Description

This Bipolar Junction Transistor (BJT) is designed to meet the stringent requirements of automotive applications.

Feature(s)

BVCEO > 400V
IC = 225mA Continuous Collector Current
ICM = 500mA Peak Pulse Current
Excellent hFE Characteristics up to 100mA
Low saturation voltage VCE(sat) < 200mV @ 20mA
Complementary PNP Type: FCX558Q
Totally Lead-Free & Fully RoHS Compliant
Halogen- and Antimony-Free. “Green” Device
The FCX458Q is suitable for automotive applications
requiring specific change control; this part is AEC-Q101
qualified, PPAP capable, and manufactured in IATF16949
certified facilities.
https://www.diodes.com/quality/product-definitions/

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP)	Automotive
Category	High Voltage Transistor
Polarity	NPN
VCEO, VCES (V)	400
IC (A)	0.225
ICM (A)	0.5
PD (W)	1
hFE (Min)	100
hFE (@ IC) (A)	0.001
h_FE(Min 2)	15
hFE (@ IC2) (A)	0.1
VCE(sat) Max (mV)	200
V_CE(SAT) (@ IC/IB) (A/mA)	0.02/2
VCE(sat) (Max.2) (mV)	500
VCE(sat) (@ IC/IB2) (A/mA)	0.05/6
fT (MHz)	50

Technical Documents

SPICE Model

FCX458Q.spice.txt

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

Something went wrong with your request. Please try again later. If this problem continues, please contact Diodes support for assistance.

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2770	2025-10-30	2025-10-30	Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products

FCX458Q