Small Power Transformer, 3 pcs, for Printed Circuit Board
10.00 USD(tax included)
／18.00 USD (Excluding tax)
Sales unit: 1 piece
Application number: / Manufacturer: / Model number: m84950147375 / JAN code: / AS ONE / NAVIS Product number:
| Application number | |
|---|---|
| Manufacturer | |
| Model number | m84950147375 |
| JAN code | |
| Sales unit | 1 piece |
| Price | 10.00 USD (tax included) / 18.00 USD (Excluding tax) |
*Additional shipping fees will be charged for this product in Okinawa Prefecture, remote islands, some other areas, and mountain areas. Please note that we may not be able to deliver depending on the region. If we are unable to deliver your order after placing your order, Askul will contact you.
Please note the following points as this item is directly shipped.
- Additional shipping fees will be charged for this product in Okinawa Prefecture, remote islands, some other areas, and mountain areas. Please note that we may not be able to deliver depending on the region. If we are unable to deliver your order after placing your order, Askul will contact you.
- This product may not come with a delivery note issued by Askul. Customers who wish to receive a delivery note issued by Askul can print it out as a PDF file from the usage history on this site after receiving the product.
- It is not delivered in Askul cardboard or a bag.
- We cannot accept changes, cancellations, returns, or exchanges after the order has been placed due to the customer's convenience.
- If we discover after placing an order that the product cannot be delivered, we may cancel your order.
- If it becomes clear after placing your order that the item is temporarily out of stock, it will be delivered as soon as it becomes available.
This image is a representative image. Please check the specifications for details.
Stock: Slightly
Direct delivery product
Shipping charges for products from this shipping source will be borne by us.
58 USD (tax included)
/ 63.8 USD (Excluding tax)
Product details
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| Product features | Category Amplifier Condition New/unused Shipping Included in price (by seller) From Tochigi |
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| Manufacturer name | - | Brand name | - |
| remarks | [About returns] We cannot accept returns due to customer's convenience. | ||
| Product details |
Set of 3 small power transformers for printed circuit boards Includes 6 Zener diodes as a bonus Primary: 100V / Secondary output: Please refer to Image 2. Even if the secondary is short-circuited, the primary current is small and cannot be protected by fuse blowing. However, considering other troubles such as primary wiring, we recommend inserting a fuse of about 0.3 to 0.5A on the primary side. (In experiments, short-circuiting the secondary did not cause ignition) ⚫ Power supply for analog preamplifiers ⚫ Tone control amplifier ⚫ Power supply for small-scale systems with low-power microcontrollers ⚫ Temperature sensor and operational amplifier sections ⚫ Power supply for the receiver side of remote controls where low standby power is essential ⚫ For 2-wire remote control systems with power supply and pulse modulation ⚫ Power supply for human motion sensors ⚫ Power supply for LED lighting And many other small power applications. Standby power consumption is very low, and structurally, compared to switching power supplies, they are resistant to surges and noise such as lightning, making them ideal for continuous ON state use. Given the power scale, stabilization can be easily achieved with Zener diodes alone. ● Image 5 shows a unit I used in a DIY project about 10 years ago. (Used for operational amplifier preamplifier, tone control, and low-frequency channel output) The items for sale are like new! ● I have added Image 4, which shows the 6.8V / 1W Zener diodes included as a bonus. A simple stabilized power supply can be constructed. This is for 3 circuits, 6 diodes, for ±7V power supplies. (This bonus is based on my experience building tone control amplifiers and channel dividers) Can be easily used for power-saving, small-scale circuits. For those with technical expertise, it might even be possible to use them as output transformers for vacuum tube headphone amplifiers! Not suitable for power amplifier tubes! For those with technical skills, please try challenging yourselves with vacuum tube amplifiers for headphones. These are old communication terminal power transformers. Made in Japan, manufacturing year unknown. Stored in sealed conditions. ● No warranty! ● These are quite old items. Please use them at your own risk after purchase. #SmallTransformer #SmallPowerTransformer #MiniatureTransformer #MiniaturePowerTransformer #PreamplifierPowerSupply #OpAmpPowerSupply #SmallOutputTransformer #HeadphoneAmplifierPowerSupply #VacuumTubeOutputTransformer #12AX7 #6AU6 #CMOSPowerSupply #HCMOSPowerSupply #MicrocontrollerSystemPowerSupply #MicrocontrollerPowerSupply Click here for the manufacturer's site 
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