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Vishay General Semiconductor - Diodes Division SMBJ16A-E3/5B
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- Part No.:
- SMBJ16A-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ16A-E3/5B.pdf
- Description:
- TVS DIODE 16VWM 26VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,798
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Product details
Overview
SMBJ16A-E3/5B from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping inductive switching transients and ESD events on power rails and signal lines. It features a 16 V stand-off 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), commonly deployed in industrial sensor interfaces and DC power input protection.
For engineers reviewing the SMBJ16A-E3/5B datasheet, SMBJ16A-E3/5B pinout, SMBJ16A-E3/5B application, or SMBJ16A-E3/5B equivalent, key selection criteria include clamping performance under 10/1000 µs surge, unidirectional polarity with cathode band marking, thermal resistance (RθJA = 100 °C/W), and RoHS-compliant commercial-grade construction per J-STD-020 MSL level 1.
Technical Context
This TVS diode operates as a voltage-clamping device triggered by reverse-biased avalanche breakdown above its 17.8–19.7 V breakdown voltage (VBR) range at 1 mA test current. Its low incremental surge resistance ensures stable clamping during repetitive 600 W surges at 0.01% duty cycle, while the glass-passivated junction enables fast response time (<1 ns) to transient events.
The SMBJ16A-E3/5B is rated for -55 °C to +150 °C operating junction temperature and exhibits a positive temperature coefficient of VBR (+0.089 %/°C), supporting stable performance across automotive and industrial ambient conditions. Its matte tin-plated leads meet J-STD-002 solderability and JESD22-B102 whisker resistance Class 2 requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 16 V - Maximum continuous reverse voltage before significant leakage; defines safe operating margin below clamping threshold. |
| VBR (Breakdown Voltage) | 17.8–19.7 V at 1 mA - Avalanche onset range; ensures reliable triggering without premature conduction during normal operation. |
| VC (Clamping Voltage) | 26.0 V at IPPM = 23.1 A - Peak voltage seen by protected circuit during 10/1000 µs surge; determines downstream component stress. |
| PPPM (Peak Pulse Power) | 600 W (10/1000 µs) - Transient energy-handling capacity; supports robust protection against IEC 61000-4-5 Level 3/4 surges. |
| ID (Reverse Leakage) | 1.0 µA max at VWM - Minimal standby power loss and signal integrity impact in high-impedance circuits. |
| RθJA | 100 °C/W - Thermal resistance from junction to ambient on standard 0.2" × 0.2" copper pads; informs derating above 25 °C ambient. |
| Package | SMB (DO-214AA) - Surface-mount outline with 5.59 mm max length, 4.06 mm max width, and 2.20 mm max height; compatible with automated pick-and-place. |
Pinout & Package
Package: SMB (DO-214AA), unidirectional configuration with cathode indicated by a band on the case body. Terminals are matte tin-plated leads suitable for reflow soldering per J-STD-020 MSL level 1 (peak 260 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse voltage reference | Connected to lower-potential side (e.g., GND or return path); defines polarity-dependent clamping direction. |
| Cathode | Avalanche breakdown terminal | Marked end of package; connected to higher-potential rail (e.g., VBUS or signal line) to clamp overvoltage to ground. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Enables single-device protection against severe lightning-induced surges per IEC 61000-4-5 without external series impedance. |
| 26.0 V clamping at 23.1 A | Limits voltage excursion on 12–15 V systems to safe levels for 3.3 V/5 V logic and MOSFET gate drivers. |
| Glass passivated junction | Ensures consistent avalanche characteristics and long-term reliability under repeated surge stress. |
| MSL level 1 (260 °C peak) | Supports standard lead-free reflow profiles without preconditioning or special handling. |
| RoHS-compliant, commercial grade (E3 suffix) | Meets global environmental compliance requirements without halogen restrictions; optimized for cost-sensitive industrial designs. |
Applications
| Industrial Sensor Interface | DC Power Input Protection |
|---|---|
|
Use Scenario: Protecting analog output lines (e.g., 4–20 mA current loop transmitters) from ESD and relay coil flyback in factory automation PLC modules. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed between signal line and ground, absorbing transients before they reach precision DAC or op-amp inputs. Use Value: Maintains signal accuracy by limiting voltage excursions to ≤26.0 V, preventing latch-up or damage to 24 V-tolerant analog front-end ICs. |
Use Scenario: Safeguarding 12 V DC input rails of embedded controllers against load dump and alternator ripple in transportation equipment. IC Role / Device Role / Timing Role: Primary overvoltage clamp on main power entry point, coordinated with upstream fuse and downstream LDO regulator. Use Value: Withstands 600 W surges without degradation, enabling compact design versus multi-stage TVS+MOV solutions while meeting ISO 7637-2 Pulse 5a requirements. |
| Automotive Body Control Module | Consumer Appliance Motor Drive |
|
Use Scenario: Shielding LIN bus transceivers and window lift motor drivers from battery disconnect transients in non-AEC-Q101 qualified modules. IC Role / Device Role / Timing Role: Localized TVS on each switched 12 V supply line feeding microcontroller I/O or gate driver ICs. Use Value: Fast <1 ns response prevents data corruption during 100 ns–1 µs edge transients, preserving communication integrity without adding propagation delay. |
Use Scenario: Suppressing commutation spikes from brushed DC motors in washing machine control boards exposed to frequent on/off cycling. IC Role / Device Role / Timing Role: Parallel-mounted TVS across motor terminals to clamp inductive kickback before it couples into MCU power domains. Use Value: 23.1 A peak surge current rating handles repeated 10/1000 µs events from 50 W motors, extending board lifetime versus Zener-based alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16CA-E3/5B | Bidirectional variant; symmetrical VBR (17.8–19.7 V) in both polarities; no cathode marking. | Required where AC-coupled signals or dual-polarity rails (e.g., RS-485, CAN) need clamping in both directions. | Select SMBJ16CA-E3/5B only when bidirectional protection is mandated; SMBJ16A-E3/5B offers lower leakage and tighter VWM margin for DC rails. |
| SMCJ16A-E3/57T | Higher-power SMC (DO-214AB) package; same VWM/VBR but 1500 W PPPM and 100 A IPPM; RθJA = 35 °C/W. | Suitable for higher-energy threats (e.g., IEC 61000-4-5 Level 4) or thermally constrained layouts requiring lower junction rise. | Choose SMCJ16A-E3/57T when surge energy exceeds 600 W or board space allows larger footprint; SMBJ16A-E3/5B prioritizes compactness and cost. |
Compared with SMBJ16CA-E3/5B, SMBJ16A-E3/5B provides superior leakage control and polarity-specific clamping for DC systems; versus SMCJ16A-E3/57T, it trades peak power for smaller SMB footprint and lower assembly cost in moderate-threat environments.
Availability
SMBJ16A-E3/5B is available at Aetrix Electronics and suitable for industrial sensor interfaces, DC power input protection, and consumer appliance motor drive circuits requiring stable component supply and RoHS-compliant commercial-grade TVS diodes.
Supply support for SMBJ16A-E3/5B 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 surface-mount transient suppression in space-constrained industrial and automotive electronics, balancing high surge capability with standardized SMB packaging and automated assembly compatibility.
FAQ
What is the maximum clamping voltage of SMBJ16A-E3/5B under a 10/1000 µs surge?
The SMBJ16A-E3/5B has a maximum clamping voltage (VC) of 26.0 V when subjected to its rated peak pulse current of 23.1 A using the standard 10/1000 µs waveform. This value is measured at the device terminals under specified test conditions and defines the upper voltage limit imposed on protected circuitry during transient events. Designers must ensure downstream components tolerate this clamped voltage under worst-case surge conditions.
Is SMBJ16A-E3/5B suitable for automotive applications requiring AEC-Q101 qualification?
No, SMBJ16A-E3/5B is a commercial-grade part with RoHS compliance (E3 suffix) but not AEC-Q101 qualified. For automotive use, select the Vishay variant SMBJ16AHE3_B/I, which carries the HE3 suffix and explicit AEC-Q101 qualification per the ordering table. Using SMBJ16A-E3/5B in automotive environments may compromise long-term reliability under extended temperature cycling and vibration stress.
How does the thermal resistance of SMBJ16A-E3/5B affect its power derating?
SMBJ16A-E3/5B has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W on standard 0.2" × 0.2" copper pads. At ambient temperatures above 25 °C, its 5.0 W steady-state power dissipation must be linearly derated by 50 mW/°C - for example, to 3.0 W at 65 °C ambient. This derating ensures junction temperature remains within the -55 °C to +150 °C operational limit and maintains clamping consistency during repeated surges.
Can SMBJ16A-E3/5B replace SMBJ15A-E3/5B in an existing design?
Yes, SMBJ16A-E3/5B can replace SMBJ15A-E3/5B if the system's stand-off voltage margin allows a 1 V increase (from 15 V to 16 V) and the clamping voltage tolerance accommodates the rise from 24.4 V to 26.0 V. Both share identical SMB package, pinout, and surge ratings, making them drop-in replacements for most 12 V rail protections - however, verify that the higher VWM does not reduce noise immunity in low-voltage sensing paths.
What is the reverse leakage current specification for SMBJ16A-E3/5B at its rated stand-off voltage?
The SMBJ16A-E3/5B specifies a maximum reverse leakage current (ID) of 1.0 µA at its 16 V stand-off voltage (VWM) and 25 °C ambient temperature. This low leakage minimizes quiescent power loss and avoids loading high-impedance nodes such as comparator reference inputs or microcontroller wake-up pins, supporting energy-efficient designs in battery-powered or always-on systems.
SMBJ16A-E3/5B 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:
- 1
- Bidirectional Channels:
- -
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SMBJ16A-E3/5B FAQ
1.How can I place an order for SMBJ16A-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ16A-E3/5B 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 SMBJ16A-E3/5B reliable?
The price and inventory of SMBJ16A-E3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ16A-E3/5B is usually 5 days.
3.What payment methods are accepted for SMBJ16A-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ16A-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ16A-E3/5B?
SMBJ16A-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ16A-E3/5B 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 SMBJ16A-E3/5B?
For technical support, including SMBJ16A-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ16A-E3/5B requirements.
6.How does Aetrix verify that SMBJ16A-E3/5B is sourced from the original manufacturer or authorized distributors?
All SMBJ16A-E3/5B 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 SMBJ16A-E3/5B meets industry standards.
7.What is the process for return or replacement of SMBJ16A-E3/5B?
All SMBJ16A-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ16A-E3/5B, 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 SMBJ16A-E3/5B part is unused and in its original packaging.
Return procedure for SMBJ16A-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ16A-E3/5B Tags
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