BAS21DWA

Document number: DS36559 Rev. 9 - 2

2 of 4

www.diodes.com

January 2018

© Diodes Incorporated

BAS21DWA

Maximum Ratings (@TA = +25°C, unless otherwise specified.)

Characteristic

Symbol

Value

Unit

Repetitive Peak Reverse Voltage

VRRM

250

V

Working Peak Reverse Voltage

DC Blocking Voltage

VRWM

VR

250

V

RMS Reverse Voltage

VR(RMS)

175

V

Forward Continuous Current (Note 6)

IF

200

mA

Peak Repetitive Forward Current (Note 6)

IFRM

625

mA

Non-Repetitive Peak Forward Surge Current

@ t = 1.0µs

IFSM

4.0

A

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Power Dissipation (Note 6)

PD

285

mW

Thermal Resistance Junction to Ambient Air (Note 6)

RθJA

435

°C/W

Operating and Storage Temperature Range

TJ , TSTG

-55 to +150

°C

Electrical Characteristics (@TA = +25°C, unless otherwise specified.)

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

Reverse Breakdown Voltage (Note 7)

V(BR)R

250





V

IR = 100µA

Forward Voltage

VF









0.90

1.05

1.3

V

IF = 20mA

IF = 100mA

IF = 200mA

Reverse Current (Note 7)

IR



30

35

100

100

nA

µA

VR = 200V

VR = 200V, TJ = +150°C

Total Capacitance

CT



0.7

5.0

pF

VR = 0V, f = 1.0MHz

Reverse Recovery Time

trr





50

ns

IF = IR = 30mA,

Irr = 3.0mA, RL = 100Ω

Notes:

6. Part mounted on FR-4 substrate with pad dimensions 1 inch x 1 inch, 2oz, copper, single-sided, PC board.

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

T , AMBIENT TEMPERATURE (°C)

Figure 1 Power Derating Curve, Total Package

A

0

50

100

150

200

250

300

350

0

25

50

75

100

125

150

Note 6

V , INSTANTANEOUS FORWARD VOLTAGE (mV)

F

Figure 2 Typical Forward Characteristics

0.001

0.01

0.1

1

10

100

1000

0

200

400

600

800

1000

1200

T = 25°C

A

T = 85°C

A

T = 125°C

A

T = 150°C

A

T = -55°C

A