Taitron BAS21A, BAS21C, BAS21S Schematic [ru]
Three Terminals
T
SMD Switching Diodes
Three Terminals SMD Switching Diodes
Features
• High reverse breakdown voltage
• Fast switching speed
• Low reverse leakage current
• Surface mount package ideally suited for automatic insertion
• Galvanically isolated dual configurations to save board space
• RoHS compliant
Mechanical Data
Case:
Terminals:
SOT-23, Plastic Case
Solderable per MIL-STD-750, Method 2026
BAS21A/C/S
SOT-23
Weight:
Approx. 0.008 gram
Maximum Ratings
Symbol Description BAS21A BAS21C BAS21S Unit Conditions
VR
VRRM
IF(AV)
IFSM
PD
RthJA
TJ,
TSTG
Pinout Figure 5 4 3
Marking Code 21A 21C 21S
Reverse Voltage 250 V
Peak Reverse Voltage 250 V
Average Forward Rectified
Current
Non-repetitive Peak Forward
Surge Current
Power Dissipation 250 mW
Thermal Resistance from
Junction to Ambient Air
Operating Junction and Storage
Temperature Range
(T
=25ºC unless noted otherwise)
Ambient
0.2 A T
4 A t=1.0µs
357 ° C/W
-55 to +150 ° C
A=25° C
TAITRON COMPONEN
Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415
S INCORPORATED www.taitroncomponents.com
Rev. A/AH
Page 1 of 6
Three Terminals SMD Switching
BAS21A/C/S
Electrical Characteristics (T
Symbol Description Min. Typ. Max. Unit Conditions
V(BR)
VF
IR
CT
Trr
Reverse Breakdown Voltage - - 250 V I
Forward Voltage - -
Reverse Current - -
Total Capacitance - - 5.0 pF VR=0V, f=1.0MHz
Reverse Recovery Time - - 50 nS
=25ºC unless noted otherwise)
Ambient
R=100µA
0.7 IF=1.0mA
1.0
0.1 µA VR=200V
100 µA V
V
I
F=100mA
R=200V, TJ=150° C
F=IR=30mA,
I
L=100Ω
R
Typical Characteristics Curves
Fig.1- Power Derating Curve
Fig.2- Typical Forward Characteristics
Power Dissipation (mW)
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Ambient Temperatu re (°C)
Forward Current (mA)
Forward Voltage (V)
Rev. A/AH
Page 2 of 6
Three Terminals SMD Switching
BAS21A/C/S
Fig.3-Leakage Current vs. Junction Temperature
Leakage Current (µA)
Junction Temperature (°C)
Fig.4- Typical Junction Capacitance
Junction Capacitance (pF)
Reverse Voltage (V)
Marking Information:
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Rev. A/AH
Page 3 of 6
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