Part Details for 4N37 by Vishay Semiconductors
Results Overview of 4N37 by Vishay Semiconductors
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (10 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
4N37 Information
4N37 by Vishay Semiconductors is an Optocoupler.
Optocoupler 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 4N37
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
4N37-ND
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DigiKey | OPTOISO 5KV TRANS W/BASE 6-DIP Min Qty: 1 Lead time: 12 Weeks Container: Tube |
1972 In Stock |
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$0.1767 / $0.5900 | Buy Now |
Part Details for 4N37
4N37 CAD Models
4N37 Part Data Attributes
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4N37
Vishay Semiconductors
Buy Now
Datasheet
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Compare Parts:
4N37
Vishay Semiconductors
Transistor Output Optocoupler, 1-Element, 5000V Isolation, ROHS COMPLIANT, DIP-6
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| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | VISHAY TELEFUNKEN | |
| Package Description | DIP-6 | |
| Reach Compliance Code | unknown | |
| Additional Feature | UL RECOGNIZED | |
| Coll-Emtr Bkdn Voltage-Min | 30 V | |
| Configuration | SINGLE | |
| Current Transfer Ratio-Nom | 50% | |
| Dark Current-Max | 50 nA | |
| Forward Current-Max | 0.05 A | |
| Isolation Voltage-Max | 5000 V | |
| JESD-609 Code | e3 | |
| Number of Elements | 1 | |
| Operating Temperature-Max | 100 °C | |
| Operating Temperature-Min | -55 °C | |
| Optoelectronic Device Type | TRANSISTOR OUTPUT OPTOCOUPLER | |
| Terminal Finish | Matte Tin (Sn) |
Alternate Parts for 4N37
This table gives cross-reference parts and alternative options found for 4N37. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 4N37, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| 4N37 | Harris Semiconductor | Check for Price | Transistor Output Optocoupler, 1-Element, 2250V Isolation, DIP-6 | 4N37 vs 4N37 |
| 4N37 | TT Electronics OPTEK Technology | Check for Price | Transistor Output Optocoupler, 1-Element, 1500V Isolation, PLASTIC, DIP-6 | 4N37 vs 4N37 |
| 4N37V | Motorola Semiconductor Products | Check for Price | Transistor Output Optocoupler, 1-Element, 7500V Isolation, PLASTIC, DIP-6 | 4N37 vs 4N37V |
| 4N37 | Lite-On Semiconductor Corporation | Check for Price | Transistor Output Optocoupler, 1-Element, 1500V Isolation, ROHS COMPLIANT, DIP-6 | 4N37 vs 4N37 |
| 4N37 | Siemens | Check for Price | Transistor Output Optocoupler, 1-Element, 5300V Isolation, DIP-6 | 4N37 vs 4N37 |
| 4N37 | Everlight Electronics Co Ltd | Check for Price | Transistor Output Optocoupler, 1-Element, 5000V Isolation, ROHS COMPLIANT, DIP-6 | 4N37 vs 4N37 |
| 4N37 | TT Electronics Resistors | Check for Price | Transistor Output Optocoupler, 1-Element, 1500V Isolation, | 4N37 vs 4N37 |
| 4N37 | Motorola Mobility LLC | Check for Price | 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER, PLASTIC, DIP-6 | 4N37 vs 4N37 |
| 4N37 | NXP Semiconductors | Check for Price | Optocoupler - Transistor Output, 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER, SOT-90B, 6 PIN | 4N37 vs 4N37 |
| 4N37 | Quality Technologies Corp | Check for Price | Transistor Output Optocoupler, 1-Element, 2500V Isolation, DIP-6 | 4N37 vs 4N37 |
4N37 Frequently Asked Questions (FAQ)
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The maximum allowable voltage that can be applied to the input pins is 5V, but it's recommended to keep it below 4.5V to ensure reliable operation.
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To ensure proper biasing, connect the anode of the LED to a voltage source through a current-limiting resistor, and connect the cathode to ground. The recommended forward current is 10mA to 20mA.
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The minimum CTR of the 4N37 is 20%, but it can vary depending on the specific device and operating conditions. For guaranteed performance, refer to the datasheet or consult with the manufacturer.
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The 4N37 is not suitable for high-frequency applications due to its limited bandwidth. It's primarily designed for low-frequency and DC applications. For high-frequency applications, consider using a different optocoupler or a specialized high-speed optocoupler.
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To protect the 4N37 from electrical noise and EMI, use proper PCB layout techniques, such as separating the input and output circuits, using ground planes, and adding noise filters or shielding if necessary.