SQD300A40 SanRex - Bipolar Transistor Module

Category: Thyristor & SCR Modules

Specifications: 400V, 300A

SQD300A40 SanRex Bipolar Transistor Module

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SQD300A40 Description

SanRex makes the SQD300A40, a thyristor module. You'll find thyristors like this in soft starters, static switches, DC motor controllers and heater controls.

We help engineers and repair technicians find parts like the SQD300A40, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Target Applications

SanRex SQD300A40 is used for AC/DC power conversion and control: controlled and uncontrolled rectifiers, DC motor drives, soft starters, battery chargers, welding equipment, heater and temperature control, and AC power controllers.

Key Specifications

SQD300A40 is a 400 V, 300 A NPN Darlington power transistor module with a free-wheeling diode, from SanRex. Source: manufacturer data book (transistor modules, NPN Darlington, 1 element).

ParameterValue
Manufacturer (datasheet)SanRex
Product typeNPN Darlington power transistor module (1 element) with free-wheeling diode
Collector-base voltage VCBO400 V
Collector-emitter voltage VCEX(sus)400 V
Collector-emitter voltage VCEO(sus) min.300 V
Emitter-base voltage VEBO10 V
Collector current IC (DC / 1 ms)300 A / 600 A
Base current IB18 A
Diode forward current IF300 A
Collector power dissipation PC (Tc = 25 °C)1380 W
Junction temperature Tj150 °C
Storage temperature Tstg-40 to +125 °C
Isolation voltage2500 V AC, 1 min
DC current gain hFE min. (VCE = 2 / 5 V, IC = 300 A)75 / 100
DatasheetAvailable on this page (PDF)

Technical document (PDF)  |  Request a quote for SQD300A40 (reply within 24 hours)

Related Part Numbers

SQD300A60
600V, 300A		SQD200A40
400V, 200A		SQD200A60
600V, 200A		SQD50A90
1000(V) / 50(A)
SQD400A60S
600V, 400A		SQD40A60SSQD300AA100
1000V, 300A		SQD300AA100E
1000V, 300A
SQD300AA120
1200V, 300A		SQD300BA60
600V, 300A		SQD300H100SQD35JA140
1400V, 35A
SQD35JA160
1600V, 35A		SQD200BA60SQD200AA120
1200(V) / 200(A)		SQD200AA100
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