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Brand Name : Greenfair
Model Number : toroid choke
Certification : CE, UL, ISO14001
Place of Origin : China
MOQ : 1000pcs
Packaging Details : carton box, plastic blister box
core : KST106-26
windings : single winding
temperature : low temperature rise
energy : high stored energy
wire : 1UEWNY¢0.9mm*1P
EMI : Excellent EMI efficiency
structure : horizontal
ROHS : PB free
Sendust choke by triple wire and copper wire biflar winding reach UL 3750V insulation Hi-pot
Feature for Custom Choke Coil Inductor for Electronic Device
High current, horizontal or vertical mount
High saturation flux density
High power factor correction
Low profile and low weight
Less flux leakage and beat
Low radiation and core loss
Precise inductance
Operating temperature: -55 to 105°C
Power: 200, 250, 300 and 500W
Voltage: 100V/230, 50Hz
Inductance value is 290uH MIN at 1KHZ 1V
DCR is 100mΩ MAX 
PF value: greater than 98%
Tested at 100kHz, 0.1Vrms inductance of 10%uH
DC current at which the inductance drops 10% (type) from itsvalue without current
Electrical characteristics at 25°C
Insulation: class B (130°C), class F (155°C), class H(180°C), class N (200°C) and class R (220°C)
Certifications: UL, CQC and CE
Excellent utilization of electricity, good for environmentprotection
Customized specifications are accepted
Applications:
Frequency power
UPS
EMI/RFI filters
Switching power output and smoothing circuits
Used as choke coil for high frequency SMPs
Countermeasure against spike ripples
DC/DC converters
IP and OP devices
Notebook computer
Air conditioning
Digital TV
Battery power equipment
Power supply of all types of household appliances
Switching power supplies
Competitive Advantage:
1. High grade raw material from famous supplier
2. Big quality control teams ensure good quality of every single piece of product.
3. 6S, QCC and SPC management systems ensure the quality consistence
4. Strong R. & D team

| WINDING PARAMETER: | ||||||
| NO. | WINDING | MATERIAL | S--F | TURNS | REMARK | |
| 1 | N1 | 1UEWNY¢0.9mm*1P | S---F | 60Ts REF | ||
| ELECTRICAL CHARACTERISTIC: | ||||||
| NO. | ITEM | MEASURE POINT | TECHNICAL DATA | REMARK | ||
| 1 | INDUCTANCE | N1 | 290uH MIN | 1KHz / 1V | ||
| 2 | DCR | N1 | 100mΩ MAX | at 25℃ | ||
| MATERIAL LIST: | ||||||
| NO. | MATERIAL NAME | MATERIAL SPEC. | PROVIDER | UL NO. | ||
| 1 | CORE | KST106-26 | KARSON or equivalent | |||
| 2 | WIRE | MW80# 1UEWNY 130℃ | JIANGSU DARTONG QINGJIANG M&ECO LTD or equivalent | E237377 | ||
| 3 | EPOXY | 2006A/B CLARITY | EATTO | |||
Notes:
1. Wire:130°C or150°C.
2. The above specifications for the common specifications, customers can request custom design.
General information:
It is recommended that the temperature of the part does not exceed +125°C under worst case conditions.
Storage Temperature: -40°C to 85°C
Operating Temperature: -40°C to 125°C
Test conditions of Electrical Properties: 20°C, 33% RH if not specified differently
| OPERATING TEMPERATURE RANGE, PACKAGE QUANTITY, PRODUCT WEIGHT | |||||
| Temperature range | Humidity range | Standard test conditions | |||
| Operating temperature* | Storage temperature | Operating temperature** | Storage temperature** | Operating temperature** | Storage temperature** | 
| ( ℃) | ( ℃) | ( % RH) | ( % RH) | ( ℃) | ( % RH) | 
| -30 to +120 | -40 to +80 | 10 to +95 | 10 to +95 | 25 ± 10 | 25 to +75 | 
* With self-heating
** Maximum wet-bulb temperature 38°C, without dewing
*** Without dewing

|   | 
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