BAS21GW
High-voltage switching diode
15 June 2017 Product data sheet
1. General description
High-voltage switching diode, encapsulated in an SOD123 small Surface-Mounted Device (SMD)
plastic package.
2. Features and benefits
High switching speed: t
rr
≤ 50 ns
Low leakage current: I
R
≤ 100 nA
High reverse voltage V
R
≤ 200 V
Low capacitance: C
d
≤ 2 pF
Small SMD plastic package
AEC-Q101 qualified
3. Applications
High-speed switching
General-purpose switching
4. Quick reference data
Table 1. Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
I
F
forward current - - 225 mA
V
R
reverse voltage
T
j
= 25 °C
- - 200 V
V
F
forward voltage I
F
= 200 mA; t
p
≤ 300 µs; δ ≤ 0.02 ;
T
j
= 25 °C
- - 1.25 V
I
R
reverse current V
R
= 200 V; pulsed; T
j
= 25 °C - - 100 nA
t
rr
reverse recovery time I
F
= 10 mA; I
R
= 10 mA; R
L
= 100 Ω;
I
R(meas)
= 1 mA; T
j
= 25 °C
- - 50 ns
Nexperia
BAS21GW
High-voltage switching diode
BAS21GW All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet 15 June 2017 2 / 11
5. Pinning information
Table 2. Pinning information
Pin Symbol Description Simplified outline Graphic symbol
1 K Cathode
2 A Anode
21
SOD123
sym001
1 2
6. Ordering information
Table 3. Ordering information
PackageType number
Name Description Version
BAS21GW SOD123 Plastic surface-mounted package; 2 leads SOD123
7. Marking
Table 4. Marking codes
Type number Marking code
BAS21GW GC
Nexperia
BAS21GW
High-voltage switching diode
BAS21GW All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet 15 June 2017 3 / 11
8. Limiting values
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
RRM
repetitive peak reverse
voltage
- 250 V
V
R
reverse voltage - 200 V
I
F
forward current
T
j
= 25 °C
- 225 mA
t
p
= 1 µs; T
j(init)
= 25 °C; square wave - 9 A
t
p
= 100 µs; T
j(init)
= 25 °C; square wave - 3 A
I
FSM
non-repetitive peak
forward current
t
p
= 10 ms; T
j(init)
= 25 °C; square wave - 1.7 A
I
FRM
repetitive peak forward
current
t
p
= 1 ms; δ = 0.25 - 625 mA
[1] - 380 mWP
tot
total power dissipation T
amb
≤ 25 °C
[2] - 660 mW
T
j
junction temperature - 150 °C
T
amb
ambient temperature -55 150 °C
T
stg
storage temperature -65 150 °C
[1] Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard footprint.
[2] Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated mounting pad for cathode 1cm
2
.
9. Thermal characteristics
Table 6. Thermal characteristics
Symbol Parameter Conditions Min Typ Max Unit
[1] - - 330 K/WR
th(j-a)
thermal resistance
from junction to
ambient
In free air
[2] - - 190 K/W
R
th(j-sp)
thermal resistance
from junction to solder
point
[3] - - 44 K/W
[1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
[2] Device mounted on an FR4 PCB, single-sided copper, tin-plated mounting pad for cathode 1cm
2
.
[3] Soldering point of cathode tab.

BAS21GWX

Mfr. #:
Manufacturer:
Nexperia
Description:
Diodes - General Purpose, Power, Switching High-voltage switching diode - 3k Reel
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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