Part Details for 4N37SD by Fairchild Semiconductor Corporation
Results Overview of 4N37SD by Fairchild Semiconductor Corporation
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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4N37SD Information
4N37SD by Fairchild Semiconductor Corporation is an Other Optoelectronic.
Other Optoelectronics are under the broader part category of Optoelectronics.
Optoelectronic components work to detect, generate, and control light. They can essentially produce and/or react to light. Read more about Optoelectronics on our Optoelectronics part category page.
Price & Stock for 4N37SD
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | Min Qty: 8 | 380 |
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$0.2531 / $0.6750 | Buy Now |
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Quest Components | 304 |
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$0.2700 / $0.9000 | Buy Now | |
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Rochester Electronics | PhotoTransistor Output Optocoupler RoHS: Compliant Status: Obsolete Min Qty: 1 | 81000 |
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$0.0819 / $0.1321 | Buy Now |
Part Details for 4N37SD
4N37SD CAD Models
4N37SD Part Data Attributes
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4N37SD
Fairchild Semiconductor Corporation
Buy Now
Datasheet
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4N37SD
Fairchild Semiconductor Corporation
Optoelectronic Device
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | FAIRCHILD SEMICONDUCTOR CORP | |
| Reach Compliance Code | unknown | |
| HTS Code | 8541.40.80.00 | |
| Current Transfer Ratio-Min | 40% | |
| Forward Current-Max | 0.1 A | |
| Forward Voltage-Max | 1.5 V | |
| Isolation Voltage-Max | 5300 V | |
| Mounting Feature | SURFACE MOUNT | |
| Number of Elements | 1 | |
| Operating Temperature-Max | 100 °C | |
| Operating Temperature-Min | -55 °C | |
| Power Dissipation-Max | 0.15 W | |
| Response Time-Max | 0.00001 s | |
| Surface Mount | YES |
4N37SD Frequently Asked Questions (FAQ)
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The 4N37SD can operate over a temperature range of -40°C to 100°C, but the performance may degrade at extreme temperatures.
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To ensure reliable operation in high-noise environments, use proper PCB layout techniques, such as separating the input and output circuits, using shielding, and adding noise filters or bypass capacitors as needed.
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The recommended input current for the 4N37SD is typically between 1-10mA, depending on the specific application and required output current. Exceeding the maximum input current can reduce the device's lifespan.
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The 4N37SD is not suitable for high-frequency applications (>1MHz) due to its limited bandwidth and rise/fall times. For high-frequency applications, consider using a faster optocoupler like the 6N137 or 7N137.
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When the input is low or high impedance, the output voltage of the 4N37SD may not be well-defined. To ensure a stable output, use a pull-up or pull-down resistor on the output pin, or add a voltage regulator or buffer circuit as needed.