6N138 (In Stock:130)
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onzuu Part #:
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6N138
903-6N138
Discover detailed specs, features, datasheet, applications, and purchase options for the 6N138 optocoupler. Available through Onzuu.
1+:$0.25452
10+:$0.24543
100+:$0.24179
1000+:$0.23634
6N138 Description
✅ Product Introduction | ✅ Datasheet | ✅ Features | ✅ Specs | ✅ Applications | ✅ Purchase | ✅ Onzuu Distributor | ✅ FAQ | ✅ Summary
✅ Product Introduction
The 6N138 is a high-gain optocoupler designed by Lite-On Inc., optimized for digital signal isolation and interfacing. Featuring a Darlington output configuration, it offers high current transfer ratios, making it ideal for low current LED drive applications where fast signal transmission and electrical isolation are critical.
✅ Datasheet
Download the official 6N138 Datasheet (PDF)
✅ Features
- 5000Vrms Isolation Voltage
- CTR range from 300% to 2600%
- Fast switching with 1.6µs turn-on and 10µs turn-off time
- DC input, Darlington with base output
- Compact DIP-8 package
✅ Specs
| Parameter | Value |
|---|---|
| Manufacturer | Lite-On Inc. |
| Part Status | Active |
| Channels | 1 |
| Isolation Voltage | 5000Vrms |
| CTR (Min) | 300% @ 1.6mA |
| CTR (Max) | 2600% @ 1.6mA |
| Turn On / Off Time | 1.6µs / 10µs |
| Input Type | DC |
| Output Type | Darlington with Base |
| Max Output Voltage | 7V |
| Output Current / Channel | 50mA |
| Forward Voltage (Typ) | 1.1V |
| Max Forward Current | 20mA |
| Operating Temperature | -20°C to +85°C |
| Mounting Type | Through Hole |
| Package | 8-DIP (0.300", 7.62mm) |
✅ Applications
- Microcontroller signal isolation
- Switching power supplies
- Digital communication interfaces
- PLC and industrial automation systems
- Medical and instrumentation equipment
🛒 Buy 6N138 or Find Alternatives
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✅ FAQ
- Q: Is 6N138 suitable for high-speed signal isolation?
A: Yes, its fast switching times and high CTR make it ideal for digital circuits requiring isolation. - Q: What’s the difference between 6N138 and 6N137?
A: 6N138 offers higher CTR and uses a Darlington output, while 6N137 provides faster switching times with open-collector output. - Q: Can 6N138 be used with Arduino or Raspberry Pi?
A: Yes, but ensure the logic level compatibility and current requirements are met.
✅ Summary
The 6N138 optocoupler combines high isolation voltage, a wide CTR range, and reliable switching characteristics in a compact DIP package, making it an excellent choice for safe, noise-free signal transmission in both industrial and consumer applications. Sourcing through Onzuu ensures authentic parts and dependable support.
Technical specifications
| Number of Channels per Chip | 1 | |
| Minimum Isolation Voltage (Vrms) | 5000 | |
| Current Transfer Ratio Test Current (mA) | 1.6 | |
| PPAP | Unknown | |
| Product Status | Active | |
| Automotive | Unknown | |
| Supplier Package | PDIP | |
| Package / Case | 8-DIP (0.300", 7.62mm) | |
| Number of Channels | 1 | |
| Current Transfer Ratio (Min) | 300% @ 1.6mA | |
| REACH Status | REACH Unaffected | |
| Typical Forward Voltage (V) | 1.1 | |
| Voltage - Forward (Vf) (Typ) | 1.1V | |
| EU RoHS | Compliant with Exemption | |
| Output Device | Darlington With Base | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Operating Temperature | -20°C ~ 85°C | |
| Voltage - Isolation | 5000Vrms | |
| ECCN | EAR99 | |
| Mounting Type | Through Hole | |
| Standard Package Name | DIP | |
| Pin Count | 8 | |
| Mounting | Through Hole | |
| Lead Shape | Through Hole | |
| HTSUS | 8541.49.8000 | |
| Package | Tube | |
| Vce Saturation (Max) | - | |
| Current - Output / Channel | 50mA | |
| Turn On / Turn Off Time (Typ) | 1.6µs, 10µs | |
| Current Transfer Ratio (Max) | 2600% @ 1.6mA | |
| Rise / Fall Time (Typ) | - | |
| PCB changed | 8 | |
| HTS | 8541.49.80.00 | |
| Output Type | Darlington with Base | |
| ECCN (US) | EAR99 | |
| Standard | UL|EN|IEC|DIN|CSA | |
| Maximum Power Dissipation (mW) | 35 | |
| Supplier Device Package | 8-DIP | |
| Minimum Operating Temperature (°C) | -20 | |
| Maximum Operating Temperature (°C) | 85 | |
| Package Height | 3.5 | |
| Mfr | Lite-On Inc. | |
| Maximum Reverse Voltage (V) | 5 | |
| Maximum Current Transfer Ratio (%) | 2600 | |
| Maximum Forward Current (mA) | 20 | |
| RoHS Status | ROHS3 Compliant | |
| Maximum Forward Voltage (V) | 1.7 | |
| Input Type | DC | |
| Package Length | 9.68 | |
| Voltage - Output (Max) | 7V | |
| Series | - | |
| Minimum Current Transfer Ratio (%) | 300 | |
| Part Status | Active | |
| Package Width | 6.5 | |
| Current - DC Forward (If) (Max) | 20 mA | |
| Base Product Number | 6N138 |
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