4N37 is out of stock and can be placed on backorder.
Available Substitutes:

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4N37 | |
|---|---|
DigiKey Part Number | 4N37-ND |
Manufacturer | |
Manufacturer Product Number | 4N37 |
Description | OPTOISO 5KV TRANS W/BASE 6-DIP |
Manufacturer Standard Lead Time | 10 Weeks |
Customer Reference | |
Detailed Description | Optoisolator Transistor with Base Output 5000Vrms 1 Channel 6-DIP |
Datasheet | Datasheet |
Product Attributes
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Category | Voltage - Output (Max) 30V |
Manufacturer Vishay Semiconductor Opto Division | Current - Output / Channel 50mA |
Packaging Tube | Voltage - Forward (Vf) (Typ) 1.3V |
Part Status Active | Current - DC Forward (If) (Max) 50 mA |
Number of Channels 1 | Operating Temperature -55°C ~ 100°C |
Voltage - Isolation 5000Vrms | Mounting Type Through Hole |
Current Transfer Ratio (Min) 100% @ 10mA | Package / Case 6-DIP (0.300", 7.62mm) |
Turn On / Turn Off Time (Typ) 10µs, 10µs | Supplier Device Package 6-DIP |
Input Type DC | Base Product Number |
Output Type Transistor with Base |
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Substitutes (19)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| 4N36 | Vishay Semiconductor Opto Division | 0 | 4N36VS-ND | $0.59000 | Parametric Equivalent |
| 4N25X | Isocom Components 2004 LTD | 0 | 4N25X-ND | $0.18966 | Similar |
| 4N26X | Isocom Components 2004 LTD | 0 | 4N26X-ND | $0.19420 | Similar |
| 4N27X | Isocom Components 2004 LTD | 0 | 4N27X-ND | $0.18966 | Similar |
| 4N28X | Isocom Components 2004 LTD | 0 | 4N28X-ND | $0.18966 | Similar |
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In-Stock: 0
50 estimated in stock on 06-Nov-2026
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Quantity
All prices are in USD
Tube
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $0.59000 | $0.59 |
| 50 | $0.32240 | $16.12 |
| 100 | $0.29420 | $29.42 |
| 500 | $0.24338 | $121.69 |
| 1,000 | $0.22667 | $226.67 |
| 2,000 | $0.21248 | $424.96 |
| 5,000 | $0.19695 | $984.75 |
| 10,000 | $0.18726 | $1,872.60 |
| 25,000 | $0.17669 | $4,417.25 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.





