the process for return or replacement of SMCJ16AHE3_A/H?
All SMCJ16AHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ16AHE3_A/H, 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 SMCJ16AHE3_A/H part is unused and in its original packaging.
Return procedure for SMCJ16AHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ16AHE3_A/H Tags
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