DATA SHEET www.onsemi.com 6-Pin General Purpose Phototransistor Optocouplers PDIP6 CASE 646BX 6 1 4N25M, 4N26M, 4N27M, 4N28M, 4N35M, 4N36M, PDIP6 6 S SUFFIX 4N37M CASE 646BY 1 Description The general purpose optocouplers consist of a gallium arsenide PDIP6 infrared emitting diode driving a silicon phototransistor in a standard T SUFFIX 6 plastic 6pin dualinline package. CASE 646BZ 1 Features Minimum Current Transfer Ratio at I = 10 mA, V = 10 V: F CE 10% for 4N27M and 4N28M MARKING DIAGRAM 20% for 4N25M and 4N26M 100% for 4N35M and 4N36M and 4N37M ON Safety and Regulatory Approvals: 4N25 UL1577, 4,170 VAC for 1 Minute RMS VXYYQ DINEN/IEC6074755, 850 V Peak Working Insulation Voltage Applications ON = Logo Power Supply Regulators 4N25 = Specific Device Code V = DIN EN/IEC6074755 Option (only Digital Logic Inputs appears on component ordered with Microprocessor Inputs this option) X = OneDigit Year Code YY = Digit Work Week Q = Assembly Package Code SCHEMATIC ANODE 1 6 BASE CATHODE 2 5 COLLECTOR N/C 3 4 EMITTER ORDERING INFORMATION See detailed ordering and shipping information on page 8 of this data sheet. Semiconductor Components Industries, LLC, 2005 1 Publication Order Number: September, 2021 Rev. 2 4N37M/D4N25M, 4N26M, 4N27M, 4N28M, 4N35M, 4N36M, 4N37M SAFETY AND INSULATION RATINGS (As per DIN EN/IEC 6074755, this optocoupler is suitable for safe electrical insulation only within the safety limit data. Compliance with the safety ratings shall be ensured by means of protective circuits.) Parameter Characteristics Installation Classifications per DIN VDE 0110/1.89 Table 1, <150 V IIV RMS For Rated Mains Voltage <300 V IIV RMS Climatic Classification 55/100/21 Pollution Degree (DIN VDE 0110/1.89) 2 Comparative Tracking Index 175 Symbol Parameter Value Unit V InputtoOutput Test Voltage, Method A, V x 1.6 = V , Type and Sample Test 1360 V PR IORM PR peak with t = 10 s, Partial Discharge < 5 pC m InputtoOutput Test Voltage, Method B, V x 1.875 = V , 100% Production Test 1594 V IORM PR peak with t = 1 s, Partial Discharge < 5 pC m V Maximum Working Insulation Voltage 850 V IORM peak V Highest Allowable OverVoltage 6000 V IOTM peak External Creepage 7 mm External Clearance 7 mm External Clearance (for Option TV, 0.4 Lead Spacing) 10 mm DTI Distance Through Insulation (Insulation Thickness) 0.5 mm T Case Temperature (Note 1) 175 C S I Input Current (Note 1) 350 mA S,INPUT P Output Power (Note 1) 800 mW S,OUTPUT 9 R Insulation Resistance at T , V = 500 V (Note 1) >10 IO S IO 1. Safety limit values maximum values allowed in the event of a failure. www.onsemi.com 2