Important notice
Dear Customer,
On 7 February 2017 the former NXP Standard Product business became a new company with the
tradename Nexperia. Nexperia is an industry leading supplier of Discrete, Logic and PowerMOS
semiconductors with its focus on the automotive, industrial, computing, consumer and wearable
application markets
In data sheets and application notes which still contain NXP or Philips Semiconductors references, use
the references to Nexperia, as shown below.
Instead of http://www.nxp.com, http://www.philips.com/ or http://www.semiconductors.philips.com/,
use http://www.nexperia.com
Instead of sales.addresses@www.nxp.com or sales.addresses@www.semiconductors.philips.com, use
salesaddresses@nexperia.com (email)
Replace the copyright notice at the bottom of each page or elsewhere in the document, depending on
the version, as shown below:
- © NXP N.V. (year). All rights reserved or © Koninklijke Philips Electronics N.V. (year). All rights
reserved
Should be replaced with:
- © Nexperia B.V. (year). All rights reserved.
If you have any questions related to the data sheet, please contact our nearest sales office via e-mail
or telephone (details via salesaddresses@nexperia.com). Thank you for your cooperation and
understanding,
Kind regards,
Team Nexperia
1. Product profile
1.1 General description
Two high-speed switching diodes fabricated in planar technology, and encapsulated in a
small SOT143B Surface-Mounted Device (SMD) plastic package. The diodes are not
connected.
1.2 Features and benefits
High switching speed: t
rr
4ns
Reverse voltage: V
R
75 V
Repetitive peak reverse voltage: V
RRM
85 V
Repetitive peak forward current: I
FRM
500 mA
AEC-Q101 qualified
Small SMD package
1.3 Applications
High-speed switching in e.g. surface-mounted circuits
1.4 Quick reference data
[1] Device mounted on an FR4 Printed-Circuit Board (PCB).
[2] When switched from I
F
= 10 mA to I
R
=10mA; R
L
= 100 Ω; measured at I
R
=1mA.
BAS28
High-speed double diode
Rev. 3 — 22 July 2010 Product data sheet
Table 1. Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
Per diode
I
F
forward current
[1]
--215mA
I
R
reverse current V
R
=75V - - 1 μA
V
R
reverse voltage - - 75 V
t
rr
reverse recovery time
[2]
--4ns
BAS28 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 3 — 22 July 2010 2 of 12
NXP Semiconductors
BAS28
High-speed double diode
2. Pinning information
3. Ordering information
4. Marking
[1] * = -: made in Hong Kong
* = p: made in Hong Kong
* = t: made in Malaysia
* = W: made in China
Table 2. Pinning
Pin Description Simplified outline Graphic symbol
1 cathode (diode 1)
2 cathode (diode 2)
3 anode (diode 2)
4 anode (diode 1)
21
34
006aab10
0
12
43
Table 3. Ordering information
Type number Package
Name Description Version
BAS28 - plastic surface-mounted package; 4 leads SOT143B
Table 4. Marking codes
Type number Marking code
[1]
BAS28 JT*

BAS28,235

Mfr. #:
Manufacturer:
Nexperia
Description:
Diodes - General Purpose, Power, Switching DIODE SW TAPE-11
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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