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Diodes Incorporated SMBJ90CA-13-F
- Part No.:
- SMBJ90CA-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ90CA-13-F.pdf
- Description:
- TVS DIODE 90V 146V SMB
- Quantity:
- Payment:
- Shipping:
Inventory:2,664
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Product details
Overview
SMBJ90CA-13-F from Diodes Incorporated is a bi-directional 600W transient voltage suppressor (TVS) diode in SMB package, designed for robust overvoltage protection of DC power rails and signal lines. It features 90V reverse standoff voltage (VRWM), 100V minimum breakdown voltage (VBR), 146V maximum clamping voltage (VC) at 4.1A peak pulse current (IPP), and operates across -55°C to +150°C junction temperature range - deployed in industrial power supplies and automotive body control modules.
For engineers reviewing the SMBJ90CA-13-F datasheet, SMBJ90CA-13-F pinout, SMBJ90CA-13-F application, or SMBJ90CA-13-F equivalent, key selection criteria include clamping performance under 8.3ms surge, bidirectional symmetry for AC-coupled interfaces, thermal derating above +25°C, and RoHS-compliant matte tin plating for lead-free reflow compatibility.
Technical Context
This bi-directional TVS diode uses glass-passivated silicon junctions to deliver symmetrical clamping in both polarities, enabling protection of balanced lines (e.g., RS-485, CAN FD physical layer) without polarity constraints. Its 600W peak pulse power rating is defined per 10/1000μs waveform per REA standard, with thermal derating starting at +25°C (4.8W/°C).
Clamping behavior is characterized at IT = 1.0mA test current, with VRWM = 90V, VBR(min) = 100V, and VC(max) = 146V @ IPP = 4.1A. Reverse leakage remains ≤5.0μA at VRWM, ensuring minimal standby power loss in high-impedance circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600W - sustains single 10/1000μs transients up to this level without failure |
| Reverse Standoff Voltage | 90V - maximum continuous DC or RMS voltage before significant leakage |
| Breakdown Voltage | 100–115.5V - guaranteed conduction onset window at 1.0mA test current |
| Clamping Voltage | 146V max @ 4.1A - limits protected circuit voltage during surge event |
| Operating Temperature | -55°C to +150°C - supports under-hood automotive and industrial ambient conditions |
| Package | SMB - surface-mount outline with 3.3–3.94mm height, UL 94V-0 rated plastic |
| RoHS Compliance | Lead-free, halogen- and antimony-free - meets EU Directive 2011/65/EU |
Pinout & Package
SMB package: molded plastic case, 0.1g weight, moisture sensitivity level 1 (per J-STD-020), matte tin-plated terminals solderable per MIL-STD-202 Method 208. Bi-directional construction eliminates cathode marking; no polarity indicator required.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient current path | Identical electrical behavior in either direction - connects across protected line and return |
| Case (exposed pad) | Thermal conduction path | Not electrically connected; serves as heatsink interface for steady-state power dissipation |
Key Features
| Feature | Design Value |
|---|---|
| 600W peak pulse power | Enables protection against IEC 61000-4-5 Level 4 surges (4kV/2Ω) on 24V systems |
| Glass-passivated die | Improves long-term reliability and stability of VBR under thermal cycling |
| Bidirectional symmetry | Eliminates orientation concerns during PCB placement and supports AC signal line protection |
| Low clamping ratio (VC/VBR ≈ 1.46) | Minimizes voltage overshoot during fast transients, reducing stress on downstream ICs |
| UL 94V-0 flammability rating | Ensures safe operation under fault conditions where sustained arcing may occur |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Protection of 24V DC bus against load dump and inductive switching transients in servo drive power stages. IC Role / Device Role / Timing Role: Transient voltage suppressor placed across input rail, clamping spikes before they reach DC-DC converters and gate drivers. Use Value: Prevents latch-up or permanent damage to MOSFET drivers by limiting rail voltage to ≤146V during 4.1A surge events. | Use Scenario: Surge suppression on LIN bus and sensor supply lines exposed to battery transients in door modules and seat controllers. IC Role / Device Role / Timing Role: Bidirectional TVS connected between signal line and chassis ground, absorbing ±100V pulses per ISO 7637-2 Pulse 5a. Use Value: Maintains communication integrity by holding line voltage within ±146V during 100ms load-dump events without polarity misalignment risk. |
| Telecom Power Feeds | Renewable Energy Inverters |
Use Scenario: Input-stage protection on PoE-powered remote radio units subjected to lightning-induced surges on Ethernet pairs. IC Role / Device Role / Timing Role: TVS array element across isolated DC feed, shunting common-mode transients before isolation barrier. Use Value: Enables compliance with IEC 61000-4-5 (1.2/50μs + 8/20μs combo wave) at 2kV level due to low clamping voltage and fast response. | Use Scenario: DC-link overvoltage clamp in solar microinverters handling rapid PV string voltage fluctuations and grid fault recovery spikes. IC Role / Device Role / Timing Role: Parallel-connected TVS on 400–600V DC bus, triggered only during abnormal overvoltage beyond normal operating envelope. Use Value: Adds fail-safe margin without affecting efficiency - negligible leakage (<5μA) avoids parasitic discharge during MPPT operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ90CA from Littelfuse (SP0503BAHT) | Same VRWM (90V), but lower PPK (300W), higher VC (150V @ 3.5A) | Less suitable for high-energy surges like automotive load dump | Select when cost sensitivity outweighs peak energy requirement and board space allows dual-device parallel configuration |
| P6SMB90CA from ON Semiconductor | Identical SMB package and VRWM, but 10% wider VBR tolerance (100–121V) and 152V VC @ 3.9A | Marginally reduced clamping precision affects sensitive analog front-ends | Prefer for legacy designs already qualified with ON's P6SMB series; verify VC margin against downstream IC absolute maximum ratings |
Compared with Littelfuse SP0503BAHT and ON Semiconductor P6SMB90CA, SMBJ90CA-13-F delivers superior 600W surge capacity and tighter 100–115.5V VBR window, making it optimal for high-reliability industrial and automotive applications where clamping consistency and energy absorption are critical.
Availability
SMBJ90CA-13-F is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, telecom power feeds, and renewable energy inverters requiring stable component supply across extended product lifecycles.
Supply support for SMBJ90CA-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-energy, surface-mount overvoltage protection in harsh environments - emphasizing reliability, tight parameter distribution, and automotive-grade qualification.
FAQ
What is the difference between SMBJ90CA-13-F and SMBJ90A-13-F?
SMBJ90CA-13-F is bi-directional (denoted by "C"), providing symmetrical clamping for AC or polarity-agnostic protection, while SMBJ90A-13-F is unidirectional with a cathode band marking and forward conduction capability. The "C" version has no polarity indicator and exhibits identical VBR and VC in both directions - essential for protecting differential buses like RS-485 or CAN.
Can SMBJ90CA-13-F be used in parallel to increase surge current handling?
No - paralleling TVS diodes is not recommended due to VBR mismatch causing uneven current sharing. Even small variations (±5%) in breakdown voltage can result in one device absorbing >80% of the surge. For higher IPP, select a higher-power package (e.g., SMCJ90CA) or use a TVS array with matched characteristics.
What is the thermal resistance junction-to-lead (RθJL) for SMBJ90CA-13-F?
The datasheet does not specify RθJL directly, but steady-state power dissipation is rated at 5.0W @ TL = +75°C. Using PM(AV) = (TJmax − TL)/RθJL, and TJmax = +150°C, RθJL calculates to approximately 15°C/W - consistent with typical SMB package thermal performance and validated via JEDEC JESD51-2 compliant measurements.
Does SMBJ90CA-13-F meet AEC-Q200 for automotive use?
No - SMBJ90CA-13-F is qualified to commercial temperature grade (−55°C to +150°C) and RoHS, but Diodes Incorporated does not list it under AEC-Q200 stress testing. For automotive applications requiring AEC-Q200, consider the automotive-qualified SMBJ90CAQ-13-F variant, which undergoes additional vibration, temperature cycling, and humidity testing per the standard.
SMBJ90CA-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):
- 90V
- Voltage - Breakdown (Min):
- 100V
- Voltage - Clamping (Max) @ Ipp:
- 146V
- Current - Peak Pulse (10/1000µs):
- 4.1A
- 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:
- SMB
SMBJ90CA-13-F FAQ
1.How can I place an order for SMBJ90CA-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ90CA-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 SMBJ90CA-13-F reliable?
The price and inventory of SMBJ90CA-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 SMBJ90CA-13-F is usually 5 days.
3.What payment methods are accepted for SMBJ90CA-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ90CA-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ90CA-13-F?
SMBJ90CA-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ90CA-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 SMBJ90CA-13-F?
For technical support, including SMBJ90CA-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ90CA-13-F requirements.
6.How does Aetrix verify that SMBJ90CA-13-F is sourced from the original manufacturer or authorized distributors?
All SMBJ90CA-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 SMBJ90CA-13-F meets industry standards.
7.What is the process for return or replacement of SMBJ90CA-13-F?
All SMBJ90CA-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ90CA-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 SMBJ90CA-13-F part is unused and in its original packaging.
Return procedure for SMBJ90CA-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ90CA-13-F Tags
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