4N32 DC Input Optocoupler, Through Hole, PDIP-6
The 4N32 DC Input Optocoupler, Photodarlington, Through Hole, PDIP-6 is a single-channel optically coupled isolator designed to transfer electrical signals between two circuits while maintaining galvanic isolation. It combines a gallium-arsenide infrared LED input with a silicon photodarlington detector output, providing high current transfer performance for switching and signal-isolation applications.
Features:
- Single-channel DC-input optocoupler.
- Photodarlington transistor output.
- Base connection provided.
- High current transfer ratio of 500% minimum under specified conditions.
- Gallium-arsenide infrared LED input.
- 30V minimum collector-emitter breakdown voltage.
- 100mA maximum collector load current.
Specifications:
| Parameter | Value |
|---|---|
| Package Type | 6-Pin DIP (Through Hole) – PDIP-6 |
| Input Type | DC Input (Infrared Emitting Diode) |
| Output Type | Phototransistor (NPN) |
| Isolation Voltage (VISO) | 5000 Vrms (AC for 1 minute) |
| Creepage Distance | > 7.62 mm |
| Operating Temperature (TOP) | –55°C to +110°C |
| Storage Temperature (TSTG) | –55°C to +125°C |
| Soldering Temperature | 260°C for 10 seconds |
| Forward Current (IF) | 60 mA |
| Peak Forward Current (IFM) | 1A (t = 10µs) |
| Reverse Voltage (VR) | 6V |
| Input Power Dissipation (PD) | 100 mW |
| Collector-Emitter Voltage (VCEO) | 80V |
| Collector-Base Voltage (VCBO) | 80V |
| Emitter-Collector Voltage (VECO) | 7V |
| Emitter-Base Voltage (VEBO) | 7V |
| Output Power Dissipation (PC) | 150 mW |
| Total Power Dissipation (PTOT) | 200 mW |
| Forward Voltage (VF) | 1.2V (Typ) / 1.5V (Max) @ IF = 10mA |
| Reverse Current (IR) | 10µA (Max) @ VR = 6V |
| Input Capacitance (Cin) | 30pF (Typ) @ V = 0, f = 1MHz |
| Collector-Base Dark Current (ICBO) | 20nA (Max) @ VCB = 10V |
| Collector-Emitter Dark Current | 50nA (Max) @ VCE = 10V, IF = 0mA |
| Collector-Emitter Breakdown Voltage | 80V (Min) @ IC = 1mA |
| Collector-Base Breakdown Voltage | 80V (Min) @ IC = 0.1mA |
| Emitter-Collector Breakdown Voltage | 7V (Min) @ IE = 0.1mA |
| Emitter-Base Breakdown Voltage | 7V (Min) @ IE = 0.1mA |
| Collector-Emitter Capacitance (CCE) | 8pF (Typ) @ VCE = 0V, f = 1MHz |
| Current Transfer Ratio (CTR) | 100% (Min) @ IF = 10mA, VCE = 10V |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.3V (Typ) @ IF = 10mA, IC = 0.5mA |
| Turn-On Time (Ton) | 10µs (Typ) @ VCC = 10V, IF = 10mA, RL = 100Ω |
| Turn-Off Time (Toff) | 9µs (Typ) @ VCC = 10V, IC = 2mA, RL = 100Ω |
| Applications | Power supply regulators, Digital logic inputs, Microprocessor inputs |
Pin Configuration:
Applications:
- Electrical signal isolation.
- Digital logic isolation.
- Microcontroller interface circuits.
- Relay driver circuits.
- Industrial control interfaces.
- Switching circuits.
- Power supply feedback and isolation circuits.
- Motor control interfaces.
- Ground-loop isolation.
- Legacy electronic equipment repair.
- Through-hole prototyping and development.
Package Include:
1x 4N32 DC Input Optocoupler, Through Hole, PDIP-6.


Applications: