ProjectsPricingInsights

FMMT458 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

FMMT458 product

FMMT458

Transistors - Bipolar (BJT) - Single

NPNHigh VoltageSOT-23BJT

The FMMT458 is a high-voltage NPN bipolar transistor designed for applications requiring up to 400V collector-emitter voltage in a compact SOT-23 surface-mount package.

Best for

  • High-voltage switching
  • Low-power amplification
  • Compact industrial control circuits

Avoid if

  • High-current applications exceeding 225mA
  • Extreme thermal environments without heat sinking

Check before use

  • Thermal derating requirements
  • Peak current limitations

Key specifications

VCEO
400 V
IC
225 mA
Package
SOT-23

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial ControlPower Management

Datasheet

9cecb17c940ea0672d0b79acd119acf2_FMMT458.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for FMMT458: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The FMMT458 is a high-voltage NPN bipolar junction transistor (BJT) manufactured by Slkor, optimized for high-voltage switching and amplification tasks.