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Vishay General Semiconductor - Diodes Division SMBJ13CA-E3/52
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- Part No.:
- SMBJ13CA-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ13CA-E3/52.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,525
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Product details
Overview
SMBJ13CA-E3/52 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 13 V standoff voltage (VWM), 14.4–15.9 V breakdown voltage (VBR) at 1 mA, 21.5 V maximum clamping voltage (VC) at 27.9 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - used to protect MOSFETs, ICs, and sensor interfaces in industrial and telecom equipment.
For engineers reviewing the SMBJ13CA-E3/52 datasheet, SMBJ13CA-E3/52 pinout, SMBJ13CA-E3/52 application, or SMBJ13CA-E3/52 equivalent, key selection criteria include bidirectional surge suppression capability, low clamping ratio (VC/VBR ≈ 1.45), JEDEC-standard SMB package compatibility, and RoHS-compliant commercial-grade construction with MSL Level 1 moisture sensitivity.
Technical Context
This bidirectional TVS operates symmetrically across both polarities, delivering identical clamping performance regardless of transient polarity. Its glass-passivated junction enables fast response time (<1 ns), low incremental surge resistance, and stable breakdown characteristics over temperature (0.084 %/°C tempco).
The device is rated for repetitive 10/1000 µs surges at 0.01 % duty cycle, with thermal resistance of 100 °C/W (junction-to-ambient) and 20 °C/W (junction-to-lead). It supports operating junction temperatures from –55 °C to +150 °C and meets UL 497B recognition for protector classification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse working voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (min/max) | 14.4 V / 15.9 V at 1 mA - Confirmed breakdown threshold range; ensures reliable triggering during overvoltage events. |
| VC @ IPPM | 21.5 V at 27.9 A - Clamped voltage under 600 W 10/1000 µs surge; determines protected circuit's maximum stress level. |
| PPPM | 600 W - Peak pulse power handling capacity; defines transient energy absorption capability per standardized waveform. |
| IPPM | 27.9 A - Peak pulse current corresponding to VC; used to size PCB trace width and verify system-level surge coordination. |
| TJ max | +150 °C - Maximum junction temperature; sets thermal derating limits for high-temperature ambient deployments. |
| 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
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Terminals are matte tin-plated leads, solderable per J-STD-002 and JESD 22-B102, meeting JESD 201 Class 2 whisker test requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient return path (bidirectional) | Provides symmetrical conduction path during positive or negative transients; connects to protected line or ground reference. |
| Cathode | Transient return path (bidirectional) | Functionally identical to Anode in bidirectional operation; no cathode band marking distinguishes polarity. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns. |
| 600 W peak pulse power (10/1000 µs) | Supports robust immunity against lightning-induced surges and inductive switching spikes in industrial environments. |
| Low clamping voltage (21.5 V @ 27.9 A) | Minimizes stress on downstream 15 V-rated ICs and MOSFETs while maintaining design margin. |
| MSL Level 1, 260 °C reflow compatible | Allows standard lead-free SMT assembly without pre-baking or special handling. |
| UL 497B recognized (QVGQ2) | Validates compliance for use in telecom and data-line surge protection applications requiring safety certification. |
Applications
| Industrial Motor Control | Automotive Sensor Interface |
|---|---|
|
Use Scenario: Protection of gate drivers and feedback sensing lines in variable-frequency drives exposed to inductive kickback. IC Role / Device Role / Timing Role: Bidirectional TVS clamps ±2 kV EFT and 1 kV lightning surges on isolated analog inputs and PWM control paths. Use Value: Prevents latch-up or permanent damage to op-amps and microcontrollers by limiting transient voltage to ≤21.5 V. |
Use Scenario: Shielding LIN bus transceivers and pressure/temperature sensor outputs in engine bay modules. IC Role / Device Role / Timing Role: Suppresses load-dump and jump-start transients on 12 V supply rails and bidirectional data lines. Use Value: Maintains signal integrity during ISO 7637-2 Pulse 1/2/5a events without adding series impedance or propagation delay. |
| Telecom Power Feeds | Consumer USB-C Port Protection |
|
Use Scenario: Guarding PoE-powered Ethernet PHYs and DC-DC converters against induced surges on 48 V DC input rails. IC Role / Device Role / Timing Role: Fast-clamping TVS absorbs 600 W surges on primary-side power entry before upstream fuses open. Use Value: Enables compliance with IEC 61000-4-5 Level 3 (1 kV line-earth) without derating converter output stages. |
Use Scenario: Safeguarding USB-C CC logic and VBUS detection circuits against hot-plug ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp protects dual-role port controllers during plug insertion/removal. Use Value: Limits VBUS line overshoot to <22 V during ±8 kV contact ESD (IEC 61000-4-2), preserving USB PD negotiation integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA-M3/52 | Halogen-free, RoHS-compliant variant with identical electrical specs and SMB package. | No functional difference; selected when halogen-free material compliance is required for end-product environmental certification. | Choose SMBJ13CA-M3/52 for RoHS + halogen-free mandates; otherwise SMBJ13CA-E3/52 suffices for standard commercial use. |
| SMCJ13CA-E3/52 | Same VWM/VBR/VC, but in larger SMC (DO-214AB) package with 1500 W PPPM. | Higher surge rating suits higher-energy threat environments (e.g., outdoor telecom cabinets), but requires larger PCB area. | Use SMBJ13CA-E3/52 where space-constrained layouts demand SMB footprint; upgrade to SMCJ13CA-E3/52 only if >600 W surge margin is verified necessary. |
Compared with SMBJ13CA-M3/52, the SMBJ13CA-E3/52 offers identical protection performance with standard RoHS compliance; versus SMCJ13CA-E3/52, it trades 2.5× lower surge rating for 40 % smaller board area - making it optimal for compact, cost-sensitive industrial and consumer designs.
Availability
SMBJ13CA-E3/52 is available at Aetrix Electronics and suitable for industrial motor control, automotive sensor interface, and telecom power feed applications requiring stable component supply, consistent RoHS-compliant sourcing, and full traceability through Vishay's authorized channel.
Supply support for SMBJ13CA-E3/52 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, precision, and application-specific optimization.
The SMBJ series delivers standardized, high-reliability TVS protection for industrial, automotive, and telecom systems - engineered for repeatable clamping performance, JEDEC-compliant packaging, and seamless integration into automated SMT lines.
FAQ
What is the clamping voltage of SMBJ13CA-E3/52 at its rated peak pulse current?
The SMBJ13CA-E3/52 has a maximum clamping voltage (VC) of 21.5 V at its rated peak pulse current (IPPM) of 27.9 A, measured under the standardized 10/1000 µs waveform. This value defines the upper voltage limit imposed on protected circuitry during a 600 W transient event and is critical for ensuring downstream components remain within their absolute maximum ratings. The SMBJ13CA-E3/52 maintains this clamping performance bidirectionally.
Is SMBJ13CA-E3/52 suitable for automotive applications?
The SMBJ13CA-E3/52 is a commercial-grade part and not AEC-Q101 qualified. For automotive use, Vishay offers the SMBJ13CAHE3_B/H variant (AEC-Q101 qualified, RoHS-compliant). While SMBJ13CA-E3/52 shares identical electrical parameters and SMB package, its qualification status limits deployment to non-safety-critical industrial or consumer systems. Always verify qualification requirements before selecting SMBJ13CA-E3/52 for vehicle subsystems.
How does the bidirectional nature of SMBJ13CA-E3/52 affect its PCB layout?
The SMBJ13CA-E3/52 has no polarity marking and functions identically in both directions, eliminating the need for orientation-aware placement. This simplifies layout by allowing placement between any two nodes requiring symmetrical overvoltage protection - such as across differential signal pairs, AC-coupled lines, or ungrounded power rails. No cathode band alignment is required, reducing assembly error risk and enabling flexible routing in dense PCBs.
What is the thermal resistance of SMBJ13CA-E3/52, and how does it impact power dissipation?
The SMBJ13CA-E3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W and junction-to-lead (RθJL) of 20 °C/W. At 5.0 W steady-state power dissipation, RθJA implies a 500 °C rise above ambient - which exceeds its +150 °C TJ max. Thus, SMBJ13CA-E3/52 is intended for transient-only operation; continuous power must be limited to <0.15 W (150 °C / 100 °C/W) unless heatsinking is added. Its 600 W rating applies only to short-duration pulses.
Does SMBJ13CA-E3/52 meet UL safety certification requirements?
Yes, SMBJ13CA-E3/52 is Underwriters Laboratories (UL) recognized under standard UL 497B for protector classification (file E136766), covering both unidirectional and bidirectional variants. This certification validates its suitability for use in telecom, data, and low-voltage power applications where safety-agency approval is mandatory. The UL mark applies to the device itself, not just the package or process, and supports system-level compliance documentation.
SMBJ13CA-E3/52 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):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 27.9A
- 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)
SMBJ13CA-E3/52 FAQ
1.How can I place an order for SMBJ13CA-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ13CA-E3/52 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 SMBJ13CA-E3/52 reliable?
The price and inventory of SMBJ13CA-E3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ13CA-E3/52 is usually 5 days.
3.What payment methods are accepted for SMBJ13CA-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ13CA-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ13CA-E3/52?
SMBJ13CA-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ13CA-E3/52 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 SMBJ13CA-E3/52?
For technical support, including SMBJ13CA-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ13CA-E3/52 requirements.
6.How does Aetrix verify that SMBJ13CA-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMBJ13CA-E3/52 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 SMBJ13CA-E3/52 meets industry standards.
7.What is the process for return or replacement of SMBJ13CA-E3/52?
All SMBJ13CA-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ13CA-E3/52, 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 SMBJ13CA-E3/52 part is unused and in its original packaging.
Return procedure for SMBJ13CA-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ13CA-E3/52 Tags
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Diodes Incorporated
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