4N35, 4N36, 4N37Vishay Semiconductors Optocoupler, Phototransistor Output, with Base Connection 1.5 1.5 Normalized to: Normalized to: V = 10 V, I = 10 mA, T = 25 °C cb CE F A V = 9.3 V, I = 10 mA, T = 25 °C CB F A CTR V = 0.4 V CE(sat) CE 1.0 1.0 T = 85 °C A 0.5 0.5 - Normalized CTR cb 25 °C NCTR(SAT) 50 °C NCTR - Normalized CTR NCTR 70 °C NCTR 0.0 0.0 0.1 1 10 100 0.1 1 10 100 i4n25_05 I - LED Current (mA) F i4n25_08 I - LED Current (mA) F Fig. 5 - Normalized Non-Saturated and Saturated CTR vs. Fig. 8 - Normalized CTRcb vs. LED Current and Temperature LED Current 35 10 Normalized to: 30 I = 10 mA, T = 25 °C F A 25 50 °C 1 20 70 °C 15 25 °C 85 °C 0.1 10 Nib, T = - 20 °C A - Collector Current (mA) Nib, T = 20 °C A 5 Nib, T = 50 °C I Normalized Photocurrent CE A Nib, T = 70 °C A 0 0.01 0 10 20 30 40 50 60 0.1 1 10 100 i4n25_09 I - LED Current (mA) i4n25_06 I - LED Current (mA) F F Fig. 6 - Collector Emitter Current vs. Fig. 9 - Normalized Photocurrent vs. IF and Temperature Temperature and LED Current 105 1.2 70 °C 104 FE 1.0 103 25 °C 102 - 20 °C V = 10 V 0.8 CE 101 Normalized to: I = 20 µA, V = 10 V, B CE Typical 100 - Normalized h T = 25 °C A - Collector Emitter (nA) 0.6 FE 10- 1 I CEO Nh 10- 2 0.4 - 20 0 20 40 60 80 100 1 10 100 1000 i4n25_10 I i4n25_07 T - Ambient Temperature (°C) b - Base Current (µA) amb Fig. 7 - Collector Emitter Leakage Current vs. Temperature Fig. 10 - Normalized Non-Saturated hFE vs. Base Current and Temperature www.vishay.com For technical questions, contact:
[email protected] Document Number: 81181 156 Rev. 1.2, 07-Jan-10
