Description

This bipolar junction transistor (BJT) is designed to meet the stringent requirements of automotive applications.

Feature(s)

BVCEO > 60V
IC = 6A High Continuous Collector Current
ICM = 20A Peak Pulse Current
Low Saturation Voltage VCE(sat) < 60mV @ 1A
RSAT = 35mΩ for a Low Equivalent On-Resistance
hFE Specified up to 10A for High Gain Hold-Up
Complementary PNP Type: ZX5T951GQ
Lead-Free Finish; RoHS Compliant
Halogen- and Antimony-Free. “Green” Device
The ZX5T851GQ 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/

Application(s)

Emergency Lighting Circuits
MOSFET & IGBT Gate Drivers
Solenoid, Relay and Actuator Drivers
DC Modules
Motor Control

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP)	Automotive
Category	Low Saturation Transistor
Polarity	NPN
VCEO, VCES (V)	60
IC (A)	6
ICM (A)	20
PD (W)	3
hFE (Min)	100
hFE (@ IC) (A)	0.01
h_FE(Min 2)	55
hFE (@ IC2) (A)	5
VCE(sat) Max (mV)	30
V_CE(SAT) (@ IC/IB) (A/mA)	0.1/5
VCE(sat) (Max.2) (mV)	135
VCE(sat) (@ IC/IB2) (A/mA)	2/50
fT (MHz)	130

Technical Documents

SPICE Model

ZX5T851GQ.spice.txt

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

RoHSFile

Purchase & Availability

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

ZX5T851GQ