FMMT634

Document number: DS33115 Rev. 2 - 2

2 of 7

www.diodes.com

May 2013

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A Product Line of

Diodes Incorporated

FMMT634

Characteristic

Symbol

Value

Unit

Collector-Base Voltage

120

V

Collector-Emitter Voltage

100

V

Emitter-Base Voltage

12

V

Continuous Collector Current

900

mA

Peak Pulse Current

5

A

Characteristic

Symbol

Value

Unit

Power Dissipation (Note 6)

625

mW

Power Dissipation (Note 7)

806

mW

Thermal Resistance, Junction to Ambient (Note 6)

200

°C/W

Thermal Resistance, Junction to Ambient (Note 7)

155

°C/W

Thermal Resistance, Junction to Leads (Note 8)

194

°C/W

Operating and Storage Temperature Range

-55 to +150

°C

Notes:

6. For a device surface mounted on 25mm X 25mm FR4 PCB with high coverage of single sided 1 oz copper, in still air conditions; the device is measured

when operating in a steady-state condition.

7. Same as note 6, except the device is measured at t • 5 sec.

8. Thermal resistance from junction to solder-point (at the end of the collector lead).