AC INPUT PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLERS MOC256-M DESCRIPTION The MOC256-M is an AC input phototransistor optocoupler. The device consists of two infrared emitters connected in anti-parallel and coupled to a silicon NPN phototransistor detector. It is designed for applications requiring the detection or monitoring of AC signals. The device is constructed with a standard SOIC-8 footprint. FEATURES • UL Recognized File (#E90700, Volume 2) • VDE recognized (File #136616) - Ordering option V (i.e. MOC256V-M) • Industry Standard SOIC-8 Surface Mountable Package, with 0.050" lead spacing • Available in Tape and Reel Option • Bidirectional AC Input (Protection Against Reversed DC Bias) • Guaranteed CTR Symmetry of 2:1 Maximum • High Input-Output Isolation of 2500 Vac (rms) Guaranteed AC IN 1 8 N/C AC IN 2 7 BASE N/C 3 6 COLLECTOR N/C 4 5 EMITTER ABSOLUTE MAXIMUM RATINGS (TA = 25°C Unless otherwise specified) Rating Symbol Value Unit IF 60 mA IF (pk) 1.0 A PD 90 0.8 mW mW/°C Collector-Emitter Voltage VCEO 30 V Emitter-Base Voltage VECO 7.0 V Collector Current-Continuous IC 150 mA Detector Power Dissipation @ TA = 25°C Derate above 25°C PD 150 1.76 mW mW/°C VISO 2500 Vac(rms) Total Device Power Dissipation @ TA = 25°C Derate above 25°C PD 250 2.94 mW mW/°C Ambient Operating Temperature Range TA -40 to +100 °C Tstg -40 to +150 °C EMITTER Forward Current - Continuous Forward Current - Peak (PW = 100 µs, 120 pps) LED Power Dissipation @ TA = 25°C Derate above 25°C DETECTOR TOTAL DEVICE Input-Output Isolation Voltage (f = 60 Hz, t = 1 min.) Storage Temperature Range © 2005 Fairchild Semiconductor Corporation Page 1 of 7 7/7/05 AC INPUT PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLERS MOC256-M ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Parameter Test Conditions Symbol Min Typ* Max Unit (IF = ±10 mA) VF — 1.2 1.5 V (V = 0 V, f = 1 MHz) CJ — 20 — pF (VCE = 10 V, TA = 25°C) ICEO1 — 1.0 100 nA (VCE = 10 V, TA = 100°C) ICEO2 — 1.0 — µA Collector-Base Dark Current (VCB = 10V) ICBO — 0.2 — nA Collector-Emitter Breakdown Voltage (IC = 10 mA) BVCEO 30 100 — nA Collector-Base Breakdown Voltage (IC = 100 µA) BVCBO 70 120 — V Emitter-Collector Breakdown Voltage (IE = 100 µA) BVECO 5 10 — V EMITTER Input Forward Voltage Input Capacitance DETECTOR Collector-Emitter Dark Current Collector-Emitter Capacitance (f = 1.0 MHz, VCE = 0) CCE — 7 — pF Collector-Base Capacitance (f = 1.0 MHz, VCB = 0) CCB — 20 — pF Emitter-Base Capacitance (f = 1.0 MHz, VEB = 0) CEB — 10 — pF (IF = ±10 mA, VCE = 10 V) CTR 20 150 — % — 0.5 2.0 — VCE (sat) — 0.1 0.4 V VISO 2500 — — Vac(rms) (V = 500 V) RISO 1011 — — Ω (V = 0 V, f = 1 MHz) CISO — 0.2 — pF COUPLED Current Transfer Ratio(1) Output-Collector Current Symmetry ( (IC @ IF = +10 mA, VCE = 10V) (IC @ IF = -10 mA, VCE = 10V) Collector-Emitter Saturation Voltage Isolation Surge Voltage(2,3) Isolation Resistance(3) Isolation Capacitance(3) ) (IC = 0.5 mA, IF = ±10 mA) (f = 60 Hz AC Peak, t = min) * Typical values at TA = 25°C NOTE: 1. Current Transfer Ratio (CTR) = IC/IF x 100%. 2. Isolation Surge Voltage, VISO, is an internal device dielectric breakdown rating. 3. For this test, Pins 1 and 2 are common and Pins 5, 6 and 7 are common. © 2005 Fairchild Semiconductor Corporation Page 2 of 7 7/7/05 AC INPUT PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLERS MOC256-M Fig. 2 Output Curent vs. Input Current Fig. 1 Input Voltage vs. Input Current 10 I C - OUTPUT COLLECTOR CURRENT (NORMALIZED) 100 80 I F - INPUT CURRENT (mA) 60 40 20 0 -20 -40 -60 -80 -100 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 VF - INPUT VOLTAGE (V) VCE = 5V NORMALIZED TO IF = 10mA 1 0.1 0.01 0.1 1 Fig. 3 Output Current vs. Ambient Temperature 10 100 IF - LED INPUT CURRENT (mA) 10 I C - OUTPUT COLLECTOR CURRENT (NORMALIZED) I C - OUTPUT COLLECTOR CURRENT (NORMALIZED) Fig. 4 Output Current vs. Collector - Emitter Voltage 1.6 1 NORMALIZED TO TA = 25 o C 0.1 -80 -60 -40 -20 0 20 40 60 80 100 1.4 1.2 1.0 0.8 0.6 0.4 0.2 I F = 10mA NORMALIZED TO VCE = 5V 0.0 0 120 1 2 3 4 5 6 7 8 9 10 VCE - COLLECTOR -EMITTER VOLTAGE (V) o TA - AMBIENT TEMPERATURE ( C) Fig. 5 Dark Current vs. Ambient Temperature I CEO - COLLECTOR -EMITTER DARK CURRENT (nA) 10000 VCE=10V 1000 100 10 1 0.1 0 20 40 60 80 100 o TA - AMBIENT TEMPERATURE ( C) © 2005 Fairchild Semiconductor Corporation Page 3 of 7 7/7/05 AC INPUT PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLERS MOC256-M Package Dimensions (Surface Mount) 8-Pin Small Outline 0.024 (0.61) SEATING PLANE 0.164 (4.16) 0.144 (3.66) 0.060 (1.52) PIN1 0.202 (5.13) 0.182 (4.63) 0.275 (6.99) 0.155 (3.94) 0.010 (0.25) 0.006 (0.16) 0.143 (3.63) 0.123 (3.13) 0.021 (0.53) 0.011 (0.28) 0.008 (0.20) 0.003 (0.08) 0.244 (6.19) 0.224 (5.69) 0.050 (1.27) 0.050 (1.27) TYP Lead Coplanarity : 0.004 (0.10) MAX © 2005 Fairchild Semiconductor Corporation Page 4 of 7 7/7/05 AC INPUT PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLERS MOC256-M ORDERING INFORMATION Option Order Entry Identifier V V R1 R1 R1V R1V R2 R2 R2V R2V Description VDE 0884 Tape and reel (500 units per reel) VDE 0884, Tape and reel (500 units per reel) Tape and reel (2500 units per reel) VDE 0884, Tape and reel (2500 units per reel) MARKING INFORMATION 1 256 V X YY S 3 4 2 6 5 Definitions 1 Fairchild logo 2 Device number 3 VDE mark (Note: Only appears on parts ordered with VDE option – See order entry table) 4 One digit year code, e.g., ‘3’ 5 Two digit work week ranging from ‘01’ to ‘53’ 6 Assembly package code © 2005 Fairchild Semiconductor Corporation Page 5 of 7 7/7/05 AC INPUT PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLERS MOC256-M Carrier Tape Specifications 8.0 ± 0.10 3.50 ± 0.20 2.0 ± 0.05 Ø1.5 MIN 4.0 ± 0.10 0.30 MAX 1.75 ± 0.10 5.5 ± 0.05 12.0 ± 0.3 8.3 ± 0.10 5.20 ± 0.20 Ø1.5 ± 0.1/-0 6.40 ± 0.20 0.1 MAX User Direction of Feed Reflow Profile 300 260°C 280 260 >245°C = 42 Sec 240 220 200 180 °C Time above 183°C = 90 Sec 160 140 120 1.822°C/Sec Ramp up rate 100 80 60 40 33 Sec 20 0 0 60 120 180 270 360 Time (s) © 2005 Fairchild Semiconductor Corporation Page 6 of 7 7/7/05 AC INPUT PHOTOTRANSISTOR SMALL OUTLINE SURFACE MOUNT OPTOCOUPLERS MOC256-M DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. © 2005 Fairchild Semiconductor Corporation 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. Page 7 of 7 7/7/05