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Vishay General Semiconductor - Diodes Division SMBJ16CA-E3/5B
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- Part No.:
- SMBJ16CA-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ16CA-E3/5B.pdf
- Description:
- TVS DIODE 16VWM 26VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,200
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Product details
Overview
SMBJ16CA-E3/5B 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 or power lines. It features a 16 V stand-off voltage (VWM), 26.0 V maximum clamping voltage at 23.1 A peak pulse current (IPPM), and 600 W peak pulse power capability with 10/1000 µs waveform - deployed to protect MOSFETs, ICs, and sensor signal lines in industrial and telecom equipment.
For engineers reviewing the SMBJ16CA-E3/5B datasheet, SMBJ16CA-E3/5B pinout, SMBJ16CA-E3/5B application, or SMBJ16CA-E3/5B equivalent, key selection criteria include bidirectional transient suppression capability, low clamping ratio (VC/VWM = 1.625), JEDEC-compliant SMB package footprint, and AEC-Q101 qualification eligibility via HE3/HM3 variants.
Technical Context
This device operates as a voltage-clamping protector with symmetrical breakdown behavior in both polarities due to its bidirectional construction. Its glass-passivated junction enables fast response time (<1 ns) and stable clamping under repetitive surge conditions up to 0.01% duty cycle.
The SMBJ16CA-E3/5B complies with ANSI/IEEE C62.35 for transient suppressors and meets MSL Level 1 per J-STD-020 with peak reflow temperature of 260 °C. Thermal resistance is 100 °C/W junction-to-ambient on standard 0.2" × 0.2" copper pads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - Maximum continuous reverse operating voltage before clamping begins; defines safe signal line operating margin. |
| VBR min / max | 17.8 V / 19.7 V at 1.0 mA - Breakdown voltage range ensures reliable turn-on during overvoltage events without premature conduction. |
| VC @ IPPM | 26.0 V at 23.1 A - Clamping voltage under 10/1000 µs surge; limits downstream component stress to safe levels. |
| PPPM | 600 W - Peak pulse power handling capacity; supports robust protection against IEC 61000-4-5 Level 4 surges. |
| ID @ VWM | 1.0 µA - Ultra-low leakage at stand-off voltage; preserves signal integrity and minimizes standby power loss. |
| TJ max | +150 °C - Maximum junction temperature rating; enables operation in high-ambient industrial environments. |
| Package | SMB (DO-214AA) - Standardized surface-mount outline with 5.59 mm × 4.06 mm footprint and 2.20 mm height; compatible with automated placement. |
Pinout & Package
Two-terminal bidirectional device in SMB (DO-214AA) package; no polarity marking on body. Terminals are matte tin-plated leads solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient current path | Either terminal serves as input/output for bidirectional clamping; no fixed anode/cathode orientation required in PCB layout. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or differential signal lines without polarity constraints. |
| 600 W peak pulse power | Withstands 10/1000 µs surges up to 23.1 A - sufficient for IEC 61000-4-5 open-circuit test waveforms. |
| Low clamping ratio (VC/VWM = 1.625) | Minimizes voltage overshoot during transients, reducing risk of damage to downstream 3.3 V or 5 V logic interfaces. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking; simplifies SMT manufacturing flow. |
| Glass-passivated junction | Ensures long-term stability of breakdown characteristics and low leakage across temperature and lifetime. |
Applications
| Industrial Motor Control Inputs | Automotive Sensor Signal Lines |
|---|---|
Use Scenario: Protection of PLC digital input modules against inductive kickback from solenoid or relay coils. IC Role / Device Role / Timing Role: Voltage clamping element placed between field wiring and optocoupler input stage. Use Value: Limits transient voltage to ≤26.0 V, preventing optocoupler LED overvoltage failure while maintaining 16 V DC input compatibility. |
Use Scenario: ESD and load-dump protection on LIN bus or analog sensor outputs (e.g., pressure, temperature) in engine control units. IC Role / Device Role / Timing Role: Bidirectional transient shunt connected across signal pair or signal-to-ground. Use Value: Withstands ±30 kV contact ESD (IEC 61000-4-2) and 12 V load-dump spikes without degradation, preserving sensor accuracy. |
| Telecom Power Supply Rails | Consumer USB Interface Ports |
Use Scenario: Secondary-side overvoltage suppression on 12 V or 24 V telecom power distribution boards exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Parallel-connected TVS across DC output rail upstream of DC-DC converters. Use Value: Clamps 600 W surges within 26.0 V, preventing latch-up or burnout of downstream POL regulators and FETs. |
Use Scenario: Data line protection for USB 2.0 D+/D− signals in set-top boxes and smart displays. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp placed inline with differential pair. Use Value: Adds <1 pF junction capacitance at zero bias (per typical curve Fig. 4), avoiding signal integrity degradation at 480 Mbps. |
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-M3/5B | Halogen-free, RoHS-compliant variant with identical electrical specs and SMB package. | No difference in circuit function or layout; selected when halogen-free compliance is mandated. | Direct material substitution where halogen-free BOM requirements apply. |
| SAC16-032A | Same VWM (16 V) and VC (26 V), but in smaller SOD-323 package (0.065" × 0.047"); lower IPPM (12.5 A) and PPPM (300 W). | Limited to lower-energy transients; unsuitable for IEC 61000-4-5 Level 4 or high-current inductive switching. | Select when board space is constrained and surge energy is below 300 W; verify thermal derating for ambient >70 °C. |
Compared with SMBJ16CA-E3/5B, the M3/5B offers identical protection performance with halogen-free materials, while SAC16-032A trades power handling and thermal robustness for miniaturization - making it suitable only for low-energy consumer interfaces.
Availability
SMBJ16CA-E3/5B is available at Aetrix Electronics and suitable for industrial motor control inputs, automotive sensor signal lines, telecom power supply rails, and consumer USB interface ports requiring stable component supply and long-term production continuity.
Supply support for SMBJ16CA-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, MOSFETs, and protection devices with emphasis on reliability and automotive-grade qualification.
The SMBJ series targets board-level transient protection in harsh environments, delivering standardized TVS performance across unidirectional and bidirectional configurations in industry-standard packages like SMB.
FAQ
What is the clamping voltage of SMBJ16CA-E3/5B at its rated peak pulse current?
The SMBJ16CA-E3/5B has a maximum clamping voltage (VC) of 26.0 V at 23.1 A peak pulse current (IPPM) using the 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuits during surge events. The SMBJ16CA-E3/5B maintains this clamping performance across its full operating temperature range of -55 °C to +150 °C.
Is SMBJ16CA-E3/5B suitable for automotive applications?
The SMBJ16CA-E3/5B itself is commercial-grade, but the same device in HE3 or HM3 suffix (e.g., SMBJ16CAHE3_B/I) is AEC-Q101 qualified. For automotive use, specify the HE3/HM3 variant - the SMBJ16CA-E3/5B shares identical electrical characteristics and SMB package, enabling drop-in replacement once qualified version is sourced. Always verify qualification status via Vishay's official ordering codes.
How does the bidirectional design of SMBJ16CA-E3/5B affect PCB layout?
The SMBJ16CA-E3/5B has no polarity marking and functions identically in either orientation, eliminating orientation constraints during placement. Unlike unidirectional TVS diodes, it requires no cathode band alignment - simplifying layout and reducing assembly errors. This symmetry makes SMBJ16CA-E3/5B ideal for protecting AC-coupled lines, differential pairs, or systems where voltage polarity reversal may occur.
What is the thermal resistance of SMBJ16CA-E3/5B and how does it impact power dissipation?
The SMBJ16CA-E3/5B has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" copper pads. At 25 °C ambient, its 5.0 W steady-state power dissipation rating drops linearly above 25 °C - derating to ~2.5 W at 75 °C ambient. This RθJA value informs heatsinking decisions for sustained surge repetition or high-temperature deployments.
Can SMBJ16CA-E3/5B replace SMBJ16A in an existing design?
No - SMBJ16A is unidirectional with cathode marking and forward voltage drop (~3.5 V at 50 A), while SMBJ16CA-E3/5B is bidirectional with symmetrical clamping and no forward conduction path. Substituting SMBJ16CA-E3/5B for SMBJ16A would eliminate polarity-dependent functionality and may compromise protection on DC-biased lines. Use only when the application explicitly requires bidirectional clamping.
SMBJ16CA-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:
- -
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SMBJ16CA-E3/5B FAQ
1.How can I place an order for SMBJ16CA-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ16CA-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 SMBJ16CA-E3/5B reliable?
The price and inventory of SMBJ16CA-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 SMBJ16CA-E3/5B is usually 5 days.
3.What payment methods are accepted for SMBJ16CA-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ16CA-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ16CA-E3/5B?
SMBJ16CA-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ16CA-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 SMBJ16CA-E3/5B?
For technical support, including SMBJ16CA-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ16CA-E3/5B requirements.
6.How does Aetrix verify that SMBJ16CA-E3/5B is sourced from the original manufacturer or authorized distributors?
All SMBJ16CA-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 SMBJ16CA-E3/5B meets industry standards.
7.What is the process for return or replacement of SMBJ16CA-E3/5B?
All SMBJ16CA-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ16CA-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 SMBJ16CA-E3/5B part is unused and in its original packaging.
Return procedure for SMBJ16CA-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ16CA-E3/5B Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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