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Diodes Incorporated SMBJ110CA-13-F
- Part No.:
- SMBJ110CA-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ110CA-13-F.pdf
- Description:
- TVS DIODE 110V 177V SMB
- Quantity:
- Payment:
- Shipping:
Inventory:2,194
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Product details
Overview
SMBJ110CA-13-F from Diodes Incorporated is a bi-directional transient voltage suppressor (TVS) diode in SMB package, designed for overvoltage protection of sensitive electronics. It features 110 V reverse standoff voltage (VRWM), 122–140 V breakdown voltage (VBR), 177 V maximum clamping voltage (VC) at 3.4 A peak pulse current (IPP), and 600 W peak pulse power dissipation - deployed in industrial power supply input stages to absorb lightning-induced surges.
For engineers reviewing the SMBJ110CA-13-F datasheet, SMBJ110CA-13-F pinout, SMBJ110CA-13-F application, or SMBJ110CA-13-F equivalent, key selection criteria include clamping voltage margin relative to protected IC's absolute maximum rating, bidirectional capability for AC-coupled or floating lines, thermal derating above +25°C, and compatibility with automated SMT placement on 1.96–2.21 mm body height PCBs.
Technical Context
This bi-directional TVS operates symmetrically across both polarities, enabling robust protection of differential signal lines, AC mains inputs, and ungrounded bus interfaces without polarity constraints. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<5 µA at VRWM) over temperature.
The device complies with IEC 61000-4-2 (ESD) and IEC 61000-4-5 (surge) immunity requirements when used with appropriate series impedance. Thermal performance is governed by steady-state power dissipation of 5.0 W at TL = +75°C and pulse derating of 4.8 W/°C above +25°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - sustains single 8.3 ms half-sine surge without failure under defined test conditions |
| Reverse Standoff Voltage (VRWM) | 110 V - maximum continuous DC or RMS voltage before significant leakage begins |
| Breakdown Voltage (VBR) | 122–140 V @ 1.0 mA - guaranteed conduction onset range defining protection threshold |
| Clamping Voltage (VC) | 177 V @ IPP = 3.4 A - maximum voltage seen by downstream circuit during specified surge event |
| Peak Pulse Current (IPP) | 3.4 A - peak current handled at VC; determines minimum series impedance required for target clamping |
| Operating Temperature | −55°C to +150°C - supports deployment in automotive engine bays and industrial enclosures |
| Package | SMB (DO-214AA) - surface-mount outline with 4.06–4.57 mm width, compatible with standard reflow profiles |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case rated UL 94V-0, 0.1 g mass, matte tin-plated terminals solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode Band (Not Present) | None - bi-directional configuration | No polarity marking; terminals are functionally identical for surge conduction in either direction |
| Anode / Cathode (Symmetrical) | Transient Conduction Path | Both terminals serve as interchangeable surge current entry/exit points; no DC bias dependency |
Key Features
| Feature | Design Value |
|---|---|
| Bi-directional suppression | Enables single-device protection of AC lines, RS-485 buses, and transformer-coupled interfaces without polarity concerns |
| Glass-passivated die | Ensures long-term stability of VBR and low parametric drift across 1000+ thermal cycles |
| RoHS & Halogen-Free | Meets EU RoHS 2 (2011/65/EU) and Diodes Inc.'s "Green" standard (<900 ppm Br/Cl, <1000 ppm Sb) |
| 600 W pulse rating | Provides margin against 1 kV/500 A 8/20 µs surge events when paired with ≥33 Ω series impedance |
| Moisture Sensitivity Level 1 | Eliminates bake requirement prior to reflow; safe for standard SMT assembly without dry pack handling |
Applications
| Industrial AC Input Protection | RS-485 Data Line Surge Suppression |
|---|---|
Use Scenario: 24 VAC control power input to PLC I/O module exposed to induced surges from nearby motor switching. IC Role / Device Role / Timing Role: Primary overvoltage clamp placed across AC input terminals ahead of bridge rectifier. Use Value: Limits transient voltage to ≤177 V, preventing damage to rectifier diodes and downstream regulator ICs during 1 kV line-to-ground surges. |
Use Scenario: Two-wire RS-485 transceiver interface in factory automation network subject to ground potential differences and ESD events. IC Role / Device Role / Timing Role: Bi-directional TVS connected between A/B differential pair and local ground plane. Use Value: Clamps common-mode surges up to ±1 kV without distorting signal integrity due to symmetrical 177 V clamping on both polarities. |
| DC Power Rail Transient Suppression | Transformer-Coupled Isolated Interface |
Use Scenario: 48 V DC power rail feeding remote sensors in outdoor telecom cabinets, vulnerable to lightning-induced coupling. IC Role / Device Role / Timing Role: TVS placed across rail near connector entry point, upstream of DC-DC converter input. Use Value: Absorbs 600 W surge energy within 177 V clamping limit, preserving converter MOSFETs rated for 60 V max drain-source voltage. |
Use Scenario: Secondary-side signal isolation using pulse transformer in isolated CAN or SPI interface. IC Role / Device Role / Timing Role: Bi-directional TVS mounted across transformer secondary windings to suppress coupled transients. Use Value: Prevents insulation breakdown in transformer windings by limiting voltage stress to ≤177 V during fast-rising surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ110A-13-F | Uni-directional version; includes cathode band marking and forward voltage drop (~3.5 V) in one polarity | Requires correct orientation on PCB; unsuitable for AC or floating differential lines | Select only when protecting DC rails with known polarity and where unidirectional clamping suffices |
| SMAJ110CA | Lower 400 W peak power rating; SMA package (smaller footprint, lower thermal mass) | Limited to lower-energy transients; less robust under repeated surge stress | Acceptable for cost-sensitive consumer-grade designs with reduced surge immunity requirements |
Compared with SMBJ110CA-13-F, the uni-directional SMBJ110A-13-F offers tighter VBR tolerance but lacks AC-line flexibility, while the SMAJ110CA sacrifices 33% pulse power headroom and thermal robustness for smaller board area - making SMBJ110CA-13-F optimal for industrial-grade surge resilience.
Availability
SMBJ110CA-13-F is available at Aetrix Electronics and suitable for industrial power supplies, RS-485 communication interfaces, and DC distribution systems requiring stable component supply with full traceability and long-lifecycle support.
Supply support for SMBJ110CA-13-F 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The SMBJ series belongs to Diodes' transient voltage suppression portfolio, engineered specifically for high-reliability industrial, telecom, and automotive power-line and data-line protection applications demanding precise clamping and robust surge endurance.
FAQ
What is the meaning of the 'C' suffix in SMBJ110CA-13-F?
The 'C' denotes bi-directional functionality: the device conducts symmetrically for positive and negative transients, with no cathode band marking and identical electrical behavior on both terminals. This enables use on AC lines, differential buses, and floating circuits where polarity is undefined or alternates - unlike uni-directional variants that require correct orientation and exhibit forward voltage drop in one direction.
Can SMBJ110CA-13-F be used in place of a uni-directional TVS like SMBJ110A-13-F?
Yes, but only if the circuit does not rely on DC forward conduction or polarity-specific behavior. The bi-directional version will protect both polarities equally and eliminate orientation errors during assembly. However, it cannot replace uni-directional TVS in applications requiring low forward voltage clamping in one direction - such as DC rail protection where reverse blocking must be maintained.
What is the maximum recommended PCB trace length between SMBJ110CA-13-F and the protected node?
For effective surge suppression, keep PCB traces from the TVS to the protected node under 5 mm and minimize loop area. Longer traces add inductance that increases voltage overshoot during fast transients (e.g., ESD), potentially exceeding the clamped voltage. Use wide, short copper pours tied directly to ground plane vias adjacent to the device terminals.
How does SMBJ110CA-13-F perform under repeated surge stress?
It is rated for non-repetitive pulses (≤4 per minute); repeated surges cause cumulative thermal stress. At 25°C ambient, its 600 W rating applies only to single events. For repetitive operation, derate peak power using the 4.8 W/°C curve and ensure PCB copper area provides adequate heat spreading - sustained operation above 100°C junction temperature risks parametric shift or failure.
SMBJ110CA-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AA, SMB
- Series:
- SMBJ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 110V
- Voltage - Breakdown (Min):
- 122V
- Voltage - Clamping (Max) @ Ipp:
- 177V
- Current - Peak Pulse (10/1000µs):
- 3.4A
- 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:
- SMB
SMBJ110CA-13-F FAQ
1.How can I place an order for SMBJ110CA-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ110CA-13-F 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 SMBJ110CA-13-F reliable?
The price and inventory of SMBJ110CA-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ110CA-13-F is usually 5 days.
3.What payment methods are accepted for SMBJ110CA-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ110CA-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ110CA-13-F?
SMBJ110CA-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ110CA-13-F 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 SMBJ110CA-13-F?
For technical support, including SMBJ110CA-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ110CA-13-F requirements.
6.How does Aetrix verify that SMBJ110CA-13-F is sourced from the original manufacturer or authorized distributors?
All SMBJ110CA-13-F 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 SMBJ110CA-13-F meets industry standards.
7.What is the process for return or replacement of SMBJ110CA-13-F?
All SMBJ110CA-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ110CA-13-F, 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 SMBJ110CA-13-F part is unused and in its original packaging.
Return procedure for SMBJ110CA-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ110CA-13-F Tags
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ESD9B5.0ST5G
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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onsemi
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Diodes Incorporated
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Diodes Incorporated
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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