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Rise time : 20us
Output Current : 50mA
Fall time : 20us
Vce Saturation(VCE(sat)) : 300mV@20mA,10mA
Operating Temperature : -55℃~+125℃
Load Voltage : 35V
Reverse Voltage : 2V
Current transfer ratio : -;25%
Forward Current(If) : 40mA
Pd - Power Dissipation : -
Number of Channels : -
Load Type : Phototransistor
Input type : DC
Isolation Voltage(Vrms) : 1kV
Description : 50mA 300mV@20mA,10mA 35V 2V DC TO-78-6 Transistor, Photovoltaic Output Optoisolators
Mfr. Part # : 4N24A
Model Number : 4N24A
Package : TO-78-6
This series of isolators features an infrared emitting diode and a silicon phototransistor housed in a hermetically sealed TO-78 package. Designed for and harsh environments, these devices offer high-voltage isolation between input and output, electrical isolation in dirty environments, and are suitable for industrial, medical, and office equipment. The suffix letter 'D' denotes that the collector is electrically isolated from the case. Devices with the 'D' or 'DS' suffix are processed to MIL-PRF-19500/486 or MIL-PRF-19500/548.
| Part Number | Isolation Voltage (kV) | CTR Min / Max | IF (mA) Typ/Max | Vce (Volts) Max | Max Processing |
|---|---|---|---|---|---|
| 4E22 or 4E22D | 1 | 10 / 40 | 35 | 486 | MIL-PRF-19500/486 |
| 4E23 or 4E23D | 20 | N/A | N/A | 35 | N/A |
| 4E24 or 4E24D | 40 | N/A | N/A | 35 | N/A |
| 4E47 or 4E47D | 50 | 1 / 40 | 40 | 548 | MIL-PRF-19500/548 |
| 4E48 or 4E48D | 100 | N/A | N/A | N/A | N/A |
| 4E49 or 4E49D | 200 | N/A | N/A | N/A | N/A |
| Parameter | 4E22/4E23/4E24 Series | 4E47/4E48/4E49 Series |
|---|---|---|
| Input Diode Forward Voltage (Vf) @ If = 10.0 mA | 0.80V Typ | 0.70V Typ |
| Input Diode Reverse Current (Ir) @ Vr = 2.0V | 100 nA | 100 nA |
| Output Phototransistor V(BR)CEO Collector-Emitter Breakdown Voltage | 35V | 40V |
| Output Phototransistor V(BR)CA Collector-Case Breakdown Voltage | 35V | 45V |
| Output Phototransistor V(BR)CE Emitter-Case Breakdown Voltage | 4V | 7.0V |
| Coupled On-State Collector Current @ If = 10.0 mA, Vce = 5.0V | 1.00 mA | N/A |
| Current Transfer Ratio (CTR) @ If = 10.0 mA, Vce = 5.0V | 300 | N/A |
| Isolation Resistance (Input-to-Output) | >10^11 | >10^11 |
| Isolation Capacitance (Input-to-Output) | 5 pF | N/A |
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Optically Coupled Isolator OPTEK 4N24A Hermetically Sealed TO78 Package Suitable for Industrial Applications Images |