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Vishay General Semiconductor - Diodes Division SMBJ16CAHE3_B/I
- Part No.:
- SMBJ16CAHE3_B/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ16CAHE3_B/I.pdf
- Description:
- 600W,16V 5%,BIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:7,167
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Product details
Overview
SMBJ16CAHE3_B/I from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on signal and power lines. It features a 16 V standoff voltage (VWM), 26.0 V maximum clamping voltage (VC) at 23.1 A peak pulse current (IPPM), and 600 W peak pulse power (10/1000 µs waveform), making it suitable for protecting MOSFETs, ICs, and sensor signal lines in industrial and telecom equipment.
For engineers reviewing the SMBJ16CAHE3_B/I datasheet, SMBJ16CAHE3_B/I pinout, SMBJ16CAHE3_B/I application, or SMBJ16CAHE3_B/I equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification status, thermal resistance (RθJA = 100 °C/W), and compliance with UL 497B surge protector classification.
Technical Context
This device operates as a voltage-clamped transient suppressor using an avalanche breakdown mechanism, with symmetrical bidirectional conduction enabling protection of AC-coupled or differential signal paths without polarity sensitivity. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at VWM), while MSL Level 1 moisture sensitivity supports lead-free reflow up to 260 °C.
The SMBJ16CAHE3_B/I delivers 600 W peak pulse power under standardized 10/1000 µs waveform conditions, with clamping performance validated at TA = 25 °C on 0.2" × 0.2" copper pads. Its 150 °C maximum junction temperature and -55 °C to +150 °C operating range support deployment in automotive-grade and harsh-environment industrial systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - Maximum continuous reverse operating voltage before clamping begins; defines safe signal swing margin. |
| VBR min/max | 17.8 V / 19.7 V - Breakdown voltage range at 1.0 mA test current; ensures reliable turn-on within spec across process variation. |
| VC @ IPPM | 26.0 V - Clamped voltage at 23.1 A peak pulse current; determines maximum stress imposed on protected circuitry. |
| PPPM | 600 W - Peak pulse power handling (10/1000 µs); enables robust suppression of lightning-induced or inductive-switching surges. |
| IPPM | 23.1 A - Peak pulse current corresponding to VC; used to size PCB trace width and verify system-level surge margin. |
| TJ max | +150 °C - Maximum junction temperature; sets thermal derating limits for high-ambient or high-duty-cycle applications. |
| RθJA | 100 °C/W - Junction-to-ambient thermal resistance; informs heatsinking requirements when operating near PD = 5.0 W limit. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking; matte tin-plated leads, RoHS-compliant and AEC-Q101 qualified (HE3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (bidirectional) | Accepts surge current from either direction; connects to line being protected. |
| Cathode | Transient current exit (bidirectional) | Completes surge path to ground or return rail; symmetric with Anode in CA devices. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC signals, differential buses (e.g., RS-485), or ungrounded power rails without polarity concerns. |
| 600 W peak pulse power (10/1000 µs) | Meets IEC 61000-4-5 Level 4 surge immunity requirements for industrial and telecom infrastructure interfaces. |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive electronics use including body control modules and infotainment power supplies. |
| MSL Level 1, 260 °C peak reflow | Supports standard lead-free SMT assembly without preconditioning or special handling. |
| UL 497B recognized (QVGQ2) | Permits direct use in telecom and datacom surge protection circuits requiring safety agency certification. |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Protection of gate driver signal lines against inductive kickback from relay or solenoid switching. IC Role / Device Role / Timing Role: Bidirectional TVS clamp limiting transient voltage spikes to ≤26.0 V during 23.1 A surge events. Use Value: Prevents latch-up or oxide damage in isolated gate drivers (e.g., Si823x) by holding gate-source voltage within safe operating area. |
Use Scenario: Surge suppression on LIN bus lines exposed to load dump and jump-start transients in vehicle door modules. IC Role / Device Role / Timing Role: Fast-response (sub-nanosecond) voltage clamp maintaining signal integrity during 10/1000 µs surges up to 600 W. Use Value: Ensures LIN transceiver (e.g., TLE7259) remains functional after repeated exposure to ISO 7637-2 Pulse 5a/b events. |
| Telecom Power Feeds | Consumer Sensor Interfaces |
Use Scenario: Overvoltage protection on 48 V DC power input of PoE-powered network switches and media converters. IC Role / Device Role / Timing Role: Primary front-end TVS absorbing lightning-induced surges before upstream DC-DC converter input stage. Use Value: Limits input rail excursion to 26.0 V during 23.1 A transients, preventing overvoltage shutdown of buck controllers (e.g., LM5017). |
Use Scenario: ESD and surge protection on analog output lines of MEMS pressure sensors in HVAC control panels. IC Role / Device Role / Timing Role: Low-capacitance (typ. <100 pF) bidirectional clamp preserving signal bandwidth up to 100 MHz. Use Value: Maintains ±0.1% full-scale accuracy of 4–20 mA loop outputs during contact discharge per IEC 61000-4-2 Level 4. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16CA-M3 | Halogen-free, RoHS-compliant, commercial grade (no AEC-Q101 qualification); identical electrical specs and SMB package. | Lacks automotive qualification; suitable for industrial/commercial designs where AEC-Q101 is not mandated. | Select SMBJ16CA-M3 for cost-sensitive non-automotive applications requiring halogen-free materials. |
| SMAJ16CAHE3_A/H | Same VWM/VC specs but in smaller SMA (DO-214AC) package; lower IPPM (16.7 A) and PPPM (400 W). | Reduced surge handling capacity; limited to lower-energy transients or space-constrained layouts. | Choose SMAJ16CAHE3_A/H only when board space is critical and surge threat level is ≤400 W. |
Compared with SMBJ16CA-M3 and SMAJ16CAHE3_A/H, the SMBJ16CAHE3_B/I provides AEC-Q101 qualification and higher 600 W surge rating in the robust SMB package-making it the preferred choice for automotive and industrial systems requiring certified reliability and full IEC 61000-4-5 compliance.
Availability
SMBJ16CAHE3_B/I is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, telecom power feeds, and consumer sensor interfaces requiring stable component supply and long-term lifecycle support.
Supply support for SMBJ16CAHE3_B/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, efficiency, and application-specific optimization.
The SMBJ series was developed for high-energy transient suppression in space-constrained surface-mount applications, targeting automotive, industrial, and telecom markets needing AEC-Q101-qualified, UL-recognized TVS solutions.
FAQ
What does the "CA" suffix indicate in SMBJ16CAHE3_B/I?
The "CA" suffix denotes a bidirectional configuration, meaning SMBJ16CAHE3_B/I clamps voltage transients in both polarities-ideal for protecting AC-coupled signals, differential buses, or ungrounded power rails without polarity constraints. This differs from unidirectional "A" variants that require correct cathode orientation relative to ground.
Is SMBJ16CAHE3_B/I qualified for automotive applications?
Yes, SMBJ16CAHE3_B/I carries the HE3 suffix, confirming AEC-Q101 qualification per Vishay's ordering nomenclature. It is rated for operation from -55 °C to +150 °C and meets automotive reliability testing requirements, making it suitable for under-hood and cabin electronics such as body control modules and lighting drivers.
What is the maximum clamping voltage of SMBJ16CAHE3_B/I and at what current is it specified?
The maximum clamping voltage (VC) of SMBJ16CAHE3_B/I is 26.0 V, measured at its rated peak pulse current (IPPM) of 23.1 A under the standardized 10/1000 µs waveform. This value defines the upper voltage limit imposed on protected circuitry during worst-case surge events.
How does the SMB (DO-214AA) package of SMBJ16CAHE3_B/I compare thermally to smaller packages like SMA (DO-214AC)?
SMBJ16CAHE3_B/I in the SMB package offers lower thermal resistance than SMA variants-RθJA = 100 °C/W versus ~150 °C/W for SMAJ equivalents-due to larger copper pad area and thermal mass. This allows SMBJ16CAHE3_B/I to sustain higher average power dissipation (PD = 5.0 W) and better handle repetitive surge events in thermally demanding environments.
Does SMBJ16CAHE3_B/I meet any safety agency certifications?
Yes, SMBJ16CAHE3_B/I is Underwriters Laboratories (UL) recognized under file E136766 for both unidirectional and bidirectional devices, complying with UL 497B for surge protective components. This certification validates its suitability in telecom, industrial, and building automation systems requiring third-party safety approval.
SMBJ16CAHE3_B/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- 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):
- 23.1A
- Power - Peak Pulse:
- 600W
- 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-214AA (SMB)
SMBJ16CAHE3_B/I FAQ
1.How can I place an order for SMBJ16CAHE3_B/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ16CAHE3_B/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 SMBJ16CAHE3_B/I reliable?
The price and inventory of SMBJ16CAHE3_B/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ16CAHE3_B/I is usually 5 days.
3.What payment methods are accepted for SMBJ16CAHE3_B/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ16CAHE3_B/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ16CAHE3_B/I?
SMBJ16CAHE3_B/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ16CAHE3_B/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 SMBJ16CAHE3_B/I?
For technical support, including SMBJ16CAHE3_B/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ16CAHE3_B/I requirements.
6.How does Aetrix verify that SMBJ16CAHE3_B/I is sourced from the original manufacturer or authorized distributors?
All SMBJ16CAHE3_B/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 SMBJ16CAHE3_B/I meets industry standards.
7.What is the process for return or replacement of SMBJ16CAHE3_B/I?
All SMBJ16CAHE3_B/I units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ16CAHE3_B/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 SMBJ16CAHE3_B/I part is unused and in its original packaging.
Return procedure for SMBJ16CAHE3_B/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ16CAHE3_B/I Tags
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