Reflexlichtschranke Reflective Interrupter SFH I CE I F = 10 ma, V CE = 5 V, d = 1 mm ma

Transkript

1 Reflexlichtschranke Reflective Interrupter SFH 921 Wesentliche Merkmale Optimaler Arbeitsabstand 1 mm bis 5 mm IR-GaAs-Lumineszenzdiode in Kombination mit einem Si-NPN-Fototransistor Tageslichtsperrfilter Hoher Kollektor-Emitter-Strom typ..7 Geringe Sättigungsspannung Sender und Empfänger galvanisch getrennt Anwendungen Positionsmelder Drehzahlüberwachung, -regelung Bewegungssensor Features Optimal operating distance 1 mm to 5 mm IR-GaAs-emitter in combination with a Silicon NPN phototransistor Daylight cut-off filter High collector-emitter current typ..7 Low saturation voltage Emitter and detector electrically isolated Applications Position reporting End position switch Speed monitoring and regulating Motion transmitter Typ Type Bestellnummer Ordering Code SFH 921 Q6272-P SFH 921-2/3 Q6272-P SFH 921-3/4 Q6272-P I CE I F = 1, V CE = 5 V, d = 1 mm

2 SFH 921 Grenzwerte Maximum Ratings Bezeichnung Parameter Wert Value Einheit Unit Sender (GaAs-Diode) Emitter (GaAs diode) Sperrspannung Reverse voltage Vorwärtsgleichstrom Forward current Verlustleistung Power dissipation V R 5 V I F 5 P tot 8 mw Empfänger (Si-Fototransistor) Detector (silicon phototransistor) Dauer-Kollektor-Emitter-Sperrspannung Continuous collector-emitter voltage Kollektor-Emitter-Sperrspannung, (t 2 min) Collector-emitter voltage, (t 2 min) Emitter-Kollektor-Sperrspannung Emitter-collector voltage Kollektorstrom Collector current Verlustleistung Total power dissipation V CE 16 V V CE 3 V EC 7 I C 1 P tot 1 mw Reflexlichtschranke Light Reflection Switch Lagertemperatur Storage temperature range Umgebungstemperatur Ambient temperature range Elektrostatische Entladung Electrostatic discharge T stg C T A ESD 2 KV Umweltbedingungen / Environment conditions 3 K3 acc. to EN (IEC )

3 SFH 921 Kennwerte (T A = 25 C) Characteristics Bezeichnung Parameter Wert Value Einheit Unit Sender (IR-GaAs-Diode) Emitter (IR-GaAs diode) Durchlaβspannung Forward voltage I F = 5 Sperrstrom Reverse current V R = 5 V Kapazität Capacitance V R = V, f = 1 MHz V F 1.25 ( 1.65) V I R.1 ( 1) µa C O 25 pf Wärmewiderstand 1) R thja 4 K/W Thermal resistance 1) Empfänger (Si-Fototransistor) Detector (silicon phototransistor) Kapazität Capacitance V CE = 5 V, f = 1 MHz Kollektor-Emitter-Reststrom Collector-emitter leakage current V CE = 2 V Fotostrom (Fremdlichtempfindlichkeit) Photocurrent (outside light density) V CE = 5 V, E V = 1 Lx C CE 1 pf I CEO 3 ( 2) na I P 3.5 Wärmewiderstand 1) R thja 4 K/W Thermal resistance 1)

4 SFH 921 Kennwerte (T A = 25 C) Characteristics (cont d) Bezeichnung Parameter Wert Value Einheit Unit Reflexlichtschranke Light Reflection Switch Kollektor-Emitterstrom Collector-emitter current Kodak neutral white test card, 9% Reflexion I F = 1 ; V CE = 5 V; d = 1 mm Kollektor-Emitter-Sättigungsspannung Collector-emitter-saturation voltage Kodak neutral white test card, 9% Reflexion I F = 1 ; d = 1 mm; I C = 85 µa I CE min..25 I CE typ..7 V CE sat.15 (.6) V 1) Montage auf PC-Board mit > 5 mm 2 Padgröβe 1) Mounting on pcb with > 5 mm 2 pad size d Reflector with 9% reflexion (Kodak neutral white test card) OHM

5 SFH 921 Schaltzeiten (T A = 25 C, V CC = 5 V, I C = 1 1), R L = 1 kω) Switching Times R L Ι C V CC Output OHM2258 Bezeichnung Parameter Einschaltzeit Turn-on time Anstiegzeit Rise time Ausschaltzeit Turn-off time Abfallzeit Fall time Wert Value t ein 65 µs t on t r 5 µs t aus 55 µs t off t f 5 µs Einheit Unit 1) I C eingestellt über den Durchlaβstrom der Sendediode, den Reflexionsgrad und den Abstand des Reflektors vom Bauteil (d) 1) I C as a function of the forward current of the emitting diode, the degree of reflection and the distance between reflector and component (d)

6 SFH 921 Collector Current I C I Cmax = f( d) Permissible Power Dissipation for Diode and Transistor P tot = f (T A ) Switching Characteristics t = f (R L ) T A = 25 C, I F = 1 1 Ι C Ι C max % OHO P tot mw 12 8 Total power dissipation Detector Emitter OHO226 t 1 3 µ s Ι C = 1 µa 1 2 t on t on t off t off OHO785 2 Kodak neutral white test card Mirror mm 5 d Max. Permissible Forward Current I F = f (T A ) OHO C 1 T A Transistor Capacitance (typ.) C CE = f (V CE ), T A = 25 C, f = 1 MHz 5 pf C CE OHO374 Collector Current I C = f (I F ), spacing d to reflector = 1 mm, 9% reflection Ι C = 1 Ι C 1 kω 1 1 R L OHO V CE =5 V C 1 T A Forward Voltage (typ.) of the Diode V F = f (T) 1.3 V F V = OHO V 1 V CE Relative Spectral Emission of Emitter (GaAs) I rel = f (λ) and Detector (Si) S rel = f (λ) 1 Ι rel S rel % Detector OHO Output Characteristics (typ.) I C = f (V CE ), spacing to reflector: d = 1 mm, 9% reflection, T A = 25 C 2. Ι C = 25 = 2 = 15 = 1 OHO C 1 T 2 7 Emitter nm 11 λ = V VCE

7 SFH 921 Maßzeichnung Package Outlines.2 M A.15 (.6).13 (.5).5 (.2).3 (.12) 6.2 (.244) 5.8 (.228) 3.4 (.134) 3. (.118) (5 ) (1.2 (.47) typ.) Sender/Emitter (.4 (.16) typ.) A (.1 (.4) typ.)...1 (...4) 1.27 (.5) Raster (spacing) 2.54 (.1) Raster (spacing) 4.2 (.165) 3.8 (.15) (.5 (.2) typ.) B 2.1 (.83) 1.7 (.67) Chip Positionen.1 M B Empfänger/Receiver GPLY54 Type SFH 921 Anode Emitter Collector Cathode Maße werden wie folgt angegeben: mm (inch) / Dimensions are specified as follows: mm (inch)

8 SFH 921 Löthinweise Soldering Conditions Bauform Type Drypack Level acc. to IPS-stand. 2 Tauch-, Schwalllötung Dip, Wave Soldering Peak Temp. (solderbath) Max. Time in Peak Zone Reflowlötung Reflow Soldering Peak Temp. (package temp.) Max. Time in Peak Zone Kolbenlötung Iron Soldering (Iron temp.) SFH n. a. 245 C 1 sec. n.a. Bitte Verarbeitungshinweise für SMT-Bauelemente beachten! Please observe the handling guidelines for SMT devices! Published by OSRAM Opto Semiconductors GmbH & Co. OHG Wernerwerkstrasse 2, D-9349 Regensburg All Rights Reserved. Attention please! The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. Due to technical requirements components may contain dangerous substances. For information on the types in question please contact our Sales Organization. Packing Please use the recycling operators known to you. We can also help you get in touch with your nearest sales office. By agreement we will take packing material back, if it is sorted. You must bear the costs of transport. For packing material that is returned to us unsorted or which we are not obliged to accept, we shall have to invoice you for any costs incurred. Components used in life-support devices or systems must be expressly authorized for such purpose! Critical components 1 may only be used in life-support devices or systems 2 with the express written approval of OSRAM OS. 1 A critical component is a component used in a life-support device or system whose failure can reasonably be expected to cause the failure of that life-support device or system, or to affect its safety or effectiveness of that device or system. 2 Life support devices or systems are intended (a) to be implanted in the human body, or (b) to support and/or maintain and sustain human life. If they fail, it is reasonable to assume that the health of the user may be endangered