| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
8 pcs
|
8 pcs | On Request | 1 | On Request | On Request | 505 | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Power Dissipation |
The 2N491A is a Unijunction Transistor manufactured by Digitron Semiconductors. This component is housed in a TO-5 package and offers a power dissipation rating of 450mW.
Unijunction Transistors are versatile components utilized in various electronic circuits. Their primary applications include thyristor triggering, oscillator circuits, and pulse and timing circuits. The 2N491A, with its TO-5 packaging, is suitable for through-hole mounting.
This device is noted as RoHS3 Compliant, with an MSL rating of 1 (Unlimited). It is also designated as REACH Unaffected. For high-reliability applications, a high-reliability device is available per MIL-PRF-19500 by indicating an HR suffix after the part number. A Pb-free lead finish can be obtained by adding a "PBF" suffix.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.93 | $1.93 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The 2N491A has a power rating of 450mW.
The 2N491A is packaged in a TO-5 package.
Unijunction Transistors are used in thyristor-triggering, oscillator, pulse and timing circuits.
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