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Vishay General Semiconductor - Diodes Division SMBJ58CAHM3_B/H
- Part No.:
- SMBJ58CAHM3_B/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ58CAHM3_B/H.pdf
- Description:
- 600W,58V 5%,BIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:2,844
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Product details
Overview
SMBJ58CAHM3_B/H 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 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 rating with 10/1000 µs waveform - used to protect MOSFETs, ICs, and sensor signal lines in industrial and telecom equipment.
For engineers reviewing the SMBJ58CAHM3_B/H datasheet, SMBJ58CAHM3_B/H pinout, SMBJ58CAHM3_B/H application, or SMBJ58CAHM3_B/H equivalent, key selection criteria include bidirectional transient suppression capability, low clamping ratio (VC/VBR ≈ 1.38), AEC-Q101 qualification status, halogen-free RoHS compliance (HM3 suffix), and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This device operates as a voltage-clamping protector with symmetrical avalanche breakdown in both directions, enabling protection of AC-coupled or floating signal paths without polarity sensitivity. Its glass-passivated junction ensures stable leakage performance (<1.0 µA at VWM) and fast response time (<1.0 ps), while the low incremental surge resistance supports effective energy diversion during ESD or lightning-induced surges.
The SMBJ58CAHM3_B/H is rated for 150 °C maximum junction temperature and exhibits a VBR temperature coefficient of +0.104 %/°C, indicating predictable voltage drift over temperature. Thermal resistance is 100 °C/W (junction-to-ambient, on recommended pad layout) and 20 °C/W (junction-to-lead), confirming suitability for moderate-power transient events without active cooling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 58 V - Maximum continuous reverse voltage before significant leakage; defines operating margin below clamping threshold |
| VBR (Breakdown Voltage) | 64.4–71.2 V at 1 mA - Guaranteed avalanche initiation range; ensures reliable turn-on during overvoltage events |
| VC (Clamping Voltage) | 93.6 V at IPPM = 6.4 A - Peak voltage seen by protected circuit during 10/1000 µs surge; determines stress on downstream components |
| PPPM (Peak Pulse Power) | 600 W - Energy-handling capacity for standardized 10/1000 µs transient; validates robustness against IEC 61000-4-5 Level 3/4 surges |
| IPPM (Peak Pulse Current) | 6.4 A - Maximum non-repetitive surge current supported; sets minimum trace width and PCB layout requirements |
| TJmax | 150 °C - Maximum allowable junction temperature; enables operation in under-hood or enclosed industrial enclosures |
| Package | SMB (DO-214AA) - Standardized surface-mount outline with 5.59 mm × 4.06 mm footprint and 2.20 mm height; compatible with JEDEC J-STD-020 MSL Level 1 reflow |
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 resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically in bidirectional mode; no cathode band marking; current flows either direction during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables protection of AC signals, differential buses, or ungrounded circuits without polarity constraints |
| 600 W peak pulse power (10/1000 µs) | Validates compliance with IEC 61000-4-5 surge immunity requirements for industrial and telecom infrastructure |
| AEC-Q101 qualified (HM3 suffix) | Confirms reliability for automotive electronics applications including body control modules and infotainment interfaces |
| Halogen-free, RoHS-compliant | Meets environmental compliance mandates for EU, China RoHS, and JEITA-MITI standards without compromising thermal performance |
| Low clamping ratio (VC/VBR ≈ 1.38) | Minimizes voltage overshoot during clamping, reducing risk of latch-up or gate oxide damage in protected MOSFETs and ICs |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
|
Use Scenario: Protection of gate driver signal lines against inductive kickback from relay coils and solenoid switching. IC Role / Device Role / Timing Role: Voltage clamping element placed directly at MOSFET gate input to limit transient excursions below absolute maximum ratings. Use Value: Prevents false triggering and gate oxide degradation by limiting transient voltage to ≤93.6 V during 6.4 A surge events. |
Use Scenario: Shielding LIN bus transceivers and microcontroller I/O pins from load dump and jump-start induced surges. IC Role / Device Role / Timing Role: Bidirectional TVS placed across LIN data pair (LIN_H/L) to clamp ±100 V transients without DC bias disruption. Use Value: Maintains communication integrity during ISO 7637-2 Pulse 5a events by clamping within 1.0 ps response time and surviving 150 °C under-hood temperatures. |
| Telecom Power Feeds | Consumer Sensor Interfaces |
|
Use Scenario: Safeguarding PoE-powered Ethernet PHYs and DC-DC controllers from lightning-induced common-mode surges on 48 V supply rails. IC Role / Device Role / Timing Role: Primary-level TVS mounted at board edge on DC input line, upstream of filtering and regulation stages. Use Value: Absorbs up to 600 W of surge energy without failure, enabling single-stage protection architecture and reducing BOM count. |
Use Scenario: Protecting analog outputs of MEMS pressure sensors and thermistors connected to microcontroller ADC inputs. IC Role / Device Role / Timing Role: Low-capacitance (<50 pF typical at 0 V) bidirectional suppressor placed adjacent to sensor output pin. Use Value: Limits ESD-induced voltage spikes to <93.6 V while introducing negligible signal distortion due to symmetrical clamping and minimal junction capacitance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ58CAHE3_B/H | Same electrical specs, but RoHS-compliant without halogen-free certification (E3 vs HM3); higher moisture sensitivity level (MSL 2 vs MSL 1) | Suitable for commercial-grade industrial controls where halogen-free requirement is not mandated | Select when cost optimization is prioritized and automotive qualification is unnecessary |
| SMAJ58CAHM3_A/H | Lower peak pulse power (400 W vs 600 W); same VWM, VBR, and VC; SMA (DO-214AC) package with smaller footprint (4.57 mm × 2.92 mm) | Better suited for space-constrained consumer electronics with lower surge threat profiles | Choose when board area is critical and IEC 61000-4-5 Level 3 compliance is sufficient |
Compared with SMBJ58CAHM3_B/H, the SMBJ58CAHE3_B/H offers identical clamping performance but lacks halogen-free assurance and AEC-Q101 validation, while the SMAJ58CAHM3_A/H reduces surge handling by 33 % and shrinks package size - making the SMBJ58CAHM3_B/H optimal for high-reliability automotive and industrial deployments requiring full 600 W capability and halogen-free compliance.
Availability
SMBJ58CAHM3_B/H is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, telecom power feeds, and consumer sensor interfaces requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for SMBJ58CAHM3_B/H 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, TVS devices, and optoelectronics with emphasis on reliability, efficiency, and application-specific optimization.
The SMBJ series is part of Vishay's TRANSZORB® TVS platform, engineered for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom systems where robustness and AEC-Q101 validation are mandatory.
FAQ
What is the clamping voltage of SMBJ58CAHM3_B/H at its rated peak pulse current?
The SMBJ58CAHM3_B/H has a maximum clamping voltage (VC) of 93.6 V at a peak pulse current (IPPM) of 6.4 A using the standard 10/1000 µs waveform. This value is measured under defined test conditions per ANSI/IEEE C62.35 and ensures predictable voltage limiting during surge events. The SMBJ58CAHM3_B/H maintains this clamping performance across its specified operating temperature range of -55 °C to +150 °C.
Is SMBJ58CAHM3_B/H suitable for automotive applications?
Yes, SMBJ58CAHM3_B/H is AEC-Q101 qualified (indicated by the HM3 suffix) and meets the stress testing requirements for automotive electronic components, including temperature cycling, humidity bias, and mechanical shock. Its 150 °C maximum junction temperature and halogen-free construction make it appropriate for under-hood and body control module applications. The SMBJ58CAHM3_B/H is explicitly listed in Vishay's AEC-Q101 qualified product portfolio.
How does the bidirectional design of SMBJ58CAHM3_B/H affect its circuit placement?
The SMBJ58CAHM3_B/H has no polarity marking and functions identically in both directions, allowing placement across any two nodes subject to bidirectional transients - such as differential signal pairs (e.g., RS-485, CAN), AC-coupled lines, or floating power rails. Unlike unidirectional TVS diodes, the SMBJ58CAHM3_B/H eliminates orientation errors during automated assembly and avoids DC bias complications. Its symmetrical VBR ensures matched clamping in positive and negative surge events.
What is the thermal resistance of SMBJ58CAHM3_B/H, and how does it impact PCB layout?
The SMBJ58CAHM3_B/H has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on the recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This value assumes no additional heatsinking and defines the maximum steady-state power dissipation (5.0 W) before exceeding the 150 °C junction limit. To maintain reliability during repetitive surges, designers must ensure adequate copper area and avoid excessive trace length between the SMBJ58CAHM3_B/H and ground/power planes.
Does SMBJ58CAHM3_B/H meet lead-free and halogen-free compliance standards?
Yes, the "HM3" suffix in SMBJ58CAHM3_B/H denotes halogen-free, RoHS-compliant construction per JEITA-MITI and IEC 61249-2-21 standards. All materials comply with Vishay's material categorization policy (www.vishay.com/doc?99912), and the device passes JESD 201 Class 2 whisker testing. The SMBJ58CAHM3_B/H contains no brominated flame retardants, chlorine, or fluorine above regulated thresholds, supporting environmentally aligned manufacturing and end-of-life processing.
SMBJ58CAHM3_B/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 58V
- Voltage - Breakdown (Min):
- 64.4V
- Voltage - Clamping (Max) @ Ipp:
- 93.6V
- Current - Peak Pulse (10/1000µs):
- 6.4A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMBJ58CAHM3_B/H FAQ
1.How can I place an order for SMBJ58CAHM3_B/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ58CAHM3_B/H 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 SMBJ58CAHM3_B/H reliable?
The price and inventory of SMBJ58CAHM3_B/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ58CAHM3_B/H is usually 5 days.
3.What payment methods are accepted for SMBJ58CAHM3_B/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ58CAHM3_B/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ58CAHM3_B/H?
SMBJ58CAHM3_B/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ58CAHM3_B/H 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 SMBJ58CAHM3_B/H?
For technical support, including SMBJ58CAHM3_B/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ58CAHM3_B/H requirements.
6.How does Aetrix verify that SMBJ58CAHM3_B/H is sourced from the original manufacturer or authorized distributors?
All SMBJ58CAHM3_B/H 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 SMBJ58CAHM3_B/H meets industry standards.
7.What is the process for return or replacement of SMBJ58CAHM3_B/H?
All SMBJ58CAHM3_B/H units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ58CAHM3_B/H, 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 SMBJ58CAHM3_B/H part is unused and in its original packaging.
Return procedure for SMBJ58CAHM3_B/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ58CAHM3_B/H Tags
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