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Vishay General Semiconductor - Diodes Division SMBJ58-E3/5B
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- Part No.:
- SMBJ58-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ58-E3/5B.pdf
- Description:
- TVS DIODE 58VWM 103VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,603
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Product details
Overview
SMBJ58-E3/5B from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on power and signal lines. It features a 58 V stand-off voltage (VWM), 64.4–71.2 V breakdown voltage (VBR) at 1 mA, 93.6 V maximum clamping voltage (VC) at 6.4 A peak pulse current, and 600 W peak pulse power dissipation with 10/1000 µs waveform - used to protect MOSFETs, ICs, and sensor interfaces in industrial power supplies and telecom line cards.
For engineers reviewing the SMBJ58-E3/5B datasheet, SMBJ58-E3/5B pinout, SMBJ58-E3/5B application, or SMBJ58-E3/5B equivalent, key selection criteria include unidirectional polarity, 1.0 µA max reverse leakage at VWM, 150 °C max junction temperature, and RoHS-compliant matte tin-plated leads suitable for automated SMT assembly.
Technical Context
This TVS diode operates as a voltage-clamping protection device that enters avalanche conduction when transient voltage exceeds its breakdown threshold. Its low incremental surge resistance and fast response time (<1 ns) enable effective suppression of ESD, lightning-induced surges, and inductive switching spikes on DC rails and low-speed signal paths.
The SMBJ58-E3/5B uses a glass-passivated silicon junction housed in an SMB (DO-214AA) thermally optimized package with 100 °C/W junction-to-ambient thermal resistance. It is rated for repetitive 0.01% duty cycle pulses and meets MSL level 1 per J-STD-020 with 260 °C peak reflow profile compatibility.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 58 V - maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 64.4 V / 71.2 V at 1 mA - guaranteed avalanche onset range under standardized test conditions |
| VC @ IPPM | 93.6 V at 6.4 A - clamped voltage during 10/1000 µs surge, defining worst-case overvoltage seen by protected circuit |
| PPPM | 600 W - peak pulse power handling capability with standard 10/1000 µs waveform |
| IPPM | 6.4 A - maximum non-repetitive peak pulse current corresponding to VC = 93.6 V |
| ID @ VWM | ≤1.0 µA - reverse leakage current at rated stand-off voltage, critical for low-power standby circuits |
| TJ max | +150 °C - maximum junction temperature enabling operation in high-ambient industrial environments |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile plastic case with matte tin-plated leads; cathode indicated by band marking on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to ground or low-impedance return plane; defines reference for clamping action in unidirectional configuration |
| Cathode | Reverse-biased terminal / clamping node | Connected to protected line (e.g., +12 V rail); conducts avalanche current when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power rating | Enables robust protection against IEC 61000-4-5 Level 3 (1 kV/2 Ω) surges without derating in typical PCB layouts |
| Glass-passivated chip junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity stress |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and compatibility with standard lead-free reflow profiles up to 260 °C peak |
| RoHS-compliant, commercial grade | Meets EU RoHS Directive 2011/65/EU with no exemptions required; suitable for consumer and industrial applications |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving margin for downstream 60 V-rated components |
Applications
| Industrial Power Supply Input Protection | Automotive Body Control Module (BCM) Power Rail |
|---|---|
Use Scenario: 24 V DC input stage of programmable logic controller (PLC) power module exposed to load dump and relay coil flyback. IC Role / Device Role / Timing Role: Unidirectional TVS placed between +24 V rail and chassis ground to clamp transients before they reach DC/DC converter ICs. Use Value: Limits voltage excursion to ≤93.6 V during 6.4 A surge, preserving 100 V input-rated buck controllers and preventing latch-up in microcontrollers. | Use Scenario: 12 V battery-fed power distribution network in BCM, subject to ISO 7637-2 Pulse 1 and Pulse 2a transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp on main VBAT feed to power management IC and CAN transceivers. Use Value: Clamps 100 V/500 ms load dump events to safe levels within 1 ns, maintaining system uptime and avoiding brownout resets. |
| Telecom Line Card Surge Protection | Industrial Sensor Signal Conditioning Interface |
Use Scenario: +48 V phantom power line in VoIP gateway line card, susceptible to lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Unidirectional TVS on supply rail upstream of hot-swap controller and Ethernet PHY power sequencing circuitry. Use Value: Absorbs 600 W surge energy without failure, ensuring continuity of PoE negotiation and preventing damage to IEEE 802.3af compliant interface ICs. | Use Scenario: 24 V analog input channel of industrial I/O module connected to 4–20 mA current loop sensors in factory automation. IC Role / Device Role / Timing Role: Secondary protection device after series fuse and PTC, placed directly at connector to suppress ESD and cable discharge events. Use Value: Limits induced voltage to <94 V during ±8 kV contact ESD (IEC 61000-4-2), protecting precision op-amps and ADC front-end stages from latch-up or parametric shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ58A-M3/5B | Halogen-free, RoHS-compliant variant with identical electrical specs and SMB package | No functional difference; selected where halogen-free compliance is mandated by OEM environmental policy | Direct material substitution when halogen-free certification is required; same layout and thermal performance |
| SMCJ58A-E3/2A | Higher 1500 W PPPM, larger SMC (DO-214AB) package, 100 A IFSM, same VWM/VC ratings | Used where higher surge endurance or higher forward surge current is needed, e.g., in solar charge controller inputs | Choose when system-level surge testing exceeds 600 W requirements; requires PCB footprint change |
Compared with SMBJ58-E3/5B, the M3/5B variant offers identical protection performance with halogen-free construction, while the SMCJ58A-E3/2A provides double the pulse power rating in a larger package - enabling design flexibility for varying surge severity and board space constraints.
Availability
SMBJ58-E3/5B is available at Aetrix Electronics and suitable for industrial power supplies, automotive body control modules, telecom line cards, and sensor interface protection requiring stable component supply across multi-year production cycles.
Supply support for SMBJ58-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, efficiency, and application-specific optimization.
The SMBJ series is engineered for high-energy transient suppression in compact surface-mount form factors, targeting cost-sensitive yet robust protection needs in industrial, telecom, and automotive electronics.
FAQ
What is the breakdown voltage range of SMBJ58-E3/5B?
The SMBJ58-E3/5B has a guaranteed breakdown voltage (VBR) range of 64.4 V to 71.2 V at 1 mA test current, measured per ANSI/IEEE C62.35 standards. This range ensures consistent clamping behavior across production lots and supports reliable overvoltage margining in 58 V nominal systems. The SMBJ58-E3/5B maintains this specification across its full operating temperature range of -55 °C to +150 °C.
Is SMBJ58-E3/5B suitable for automotive applications?
The SMBJ58-E3/5B is a commercial-grade, RoHS-compliant part and is not AEC-Q101 qualified. For automotive use, Vishay offers the SMBJ58HE3_B variant (AEC-Q101 qualified, RoHS-compliant). The SMBJ58-E3/5B may be used in non-safety-critical automotive subsystems only if validated per customer qualification requirements - but SMBJ58-E3/5B itself carries no automotive qualification.
What is the maximum clamping voltage of SMBJ58-E3/5B under surge conditions?
The SMBJ58-E3/5B exhibits a maximum clamping voltage (VC) of 93.6 V at 6.4 A peak pulse current with a 10/1000 µs waveform. This value represents the worst-case voltage imposed on the protected circuit during standardized surge testing and is critical for ensuring downstream components remain within their absolute maximum ratings. The SMBJ58-E3/5B achieves this clamping performance with low dynamic impedance.
Does SMBJ58-E3/5B have bidirectional capability?
No, SMBJ58-E3/5B is a unidirectional TVS diode, indicated by the "A" suffix and cathode band marking. Bidirectional variants use the "CA" suffix (e.g., SMBJ58CA). The SMBJ58-E3/5B conducts only during reverse overvoltage events and blocks forward current above ~3.5 V; it must be oriented with cathode toward the protected line.
What packaging format does SMBJ58-E3/5B ship in?
SMBJ58-E3/5B ships in 13-inch diameter plastic tape and reel packaging, with a base quantity of 3200 units per reel (package code "5B"). This format is optimized for high-speed automated pick-and-place assembly and complies with EIA-481-D standards. The SMBJ58-E3/5B reel includes moisture barrier bagging per MSL Level 1 requirements.
SMBJ58-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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 58V
- Voltage - Breakdown (Min):
- 64.4V
- Voltage - Clamping (Max) @ Ipp:
- 103V
- Current - Peak Pulse (10/1000µs):
- 5.8A
- 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)
SMBJ58-E3/5B FAQ
1.How can I place an order for SMBJ58-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ58-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 SMBJ58-E3/5B reliable?
The price and inventory of SMBJ58-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 SMBJ58-E3/5B is usually 5 days.
3.What payment methods are accepted for SMBJ58-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ58-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ58-E3/5B?
SMBJ58-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ58-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 SMBJ58-E3/5B?
For technical support, including SMBJ58-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ58-E3/5B requirements.
6.How does Aetrix verify that SMBJ58-E3/5B is sourced from the original manufacturer or authorized distributors?
All SMBJ58-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 SMBJ58-E3/5B meets industry standards.
7.What is the process for return or replacement of SMBJ58-E3/5B?
All SMBJ58-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ58-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 SMBJ58-E3/5B part is unused and in its original packaging.
Return procedure for SMBJ58-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ58-E3/5B Tags
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