The 4N37S is a surface-mount phototransistor photocoupler with 1500Vrms isolation voltage, housed in a 6-pin SMD package. It has a minimum current transfer ratio of 100% at 10mA input current and 10V collector-emitter voltage, with response times of up to 10ms. The device operates from -55°C to +100°C and meets safety approvals including UL, CSA, VDE, and RoHS compliance. Maximum collector current is 100mA and collector power dissipation is 300mW. The isolation thickness between input and output is a minimum of 0.4mm, with creepage and clearance distances of at least 7.0mm.
Transistor Output Optocoupler, 1-Element, 1500V Isolation, ROHS COMPLIANT, SURFACE MOUNT, DIP-6 Product overview: 4N37S from Lite-On 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 SMD, 1500V, DIP. Search-friendly keywords include transistor, BJT, switching, amplification, SMD, 1500V, DIP, 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 903-4N37S can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-4N37S |
| Product Name | SMD 1500V DIP Bipolar Transistor |
| PD | 0.3500 milliwatts |