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Vishay General Semiconductor - Diodes Division SMCJ16CAHM3_A/H
- Part No.:
- SMCJ16CAHM3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ16CAHM3_A/H.pdf
- Description:
- TVS DIODE 16VWM 26VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,243
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Product details
Overview
SMCJ16CAHM3_A/H 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 (VWM) of 16 V, breakdown voltage (VBR) range of 17.8–19.7 V at 1 mA, and clamping voltage (VC) of 26.0 V at 57.7 A IPPM. Used for protecting MOSFETs, ICs, and sensor signal lines in automotive and industrial power rails.
For engineers reviewing the SMCJ16CAHM3_A/H datasheet, SMCJ16CAHM3_A/H pinout, SMCJ16CAHM3_A/H application, or SMCJ16CAHM3_A/H equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, 1500 W surge rating, low clamping ratio (VC/VBR ≈ 1.42), and halogen-free RoHS-compliant packaging for automotive-grade reliability.
Technical Context
This device operates as a voltage-clamping protector with symmetrical bidirectional avalanche behavior-no polarity marking required. Its glass-passivated junction enables fast response time (<1 ns) and low incremental surge resistance, critical for suppressing ESD and inductive switching transients.
Thermal performance is defined by RθJA = 75 °C/W and RθJL = 15 °C/W, supporting operation from –55 °C to +150 °C junction temperature. The SMCJ16CAHM3_A/H variant is halogen-free, RoHS-compliant, and AEC-Q101 qualified-denoted by HM3 suffix and "_A/H" tape-and-reel delivery code.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 17.8 V / 19.7 V at 1 mA - ensures reliable avalanche initiation within tight tolerance band |
| VC @ IPPM | 26.0 V at 57.7 A - clamping voltage under full 1500 W surge, limiting stress on downstream components |
| PPPM | 1500 W - peak pulse power handling with 10/1000 µs waveform per IEC 61000-4-5 |
| TJ max | +150 °C - enables use in under-hood automotive environments and high-temperature industrial PCBs |
| Package | SMC (DO-214AB) - industry-standard surface-mount outline with 8.0 mm × 8.0 mm copper pad thermal relief |
| AEC-Q101 | Qualified - validated for automotive electronics per stress test requirements including HTGB, HTRB, and TCT |
Pinout & Package
SMCJ16CAHM3_A/H uses a two-terminal SMC (DO-214AB) package with no polarity marking-consistent with bidirectional TVS function. Terminals are matte tin-plated, solderable per J-STD-002 and JESD 22-B102, and meet JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (either direction) | Acts as cathode during positive half-cycle; symmetric conduction enables bidirectional clamping without orientation constraints |
| Cathode | Transient current exit (either direction) | Acts as anode during negative half-cycle; identical terminal construction eliminates mounting polarity dependency |
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 rating | Withstands severe lightning-induced surges (IEC 61000-4-5 Level 4) on 12 V/24 V power buses |
| AEC-Q101 qualification | Validated for automotive powertrain, body control, and ADAS modules requiring long-term field reliability |
| Halogen-free & RoHS | Meets automotive OEM material compliance requirements (e.g., GMW3172, Ford WSS-M99P9999-A1) |
| Low clamping ratio (VC/VBR) | 1.42 - minimizes overvoltage overshoot during transient events, reducing risk of IC latch-up or gate oxide damage |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed across power input prior to DC/DC converter or LDO regulator. Use Value: Limits transient voltage to ≤26.0 V, preventing damage to 36 V-rated regulators and ensuring uninterrupted microcontroller operation. | Use Scenario: Shielding analog output lines (e.g., 4–20 mA current loop) from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS shunting transients between signal and ground, placed adjacent to connector. Use Value: Clamps ±15 kV contact ESD (IEC 61000-4-2) without distorting low-bandwidth analog signals due to minimal parasitic capacitance. |
| Telecom Line Card Surge Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: Safeguarding Ethernet PHY interfaces and PoE injectors from induced surges on unshielded twisted-pair cabling. IC Role / Device Role / Timing Role: Bidirectional TVS on differential pairs (e.g., TX+/TX−), referenced to local ground plane. Use Value: Absorbs 1500 W common-mode surges while maintaining signal integrity below 100 MHz due to symmetrical layout and low dynamic impedance. | Use Scenario: Suppressing inductive kickback from brushed DC motors in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Across motor terminals to clamp flyback voltage spikes during PWM commutation. Use Value: Prevents MOSFET drain-source breakdown by clamping spikes to 26.0 V, enabling use of lower-voltage, cost-optimized FETs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16CAHE3_A/H | Lower PPPM (400 W), same VWM (16 V), SMA package (smaller footprint, higher RθJA) | Suitable for space-constrained consumer PCBs where surge threat level is moderate (IEC 61000-4-2 only) | Select when board area is limited and peak surge energy does not exceed 400 W. |
| SMCJ16CA-E3/57T | Same electrical specs, but commercial-grade (non-AEC-Q101), RoHS-compliant with lead-free matte tin plating | Appropriate for industrial automation and telecom infrastructure where automotive qualification is unnecessary | Choose for cost-sensitive non-automotive designs requiring identical clamping performance and SMC package. |
Compared with SMCJ16CAHE3_A/H (AEC-Q101, commercial grade) and SMAJ16CAHE3_A/H (400 W, SMA), the SMCJ16CAHM3_A/H uniquely combines 1500 W surge capacity, halogen-free materials, and automotive qualification-making it optimal for safety-critical vehicle subsystems requiring robust, compliant protection.
Availability
SMCJ16CAHM3_A/H is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and telecom line card surge suppression requiring stable component supply across multi-year production cycles.
Supply support for SMCJ16CAHM3_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 targets high-energy transient suppression in harsh environments-designed specifically for automotive, industrial, and telecom systems demanding AEC-Q101 validation and 1500 W surge immunity.
FAQ
What does the "HM3" suffix indicate in SMCJ16CAHM3_A/H?
The "HM3" suffix denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification. It confirms compliance with automotive material standards (e.g., JESD201 Class 2 whisker resistance) and environmental regulations-distinct from "E3" (RoHS only) or "HE3" (AEC-Q101, non-halogen-free). This makes SMCJ16CAHM3_A/H suitable for Tier 1 automotive suppliers requiring full material traceability and green manufacturing.
Is SMCJ16CAHM3_A/H pin-compatible with unidirectional SMCJ16A variants?
No-SMCJ16CAHM3_A/H is bidirectional with no polarity marking, while SMCJ16A is unidirectional and marked with a cathode band. Though both use the SMC (DO-214AB) package and identical pad layout, substituting them requires circuit review: unidirectional types conduct forward current and require correct orientation; bidirectional types like SMCJ16CAHM3_A/H do not. Using SMCJ16CAHM3_A/H in place of SMCJ16A eliminates orientation errors but may alter leakage behavior in DC-biased applications.
What is the maximum clamping voltage of SMCJ16CAHM3_A/H under surge conditions?
The maximum clamping voltage (VC) of SMCJ16CAHM3_A/H is 26.0 V at 57.7 A peak pulse current (IPPM), measured with a 10/1000 µs waveform. This value is guaranteed across the operating temperature range (–55 °C to +150 °C) and defines the upper voltage limit imposed on protected circuits during worst-case transients-critical for ensuring compatibility with 3.3 V, 5 V, or 12 V ICs downstream of the SMCJ16CAHM3_A/H.
Does SMCJ16CAHM3_A/H require heatsinking for 1500 W surge dissipation?
No external heatsink is required for single-event 1500 W surges because energy dissipation is transient (microsecond duration); thermal mass of the SMC package and PCB copper pads suffices. However, the datasheet specifies derating curves for repetitive surges-above TA = 25 °C, peak pulse power must be reduced per Figure 2. For designs expecting frequent transients, ensure minimum 8.0 mm × 8.0 mm copper pads per terminal (as specified in Note 2) to maintain thermal performance and avoid junction overheating in SMCJ16CAHM3_A/H.
How does the "_A/H" in SMCJ16CAHM3_A/H affect ordering and packaging?
The "_A/H" suffix indicates packaging in 7-inch diameter plastic tape-and-reel with 850 units per reel (package code H), per Vishay's ordering nomenclature. It does not affect electrical or thermal specifications-only logistics and assembly handling. This format supports high-speed pick-and-place placement and is compatible with standard SMT feeders. The "A" denotes revision level; "H" confirms tape width, reel size, and orientation-ensuring seamless integration into automated manufacturing lines using SMCJ16CAHM3_A/H.
SMCJ16CAHM3_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:
- -
- Bidirectional Channels:
- 1
- 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:
- 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)
SMCJ16CAHM3_A/H FAQ
1.How can I place an order for SMCJ16CAHM3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ16CAHM3_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 SMCJ16CAHM3_A/H reliable?
The price and inventory of SMCJ16CAHM3_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 SMCJ16CAHM3_A/H is usually 5 days.
3.What payment methods are accepted for SMCJ16CAHM3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ16CAHM3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ16CAHM3_A/H?
SMCJ16CAHM3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ16CAHM3_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 SMCJ16CAHM3_A/H?
For technical support, including SMCJ16CAHM3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ16CAHM3_A/H requirements.
6.How does Aetrix verify that SMCJ16CAHM3_A/H is sourced from the original manufacturer or authorized distributors?
All SMCJ16CAHM3_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 SMCJ16CAHM3_A/H meets industry standards.
7.What is the process for return or replacement of SMCJ16CAHM3_A/H?
All SMCJ16CAHM3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ16CAHM3_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 SMCJ16CAHM3_A/H part is unused and in its original packaging.
Return procedure for SMCJ16CAHM3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ16CAHM3_A/H Tags
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