Central Semiconductor Corp 2N4947 Programmable Unijunction Transistors
2N4947
420-374-2N4947
RoHS Compliant
Unijunction Transistor, 2uA I(P), TO-18, TO-18, 3 PIN
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2N4947 Tech Specifications
Central 2N4947 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.
| Product Attribute | Attribute Value | |
|---|---|---|
| Category | Transistors - Programmable Unijunction | |
| Manufacturer | Central | |
| Surface Mount | NO | |
| Number of Terminals | 3Terminals | |
| Transistor Element Material | SILICON | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | CENTRAL SEMICONDUCTOR CORP | |
| Package Description | TO-18, 3 PIN | |
| Number of Elements | 1 Element | |
| Operating Temperature-Max | 200 °C | |
| Operating Temperature-Min | -65 °C | |
| Package Body Material | METAL | |
| Package Shape | ROUND | |
| Package Style | CYLINDRICAL | |
| JESD-609 Code | e0 | |
| ECCN Code | EAR99 |
| Product Attribute | Attribute Value | |
|---|---|---|
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Position | BOTTOM | |
| Terminal Form | WIRE | |
| Reach Compliance Code | not_compliant | |
| JESD-30 Code | O-MBCY-W3 | |
| Configuration | SINGLE | |
| JEDEC-95 Code | TO-18 | |
| Power Dissipation-Max (Abs) | 0.36 W | |
| Inter-base Voltage-Max | 25 V | |
| Intrinsic Stand-off Ratio-Max | 0.69 | |
| Intrinsic Stand-off Ratio-Min | 0.51 | |
| Static Inter-base Res-Max | 9.1 kΩ | |
| Static Inter-base Res-Min | 4 kΩ | |
| Valley Point Current-Min | 4 mA | |
| Emitter Current-Max | 50 mA | |
| Peak Point Current-Max | 2 mA |
Others include "2N494" parts
The following parts include '2N494'
| Part # | Manufacturer | Package | Availability |
|---|---|---|---|
| 2N4947 | Central Semiconductor Corp | - | |
| 2N4948 | Central Semiconductor Corp | TO-206AA, TO-18-3 Metal Can | |
| 2N4949 | Central Semiconductor Corp | TO-206AA, TO-18-3 Metal Can |
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Shopping Guide
Shipping | Delivery Period | Packages will be arranged for delivery within 1-2 days from the date of all items arrive at our warehouse. In stock items can be shipped out within 24 hours. Delivery Time depends on Shipping Method and Delivery Destinations. |
Shipping Rate | Shipping rate is based on size, weight, destination of the package. MOST offers competitive shipping options through top carriers DHL, FedEx and UPS. We also offer shipping account services for customers who wish to be billed directly for shipping. | |
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Shipping Tracking | Once the components are delivered, the tracking number will be notified via email immediately. The tracking number also could be found in order history. | |
Returning | Returning | All returns should be made within 60 days of date of invoice and be accompanied by the original invoice number, certificate of guarantee card, parts picture and a brief explanation or test report of the reason for the return. Returns will not be accepted after 60 days. Returned merchandise must be in original packaging and in resalable condition. Parts returned due to customer error at time of quote or sale will not be accepted. Please contact customer service for a return authorization before return shipment. |
Ordering | How to Buy | Online and offline orders both are available. Please find the order process guidance from below link: If you have any operation issue, please feel free to contact with our customer service. |
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2N4947 Comments
109 reviews
2021-08-12 00:00:00
The quality of products received was average, meeting general expectations without outstanding features.
2021-08-06 00:00:00
Very nicely designed and manufactured. The screw terminals (used with crimp terminated wires) allow for a professional and secure installation. I will buy many more!
2021-07-08 00:00:00
The quality and service of the electronic components I purchased from Jakelectronic are OK. The product performed as expected and the delivery time was not too long. The only problem is that sometimes they don't have enough stock and I have to wait longer to get the components I need.
2021-07-08 00:00:00
I appreciate the detailed product descriptions and specifications provided on their website.
2021-07-02 00:00:00
Prices are reasonable, not the cheapest but fair considering the quality of products offered.
2021-06-24 00:00:00
Very easy to use and Simple Straight portal with no Ads
2021-06-19 00:00:00
The experience of buying electronic components on Jakelectronic is mediocre, and sometimes better product classification and search capabilities are needed
2021-06-19 00:00:00
All the pins and all the options in one package. Much enjoyed!
2021-06-18 00:00:00
Super easy to search and buy any electronic chips and their details.
2021-06-15 00:00:00
great value for price.