Low-Voltage Transformers for Tube Power Amplifier

• Application: Power, Electronic, Audio, Control System
• Phase: Single
• Core: EI
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, ISO9001, CE
• Model NO.: AL-AT28
• Usage: Single-phase Transformer, Power Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: EI
• Brand: AL TRANSFO
• Winding Material: Copper100%
• Efficiency: >92%
• Coil Number: Double Winding and Multi-Wind
• Bobbin: Ee Series and Other
• Color: Customized
• Core Material: Silicon Steel Core
• Frequency: 50/60Hz
• Work Cycle: Customized, Such as ED 80%
• Input Voltage: Customized
• Insulation Class: UL Class B, F, H, N. (Optional)
• Transport Package: Carton/ Foam
• Specification: 5pcs/box
• Trademark: AL
• Origin: China
• HS Code: 85043190
• Production Capacity: 5000PCS/15days

Product Description

Product Description
 

Notice:

When testing the machine, the output transformer must be connected to a speaker or a resistor as a load, and the no-load test is easy to burn the transformer.

 

Product Details:

Core size: 19*30

Winding method: 3 clips 2

Inductance: L>=22H (test frequency 100HZ 0.6V)

Frequency response: 20HZ-22KHZ

Primary: 5K ohm 0.13MM

<;495 ohms

Secondary: 0-4-8 ohms

Auxiliary wire diameter: 0.47MM two in parallel

Installation center hole distance: 73mm

Width 58* height 51* thickness 63

Core material: Japanese Z11 0.35MM thick insulating annealed sheet

Shielding method: black painted iron shell is fully shielded

Weight: 0.68KG

 

packing list:

1 × output transformer

Products Advantages:
1.Low no-load loss
2.High Reliability
3.High Transmission Efficiency
4.Low-temperature Rise
5.Excellent Safety
6.UL Approved.
7.High output power
8.Rohs fully compliance
9.It can be customized according to the requirements of customers and provide total design solutions to customer

Application:
1.Industrial application
2.Household Appliance.
3.New Energy
4.Communications
5.Other Industrial application

Testing Items:
No-load Test(No-load Current, No-load Voltage, No-load Loss)
Load Test (Load Voltage, Temperature-rise)
Inductive Voltage Test, DC Resistance Test,  Safety Test

Operating environment:
1) Temp.: The ambient temperature can not over +40°C.
2) Altitude: Mounting location can not exceed the altitude of 2000m
3) Relative humidity: Maximum 90%
4) The site not attack by rain and snow
5) The medium which no explosion danger, no corroding metal, no electrical breakdown

 

Item/Lead Time	Samples	Mass Production
Components	1-2 days	5-10 days
SMT	1-2 days	5-10 days
Delivery	3-5 days	5-20 days

 

All product could be custom made for you ~


Packaging & Shipping





Our services 

1.One-stop service covering hardware design + software program + PCB layout + PCB assembly + casing service for customers.
2.More than 20-year experiences with PCB,PCBA production in automatic,auto,medical,industrial control,security,communications,power supply filed.We help our customers to deal with their difficulties in the production and cost down by sourcing from China.
3.We provide full BOM sourcing for all kinds of electronic.parts,connectors,plastic mold and cable,etc. We have most professional component sourcing team and competitive sourcing channels with guarantee quality.
4.Instant feedback and short delivery time.We provide 24-hour online service for global customers.We quote BOM within 24 hours and PCB assembly prototype in 5 days.
5.Both prototype and mass production are acceptable.There is no minimum order quantity restrictions.
6.We test both PCB and key components 100% before delivery.Our warranty is 12 months for all the boards and products.
7.We provide credit to our long-term cooperation customers.

Advantage

Why choose transformer manufacturers?

1. Low weight

2. Low no-load loss

3. Low stray magnetic field

4. Low operating temperature

5. Efficient

6. Cost savings

FAQ

Q1. Can you according to I provide you drawings and parameters production?
Answer: Yes, we can according your requirements to custom.
Q2. What is your MOQ?
Answer: no MOQ requirement.
Q3. Can I make a small order test first?
Answer: Yes, but does not include freight and tax.
Q4. How long is it from the beginning to the end?
Answer: 3 days out of the sample, received the full payment within 7 days of delivery.
Q5. Can you send the sample before we order it?
Answer:Yes, we can Sample fee and freight paid by the buyer, after the batch can be returned.
Q6. What is the sample express you send ?
Answer:DHL, UPS, FEDX failure for 7-15 days. If you have specific requirements can also be .
Q7. What is the payment method?
 Answer:PayPal, credit card, Western Union Bank,
Q8. Has your product been tested before shipment?
Answer:we will have 12 hours of aging test before delivery.

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