DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BRY56A Programmable unijunction transistor Product specification 1999 May 31 Philips Semiconductors Product specification Programmable unijunction transistor DESCRIPTION BRY56A PINNING Planar PNPN trigger device in a TO-92; SOT54 plastic package. PIN APPLICATIONS DESCRIPTION 1 gate 2 anode 3 cathode • Switching applications such as: – Motor control anode a handbook, halfpage – Oscillators – Relay replacement book, halfpage 1 – Timers 2 3 g gate – Pulse shapers, etc. MSB033 k cathode MGL167 Fig.1 Simplified outline (TO-92; SOT54) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VGA gate-anode voltage − 70 V IA(AV) average anode current − 175 mA IARM repetitive peak anode current − 2.5 A IASM non-repetitive peak anode current tp = 10 µs − 3 A dlA/dt rate of rise of anode current IA ≤ 2.5 A − 20 A/µs Ptot total power dissipation Tamb ≤ 75 °C − 300 mW Tstg storage temperature −65 +150 °C Tj junction temperature − 150 °C Tamb operating ambient temperature −65 +150 °C 1999 May 31 tp = 10 µs; δ = 0.01 2 Philips Semiconductors Product specification Programmable unijunction transistor BRY56A THERMAL CHARACTERISTICS SYMBOL Rth j-a PARAMETER CONDITIONS VALUE UNIT 250 K/W thermal resistance from junction to ambient in free air CHARACTERISTICS Tamb = 25 °C unless otherwise specified. SYMBOL PARAMETER CONDITIONS peak point current IP MIN. TYP. MAX. UNIT VS = 10 V; RG = 10 kΩ; see Fig.7 − − 200 nA VS = 10 V; RG = 100 kΩ; see Fig.7 − − 60 nA − − µA − IV valley point current VS = 10 V; RG = 10 kΩ; see Fig.7 2 VS = 10 V; RG = 100 kΩ; see Fig.7 1 − Voffset offset voltage typical curve; IA = 0; see Fig.7 − VP − VS − V IGAO gate-anode leakage current IK = 0; VGA = 70 V; see Fig.5 − − 10 nA µA IGKS gate-cathode leakage current VAK = 0; VKG = 70 V; see Fig.6 − − 100 nA VAK anode-cathode voltage IA = 100 mA − − 1.4 V VOM peak output voltage VAA = 20 V; C = 10 nF; see Figs 8 and 9 6 − − V tr rise time VAA = 20 V; C = 10 nF; see Fig.9 − − 80 ns handbook, full pagewidth +40 V BZY88C8V2 5 kΩ A R1 100 µF BY206 (2x) 40 K 750 Ω RG 1 nF D.U.T 10 kΩ 20 Ω VS osc. MBK189 IP and IV determined by value of R1. 1 R1 = ---- ; i.e. maximum voltage drop over R1 = 1 V. IA Internal resistance of oscilloscope = 10 MΩ. Fig.2 Measuring circuit for peak and valley point currents. 1999 May 31 3 Philips Semiconductors Product specification Programmable unijunction transistor BRY56A +VB handbook, halfpage handbook, halfpage IA RG = R2 DUT VAK DUT R1 VS = R1 R2 R1 R2 R1 R1 R2 VB MBB699 MEA141 Fig.4 Fig.3 BRY56A with ‘program’ resistors R1 and R2. handbook, halfpage DUT VGA VGK MBB696 MBB697 Fig.5 Equivalent test circuit for gate-anode leakage current. 1999 May 31 I GKS handbook, halfpage DUT I GAO Equivalent test circuit for characteristics testing. Fig.6 4 Equivalent test circuit for gate-cathode leakage current. Philips Semiconductors Product specification Programmable unijunction transistor BRY56A IA handbook, halfpage VAA handbook, halfpage 1.5 MΩ 16 kΩ DUT C I(V) VO 20 Ω 27 kΩ I(P) VS V(P) VAK MBB698 MEA143 Fig.7 Offset voltage. handbook, halfpage Fig.8 Test circuit for peak output voltage. MBB701 VO VOM 90 % 10 % tr time Fig.9 Peak output voltage. 1999 May 31 5 Philips Semiconductors Product specification Programmable unijunction transistor BRY56A PACKAGE OUTLINE Plastic single-ended leaded (through hole) package; 3 leads SOT54 c E d A L b 1 e1 2 D e 3 b1 L1 0 2.5 5 mm scale DIMENSIONS (mm are the original dimensions) UNIT A b b1 c D d E e e1 L L1(1) mm 5.2 5.0 0.48 0.40 0.66 0.56 0.45 0.40 4.8 4.4 1.7 1.4 4.2 3.6 2.54 1.27 14.5 12.7 2.5 Note 1. Terminal dimensions within this zone are uncontrolled to allow for flow of plastic and terminal irregularities. OUTLINE VERSION SOT54 1999 May 31 REFERENCES IEC JEDEC EIAJ TO-92 SC-43 6 EUROPEAN PROJECTION ISSUE DATE 97-02-28 Philips Semiconductors Product specification Programmable unijunction transistor BRY56A DEFINITIONS Data Sheet Status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. 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