Diodes BAS40T User Manual

Please click here to visit our online spice models database.

BAS40T /-04T /-05T /-06T

SURFACE MOUNT SCHOTTKY BARRIER DIODE

Features

• Low Forward Voltage Drop

• Fast Switching

• Ultra-Small Surface Mount Package

• PN Junction Guard Ring for Transient and ESD Protection

• Lead, Halogen and Antimony Free, RoHS Compliant "Green"

Device (Notes 3, 4 and 5)

Maximum Ratings @T

Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage

RMS Reverse Voltage
Forward Continuous Current (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0s

Top View BAS40T BAS40-04T BAS40-05T BAS40-06T

= 25°C unless otherwise specified

A

Characteristic Symbol Value Unit

Mechanical Data

• Case: SOT-523

• Case Material: Molded Plastic. UL Flammability Classification

Rating 94V-0

• Moisture Sensitivity: Level 1 per J-STD-020D

• Terminals: Solderable per MIL-STD-202, Method 208

• Lead Free Plating (Matte Tin Finish annealed over Alloy 42

leadframe).

• Polarity: See Diagrams Below

• Marking Information: See Page 2

• Ordering Information: See Page 2

• Weight: 0.002 grams (approximate)

V

V

V

R(RMS)

I

RRM

RWM

VR

IFM

FSM

40 V

28 V
200 mA
600 mA

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient (Note 1)
Operating Temperature Range
Storage Temperature Range

Electrical Characteristics @T

Characteristic Symbol Min Max Unit Test Condition

Reverse Breakdown Voltage (Note 2)
Forward Voltage
Leakage Current (Note 2)

Total Capacitance
Reverse Recovery Time

Notes: 1. Device mounted on FR-4 PC board with recommended pad layout, which can be found on our website at

5. Product manufactured with Green Molding Compound and does not contain Halogens or Sb

BAS40T /-04T /-05T /-06T

Document number: DS30265 Rev. 13 - 2

http://www.diodes.com/datasheets/ap02001.pdf.

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

3. No purposefully added lead. Halogen and Antimony Free.

4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.

= 25°C unless otherwise specified

A

PD

R

JA

θ

TJ

T

STG

V

(BR)R

VF ⎯

IR ⎯

CT ⎯

trr ⎯

1 of 3

www.diodes.com

150 mW

-55 to +125

-65 to +150

⎯

833

V

IR = 10μA
IF = 1.0mA, tp < 300μs

mV
mV

IF = 40mA, tp < 300μs
VR = 30V
VR = 0, f = 1.0MHz
IF = IR = 10mA,
I

= 0.1 x IR, RL = 100Ω

rr

40

380

1000

200 nA

5.0 pF

5.0 ns

Fire Retardants.

2O3

°C/W

°C
°C

July 2008

© Diodes Incorporated

TANT

O

US FORWARD CUR

RENT

TANT

O

US R

R

CUR

R

T

P, P

OWER

PATIO

C, TOT

CAPACITANC

F

Y

BAS40T /-04T /-05T /-06T

(A)

ANE

0.001

F

I, INS

0.0001

)

E (p

1

0.1

0.01

0

V , INSTANT ANEOUS FORWARD VOLTAGE (V)

F

Fig. 1 Typical Forward Characteristics

3

0.40.2

0.6

0.8

1.0

10,000

(nA)
EN

1,000

SE

EVE

ANE

R

I, INS

200

150

N (mW)

100

10

1

0.1
0

V , INSTANT ANEOUS REVERSE VOLTAGE (V)

10 20 30 40

R

Fig. 2 Typical Reverse Characteristics

2

100

DISSI

AL

1

T

0

0

10

V , DC REVERSE VOLTAGE (V)

R

Fig. 3 Total Capacitance vs. Reverse Voltage

20

4030

50

D

0

0

40 80

T , AMBIENT TEMPERATURE (ºC)

A

Fig. 4 Power Derating Curve, T o tal Package

120

160 200

Ordering Information (Note 6)

Part Number Case Packaging

BAS40T-7-F SOT-523 3000/Tape & Reel
BAS40-04T-7-F SOT-523 3000/Tape & Reel
BAS40-05T-7-F SOT-523 3000/Tape & Reel
BAS40-06T-7-F SOT-523 3000/Tape & Reel

Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Marking Information

xx

M

Date Code Key

Year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

Code M N P R S T U V W X Y Z A B C

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

BAS40T /-04T /-05T /-06T

Document number: DS30265 Rev. 13 - 2

xx = Product Type Marking Code
43 = BAS40T
44 = BAS40-04T
45 = BAS40-05T
46 = BAS40-06T
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)

2 of 3

www.diodes.com

July 2008

© Diodes Incorporated

BAS40T /-04T /-05T /-06T

Package Outline Dimensions

K

J

A

Dim Min Max Typ

C

B

G
H

N

D

L

M

SOT-523

A 0.15 0.30 0.22
B 0.75 0.85 0.80
C 1.45 1.75 1.60
D

⎯ ⎯

G 0.90 1.10 1.00
H 1.50 1.70 1.60
J 0.00 0.10 0.05
K 0.60 0.80 0.75
L 0.10 0.30 0.22
M 0.10 0.20 0.12
N 0.45 0.65 0.50

0° 8°

All Dimensions in mm

0.50

⎯ α

Suggested Pad Layout

Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.

Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.

Y

Z

X E

C

IMPORTANT NOTICE

LIFE SUPPORT

Dimensions Value (in mm)

Z 1.8
X 0.4
Y 0.51
C 1.3
E 0.7

BAS40T /-04T /-05T /-06T

Document number: DS30265 Rev. 13 - 2

3 of 3

www.diodes.com

July 2008

© Diodes Incorporated