BAS20-Q

High-voltage switching diode4 August 2021

Product data sheet

1. General description
High-voltage switching diode encapsulated in a small SOT23 Surface-Mounted Device (SMD)
plastic package.

2. Features and benefits
••
•
•
•
•

High switching speed: trr ≤ 50 ns
Low leakage current
Reverse voltage VR ≤ 150 V
Low capacitance: Cd ≤ 5 pF
Small SMD plastic package
Qualified according to AEC-Q101 and recommended for use in automotive applications

3. Applications••••

High-speed switching at high voltage
High-voltage general-purpose switchingVoltage clamping
Reverse polarity protection

4. Quick reference data
Table 1. Quick reference data
SymbolParameter

Conditions

MinTypMax

Unit

VRRM

repetitive peak reversevoltage--200VVR

reverse voltage--150VVF

forward voltage

IF = 100 mA; Tj = 25 °C

--

1

V

IF = 200 mA; Tj = 25 °C

--

1.25

V

VR = 150 V; Tj = 25 °C

--

100nA

VR = 150 V; Tj = 150 °C

--

100µA

IR

reverse current

BAS20-Q

Nexperia

High-voltage switching diode5. Pinning information
Table 2. Pinning information
PinSymbol
Description
1Aanode2n.c.

not connected

3K

cathodeSimplified outline

Graphic symbol

3KA

12n.c.
006aaa764

SOT23

6. Ordering information
Table 3. Ordering information
Type numberPackage
BAS20-Q

NameDescription

VersionSOT23

plastic, surface-mounted package; 3 terminals; 1.9 mmpitch; 2.9 mm x 1.3 mm x 1 mm body

SOT23

7. Marking
Table 4. Marking codes
Type number

Marking code[1]BAS20-Q

JR%[1]% = placeholder for manufacturing site code

BAS20-Q

Product data sheet

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High-voltage switching diode8. Limiting values
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
SymbolParameter

Conditions

MinMaxUnit

VRRM

repetitive peak reverse
voltage

-200

V

VR

reverse voltage

IF

forward current

continuous

-150

V

-200mA

IFSM

non-repetitive peak
forward current

tp = 1 µs; square wave; Tj(init) = 25 °C-9A

tp = 100 µs; square wave; Tj(init) = 25 °C-3A

tp = 10 ms; square wave; Tj(init) = 25 °C-

1.7

A-625mA-250mW

IFRM

repetitive peak forward
current

Ptot

total power dissipation

Tjjunction temperature-150°C

Tambambient temperature

-55

150°C

Tstg

storage temperature

-65

150°C

[1]

Tamb ≤ 25 °C[1]

Device mounted on an FR4 printed-circuit board.

9. Thermal characteristics
Table 6. Thermal characteristics
SymbolParameter
Rth(j-a)thermal resistance fromjunction to ambient

Rth(j-sp)

thermal resistance fromjunction to solder point[1]Conditions[1]MinTypMaxUnit--500

K/W

--330

K/W

Device mounted on an FR4 printed-circuit board.

BAS20-Q

Product data sheet

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BAS20-Q

Nexperia

High-voltage switching diode10. Characteristics
Table 7. Characteristics
SymbolParameterConditions

Min

TypMaxUnit

VF

IF = 100 mA; Tj = 25 °C--1V

IF = 200 mA; Tj = 25 °C

--

1.25V

VR = 150 V; Tj = 25 °C--100nA

forward voltage

IRreverse currentVR = 150 V; Tj = 150 °C

--100

µACd

diode capacitance

VR = 0 V; f = 1 MHz; Tamb = 25 °C

--5pF

trr

reverse recovery timeIF = 30 mA; IR = 30 mA; RL = 100 Ω;
IR(meas) = 3 mA; Tamb = 25 °C

--50

ns

mbg384600

mbg381

102
IR(µA)

IF(mA)(1)

400(2)

10(3)

(1)

1(2)

200
10- 100

110- 22VF (V)(1) Tj = 150 °C; typical values(2) Tj = 25 °C; typical values(3) Tj = 25 °C; maximum values
Fig. 1.

0100200Tj (°C)(1) VR = VRmax; maximum values(2) VR = VRmax; typical values
Fig. 2.

Forward current as a function of forward
voltage
mbg703

102

Reverse current as a function of junction
temperature
mbg4471.0
Cd(pF)

IFSM
(A)

0.8

10

0.6

10.4

10- 1

110102103

tp (µs)0.2

104

Based on square wave currents.
Tj(init) = 25 °C
Fig. 3.

Product data sheet

246VR (V)8f = 1 MHz
Tj = 25 °C.

Non-repetitive peak forward current as afunction of pulse duration; maximum values

BAS20-Q

0Fig. 4.

Diode capacitance as a function of reverse
voltage; typical values.

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BAS20-Q

Nexperia

High-voltage switching diodembg442

300

aaa-023895

200
VR(V)

IF(mA)

150

200

100

100

5000100

Tamb (°C)

0200

FR4 PCB, standard footprint
Fig. 5.

Fig. 6.

Maximum forward current as a function ofambient temperature; derating curve

050100150200
Tamb (°C)

Maximum continuous reverse voltage as afunction of the ambient temperature

11. Test information
trD.U.T.
RS = 50 Ω
V = VR + IF × RSIFtp

10 %t+ IFSAMPLING
OSCILLOSCOPE

trrt

Ri = 50 Ωmga881

VR(1)

90 %
input signal

output signal(1) IR = 3 mA
Fig. 7.

Reverse recovery time test circuit and waveforms

Quality information
This product has been qualified in accordance with the Automotive Electronics Council (AEC)
standard Q101 - Stress test qualification for discrete semiconductors, and is suitable for use inautomotive applications.

BAS20-QProduct data sheet

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BAS20-Q

Nexperia

High-voltage switching diode12. Package outline
Plastic surface-mounted package; 3 leads

SOT23

B

DAEX

HEv

A

3Q
A
A1
1

c2
e1

bpw

B

Lpe

detail X

0

12 mm

scale

Dimensions (mm are the original dimensions)UnitmmmaxnomminAA1

bpcDE

1.1

0.1

0.48 0.15

3.0

1.4

0.38 0.09

2.8

1.20.9ee1

1.90.95

HELp

Q

2.5

0.45 0.55

2.1

0.15 0.45v

w

0.20.1

sot023_po

OutlineversionReferences
IECSOT23

Fig. 8.

JEDEC

JEITA

Europeanprojection

Issue date
14-06-19
14-09-22

TO-236AB

Package outline SOT23

BAS20-Q

Product data sheet

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BAS20-Q

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High-voltage switching diode13. Soldering
3.3
2.9
1.9

solder lands

3solder resist

21.7

solder paste
occupied area

0.6
(3×)

0.7(3×)

Dimensions in mm

0.5(3×)0.6(3×)1Fig. 9.

sot023_fr

Reflow soldering footprint for SOT23
2.2
1.2(2×)1.4(2×)solder lands
4.6

solder resist

2.6

occupied area
Dimensions in mm

1.4

preferred transport direction during soldering
2.8
4.5

sot023_fw

Fig. 10. Wave soldering footprint for SOT23

BAS20-Q

Product data sheet

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Nexperia

High-voltage switching diode14. Revision history
Table 8. Revision history
Data sheet ID
Release date

Data sheet status

Change notice

Supersedes

BAS20-Q v.1

Product data sheet--BAS20-Q

Product data sheet

20210804

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BAS20-Q

Nexperia

High-voltage switching diodeequipment, nor in applications where failure or malfunction of an Nexperia
product can reasonably be expected to result in personal injury, death orsevere property or environmental damage. Nexperia and its suppliers accept
no liability for inclusion and/or use of Nexperia products in such equipment orapplications and therefore such inclusion and/or use is at the customer's ownrisk.

15. Legal information
Data sheet status
Document status[1][2]

Productstatus [3]Definition

Quick reference data — The Quick reference data is an extract of theproduct data given in the Limiting values and Characteristics sections of thisdocument, and as such is not complete, exhaustive or legally binding.

Objective [short]data sheet

Development

This document contains data fromthe objective specification for
product development.

Preliminary [short]data sheet

Qualification

This document contains data fromthe preliminary specification.

Applications — Applications that are described herein for any of theseproducts are for illustrative purposes only. Nexperia makes no representation
or warranty that such applications will be suitable for the specified use
without further testing or modification.

Product [short]data sheet

Production

This document contains the productspecification.

[1]
[2]
[3]

Please consult the most recently issued document before initiating orcompleting a design.
The term 'short data sheet' is explained in section "Definitions".
The product status of device(s) described in this document may havechanged since this document was published and may differ in case ofmultiple devices. The latest product status information is available on
the internet at https://www.nexperia.com.

Definitions
Draft — The document is a draft version only. The content is still underinternal review and subject to formal approval, which may result in
modifications or additions. Nexperia does not give any representations orwarranties as to the accuracy or completeness of information included hereinand shall have no liability for the consequences of use of such information.
Short data sheet — A short data sheet is an extract from a full data sheetwith the same product type number(s) and title. A short data sheet isintended for quick reference only and should not be relied upon to containdetailed and full information. For detailed and full information see the relevant
full data sheet, which is available on request via the local Nexperia sales
office. In case of any inconsistency or conflict with the short data sheet, thefull data sheet shall prevail.
Product specification — The information and data provided in a Productdata sheet shall define the specification of the product as agreed between
Nexperia and its customer, unless Nexperia and customer have explicitly
agreed otherwise in writing. In no event however, shall an agreement bevalid in which the Nexperia product is deemed to offer functions and qualities
beyond those described in the Product data sheet.

Disclaimers
Limited warranty and liability — Information in this document is believed
to be accurate and reliable. However, Nexperia does not give any
representations or warranties, expressed or implied, as to the accuracy
or completeness of such information and shall have no liability for theconsequences of use of such information. Nexperia takes no responsibility
for the content in this document if provided by an information source outsideof Nexperia.
In no event shall Nexperia be liable for any indirect, incidental, punitive,special or consequential damages (including - without limitation - lostprofits, lost savings, business interruption, costs related to the removalor replacement of any products or rework charges) whether or not suchdamages are based on tort (including negligence), warranty, breach ofcontract or any other legal theory.

Customers are responsible for the design and operation of their applications
and products using Nexperia products, and Nexperia accepts no liability forany assistance with applications or customer product design. It is customer’ssole responsibility to determine whether the Nexperia product is suitableand fit for the customer’s applications and products planned, as well as
for the planned application and use of customer’s third party customer(s).
Customers should provide appropriate design and operating safeguards tominimize the risks associated with their applications and products.
Nexperia does not accept any liability related to any default, damage, costs
or problem which is based on any weakness or default in the customer’s
applications or products, or the application or use by customer’s third party
customer(s). Customer is responsible for doing all necessary testing for thecustomer’s applications and products using Nexperia products in order toavoid a default of the applications and the products or of the application oruse by customer’s third party customer(s). Nexperia does not accept anyliability in this respect.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above thosegiven in the Recommended operating conditions section (if present) or theCharacteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affectthe quality and reliability of the device.
Terms and conditions of commercial sale — Nexperia products are
sold subject to the general terms and conditions of commercial sale, as
published at http://www.nexperia.com/profile/terms, unless otherwise agreed
in a valid written individual agreement. In case an individual agreement isconcluded only the terms and conditions of the respective agreement shallapply. Nexperia hereby expressly objects to applying the customer’s generalterms and conditions with regard to the purchase of Nexperia products bycustomer.
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or construed as an offer to sell products that is open for acceptance or thegrant, conveyance or implication of any license under any copyrights, patents
or other industrial or intellectual property rights.
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a priorauthorization from competent authorities.
Translations — A non-English (translated) version of a document is forreference only. The English version shall prevail in case of any discrepancy
between the translated and English versions.

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Notwithstanding any damages that customer might incur for any reason
whatsoever, Nexperia’s aggregate and cumulative liability towards customer
for the products described herein shall be limited in accordance with theTerms and conditions of commercial sale of Nexperia.
Right to make changes — Nexperia reserves the right to make changes
to information published in this document, including without limitation
specifications and product descriptions, at any time and without notice. This
document supersedes and replaces all information supplied prior to thepublication hereof.
Suitability for use in automotive applications — This Nexperia producthas been qualified for use in automotive applications. Unless otherwise
agreed in writing, the product is not designed, authorized or warranted tobe suitable for use in life support, life-critical or safety-critical systems or

BAS20-Q

Product data sheet

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Nexperia

High-voltage switching diodeContents
1. General description...................................................... 1
2. Features and benefits.................................................. 1
3. Applications.................................................................. 1
4. Quick reference data....................................................1
5. Pinning information......................................................2
6. Ordering information....................................................2
7. Marking.......................................................................... 2
8. Limiting values............................................................. 3
9. Thermal characteristics............................................... 310. Characteristics............................................................ 4
11. Test information.......................................................... 512. Package outline.......................................................... 6
13. Soldering..................................................................... 7
14. Revision history..........................................................815. Legal information........................................................9© Nexperia B.V. 2021. All rights reserved

For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release: 4 August 2021

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