BAS20-7-F - DIODES Incorporated

BAS19 / BAS20 / BAS21

Document number: DS12004 Rev. 21 - 2 1 of 4

www.diodes.com November 2011

BAS19 / BAS20 / BAS21

SURFACE MOUNT FAST SWITCHING DIODE

Features

• Fast Switching Speed

• Surface Mount Package Ideally Suited for Automated Insertion

• For General Purpose Switching Applications

• High Conductance

• Lead, Halogen and Antimony Free, RoHS Compliant

“Green” Device (Notes 1 and 2)

• Qualified to AEC-Q101 Standards for High Reliability

Mechanical Data

• Case: SOT23

• Case Material: Molded Plastic. UL Flammability Classification

Rating 94V-0

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

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

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

leadframe).

• Polarity: See Diagram

• Weight: 0.008 grams (approximate)

Ordering Information (Note 3)

Part Number Qualification Case Packaging

BAS19-7-F Commercial SOT23 3,000/Tape & Reel

BAS20-7-F Commercial SOT23 3,000/Tape & Reel

BAS20-13-F Commercial SOT23 10,000/Tape & Reel

BAS20Q-13-F Automotive SOT23 10,000/Tape & Reel

BAS21-7-F Commercial SOT23 3,000/Tape & Reel

BAS21Q-7-F Automotive SOT23 3,000/Tape & Reel

BAS21-13-F Commercial SOT23 10,000/Tape & Reel

BAS21Q-13-F Automotive SOT23 10,000/Tape & Reel

Notes: 1. No purposefully added lead. Halogen and Antimony Free.

2. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date

Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.

3. For packaging details, go to our website at http://www.diodes.com.

Marking Information

Date Code Key

Year 2000 2001 2002 ….. 2009 2010 2011 2012 2013 2014 2015 2016 2017

Code L M N ….. W X Y Z A B C D E

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

Top View

SOT23

Top View

Internal Schematic

KXX = Product Type Marking Code

BAS19 Marking: KA8, KT3; KT2

BAS20 Marking: KT2, KT3

BAS21 Marking: KT3

YM = Date Code Marking

Y = Year (ex: Y = 2011)

M = Month (ex: 9 = September)

KXX

BAS19 / BAS20 / BAS21

Document number: DS12004 Rev. 21 - 2 2 of 4

www.diodes.com November 2011

BAS19 / BAS20 / BAS21

Maximum Ratings @TA = 25°C unless otherwise specified

Characteristic Symbol BAS19 BAS20 BAS21 Unit

Repetitive Peak Reverse Voltage VRRM 120 200 250 V

Working Peak Reverse Voltage

DC Blocking Voltage VRWM

VR 100 150 200 V

RMS Reverse Voltage VR

(

RMS

)

71 106 141 V

Forward Continuous Current (Note 4) IFM 400 mA

Average Rectified Output Current (Note 4) IO 200 mA

Non-Repetitive Peak Forward Surge Current @ t = 1.0

@ t = 1.0s IFSM 2.5

0.5 A

Repetitive Peak Forward Surge Current (Note 4) IFRM 625 mA

Thermal Characteristics

Characteristic Symbol Value Unit

Power Dissipation (Note 4) PD 250 mW

Thermal Resistance Junction to Ambient Air (Note 4) R

JA 500 °C/W

Operating and Storage Temperature Range TJ , TSTG -65 to +150 °C

Electrical Characteristics @TA = 25°C unless otherwise specified

Characteristic Symbol Min Max Unit Test Condition

Reverse Breakdown Voltage (Note 5) BAS19

BAS20

BAS21

V(BR)R 120

200

250 ⎯ V IR = 100μA

Forward Voltage VF ⎯ 1.0

1.25 V IF = 100mA

IF = 200mA

Reverse Current @ Rated DC Blocking Voltage (Note 5) IR ⎯ 100

15 nA

μA TJ = 25°C

TJ = 100°C

Total Capacitance CT ⎯ 5.0 pF VR = 0, f = 1.0MHz

Reverse Recovery Time trr ⎯ 50 ns IF = IR = 30mA,

Irr = 0.1 x IR, RL = 100Ω

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

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

0120

160 200

250

200

150

40 80

100

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Power Derating Curve

DISSI

N (mW)

Note 4

0.001

0.01

0.1

00.40.2 0. 6

I, I

(A)

V , INSTANTANEOUS FORWARD VOLTAGE (V)

Fig . 2 Ty pi cal Fo rward Charac t er i st ics

0.8 1.2

1.0 1.4

BAS19 / BAS20 / BAS21

Document number: DS12004 Rev. 21 - 2 3 of 4

www.diodes.com November 2011

BAS19 / BAS20 / BAS21

0.0001

0.01

0.001

0.1

100

050100 200150 250

V , INSTANT A NEOUS REVERSE VOLTAGE (V)

Fig. 3 Typical Reverse Characteristics

I , INSTANTANEOUS REVERSE VOLTAGE ( A)

0.0

0.5

1.0

1.5

3.5

3.0

2.5

2.0

4.0

010 20 4030

E (p

)

V , DC REVERSE VOL TAGE (V)

Fig. 4 Total Capacitance vs. Reverse Voltage

Package Outline Dimensions

Suggested Pad Layout

SOT23

Dim Min Max Typ

A 0.37 0.51 0.40

B 1.20 1.40 1.30

C 2.30 2.50 2.40

D 0.89 1.03 0.915

F 0.45 0.60 0.535

G 1.78 2.05 1.83

H 2.80 3.00 2.90

J 0.013 0.10 0.05

K 0.903 1.10 1.00

K1 - - 0.400

L 0.45 0.61 0.55

M 0.085 0.18 0.11

α 0° 8° -

All Dimensions in mm

Dimensions Value (in mm)

Z 2.9

X 0.8

Y 0.9

C 2.0

E 1.35

X E

BAS19 / BAS20 / BAS21

Document number: DS12004 Rev. 21 - 2 4 of 4

www.diodes.com November 2011

BAS19 / BAS20 / BAS21

IMPORTANT NOTICE

DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,

INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).

Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes

without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the

application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or

trademark rights, nor the rights of others. Any Customer or user of this document or products described herein 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 Diodes Incorporated

website, harmless against all damages.

Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.

Should Customers purchase or use Diodes Incorporated p roducts for any unintended or una uthorized application, Customers shall indemnify and

hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or

indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.

Products described herein may be covered by one or more United States, international or foreign p atents pending. Product names and markings

noted herein may also be covered by one or more United States, international or foreign trademarks.

LIFE SUPPORT

Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express

written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:

A. Life support devices or systems are devices or systems which:

1. are intended to implant into the body, or

2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the

labeling can be reasonably expected to result in significant injury to the user.

B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the

failure of the life support device or to affect its safety or effectiveness.

Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and

acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their pro ducts and an y

use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related

information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its

representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.