Shenzhen Greenfair Electronics Co., Limited
| Packaging Details | carton box, plastic blister box |
| core | DRH18*20 C=Φ7.5 K3B |
| windings | single winding |
| rated current | 4A |
| function | EMI/RFI filters |
| wire | 1.2mm copper wire |
| turns | 31.5Ts REF |
| varnish | vacuum varnish |
| ROHS | PB free |
| Brand Name | Greenfair |
| Model Number | DR radial inductor DR18*20 |
| Certification | CE, UL, ISO14001 |
| Place of Origin | China |
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Product Specification
| Packaging Details | carton box, plastic blister box | core | DRH18*20 C=Φ7.5 K3B |
| windings | single winding | rated current | 4A |
| function | EMI/RFI filters | wire | 1.2mm copper wire |
| turns | 31.5Ts REF | varnish | vacuum varnish |
| ROHS | PB free | Brand Name | Greenfair |
| Model Number | DR radial inductor DR18*20 | Certification | CE, UL, ISO14001 |
| Place of Origin | China | ||
| High Light | radial type inductor ，120 mh inductor | ||
Radial inductor DR18*20 inductor 1.2mm wire Low-resistance Leaded Power Inductor Coils , High-current Power Inductors
DR radial inductor
The DR inductor is a small electric component which occupies a small area on PCB. The four models of our DR inductor mainly differ in appearance. The two pins of the PK model are on the same side, while the VC model put the pins on separated sides. Different models may have different overall sizes, pin lengths, pin diameters, or pin intervals. Our production process is very precise so that the difference in pin length is less than 2mm, and the difference in pin intervals is less than 0.3mm.
| Model | Size (mm) | ||||
| A (mm) Max | B (mm) Max | C (mm) ±2 | D (mm) ±0.3 | E (mm) ±0.3 | |
| DR4 ×6 | 6 | 8 | 5 | 0.6 | 3 |
| DR6 ×8 | 7.8 | 10 | 5 | 0.6 | 3 |
| DR8 ×10 | 10.5 | 12 | 5 | 0.65 | 5 |
| DR9 ×12 | 11.5 | 14 | 5 | 0.8 | 5 |
Feature
1. Factory price driectly
2. Comparaticely large rated current
3. inductance ranging from 0.33uH to100uH
4. ROHS approval
Operating temperature: -55 to 105°C
Power: 200, 250, 300 and 500W
Voltage: 100V/230, 50Hz
Inductance value is 60μH±10% at 1KHz 0.25V
DCR is 35mΩMAX a t 20℃
Rated current is 4A
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 environment protection
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
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 | WINDING FASHION |
REMARK | |
| 1 | N1 | PEW￠1.2mm*1P | 1---2 | 31.5TS (REF) | CLOSED | ||
| ELECTRICAL CHARACTERISTIC: | |||||||
| NO. | ITEM | MEASURE POINT | TECHNICAL DATA | TEST CONDITION | |||
| 1 | INDUCTANCE | N1 | 60μH±10% | 1KHZ/0.25V | |||
| 2 | DCR | N1 | 35mΩMAX | AT 25℃ | |||
| 3 | RATED CURRENT | N1 | 4.0A MAX | ||||
| MATERIAL LIST: | |||||||
| NO. | MATERIAL NAME | MATERIAL SPEC. | PROVIDER | UL·NO | |||
| 1 | CORE | DRH18*20 C=Φ7.5 K3B | FERRITE KING OR EQUIVALENT | ||||
| 2 | WIRE | MW5# PEW | DARTONG OR EQUIVALENT | E237377 | |||
| 3 | TUBE | RSFR-X WHITE | WOER HEAT-SHRINKABLE MATERIAL (white colour) |
E203950 | |||
| 4 | PLUG | NYLON | NANJIDA | E304843 | |||
| 5 | VARNISH | 8562(a) | HENG CHEUNG OR EQUIVALENT | E200154 | |||
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
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2006
Total Annual:
2000000-4000000
Employee Number:
100~400
Ecer Certification：
Active Member
Greenfair Electronics is one of the key electric enterprises in Shenzhen., professional in design and manufacture High Frequency Transformer, Power Transformer, Inductors, EMI equipment, SMT Magnetic Components, Network and Telecommunication Transformers, Automotive and Telecommunication Application... Greenfair Electronics is one of the key electric enterprises in Shenzhen., professional in design and manufacture High Frequency Transformer, Power Transformer, Inductors, EMI equipment, SMT Magnetic Components, Network and Telecommunication Transformers, Automotive and Telecommunication Application...
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