FCX558

2 of 6

www.diodes.com

November 2012

© Diodes Incorporated

FCX558

A Product Line of

Diodes Incorporated

Characteristic

Symbol

Limit

Unit

Collector-Base Voltage

-400

V

Collector-Emitter Voltage

-400

V

Emitter-Base Voltage

-7

V

Continuous Collector Current

-200

mA

Peak Pulse Current

-500

mA

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Power Dissipation (Note 5)

1

W

Thermal Resistance, Junction to Ambient Air (Note 5)

125

°C/W

Thermal Resistance, Junction to Leads (Note 6)

10.01

°C/W

Operating and Storage Temperature Range

-65 to +150

°C

Notes:

5. For a device surface mounted on 15mm X 15mm FR4 PCB with high coverage of single sided 1 oz copper, in still air conditions; device measured when

operating in steady state condition.

6. Thermal resistance from junction to solder-point (on the exposed collector pad).

Thermal Characteristics and Derating Information

0

25

50

75

100

125

150

0.0

0.2

0.4

0.6

0.8

1.0

Derating Curve

Temperature (°C)

100µ

1m

10m 100m

1

10

100

1k

0

20

40

60

80

100

120

Transient Thermal Impedance

D=0.5

D=0.2

D=0.1

Single Pulse

D=0.05

Pulse Width (s)

100µ

1m

10m 100m

1

10

100

1k

1

10

100

Single Pulse. T

amb

=25°C

Pulse Power Dissipation

Pulse Width (s)