Overview
The SMF12CT1G is an ESD Protection Diode Array produced by onsemi, designed to provide transient voltage protection in various electronic devices. This component is part of a family of surge protection arrays that protect multiple lines from over-voltage and ESD events. The SMF12CT1G features a monolithic common anode design, encapsulated in a compact SC−88 package, making it suitable for a wide range of applications including handheld portable devices, networking and telecom equipment, automotive electronics, and computer peripherals.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Reverse Working Voltage | VRWM | 12 | V | |||
| Breakdown Voltage | VBR | IT = 1 mA | 13.3 | 15 | V | |
| Reverse Leakage Current | IR | VRWM = 12 V | 0.01 | 0.1 | μA | |
| Clamping Voltage | VC | IPP = 3 A (8 x 20 μs Waveform) | 21 | V | ||
| Clamping Voltage | VC | IPP = 6 A (8 x 20 μs Waveform) | 23 | V | ||
| Maximum Peak Pulse Current | IPP | 8 x 20 μs Waveform | 6.0 | A | ||
| Capacitance | CJ | VR = 0 V, f = 1 MHz (Line to GND) | 40 | 60 | pF | |
| Peak Power Dissipation | PPK | 8 x 20 μs Double Exponential Waveform | 100 | W | ||
| Operating Junction Temperature Range | TJ | -40 | 125 | °C | ||
| Storage Temperature Range | TSTG | -55 | 150 | °C | ||
| Lead Solder Temperature (10 s) | TL | 260 | °C | |||
| ESD Rating (Human Body Model) | 8 kV | |||||
| ESD Rating (Machine Model) | 400 V |
Key Features
- Protects up to 5 lines in a single SC−88 package.
- Peak power dissipation of 100 W (8 x 20 μs waveform).
- ESD rating of Class 3B (exceeding 8 kV) per Human Body Model and Class C (exceeding 400 V) per Machine Model.
- Compliance with IEC 61000−4−2 (ESD) 15 kV (Air), 8 kV (Contact).
- Flammability rating of UL 94 V−0.
- SZ prefix for automotive and other applications requiring unique site and control change requirements; AEC−Q101 qualified and PPAP capable.
- Pb−Free packages available.
Applications
- Hand−held portable applications.
- Networking and telecom equipment.
- Automotive electronics.
- Serial and parallel ports.
- Notebooks, desktops, servers.
Q & A
- What is the primary function of the SMF12CT1G?
The SMF12CT1G is designed to provide transient voltage protection and ESD protection for electronic devices. - What is the package type of the SMF12CT1G?
The SMF12CT1G is packaged in a SC−88 package. - What is the peak power dissipation of the SMF12CT1G?
The peak power dissipation is 100 W (8 x 20 μs waveform). - What are the ESD ratings for the SMF12CT1G?
The ESD ratings are Class 3B (exceeding 8 kV) per Human Body Model and Class C (exceeding 400 V) per Machine Model. - Is the SMF12CT1G compliant with any specific ESD standards?
Yes, it is compliant with IEC 61000−4−2 (ESD) 15 kV (Air), 8 kV (Contact). - What is the flammability rating of the SMF12CT1G?
The flammability rating is UL 94 V−0. - Are Pb−Free packages available for the SMF12CT1G?
Yes, Pb−Free packages are available. - What are some common applications for the SMF12CT1G?
Common applications include handheld portable devices, networking and telecom equipment, automotive electronics, and computer peripherals. - What is the operating junction temperature range for the SMF12CT1G?
The operating junction temperature range is −40°C to 125°C. - What is the storage temperature range for the SMF12CT1G?
The storage temperature range is −55°C to 150°C.
