The 4N31 is an optically coupled isolator with a photodarlington output, housed in a dual in-line plastic package. It features an input forward current rating of 80 mA, a collector-emitter voltage of 30 V, and an emitter-collector voltage of 5 V. The device has a collector-emitter dark current of 100 nA at 10 V and a minimum current transfer ratio of 5 mA at 10 mA forward current and 10 V collector-emitter voltage. The collector-emitter saturation voltage is 1.2 V at 8 mA forward current and 2 mA collector current. Input-output isolation voltage is rated at 5.3 kV RMS and 7.5 kV peak. Operating temperature ranges from -55°C to +100°C. The package complies with lead soldering temperature of 260°C for 10 seconds. The part meets AEC-Q200, UL 94 V-0, IEC 60286-3, MIL-STD-202, IEEE 802.3at, and RoHS standards.
DC-IN 1-CH Darlington With Base DC-OUT 6-Pin PDIP Product overview: 4N31 from Isocom Components is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include transistor, BJT, switching, amplification, Bipolar Transistor, Transistor, Photovoltaic Output Optoisolators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 903-4N31 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-4N31 |
| Product Name | Bipolar Transistor |
| IC(max) | 5000 milliamps |
