B520CQ - B560CQ

Document number: DS38595 Rev. 1 - 2

2 of 5

www.diodes.com

January 2016

© Diodes Incorporated

B520CQ - B560CQ

Single phase, half wave, 60Hz, resistive or inductive load.

For capacitance load, derate current by 20%.

Characteristic

Symbol

B520C

B530C

B540C

B550C

B560C

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

20

30

40

50

60

V

RMS Reverse Voltage

14

21

28

35

42

V

Average Rectified Output Current

5.0

A

Non-Repetitive Peak Forward Surge Current, 8.3ms

Single Half-Sine-Wave Superimposed on Rated Load

100

A

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Thermal Resistance, Junction to Terminal

10

°C/W

Thermal Resistance, Junction to Ambient (Note 6)

50

°C/W

Operating Temperature Range

-55 to +150

°C

Storage Temperature Range

-55 to +150

°C

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

Forward Voltage Drop

B520C, B530C, B540C

B550C, B560C

—

—

0.475

0.575

0.55

0.70

V

Leakage Current (Note 7)

—

—

—

—

0.5

20

mA

Total Capacitance

—

—

300

pF

Notes:

6. Thermal Resistance: Junction to ambient, unit mounted on PC board with 8.0 mm

7. Short duration pulse test used to minimize self-heating effect.

0.01

0.1

1

10

100

0.2

0.4

0.6

0.8

1.0

Figure 1 Typical Forward Characteristics (B520C - B540C)

V , INSTANTANEOUS FORWARD VOLTAGE (V)

F

T = 25°C

A

T = -55°C

A

T = 85°C

A

T = 100°C

A

T = 125°C

A

T = 150°C

A

0.001

0.01

0.1

1

10

100

20

40

60

80

100

Figure 2 Typical Reverse Characteristics (B520C - B540C)

V , INSTANTANEOUS REVERSE VOLTAGE (V)

R

T = 25°C

A

T = 85°C

A

T = 125°C

A

T = 150°C

A

T = 100°C

A