Diodes BAS521 Manual do Utilizador descarregar pdf (Página 2)

BAS521

Document number: DS32175 Rev. 5 - 2

2 of 4

www.diodes.com

December 2012

BAS521

Maximum Ratings (@T

= +25°C, unless otherwise specified.)

Characteristic Symbol Value Unit

Repetitive Peak Reverse Voltage

RRM

300 V

Working Peak Reverse Voltage

DC Blocking Voltage

RWM

300 V

Forward Current (Note 6)

250 mA

Non-Repetitive Peak Forward Surge Current @ t = 1.0µs

FSM

4.5 A

Repetitive Peak Forward Current (Note 6)

FRM

1 A

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 6)

325 mW

Thermal Resistance Junction to Ambient Air (Note 6)

385

°C/W

Operating and Storage Temperature Range

, T

STG

-65 to +150

°C

Electrical Characteristics (@T

= +25°C, unless otherwise specified.)

Characteristic Symbol Min Max Unit Test Condition

Reverse Breakdown Voltage (Note 7)

(

)

300

⎯

= 100μA

Forward Voltage

⎯

1.1 V

= 100mA

Reverse Current (Note 7)

⎯

150

100

μA

= 5V

= 250V

= 250V, T

= +150°C

Total Capacitance

⎯

5 pF

= 0, f = 1.0MHz

Reverse Recovery Time

⎯

50 ns

= I

= 30mA,

= 0.1 x I

, R

= 100Ω

Notes: 6. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com.

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

125 175

350

100

200

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Power Derating Curve, Total Package

DISSI

N (mW)

100

50 75

150

250

300

Note 6

0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8

V , INSTANTANEOUS FORWARD VOLTAGE (V)

Fig. 2 Typical Forward Characteristics, Per Element

0.1

100

1,000

I, I

(mA)

1 2 3 4

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