PDF 4N40 Data sheet ( Hoja de datos )

Número de pieza	4N40
Descripción	PHOTO SCR OPTOCOUPLERS
Fabricantes	Fairchild Semiconductor
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No Preview Available ! PHOTO SCR OPTOCOUPLERS DESCRIPTION The 4N39 and 4N40 have a gallium-arsenide infrared emitting diode optically coupled with a light activated sil- icon controlled rectifier in a dual in-line package. FEATURES • 10 A, T2L compatible, solid state relay • 25 W logic indicator lamp driver 66 • 400 V symmetrical transistor coupler • Underwriters Laboratory (UL) recognized  File #E90700 1 APPLICATIONS • Low power logic circuits • Telecommunications equipment 6 • Portable electronics • Solid state relays • Interfacing coupling systems of different potentials and impedances. 1 Parameter TOTAL DEVICE Storage Temperature Operating Temperature Lead Solder Temperature Total Device Power Dissipation (-55°C to 50 °C) Derate above 50°C EMITTER Continuous Forward Current Reverse Voltage Forward Current - Peak (300 µs, 2% Duty Cycle) LED Power Dissipation (-55°C to 50 °C) Derate above 50°C DETECTOR Off-State And Reverse Voltage Peak Reverse Gate Voltage Direct On-State Current Surge On-State Current (100 µs) Peak Gate Current Detector Power Dissipation (-55°C to 50°C) Derate above 50°C Note * Indicates JEDEC Registered Data ** Typical values at TA = 25°C Symbol TSTG TOPR TSOL PD IF VR IF(pk) PD PD Device All All All All All All All All 4N39 4N40 All 4N39 4N40 SCHEMATIC 1 ANODE 1 6 GATE CATHODE 2 5 ANODE N/C 3 4 CATHODE Value -55 to +150 -55 to +100 260 for 10 sec 450 9.0 60 6 1.0 100 2.0 200 400 6 300 10 10 400 8.0 Units °C °C °C mW mW/°C mA V A mW mW/°C V V V mA A mA mW mW/°C  2001 Fairchild Semiconductor Corporation DS300381 2/27/01 1 OF 8 www.fairchildsemi.com 1 page PHOTO SCR OPTOCOUPLERS Vp .63 Vp 4N39 4N40 Vp = 800 Volts tp = .010 Seconds f = 25 Hertz TA = 25 °C +100 V AC 100 Ω DUT + Vp - tp dV / dt EXPONENTIAL RAMP GEN. Fig. 13 Coupled dv/dt - Test Circuit 10 KΩ H OSCILLOSCOPE TYPICAL APPLICATIONS 10A, T2L COMPATIBLE, SOLID STATE RELAY Use of the 4N40 for high sensi- tivity, 5300 V isolation capability, provides this highly reliable solid state relay design. This design is compatible with 74, 74S and 74H series T2L logic systems inputs and 220V AC loads up to 10A. +5V "COIL" 470 Ω 25W, LOGIC INDICATOR LAMP DRIVER The high surge capability and non-reactive input characteristics of the 4N40 allow it to directly couple, without buffers, T2L and DTL logic to indicator alarm devices, without danger of introducing noise and logic glitches. 4N40 56K 100 Ω SC1460 LOAD 47 Ω "CONTACT" 220 V AC 0.1 µF IN5060 (4) 47 Ω 470 Ω +5V LOGIC INPUT 4N40 56K INDICATER LAMP 100 Ω 0.1 µF 220 V AC 400V SYMMETRICAL TRANSISTOR COUPLER Use of the high voltage PNP portion of the 4N40 provides a 400V transistor capable of conducting positive and negative signals with current transfer ratios of over 1%. This function is useful in remote instrumentation, high volt- age power supplies and test equipment. Care should be taken not to exceed the 40mW power dissipation rating when used at high voltages. INPUT 4N40 OUTPUT DS300381 2/27/01 5 OF 8 www.fairchildsemi.com 5 Page

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