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Taiwan Semiconductor Corporation 1.5SMC100H
- Part No.:
- 1.5SMC100H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC100H.pdf
- Description:
- 1500W, 100V, 10%, UNIDIRECTIONAL
- Quantity:
- Payment:
- Shipping:
Inventory:6,016
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Product details
Overview
1.5SMC100H from Taiwan Semiconductor is a unidirectional 1500W surface-mount transient voltage suppressor (TVS) diode with a 100V breakdown voltage range (90–110V), 81.0V working stand-off voltage, and 144V maximum clamping voltage at 10.9A peak impulse current. It features glass passivated junction, AEC-Q101 qualification, and ISO 7637-2 compliance for automotive load-dump and pulse immunity in power-line protection.
For engineers reviewing the 1.5SMC100H datasheet, 1.5SMC100H pinout, 1.5SMC100H application, or 1.5SMC100H equivalent, key selection criteria include its 144V clamping performance at 10.9A, 5.0V forward voltage at 50A surge, DO-214AB (SMC) package compatibility, and suitability for 12V/24V automotive power rail ESD and surge suppression.
Technical Context
The 1.5SMC100H operates as a unidirectional avalanche diode, leveraging a single-die glass-passivated junction to achieve sub-1ps response time and <1μA leakage above 10V. Its thermal design supports 150°C max junction temperature with 15°C/W junction-to-case resistance, enabling robust operation under repetitive transients when mounted on adequate copper area.
It meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b waveforms and is rated for 200A non-repetitive forward surge (IFSM) - critical for protecting downstream DC-DC converters and microcontrollers in vehicle battery circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR min/max | 90 V / 110 V - guaranteed avalanche conduction onset within this range at 1mA test current |
| VWM | 81.0 V - maximum continuous reverse voltage before significant leakage; sets system operating margin |
| VC @ IPPM | 144 V at 10.9 A - clamped voltage during 10/1000μs surge; defines protected circuit's peak stress level |
| PPK | 1500 W - peak pulse power handling per 1ms waveform; determines survivability against high-energy transients |
| VF @ 50A | 5.0 V - forward voltage under 50A surge; impacts conduction loss and thermal stress during bidirectional fault events |
| IR @ VWM | ≤1 μA - ultra-low leakage ensures minimal standby power loss in always-on automotive modules |
| TJ max | 150 °C - maximum junction temperature rating; enables use in under-hood environments without derating |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, unidirectional configuration with cathode band marking. Matte tin-plated leads, J-STD-002 solderable, UL 94V-0 molding compound, 0.210g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input/Line side terminal | Connected to protected line (e.g., battery rail); conducts surge current toward ground when clamped |
| Cathode | Output/Ground reference terminal | Connected to system ground or low-impedance return path; polarity-marked band identifies this terminal |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress requirements |
| ISO 7637-2 compliant | Withstands defined load-dump (Pulse 5a/b) and coupled transient waveforms without degradation in 12V/24V systems |
| Glass passivated junction | Ensures stable VBR over lifetime and improved moisture resistance vs. epoxy-passivated alternatives |
| Fast response time | Typically <1.0 ps - limits voltage overshoot before clamping engages, protecting sensitive ICs like CAN transceivers |
| J-STD-020 Level 1 MSL | Zero floor-life limitation - supports direct placement without baking or dry-pack handling |
Applications
| Automotive Power Rail Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Suppressing load-dump transients on 24V battery-fed ECUs in commercial vehicles. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between battery input and DC-DC converter input stage. Use Value: Clamps 144V at 10.9A to protect downstream 36V-rated regulators and microcontrollers during ISO 7637-2 Pulse 5a events. |
Use Scenario: Guarding 24V digital input channels of programmable logic controllers against field-wiring surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on channel front-end, upstream of optocoupler or Schmitt trigger. Use Value: Limits transient voltage to ≤144V within 1ps, preventing latch-up or damage to 5V logic interfaces tied to industrial sensors. |
| Telecom Power Supply Input | Medical Equipment DC Bus Protection |
Use Scenario: Safeguarding AC/DC adapter outputs feeding telecom base station backplanes. IC Role / Device Role / Timing Role: Secondary surge suppressor after MOV-based primary protection, absorbing residual energy. Use Value: Handles 1500W peak pulses without degradation, maintaining <1μA leakage to avoid loading regulated 48V distribution rails. |
Use Scenario: Protecting isolated DC bus lines in portable diagnostic devices powered from external adapters. IC Role / Device Role / Timing Role: Standoff-rated TVS on secondary-side 24V bus, ensuring no false triggering during normal operation. Use Value: 81.0V VWM provides 20% margin above nominal 24V rail while meeting IEC 60601-1 creepage/clearance requirements via SMC footprint. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ100A | Lower PPK (600W), SMB package (smaller footprint), bidirectional variant standard; 144V VC same but lower IPPM (6.5A) | Not suitable for high-energy load-dump; better for space-constrained signal-line protection | Select SMBJ100A only if system surge energy is ≤600W and PCB real estate is constrained |
| 1.5KE100A | Through-hole DO-201 package, same 100V VBR range and 144V VC, but slower response (~5ps) and higher IR (5μA) | Requires rework for SMT lines; less suitable for automated high-volume automotive assembly | Choose 1.5KE100A only for legacy through-hole designs or prototyping where reflow compatibility is not required |
Compared with SMBJ100A and 1.5KE100A, the 1.5SMC100H delivers 2.5× higher surge power handling in an AEC-Q101-qualified SMT package with superior leakage and response speed - making it the preferred choice for production automotive and industrial power-rail protection where reliability and energy absorption are critical.
Availability
1.5SMC100H is available at Aetrix Electronics and suitable for automotive ECU power inputs, industrial PLC I/O modules, telecom power supply inputs, and medical device DC bus protection requiring stable component supply across extended temperature and lifecycle demands.
Supply support for 1.5SMC100H 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 with global automotive and industrial certifications.
The 1.5SMC100H belongs to TSC's AEC-Q101-qualified SMC-family TVS portfolio, engineered specifically for high-energy transient suppression in 12V/24V/48V automotive and industrial power systems.
FAQ
What is the clamping voltage of the 1.5SMC100H and how is it measured?
The 1.5SMC100H has a maximum clamping voltage (VC) of 144 V, measured at a peak impulse current (IPPM) of 10.9 A using the standardized 10/1000 μs double-exponential surge waveform per IEC 61000-4-5. This value represents the highest voltage the 1.5SMC100H allows across its terminals during a transient event, directly defining the protection level for downstream components.
Is the 1.5SMC100H suitable for automotive applications?
Yes, the 1.5SMC100H is AEC-Q101 qualified and meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b requirements - making it explicitly designed for automotive power-line protection, including 12V/24V battery rail surge suppression in ECUs, body control modules, and ADAS subsystems.
What does the "H" suffix indicate in 1.5SMC100H?
The "H" suffix in 1.5SMC100H denotes the DO-214AB (SMC) surface-mount package and confirms unidirectional polarity. It distinguishes this variant from through-hole (e.g., 1.5KE) or bidirectional (e.g., 1.5SMC100AH) versions, and aligns with TSC's standardized ordering code for SMC-packaged TVS diodes.
How does the forward voltage VF = 5.0 V affect circuit design with the 1.5SMC100H?
The 5.0 V forward voltage of the 1.5SMC100H - specified at 50 A surge current - defines conduction loss and localized heating during high-current forward faults (e.g., reverse-battery connection). Designers must ensure PCB copper area and thermal relief accommodate this dissipation, especially in unidirectional configurations where forward conduction may occur.
What is the working stand-off voltage (VWM) of the 1.5SMC100H and why does it matter?
The 1.5SMC100H has a working stand-off voltage (VWM) of 81.0 V, meaning it remains in high-impedance blocking mode up to this DC or RMS voltage. This parameter ensures no significant leakage (<1 μA) during normal operation while providing sufficient margin below the 90–110 V breakdown range - critical for stable 24V or 48V system operation without false triggering.
1.5SMC100H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AB, SMC
- Series:
- 1.5SMC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 81V
- Voltage - Breakdown (Min):
- 90V
- Voltage - Clamping (Max) @ Ipp:
- 144V
- Current - Peak Pulse (10/1000µs):
- 10.9A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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-214AB (SMC)
1.5SMC100H FAQ
1.How can I place an order for 1.5SMC100H through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC100H 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 1.5SMC100H reliable?
The price and inventory of 1.5SMC100H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC100H is usually 5 days.
3.What payment methods are accepted for 1.5SMC100H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC100H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC100H?
1.5SMC100H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC100H 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 1.5SMC100H?
For technical support, including 1.5SMC100H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC100H requirements.
6.How does Aetrix verify that 1.5SMC100H is sourced from the original manufacturer or authorized distributors?
All 1.5SMC100H 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 1.5SMC100H meets industry standards.
7.What is the process for return or replacement of 1.5SMC100H?
All 1.5SMC100H units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC100H, 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 1.5SMC100H part is unused and in its original packaging.
Return procedure for 1.5SMC100H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC100H Tags
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