Datasheet BRT21, BRT22, BRT23 (Vishay) - 5

BRT21, BRT22, BRT23
www.vishay.com Vishay Semiconductors
TYPICAL CHARACTERISTICS
(Tamb = 25 °C, unless otherwise specified) 2.0 150 I normalized to I at PF = 1.0, Fth Fth 1.8 T = 25 °C amb 1.6 100 1.4 1.2 - Normalized LED 50 Fth 1.0 NI Trigger Current LED - LED Power (mW) 0.8 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 -60 -40 -20 0 20 40 60 80 100 iil410_02 PF - Power Factor iil410_05 Tamb - Ambient Temperature (°C) Fig. 2 - Normalized LED Trigger Current vs. Power Factor Fig. 5 - Maximum LED Power Dissipation 1.4 103 5 1.3 Tamb = -55 °C T 1.2 j = 25 °C 100 °C T 102 I amb = 25 °C T = f(VT), 1.1 Parameter: T 5 j 1.0 101 0.9 T - Forward Voltage (V) amb = 85 °C 5 FV - On-State Current (mA) 0.8 I TM 0.7 100 0.1 1 10 100 0 1 2 3 4 iil410_03 IF - Forward Current (mA) iil410_06 VTM - On-State Voltage (V) Fig. 3 - Forward Voltage vs. Forward Current Fig. 6 - Typical Output Characteristics 10 000 400 τ ITRMS = f(VT), Duty Factor RthJA = 150 K/W 0.005 300 Device switch 1000 0.01 t soldered in PCB 0.02 or base plate 0.05 τ (mA) 0.1 DF = /t 200 0.2 100 0.5 I TRMS 100 If(pk) - Peak LED Current (mA) 10 0 10-6 10-5 10-4 10-3 10-2 10-1 100 101 0 20 40 60 80 100 iil410_04 t - LED Pulse Duration (s) iil410_07 Tamb - Ambient Temperature (°C) Fig. 4 - Peak LED Current vs. Duty Factor, τ Fig. 7 - Current Reduction Rev. 2.1, 21-Jun-2023
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