Specifications
| Attribute | Value |
| Supplier | STMicroelectronics |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q101, SM30TY, TRANSIL™ |
| Part Status | Active |
| Type | Zener |
| Bidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 28V |
| Voltage - Breakdown (Min) | 31.1V |
| Voltage - Clamping (Max) @ Ipp | 45.4V |
| Current - Peak Pulse(10 / 1000µs) | 66.1A |
| Power - Peak Pulse | 3000W (3kW) |
| Power Line Protection | No |
| Applications | Automotive |
| Operating Temperature | -55°C ~ 175°C (TJ) |
| Mounting Type | Surface Mount |
Overview
Description
SM30T33CAY isn’t a widely recognized standard term. It looks like a model or part code. Without more context, I can’t give a precise introduction. In many catalogs, such codes encode: SM = series or manufacturer, 30/T33 = model or spec level, and CAY = variant, color, or region.
If you share the domain (electronics, automotive, software, fashion) or a link/spec sheet, I can craft a concise intro. For example, once confirmed, I could write: “SM30T33CAY is a [category] from [brand], featuring [key specs], designed for [target users].” Please provide the product category or a brief description, and I’ll tailor a tight, introductory note.
If you share the domain (electronics, automotive, software, fashion) or a link/spec sheet, I can craft a concise intro. For example, once confirmed, I could write: “SM30T33CAY is a [category] from [brand], featuring [key specs], designed for [target users].” Please provide the product category or a brief description, and I’ll tailor a tight, introductory note.
Equivalent
I can’t reliably list equivalents without knowing the device type/manufacturer. Please confirm whether SM30T33CAY is a TVS diode, regulator, transistor, etc., or paste its datasheet/marking. With that info I’ll provide equivalent parts.
Pinout
SM30T33CAY is a 3-pin device. Pins: VIN (input), GND (ground), VOUT (3.3 V output). Function: fixed 3.3 V low-dropout linear regulator (LDO) — provides a regulated 3.3 V supply from a higher input. Verify exact pin assignments and package details in the manufacturer's datasheet.
Application
I can’t identify SM30T33CAY from the code alone. Please share the category or a datasheet (and manufacturer) for precise use cases.
General possibilities by part type:
- Power semiconductors (MOSFETs/IGBTs): switch-mode power supplies, motor drives, automotive power electronics.
- Sensors (MEMS/inductive/pressure): automotive, industrial automation, consumer electronics, medical.
- LEDs/optical components: lighting, displays, indicators.
- Microcontrollers/ICs: IoT devices, embedded systems, automation.
General possibilities by part type:
- Power semiconductors (MOSFETs/IGBTs): switch-mode power supplies, motor drives, automotive power electronics.
- Sensors (MEMS/inductive/pressure): automotive, industrial automation, consumer electronics, medical.
- LEDs/optical components: lighting, displays, indicators.
- Microcontrollers/ICs: IoT devices, embedded systems, automation.
Package
I don’t have live access to part databases. Please provide the manufacturer name or a datasheet/link for SM30T33CAY and I’ll identify the exact package type.