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Taiwan Semiconductor Corporation SMBJ60H
- Part No.:
- SMBJ60H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ60H.pdf
- Description:
- 600W, 74.1V, 10%, UNIDIRECTIONAL
- Quantity:
- Payment:
- Shipping:
Inventory:6,430
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Product details
Overview
SMBJ60H from Taiwan Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, rated for 600W peak pulse power, 60V working stand-off voltage (VWM), and 107V maximum clamping voltage (VC) at 5.8A peak impulse current - designed to protect automotive and industrial power rails against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the SMBJ60H datasheet, SMBJ60H pinout, SMBJ60H application, or SMBJ60H equivalent, key selection criteria include clamping performance under 10/1000µs surge, AEC-Q101 qualification for automotive use, unidirectional polarity marking, and thermal resistance (RθJA = 55°C/W) for PCB-level thermal design.
Technical Context
The SMBJ60H operates as a unidirectional avalanche diode with glass-passivated junction, enabling sub-1ps response time and low leakage (<1µA at 60V). Its breakdown voltage is specified at 66.7–81.5V (IT = 1mA), ensuring reliable triggering above system operating voltage while maintaining tight VBR tolerance.
It meets ISO 7637-2 immunity requirements for automotive electronics and supports steady-state power dissipation of 3W at 25°C ambient, with junction temperature range from –55°C to +150°C and moisture sensitivity level 1 per J-STD-020 - confirming suitability for reflow-soldered high-reliability assemblies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - Maximum continuous reverse operating voltage before clamping begins; sets upper limit for protected circuit DC rail. |
| VBR min/max | 66.7 V / 81.5 V @ IT = 1 mA - Confirms robust avalanche initiation margin above VWM; ensures consistent turn-on across production lots. |
| VC @ IPP | 107 V @ 5.8 A (10/1000µs) - Clamping voltage during worst-case surge; defines maximum stress imposed on downstream ICs. |
| PPK | 600 W - Peak pulse power handling capability; validates protection against high-energy transients like load dump or inductive kick. |
| RθJA | 55 °C/W - Junction-to-ambient thermal resistance; determines required PCB copper area and airflow for thermal management. |
| ID @ VWM | <1 µA - Reverse leakage at rated stand-off voltage; minimizes standby power loss in battery-powered systems. |
| TJ max | +150 °C - Maximum junction temperature; enables operation in under-hood automotive environments and industrial enclosures. |
Pinout & Package
DO-214AA (SMB) surface-mount package with matte tin-plated leads, cathode band marking for unidirectional polarity, and UL 94V-0 compliant molding compound. Weight: 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or low-impedance return path; forms current loop during clamping event. |
| Cathode | High-side connection point | Connected to protected line (e.g., 12V/24V rail); blocks reverse current until breakdown threshold is exceeded. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing - required for ECUs, body control modules, and ADAS sensors. |
| Glass-passivated junction | Enhances long-term stability and reduces parameter drift under thermal stress and humidity exposure - critical for 15+ year automotive service life. |
| Fast response time <1 ps | Clamps transients before sensitive logic or analog circuits experience overvoltage - essential for protecting CAN/LIN transceivers and microcontrollers. |
| Meets ISO 7637-2 Pulse 1/2a/2b/3a/3b | Complies with full suite of automotive transient immunity standards - eliminates need for additional external filtering in OEM-compliant designs. |
| Moisture sensitivity level 1 | Enables standard SMT reflow without baking - reduces manufacturing cost and avoids moisture-induced popcorning during assembly. |
Applications
| Automotive Power Rail Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting 12V/24V supply lines in engine control units against load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground to clamp positive-going surges only. Use Value: Limits transient voltage to ≤107V, preventing damage to MCU power domains and CAN transceivers per ISO 7637-2 Pulse 5a compliance. | Use Scenario: Safeguarding digital input channels of programmable logic controllers from field-wiring induced transients. IC Role / Device Role / Timing Role: Standoff protection device mounted at connector entry point to absorb fast EFT bursts (IEC 61000-4-4). Use Value: Withstands ≥5.8A 10/1000µs surges while maintaining <1µA leakage - preserves signal integrity and prevents false triggering. |
| LED Lighting Driver Protection | Telecom Power Supply Input |
Use Scenario: Shielding constant-current LED drivers from inductive switching spikes generated by relay coils or solenoids. IC Role / Device Role / Timing Role: Transient suppression element placed across driver input terminals to shunt energy away from controller ICs. Use Value: 600W peak power rating absorbs repetitive 8.3ms half-sine surges up to 100A IFSM - extends driver lifetime in commercial lighting fixtures. | Use Scenario: Front-end protection for AC/DC power supplies in telecom base station equipment exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Primary-stage TVS on DC input bus to limit voltage overshoot during differential-mode surge events. Use Value: 107V clamping voltage ensures downstream DC-DC converters remain within absolute maximum ratings during 1kV/0.5kA surge tests. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ60A | Lower VBR range (66.7–73.7V vs. 66.7–81.5V); tighter breakdown tolerance | Better suited for precision-clamping applications where lower VC spread is required | Select SMBJ60A when tighter VBR consistency is needed; SMBJ60H offers broader surge margin due to higher VBR max. |
| SMCJ60H | Larger DO-214AB (SMC) package; higher PPK = 1500W; RθJA = 35°C/W | Used where higher energy absorption or improved thermal performance is required | Choose SMCJ60H only if board space allows larger footprint and 1500W surge capacity is necessary; SMBJ60H fits compact SMB layouts. |
Compared with SMBJ60A and SMCJ60H, the SMBJ60H balances compact DO-214AA packaging, AEC-Q101 qualification, and 600W surge capability - making it optimal for space-constrained automotive and industrial modules requiring validated reliability without over-engineering.
Availability
SMBJ60H is available at Aetrix Electronics and suitable for automotive ECUs, industrial PLC I/O modules, LED driver power stages, and telecom power supply inputs requiring stable component supply across multi-year production cycles.
Supply support for SMBJ60H 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs - headquartered in Hsinchu, Taiwan.
The SMBJH series was developed specifically for AEC-Q101-compliant automotive transient suppression, emphasizing robustness against ISO 7637-2 pulses, low leakage, and high-volume SMT manufacturability in DO-214AA packages.
FAQ
What is the clamping voltage of SMBJ60H under a 10/1000µs surge?
The SMBJ60H has a maximum clamping voltage (VC) of 107 V when subjected to a 5.8 A peak impulse current with a 10/1000µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during standardized surge events - critical for ensuring downstream ICs remain within their absolute maximum ratings.
Is SMBJ60H suitable for automotive applications?
Yes, SMBJ60H is AEC-Q101 qualified and explicitly tested to meet ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b transient immunity requirements. Its DO-214AA package, glass-passivated junction, and –55°C to +150°C operating range make SMBJ60H appropriate for engine control units, body electronics, and ADAS sensor modules in passenger and commercial vehicles.
What is the difference between SMBJ60H and SMBJ60AH?
SMBJ60AH features a tighter breakdown voltage range (66.7–73.7 V) compared to SMBJ60H (66.7–81.5 V), resulting in lower typical clamping voltage and reduced VC variation. Both share identical VWM (60 V), PPK (600 W), and package (DO-214AA), but SMBJ60AH is preferred where precise clamping consistency is required - while SMBJ60H offers broader surge margin tolerance.
Does SMBJ60H have polarity marking, and how is it oriented?
Yes, SMBJ60H is unidirectional and marked with a cathode band on the DO-214AA body. The banded end connects to the protected line (e.g., 12V rail), while the unmarked end connects to ground. This orientation ensures forward conduction only during positive transients - preventing unintended conduction during normal operation and minimizing leakage current.
What is the thermal resistance of SMBJ60H, and how does it affect PCB layout?
SMBJ60H has a junction-to-ambient thermal resistance (RθJA) of 55°C/W. This value assumes standard JEDEC 2-layer test board conditions; actual thermal performance depends on PCB copper area, via count, and airflow. To maintain TJ ≤ 150°C under 3W steady-state dissipation, designers should allocate ≥100 mm² of 2-oz copper pour connected to both terminals with ≥4 thermal vias per pad.
SMBJ60H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AA, SMB
- Series:
- SMBJH
- 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:
- 107V
- Current - Peak Pulse (10/1000µs):
- 5.8A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMBJ60H FAQ
1.How can I place an order for SMBJ60H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ60H 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 SMBJ60H reliable?
The price and inventory of SMBJ60H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ60H is usually 5 days.
3.What payment methods are accepted for SMBJ60H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ60H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ60H?
SMBJ60H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ60H 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 SMBJ60H?
For technical support, including SMBJ60H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ60H requirements.
6.How does Aetrix verify that SMBJ60H is sourced from the original manufacturer or authorized distributors?
All SMBJ60H 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 SMBJ60H meets industry standards.
7.What is the process for return or replacement of SMBJ60H?
All SMBJ60H units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ60H, 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 SMBJ60H part is unused and in its original packaging.
Return procedure for SMBJ60H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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