7491182112 Off-Line Transformer Switch Mode Power Transformer
Characteristics
- Nominal input voltage: 125–375 VDC
- Output power 3 W and 9 W
- Operating temperature: –40 °C to +125 °C
- Clearance and creepage distance 6 mm min.
- Isolation voltage 4 kVAC, 1 Minute
Applications
- Designed for Tiny Switch ICs from Power Integration and NCP101x or
105x of ON Semiconductor
- For SMPS with universal input from 85 VAC up to 265 VAC
7491182112 Off-Line Transformer Switch Mode Power Transformer
Electrical Properties:
| Properties | | Test conditions | Value | Unit | Tol. |
| Inductance | L | 10 kHz/ 100 mV | 0.9 | mH | ±10% |
| Turns Ratio | n | N1 : N2 : N3 | 9.5:1:1 | | ±3% |
| Saturation Current | I SAT | N1/ |ΔL/L| < 10 % | 0.8 | A | typ. |
| DC Resistance 1 | RDC 1 | @ 20 °C | 4.3 | Ω | max |
| DC Resistance 2 | RDC 2 | @ 20 °C | 94 | mΩ | max |
| DC Resistance 3 | RDC 3 | @ 20 °C | 102 | mΩ | max |
| Leakage Inductance | L S | 10 kHz/ 100 mV | 112 | µH | max |
| Insulation Test Voltage | VT | N1 => N2,3 | 4000 | V (AC) | |
| Insulation Test Voltage | VT2 | N2 => N3 | 1500 | V (AC) | |
Shape and Dimensions:
Product picture:
7491182112 Off-Line Transformer Switch Mode Power Transformer
About us
ShareWay Technology CO., LTD. is a specialized manufacturer of PoE
Components, products include PoE transformer, PoE RJ45 Magjack, PoE
Lan Transformer, PoE Lan filter, and so on.
Established in 1998, we have around 500 staff at present. With the
abundant productive capacity, we are able to deliver the goods
within a short time. Moreover, we can provide a professional
complete solution for PoE applications. Our products are widely
used in networking and communication equipment such as HUB, PC
cards, Switch, Route, PC Mainboard, SDH, PDH, and xDSL modems.
Company History
1997 ShareWay Technology CO., LTD. was founded in Shenzhen,
Guangdong, China. Start selling the
discrete LAN Transformers, T1/E1 and xDSL Line Transformer.
1999 Established production base in Shenzhen, start producing the
PoE Transformers, T1/E1
and xDSL Line Transformer.
2000 Obtained the ISO9000 certification.
2000 Develop PoE RJ45 connector which is with LAN transformers.
2002 Develop SMT and Vertical PoE RJ45 connector with magnetic.
2008 Develop SMT/DIP Power Inductor and Chokes
Contact us now to have a solution for your project and new design,
we are always ready to share our successful Way with you.
HOW TO ORDER
1. Please send me your datasheet or part number you need.
2. We will offer the replacement quotation for your reference
3. The free samples are available for your approval.
4. After sample testing, we will step into the mass order.
5. The Proforma Invoice will send for your confirmation
6. After the goods are finished, we send the goods to you and tell
you the tracking number.
7. We will track your goods until you receive the goods.
Remarks:
1. Sample orders are available.
2. Price is negotiable for orders of large quantities.
3. Customized orders (OEM/ODM orders) are available.
4. Contact us for the available flavors list. International
Certifications:
1. ISO9001:2008
2. UL
3. Reach
4. RoHs
Our service:
1. 100% tested before shipping
2. Have alternatives for Halo, Pluse, We-online, Chilisin, and
Coilcraft......Same quality but better price
3. Free samples available
4. Provide new design for customer
