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Vishay General Semiconductor - Diodes Division SMBJ60A-E3/52
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- Part No.:
- SMBJ60A-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ60A-E3/52.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,157
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Product details
Overview
SMBJ60A-E3/52 from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode designed for robust overvoltage protection of sensitive electronics. It features a 60 V standoff voltage (VWM), 66.7–73.7 V breakdown range at 1 mA, 96.8 V maximum clamping voltage at 6.2 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - deployed on power rails and signal lines in industrial motor drives.
For engineers reviewing the SMBJ60A-E3/52 datasheet, SMBJ60A-E3/52 pinout, SMBJ60A-E3/52 application, or SMBJ60A-E3/52 equivalent, this device is evaluated for clamping performance under fast transients, thermal derating above 25 °C, junction-to-ambient thermal resistance (100 °C/W), and compatibility with automated SMT placement on SMB (DO-214AA) footprint.
Technical Context
This unidirectional TVS operates as a voltage-clamped shunt protector: when reverse voltage exceeds VBR, it avalanches to divert surge current away from downstream circuitry. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at 60 V).
Designed for single-polarity DC systems, SMBJ60A-E3/52 exhibits 0.105 %/°C temperature coefficient of VBR, 150 °C max operating junction temperature, and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak - confirming suitability for high-reliability commercial PCB assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - maximum continuous reverse working voltage before clamping initiates; defines safe operating margin below breakdown |
| VBR (min/max) | 66.7 V / 73.7 V at 1.0 mA - verified avalanche onset range; ensures predictable turn-on across production lot and temperature |
| VC @ IPPM | 96.8 V at 6.2 A - clamping voltage during 10/1000 µs surge; limits stress on protected ICs or MOSFETs |
| PPPM | 600 W - peak pulse power handling capability; supports repetitive surges up to 0.01 % duty cycle |
| IFSM | 100 A - non-repetitive forward surge rating (8.3 ms half-sine); validates robustness against inrush or fault currents |
| RθJA | 100 °C/W - junction-to-ambient thermal resistance on standard 0.2" × 0.2" copper pads; informs thermal design margin |
| TJ max | +150 °C - maximum junction temperature; enables operation in industrial ambient up to +85 °C with appropriate derating |
Pinout & Package
Package: SMB (DO-214AA) - surface-mount plastic package with matte tin-plated leads, UL 94 V-0 rated molding compound, and polarity indicated by cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional configuration |
| Cathode | Avalanche clamping terminal | Connected to protected line (e.g., 60 V rail); band-marked end sinks surge current during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Enables protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) without external series impedance |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., inductive switch-off in solenoid drivers) |
| MSL Level 1, 260 °C peak reflow | Supports lead-free SMT assembly without moisture-related popcorning or delamination |
| RoHS-compliant, halogen-free option available | Meets environmental compliance requirements for industrial and consumer equipment sold globally |
| 150 °C max junction temperature | Allows deployment in enclosed enclosures or near heat-generating components without thermal shutdown risk |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Protection of gate drivers and microcontroller I/O against back-EMF spikes from brushed DC motors. IC Role / Device Role / Timing Role: Unidirectional shunt clamp on 12 V or 24 V supply rail and PWM signal lines. Use Value: Limits transient voltage to ≤96.8 V during 6.2 A surges, preventing latch-up or oxide breakdown in logic-level MOSFETs. |
Use Scenario: Guarding LIN bus transceivers and sensor inputs against load dump and jump-start transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 12 V battery-supplied subsystems. Use Value: Withstands 100 A surge (8.3 ms) and clamps at 96.8 V, meeting ISO 7637-2 Pulse 5a requirements when combined with upstream impedance. |
| Telecom Power Supplies | PLC Digital I/O Modules |
Use Scenario: Input-stage protection for AC/DC adapters and PoE injectors exposed to lightning-induced surges. IC Role / Device Role / Timing Role: First-line transient suppressor on secondary-side DC output rails (e.g., 48 V or 54 V). Use Value: 600 W rating handles repeated 10/1000 µs surges per ITU-T K.20/K.21, reducing need for multi-stage protection. |
Use Scenario: Shielding 24 V digital input circuits from field-wiring induced transients in factory automation. IC Role / Device Role / Timing Role: Parallel-connected TVS on each isolated input channel before optocoupler or Schmitt trigger. Use Value: 1.0 µA max leakage at 60 V ensures minimal impact on input threshold accuracy and long-term reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ60CA-E3/52 | Bidirectional variant; symmetrical VBR (66.7–73.7 V) in both polarities; no polarity marking | Required for AC-coupled or dual-polarity signal lines (e.g., RS-485, CAN bus); not suitable for DC rail clamping where polarity matters | Select SMBJ60CA-E3/52 only when protecting bidirectional signals or floating references; SMBJ60A-E3/52 remains optimal for unidirectional DC rails. |
| SMCJ60A-E3/52 | Larger SMC (DO-214AB) package; same VWM/VBR/VC, but 1500 W PPPM and 100 A IPPM | Used where higher energy absorption is needed (e.g., primary-side AC input protection); requires larger PCB footprint and thermal mass | Choose SMCJ60A-E3/52 if system-level surge testing exceeds 600 W; otherwise, SMBJ60A-E3/52 offers better board density and cost efficiency. |
Compared with SMBJ60CA-E3/52 and SMCJ60A-E3/52, SMBJ60A-E3/52 delivers optimal balance of 600 W surge handling, compact SMB footprint, and precise unidirectional clamping - making it the preferred choice for space-constrained 60 V DC rail protection without polarity ambiguity or over-engineered power margins.
Availability
SMBJ60A-E3/52 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, telecom power supplies, and PLC digital I/O modules requiring stable component supply and RoHS-compliant sourcing.
Supply support for SMBJ60A-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, power efficiency, and automotive-grade qualification.
The SMBJ series targets high-volume industrial and automotive applications demanding consistent clamping performance, AEC-Q101 qualification options, and seamless SMT integration - engineered specifically for transient immunity in harsh electromagnetic environments.
FAQ
What is the maximum clamping voltage of SMBJ60A-E3/52 under a 10/1000 µs surge?
The SMBJ60A-E3/52 has a maximum clamping voltage (VC) of 96.8 V at 6.2 A peak pulse current (IPPM) under the standardized 10/1000 µs waveform. This value is measured per Figure 1 in Vishay Document 88392 and defines the upper voltage limit imposed on protected circuitry during surge events. The SMBJ60A-E3/52 maintains this clamping performance across its specified operating temperature range.
Is SMBJ60A-E3/52 suitable for automotive applications?
SMBJ60A-E3/52 is RoHS-compliant and qualified to AEC-Q101 when ordered with HE3 or HM3 suffixes (e.g., SMBJ60AHE3). The base SMBJ60A-E3/52 is commercial-grade and not AEC-Q101 qualified; for automotive use, specify the HE3 variant. The SMBJ60A-E3/52 itself meets MSL Level 1 and 260 °C reflow, supporting robust manufacturing but lacks automotive qualification documentation unless explicitly ordered with HE3/HM3.
How does the thermal resistance of SMBJ60A-E3/52 affect its surge capability?
The SMBJ60A-E3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W on standard 0.2" × 0.2" copper pads. This value directly impacts sustained surge handling: at ambient temperatures above 25 °C, peak pulse power must be derated per Figure 2 in Document 88392. For example, at 75 °C ambient, SMBJ60A-E3/52's usable PPPM drops to ~420 W - critical for thermal-aware layout of the SMBJ60A-E3/52 in enclosed systems.
What is the reverse leakage current specification for SMBJ60A-E3/52 at its standoff voltage?
At its 60 V standoff voltage (VWM), the SMBJ60A-E3/52 exhibits a maximum reverse leakage current (ID) of 1.0 µA at 25 °C, per the Electrical Characteristics table in Vishay Document 88392. This low leakage ensures minimal power loss and avoids false triggering in high-impedance sensing circuits. Leakage increases with temperature but remains below 5 µA up to 85 °C ambient, preserving signal integrity in precision applications using SMBJ60A-E3/52.
Can SMBJ60A-E3/52 be used in bidirectional signal protection?
No - SMBJ60A-E3/52 is a unidirectional TVS diode, intended only for DC or single-polarity applications. Its cathode band marks the clamping terminal, and it conducts avalanche current only when the cathode is more positive than the anode. For bidirectional signal lines (e.g., RS-485, CAN, audio), the SMBJ60CA-E3/52 variant must be used instead. Using SMBJ60A-E3/52 on AC-coupled paths risks failure during negative half-cycles due to lack of reverse blocking capability.
SMBJ60A-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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 6.2A
- 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)
SMBJ60A-E3/52 FAQ
1.How can I place an order for SMBJ60A-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ60A-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 SMBJ60A-E3/52 reliable?
The price and inventory of SMBJ60A-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 SMBJ60A-E3/52 is usually 5 days.
3.What payment methods are accepted for SMBJ60A-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ60A-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ60A-E3/52?
SMBJ60A-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ60A-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 SMBJ60A-E3/52?
For technical support, including SMBJ60A-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ60A-E3/52 requirements.
6.How does Aetrix verify that SMBJ60A-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMBJ60A-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 SMBJ60A-E3/52 meets industry standards.
7.What is the process for return or replacement of SMBJ60A-E3/52?
All SMBJ60A-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ60A-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 SMBJ60A-E3/52 part is unused and in its original packaging.
Return procedure for SMBJ60A-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ60A-E3/52 Tags
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