EL8176FWZ-T7

EL8176FWZ-T7 is an Everlight optocoupler (photocoupler) in an 8‑pin surface‑mount package (WZ) with tape & reel packaging (T7). It provides galvanic isolation between input and output: an infrared LED on the input side and a phototransistor on the output side.
Key points:
- Isolates microcontroller/logic from high‑voltage or noisy circuits.
- Typical use: SMPS, motor drivers, PLC I/O, and other isolated signal interfaces.
- Input/output: LED input drives a transistor output; CTR and operating range depend on variant and conditions.
- Package and assembly: SMT 8-pin leadframe, designed for automated production; T7 indicates reel packaging.
For exact electrical specs (forward current, CTR ranges, isolation voltage, VCEO, packaging dimensions, and recommended PCB layout), refer to the EL8176FWZ-T7 datasheet from Everlight.

Equivalents (1-channel transistor-output optocouplers; similar CTR):
- Sharp PC817
- Lite-On LTV-817
- Onsemi/Fairchild FOD817A
- Renesas NEC PS2501-4
Note: verify CTR, IF, VCEO and package (DIP-4/SMD) for pinout compatibility.

Here are the likely features of the EL8176FWZ-T7 (Everlight optocoupler):
- 8-pin optocoupler with LED input and phototransistor output
- Electrical isolation between input and output
- Isolation voltage around 5 kV RMS (input–output)
- Wide CTR range, dependent on LED drive current (suitable for low- to moderate-current switching)
- LED input forward current compatible with standard logic-level drives (typical IF in the low mA range)
- Output transistor suitable for switching small DC loads
- Industrial operating temperature range (-40°C to +85°C)
- RoHS-compliant, lead-free
- Package: surface-mount FWZ (Gull-wing) in tape-and-reel T7
Typical applications:
- Signal isolation in microcontroller/power supplies
- Interface isolation for sensors, measurement equipment, and control boards
Note: for exact electrical specs (CTR, IF_min, VCEO, etc.), please refer to the official datasheet.

Pin count: 4 pins (DIP-4/SOP-4).
Function: Single-channel optocoupler (phototransistor output). LED input on pins 1 (anode) and 2 (cathode); phototransistor output on pins 3 (emitter) and 4 (collector). Provides galvanic isolation between input and output.

- Manufacturer: Everlight Electronics Co., Ltd. (Everlight)
- Company type: Taiwan-based multinational electronics components manufacturer specializing in optoelectronics (LEDs, optocouplers such as the EL817 series, infrared devices, sensors, etc.); publicly traded on the Taiwan Stock Exchange.

EL8176FWZ-T7 is a high‑isolation optocoupler with a phototransistor output. Common applications include:
- Isolated feedback in switch‑mode power supplies (flyback, buck/boost)
- Interfaces between microcontrollers/PLDs and high‑voltage or noisy circuits
- Isolated I/O and level‑shifting for digital signals
- Relay/driver and transistor gate isolation
- Industrial automation and instrumentation signal conditioning
- Telecom/network equipment isolation
- Medical and consumer electronics requiring galvanic isolation
(Uses galvanic isolation between primary and secondary sides and transmits signals optically.)

EL8176FWZ-T7 is an 8-pin surface-mount package (SOP/SO-8). The “-T7” indicates tape-and-reel packaging.