Switching Diodes
SMD Type
Diodes
Switching Diodes BAS521 (KAS521)
■ Features
● High switching speed: trr ≤ 50 ns
● High reverse volt...
Description
SMD Type
Diodes
Switching Diodes BAS521 (KAS521)
■ Features
● High switching speed: trr ≤ 50 ns
● High reverse voltage: VR ≤ 300 V
● Repetitive peak forward current: IFRM ≤ 1 A
● High-speed switching
● High-voltage switching
1
cathode
2
anode
SOD-523
1.2 +0.1 -0.1
+
-
+0.050.3 -0.05
0.6 +0.1 -0.1
+0.050.8 -0.05
1.6 +0.1 -0.1
0.77max
+0.050.1 -0.02
0.07max
Unit: mm
■ Absolute Maximum Ratings Ta = 25℃
Parameter Repetitive Peak Reverse Voltage Reverse Voltage Forward Current @ Tsp ≤ 90 °C Repetitive Peak Forward Current Non-repetitive peak forward surge current (t=1us) Power Dissipation Thermal Resistance Junction to Ambient Thermal Resistance Junction to Solder Point Junction Temperature Storage Temperature range
Symbol VRM VR IF IFRM IFSM Pd RθJA
RθJSP TJ Tstg
Rating 300 300 250 1 4.5 500 500 120 150
-65 to 150
Unit V mA A mW
℃/W
℃
■ Electrical Characteristics Ta = 25℃
Parameter
Reverse breakdown voltage
Forward voltage
(Note.1)
Reverse voltage leakage current
Junction capacitance Reverse recovery time
Symbol
Test Conditions
VR IR= 100 uA
VF IF= 100 mA
VR= 250 V IR
VR= 250 V , Ta = 150℃
Cj VR= 0 V, f= 1 MHz
trr (Note.2)
Min Typ Max Unit 300
V 1.1 150 nA 100 uA 5 pF 50 ns
Note.1: Pulse test: tp = 300 μs; δ = 0.02. Note.2: When switched from IF = 30 mA to IR = 30 mA; RL = 100 Ω; measured at IR = 3 mA.
■ Marking
Marking
L4
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SMD Type
Diodes
■ Typical Characterisitics
500 IF (mA)
400
Switching Diodes BAS521 (KAS521)
1...
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