DescriptionThe TPS621 is a kind of photo transistor. It is silicon NPN epitaxial planar. The device is intended for opto-electronic switch, floppy disk drive, optical mouse and optical touch switch. There are some features of TPS621as follows: (1)small side view epoxy resin package; (2)fast respon...
TPS621: DescriptionThe TPS621 is a kind of photo transistor. It is silicon NPN epitaxial planar. The device is intended for opto-electronic switch, floppy disk drive, optical mouse and optical touch switch....
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Power Management IC Development Tools 2 batt cells
The TPS621 is a kind of photo transistor. It is silicon NPN epitaxial planar. The device is intended for opto-electronic switch, floppy disk drive, optical mouse and optical touch switch. There are some features of TPS621 as follows: (1)small side view epoxy resin package; (2)fast respond speed: tr, tf=6s typ; (3)half value angle: 1/2=±15°typ; (4) optimum in combination with infrared LED TLN117 which has identical external dimensions.
What comes next is about the maximum ratings of TPS621 (Ta=25): (1)collector-emitter voltage, VCEO: 30 V; (2)emitter-collector voltage, VECO: 5 V; (3)collector current, IC: 50 mA; (4)collector power dissipation, PC: 75 mW; (5)operating temperature range, Topr: -25 to 85; (6)storage temperature, Tstg: -40 to 100; (7)soldering temperature (5s): 260.
The following is about the electrical characteristics of TPS621 (Ta=25): (1)dark current, ID (ICEO): 0.005A typ and 0.1A at VCE=24 V, E=0; (2)light current, IL(IC): 40A min and 100A typ at VCE=3 V, E=0.1 mW/cm2; (3)collector-emitter saturation voltage, VCE(sat): 0.15 V typ and 0.4 V max at IC=15A, E=0.1 mW/cm2; (4)switching time: rise time, tr: 6s typ at VCC=5 V, IC=2 mA, RL=100; fall time, tf: 6s typ at VCC=5 V, IC=2 mA, RL=100; (5)peak sensitivity wavelength, P: 820 nm typ; (6)half value angle, 1/2: ±15°typ.