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EL817(M)(B)-G
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-DIP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：6µs, 8µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
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Overview
The EL817(M)(B)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an infrared emitting diode optically coupled to an NPN phototransistor in a DIP-4 package with wide lead spacing (M Type). Key electrical parameters include a maximum isolation voltage of 5000 Vrms, a collector-emitter breakdown voltage of 35 V, and a maximum forward current of 60 mA. The device operates within a temperature range of -55 °C to +110 °C and offers a typical current transfer ratio of 50% to 600% at IF=5mA.
Feature Summary
- High isolation voltage capability between input and output circuits
- Wide lead spacing configuration for enhanced safety clearance
- Compliant with international safety standards including UL and VDE approvals
Applications
- Signal transmission between circuits of different potentials
- Programmable logic controllers
- Telecommunication equipment interfaces
- Home appliance control systems
Procurement Notes
Verify the specific suffix codes against the manufacturer datasheet to confirm lead form and compliance status. Ensure the M-type designation matches the required wide-lead spacing for your PCB layout. Confirm RoHS and halogen-free status if environmental regulations apply to your assembly process.
Selection Notes
Select this component when high isolation voltage and wide creepage distance are critical for safety compliance. The wide-lead spacing distinguishes it from standard DIP packages, making it suitable for applications requiring strict regulatory clearance. Verify that the NPN phototransistor output characteristics meet the switching speed and load requirements of the target circuit.
Part Context
This part belongs to the EL817-G series of photocouplers, which are widely used for general-purpose signal isolation. The M variant specifically denotes a modified pin pitch compared to the standard EL817, designed to meet stricter insulation coordination requirements in industrial and consumer electronics.
Replacement Considerations
Direct substitutes include other EL817 variants with compatible pinouts and electrical ratings. Verify that alternative components maintain the same isolation voltage and CTR specifications to ensure circuit performance parity.
