6N139 1kV/us DC Logic Output Optoisolator DIP-8 (Brand: Slkor)
The 6N139 1kV/us DC Logic Output Optoisolator DIP-8 (Brand: Slkor) is a high-speed optocoupler designed to provide reliable electrical isolation between low-voltage control circuits and higher-voltage systems. It combines an AlGaAs infrared LED with a high-gain silicon photodarlington transistor to deliver excellent current transfer performance while maintaining complete galvanic isolation between the input and output circuits. Housed in a standard DIP-8 through-hole package, the device is suitable for industrial control, communication interfaces, microcontroller systems, and digital logic applications where signal integrity and electrical safety are essential.
Features
- CMOS, LSTTL compatibility
- High current transfer ratio
- Additional base pin access allows gain bandwidth adjustment
- Low input current requirements – 0.5 mA
- High output current
- Interfaces with common logic families
- High common mode rejection, 500 V/μs
- Performance guaranteed over temperature range: 0°Cto 70°C
- IR LED forward voltage for turning ON (VF): 1.4V
- Maximum IR LED forward voltage: 1.7V
- Maximum IR LED forward current during ON (IF): 25mA
- Maximum IR LED reverse voltage: 5V
- Maximum IR LED reverse current: 10uA
- Maximum supply and output voltage (Pin 8 to 5, pin 6 to 5): 18V
- Maximum current allowed trough transistor collector(IC): 60mA
- Current transfer ration (CTR): 400%
- Maximum output power dissipation: 100mW
Specifications
| Parameter | Value |
|---|---|
| Part Number | 6N139 |
| Product Type | High-Speed Logic Output Optoisolator |
| Package | DIP-8 |
| Mounting Type | Through Hole |
| Input Type | DC |
| Output Type | Darlington Transistor Logic Output |
| Isolation Voltage | 5000VRMS |
| Common Mode Transient Immunity | 1000V/µs(Min) |
| Current Transfer Ratio (CTR) | 400%(Min), 2500%(Typ) @ IF=0.5mA |
| Forward Current (IF) | 25mA(Max) |
| Peak Forward Current (IFP) | 50mA |
| Peak Transient Forward Current | 1A |
| Forward Voltage (VF) | 1.28V(Typ), 1.7V(Max) |
| Reverse Voltage (VR) | 5V |
| Reverse Current (IR) | 10µA(Max) |
| Supply Voltage (VCC) | 18V(Max) |
| Output Voltage (VO) | 18V(Max) |
| Output Current (IO) | 60mA(Max) |
| Input Capacitance | 60pF(Typ) |
| Isolation Resistance | 10¹²Ω(Min) |
| Floating Capacitance | 0.3pF(Typ) |
| Propagation Delay (tpHL) | 5µs(Typ), 25µs(Max) |
| Propagation Delay (tpLH) | 22µs(Typ), 60µs(Max) |
| Operating Temperature | -55°C~+100°C |
| Storage Temperature | -55°C~+150°C |
| Soldering Temperature | 260°C(Max,10s) |
Pin Configuration
6N139 is an eight pin device and function of each pin is stated below. The device is available in various packages for choosing.
6N139 is an eight pin device and function of each pin is stated below. The device is available in various packages for choosing.| Pin Number | Pin Name | Description |
| 1 | NC | No connection |
| 2 | Anode | Positive terminal of internal LED |
| 3 | Cathode | Negative terminal of internal LED |
| 4 | NC | No connection |
| 5 | GND | Emitter of internal Darlington transistor which is connected to ground pin in circuit |
| 6 | VO | Collector of second transistor Darlington setup which is usually connected to load to receive current |
| 7 | VB | Base of second transistor Darlington setup |
| 8 | VCC | Collector of first transistor Darlington setup which is connected to positive power supply |
Applications
- Digital logic ground isolation
- Telephone ring detector
- Lighting systems
- PWM applications
- AC mains detection
- Reed relay driving
- Switch mode power supply feedback
- Telephone ring detection
- High common mode noise line receiver
Package Include
1x 6N139 1kV/us DC Logic Output Optoisolator DIP-8 (Brand: Slkor)