BAS19L, BAS20L, BAS21L,
BAS21DW5
High Voltage
Switching Diode
Features
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• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
• S and NSV Prefixes for Automotive and Other Applications
HIGH VOLTAGE
SWITCHING DIODE
Requiring Unique Site and Control Change Requirements;
AEC−Q101 Qualified and PPAP Capable
SOT−23
MAXIMUM RATINGS
Rating
Symbol
Continuous Reverse Voltage
Value
VR
Continuous Forward Current
SC−88A
5
1
CATHODE
ANODE
VRRM
Vdc
200
IFSM
2
A
Repetitive Peak Forward Current
(Pulse Train: TON = 1 s, TOFF = 0.5 s)
IFRM
0.6
A
TJ, Tstg
−55 to +150
°C
PD
385
mW
ESD
HM < 500
V
MM < 400
V
Power Dissipation (Note 1)
Electrostatic Discharge
Stresses exceeding those listed in the Maximum Ratings table may damage the
device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
1. Mounted on FR−5 Board = 1.0 x 0.75 x 0.062 in.
3
ANODE
MARKING DIAGRAMS
mAdc
Peak Forward Surge Current
(1/2 Cycle, Sine Wave, 60 Hz)
Junction and Storage Temperature
Range
4
CATHODE
120
200
250
IF
1
ANODE
Vdc
120
200
250
BAS19
BAS20
BAS21
Repetitive Peak Reverse Voltage
BAS19
BAS20
BAS21
3
CATHODE
Unit
3
3
Jx M G
G
1
2
SOT−23 (TO−236)
CASE 318
STYLE 8
2
1
5
Jx M G
G
3
1
SC−88A (SOT−353)
CASE 419A
4
1
2
3
x
= P, R, or S
P
= BAS19L
R
= BAS20L
S
= BAS21L or BAS21DW5
M
= Date Code
G
= Pb−Free Package
(Note: Microdot may be in either location)
*Date Code orientation and/or overbar may vary
depending upon the manufacturing location.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
© Semiconductor Components Industries, LLC, 1999
November, 2016 − Rev. 18
1
Publication Order Number:
BAS19LT1/D
BAS19L, BAS20L, BAS21L, BAS21DW5
THERMAL CHARACTERISTICS (SOT−23)
Characteristic
Total Device Dissipation FR−5 Board
(Note 2)
TA = 25°C
Derate above 25°C
Thermal Resistance
Junction−to−Ambient (SOT−23)
Symbol
Max
Unit
PD
225
mW
1.8
mW/°C
556
°C/W
300
mW
2.4
mW/°C
417
°C/W
−55 to +150
°C
Symbol
Max
Unit
PD
385
mW
328
3.0
°C/W
mW/°C
TJmax
150
°C
TJ, Tstg
−55 to +150
°C
RJA
Total Device Dissipation Alumina Substrate
(Note 3)
TA = 25°C
Derate above 25°C
PD
Thermal Resistance Junction−to−Ambient
RJA
Junction and Storage
Temperature Range
TJ, Tstg
THERMAL CHARACTERISTICS (SC−88A)
Characteristic
Power Dissipation (Note 4)
Thermal Resistance −
Junction−to−Ambient
Derate Above 25°C
RJA
Maximum Junction Temperature
Operating Junction and Storage Temperature Range
2. FR−5 = 1.0
0.75
0.062 in.
3. Alumina = 0.4
0.3
0.024 in. 99.5% alumina.
4. Mounted on FR−5 Board = 1.0 x 0.75 x 0.062 in.
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Reverse Voltage Leakage Current
(VR = 100 Vdc)
(VR = 150 Vdc)
(VR = 200 Vdc)
(VR = 100 Vdc, TJ = 150°C)
(VR = 150 Vdc, TJ = 150°C)
(VR = 200 Vdc, TJ = 150°C)
BAS19
BAS20
BAS21
BAS19
BAS20
BAS21
Reverse Breakdown Voltage
(IBR = 100 Adc)
(IBR = 100 Adc)
(IBR = 100 Adc)
BAS19
BAS20
BAS21
Min
Max
−
−
−
−
−
−
0.1
0.1
0.1
100
100
100
120
200
250
−
−
−
−
−
1.0
1.25
Unit
Adc
IR
V(BR)
Vdc
Forward Voltage
(IF = 100 mAdc)
(IF = 200 mAdc)
VF
Vdc
Diode Capacitance (VR = 0, f = 1.0 MHz)
CD
−
5.0
pF
Reverse Recovery Time (IF = IR = 30 mAdc, IR(REC) = 3.0 mAdc, RL = 100)
trr
−
50
ns
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
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2
BAS19L, BAS20L, BAS21L, BAS21DW5
820
+10 V
2.0 k
IF
100 H
tr
0.1 F
tp
IF
t
trr
10%
t
0.1 F
90%
D.U.T.
50 INPUT
SAMPLING
OSCILLOSCOPE
50 OUTPUT
PULSE
GENERATOR
IR(REC) = 3.0 mA
IR
VR
OUTPUT PULSE
(IF = IR = 30 mA; MEASURED
at IR(REC) = 3.0 mA)
INPUT SIGNAL
Notes: 1. A 2.0 k variable resistor adjusted for a Forward Current (IF) of 30 mA.
Notes: 2. Input pulse is adjusted so IR(peak) is equal to 30 mA.
Notes: 3. tp » trr
Figure 1. Recovery Time Equivalent Test Circuit
10 150°C
100
IR , REVERSE CURRENT (μA)
IF, FORWARD CURRENT (mA)
150°C
125°C
85°C
10
55°C
25°C
1.0
-55°C
125°C
1.0
85°C
0.1
55°C
0.01
25°C
-40°C
0.1
0.2
0.3
0.4
0.5
0.6
0.7
VF, FORWARD VOLTAGE (V)
0.8
0.9
0.001
20
1.0
50
80
Figure 2. VF vs. IF
IFSM, FORWARD SURGE MAX CURRENT (A)
CD, DIODE CAPACITANCE (pF)
Cap
1.4
1.2
1.0
0.8
0.6
0
1
2
3
4
5
230
260
Figure 3. IR vs. VR
1.6
0.4
200
170
110
140
VR, REVERSE VOLTAGE (V)
6
7
30
Based on square wave currents
TJ = 25°C prior to surge
25
20
15
10
5
0
0.001
8
0.01
0.1
1
10
100
VR, REVERSE VOLTAGE (V)
tp, PULSE ON TIME (ms)
Figure 4. Capacitance
Figure 5. Forward Surge Current
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3
1000
BAS19L, BAS20L, BAS21L, BAS21DW5
ORDERING INFORMATION
Package
Shipping†
BAS19LT1G
SOT−23
(Pb−Free)
3000 / Tape & Reel
BAS19LT3G
SOT−23
(Pb−Free)
10000 / Tape & Reel
NSVBAS19LT1G*
SOT−23
(Pb−Free)
3000 / Tape & Reel
BAS20LT1G
SOT−23
(Pb−Free)
3000 / Tape & Reel
BAS20LT3G
SOT−23
(Pb−Free)
10000 / Tape & Reel
NSVBAS20LT3G*
SOT−23
(Pb−Free)
10000 / Tape & Reel
SBAS20LT1G*
SOT−23
(Pb−Free)
3000 / Tape & Reel
BAS21LT1G
SOT−23
(Pb−Free)
3000 / Tape & Reel
SBAS21LT1G*
SOT−23
(Pb−Free)
3000 / Tape & Reel
BAS21LT3G
SOT−23
(Pb−Free)
10000 / Tape & Reel
SBAS21LT3G*
SOT−23
(Pb−Free)
10000 / Tape & Reel
BAS21DW5T1G
SC−88A
(Pb−Free)
3000 / Tape & Reel
SBAS21DW5T1G*
SC−88A
(Pb−Free)
3000 / Tape & Reel
SBAS21DW5T3G*
SC−88A
(Pb−Free)
10000 / Tape & Reel
Device
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*S and NSV Prefixes for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified
and PPAP Capable.
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4
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
SOT−23 (TO−236)
CASE 318−08
ISSUE AS
DATE 30 JAN 2018
SCALE 4:1
D
0.25
3
E
1
2
T
HE
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH.
MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF
THE BASE MATERIAL.
4. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH,
PROTRUSIONS, OR GATE BURRS.
DIM
A
A1
b
c
D
E
e
L
L1
HE
T
L
3X b
L1
VIEW C
e
TOP VIEW
A
A1
SIDE VIEW
SEE VIEW C
c
MIN
0.89
0.01
0.37
0.08
2.80
1.20
1.78
0.30
0.35
2.10
0°
MILLIMETERS
NOM
MAX
1.00
1.11
0.06
0.10
0.44
0.50
0.14
0.20
2.90
3.04
1.30
1.40
1.90
2.04
0.43
0.55
0.54
0.69
2.40
2.64
−−−
10 °
MIN
0.035
0.000
0.015
0.003
0.110
0.047
0.070
0.012
0.014
0.083
0°
INCHES
NOM
0.039
0.002
0.017
0.006
0.114
0.051
0.075
0.017
0.021
0.094
−−−
MAX
0.044
0.004
0.020
0.008
0.120
0.055
0.080
0.022
0.027
0.104
10°
GENERIC
MARKING DIAGRAM*
END VIEW
RECOMMENDED
SOLDERING FOOTPRINT
XXXMG
G
1
3X
2.90
3X
XXX = Specific Device Code
M = Date Code
G
= Pb−Free Package
0.90
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
0.95
PITCH
0.80
DIMENSIONS: MILLIMETERS
STYLE 1 THRU 5:
CANCELLED
STYLE 6:
PIN 1. BASE
2. EMITTER
3. COLLECTOR
STYLE 7:
PIN 1. EMITTER
2. BASE
3. COLLECTOR
STYLE 9:
PIN 1. ANODE
2. ANODE
3. CATHODE
STYLE 10:
PIN 1. DRAIN
2. SOURCE
3. GATE
STYLE 11:
STYLE 12:
PIN 1. ANODE
PIN 1. CATHODE
2. CATHODE
2. CATHODE
3. CATHODE−ANODE
3. ANODE
STYLE 15:
PIN 1. GATE
2. CATHODE
3. ANODE
STYLE 16:
PIN 1. ANODE
2. CATHODE
3. CATHODE
STYLE 17:
PIN 1. NO CONNECTION
2. ANODE
3. CATHODE
STYLE 18:
STYLE 19:
STYLE 20:
PIN 1. NO CONNECTION PIN 1. CATHODE
PIN 1. CATHODE
2. CATHODE
2. ANODE
2. ANODE
3. GATE
3. ANODE
3. CATHODE−ANODE
STYLE 21:
PIN 1. GATE
2. SOURCE
3. DRAIN
STYLE 22:
PIN 1. RETURN
2. OUTPUT
3. INPUT
STYLE 23:
PIN 1. ANODE
2. ANODE
3. CATHODE
STYLE 24:
PIN 1. GATE
2. DRAIN
3. SOURCE
STYLE 27:
PIN 1. CATHODE
2. CATHODE
3. CATHODE
STYLE 28:
PIN 1. ANODE
2. ANODE
3. ANODE
DOCUMENT NUMBER:
DESCRIPTION:
98ASB42226B
SOT−23 (TO−236)
STYLE 8:
PIN 1. ANODE
2. NO CONNECTION
3. CATHODE
STYLE 13:
PIN 1. SOURCE
2. DRAIN
3. GATE
STYLE 25:
PIN 1. ANODE
2. CATHODE
3. GATE
STYLE 14:
PIN 1. CATHODE
2. GATE
3. ANODE
STYLE 26:
PIN 1. CATHODE
2. ANODE
3. NO CONNECTION
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2019
www.onsemi.com
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
SC−88A (SC−70−5/SOT−353)
CASE 419A−02
ISSUE L
SCALE 2:1
A
NOTES:
1. DIMENSIONING AND TOLERANCING
PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. 419A−01 OBSOLETE. NEW STANDARD
419A−02.
4. DIMENSIONS A AND B DO NOT INCLUDE
MOLD FLASH, PROTRUSIONS, OR GATE
BURRS.
G
5
4
−B−
S
1
2
DATE 17 JAN 2013
DIM
A
B
C
D
G
H
J
K
N
S
3
D 5 PL
0.2 (0.008)
B
M
M
N
INCHES
MIN
MAX
0.071
0.087
0.045
0.053
0.031
0.043
0.004
0.012
0.026 BSC
--0.004
0.004
0.010
0.004
0.012
0.008 REF
0.079
0.087
MILLIMETERS
MIN
MAX
1.80
2.20
1.15
1.35
0.80
1.10
0.10
0.30
0.65 BSC
--0.10
0.10
0.25
0.10
0.30
0.20 REF
2.00
2.20
J
GENERIC MARKING
DIAGRAM*
C
K
H
XXXMG
G
SOLDER FOOTPRINT
0.50
0.0197
XXX = Specific Device Code
M
= Date Code
G
= Pb−Free Package
0.65
0.025
0.65
0.025
0.40
0.0157
1.9
0.0748
SCALE 20:1
(Note: Microdot may be in either location)
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “G”, may
or may not be present. Some products may
not follow the Generic Marking.
mm Ǔ
ǒinches
STYLE 1:
PIN 1. BASE
2. EMITTER
3. BASE
4. COLLECTOR
5. COLLECTOR
STYLE 2:
PIN 1. ANODE
2. EMITTER
3. BASE
4. COLLECTOR
5. CATHODE
STYLE 3:
PIN 1. ANODE 1
2. N/C
3. ANODE 2
4. CATHODE 2
5. CATHODE 1
STYLE 4:
PIN 1. SOURCE 1
2. DRAIN 1/2
3. SOURCE 1
4. GATE 1
5. GATE 2
STYLE 6:
PIN 1. EMITTER 2
2. BASE 2
3. EMITTER 1
4. COLLECTOR
5. COLLECTOR 2/BASE 1
STYLE 7:
PIN 1. BASE
2. EMITTER
3. BASE
4. COLLECTOR
5. COLLECTOR
STYLE 8:
PIN 1. CATHODE
2. COLLECTOR
3. N/C
4. BASE
5. EMITTER
STYLE 9:
PIN 1. ANODE
2. CATHODE
3. ANODE
4. ANODE
5. ANODE
DOCUMENT NUMBER:
DESCRIPTION:
98ASB42984B
STYLE 5:
PIN 1. CATHODE
2. COMMON ANODE
3. CATHODE 2
4. CATHODE 3
5. CATHODE 4
Note: Please refer to datasheet for
style callout. If style type is not called
out in the datasheet refer to the device
datasheet pinout or pin assignment.
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
SC−88A (SC−70−5/SOT−353)
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2018
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onsemi,
, and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates
and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property.
A listing of onsemi’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. onsemi reserves the right to make changes at any time to any
products or information herein, without notice. The information herein is provided “as−is” and onsemi makes no warranty, representation or guarantee regarding the accuracy of the
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