BAS70TWQ /DW-04Q

Document Number: DS40985 Rev. 2 - 2

2 of 5

www.diodes.com

March 2022

© 2022 Diodes Incorporated. All Rights Reserved.

BAS70TWQ /DW-04Q

Marking Information

Date Code Key

Year

2018

…

2022

2023

2024

2025

2026

2027

2028

2029

2030

2031

Code

F

…

J

K

L

M

N

O

P

R

S

T

Month

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Code

1

2

3

4

5

6

7

8

9

O

N

D

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

Characteristic

Symbol

Value

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

70

V

RMS Reverse Voltage

VR(RMS)

49

V

Forward Continuous Current (Note 6)

IFM

70

mA

Non-Repetitive Peak Forward Surge Current

@ t < 1.0s

IFSM

100

mA

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Thermal Resistance Junction to Ambient Air (Note 7)

RJA

625

C/W

Operating and Storage Temperature Range

TJ

TSTG

-55 to +125

-65 to +125

C

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

Characteristic

Symbol

Min

Max

Unit

Test Condition

Reverse Breakdown Voltage (Note 6)

V(BR)R

70



V

IR = 10µA

Forward Voltage

VF



410

1000

mV

mV

tp <300µs, IF = 1.0mA

tp <300µs, IF = 15mA

Reverse Current (Note 6)

IR



100

nA

tp < 300µs, VR = 50V

Total Capacitance

CT



2.0

pF

VR = 0V,

f = 1.0MHz

Reverse Recovery Time

tRR



5.0

ns

IF = IR = 10mA to IR = 1.0mA,

IRR= 0.1 x IR, RL = 100Ω

Notes:

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

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

Kxx = Product Type Marking Code

For Symmetrical Configuration, No Orientation Indicator

K73 = BAS70TWQ, K74 = BAS70DW-04Q

YM = Date Code Marking

Y = Year (ex: J = 2022)

M = Month (ex: 5 = May)