ROHM QSX6 User Guide
Summary
The QSX6 is a high-performance transistor designed for reliable low-frequency amplifier and driver applications. This comprehensive manual provides crucial engineering details, including absolute maximum ratings, detailed electrical characteristics such as saturation voltage and current gain, and performance curves across various operating conditions. It is an essential resource for electronics designers building stable amplification or signal drive circuits requiring documented reliability and precision component selection.
Page 1 Text Content
Transistors
Low frequency amplifier QSX6
Application External dimensions (Unit : mm)
Low frequency amplifier Driver
Features 1) A collector current is large. 2) VCE(sat) 350m V At IC = 1A / IB = 50m A
Each lead has same dimensions
Abbreviated symbol : X06
Absolute maximum ratings (Ta=25°C) Equivalent circuit
Parameter Symbol Limits Unit (4 (5 (6
Collector-base voltage VCBO (4)(5)(6)
Collector-emitter voltage VCEO
Emitter-base voltage VEBO IC 1.5
Collector current
ICP ∗1 ∗2 m W
Power dissipation PC
Junction temperature Tj °C Range of storage temperature Tstg −55 to +150 °C ∗1 Single pulse, PW=1ms ∗2 Each Terminal Mounted on a Recommended ∗3 Mounted on a 25mm×25mm× 0.8mm Ceramic substratet
Electrical characteristics (Ta=25°C)
Parameter Symbol Min. Typ. Max. Unit Conditions
Collector-base breakdown voltage BVCBO IC=10µA Collector-emitter breakdown voltage BVCEO IC=1m A Emitter-base breakdown voltage BVEBO IE=10µA Collector cutoff current ICBO n A VCB=30V Emitter cutoff current IEBO n A VEB=6V Collector-emitter saturation voltage VCE(sat) m V IC=1A, IB=50m A DC current gain h FE VCE=2V, IC=100m A Transition frequency f T MHz VCE=2V, IE=−100m A, f=100MHz
Collector output capacitance Cob p F VCB=10V, IE=0A, f=1MHz
∗ Pulsed
Rev.A 1/2
Page Summary Contents For ROHM QSX6 User Guide
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 3 |
| File Size | 64.01 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
Can I use this transistor in life-critical systems like aerospace equipment?
No. For applications requiring extremely high reliability, such as medical or transportation equipment, you must consult a sales representative first.
What substrate size is required for mounting the device?
The device must be mounted on a 25mm x 25mm x 0.8mm Ceramic substrate to dissipate power effectively.
How much power can I safely dissipate using this component at maximum ratings?
The maximum specified power dissipation ($P_c$) is 1.25 W, provided it is mounted on the recommendation ceramic substrate.