1 OHM Surge Led Metal Film Chip Resistors with 0.1% Tolerance

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seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-18 13:00
Browse the number: 382
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Product details

1 ohm Surge Led Metal Film Chip Resistors with 0.1% Tolerance

Features:

1. Low temperature coefficient, high precision, good high frequency performance.

2. Operating ambient temperature: :-55℃~+155℃

3. Film the metal in Vacuum, the surface coats blue resin with the good waterproof.

4. Resistance tolerance: ±0.1%、±0.25%、±0.5%、±1%、 ±5%

 

Structural Drawing:

A、 High heat exchanged Ceramic core.

B、 High stability Electric conduction film.

C、 Iron Cap.

D、 Epoxy resin coating.

E、 Color Ring.


Product Specification

Part No.

Type

Power

Resistance range

Dimensions(mm)

Max. working voltage

Max. overload voltage

Max. Pulse voltage

Max. insulation voltage

L±0.5

D±0..5

MEF020414

0204

1/4W

1R-10M

6.0

2.3

250V

500V

300V

300V

MEF020412

0204

1/2W

1R-10M

6.0

2.3

250V

500V

500V

500V

MEF020712

0207

1/2W

1R-10M

9.0

3.2

300V

600V

600V

600V

MEF02071S

0207

1W

1R-10M

9.0

3.2

350V

700V

700V

700V

MEF04112S

0411

2W

1R-10M

11.0

4.5

6.0

800V

800V

800V



Rated Power Derating Curve:



Perfoamance Test: 

Test Item

Test Condition

Performance

Temperature coefficient

Test the resistance value at normal temperature and normal temperature added 100℃,calculate per℃ resistance value change rate .

±5~50ppm/℃

 

Short time overload

 

2.5 × rated voltage or Max.overload voltage (get the lower) for 5 seconds.

ΔR≤±(0.5%R0+0.05Ω)

Pulse overload

At 4 × rated voltage or Max. pulse overload voltage (get the lower) cycle 10000±200 times(1 second on, 25 seconds off ).

ΔR≤±(1%R0+0.05Ω)

Resistance to soldering heat

Immerge into 350±10℃ tin stove for 2~3 seconds.

ΔR≤±(0.5%R0+0.05Ω)

Solderability

Immerge into 245±3℃ tin stove for 2~3 seconds.

The area of soldering is over 95%

Temperature cycling

At  -55℃ for 30 min, then at +25℃ for 10~15 min, then at +125℃ for 30 min, then at +25℃ for 10~15 min, total 5 cycles.

ΔR≤±(0.5%R0+0.05Ω)

Load life in humidity

Overload rated voltage or Max.working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off ) at the 40±2℃ and 90~95% relative humidity.

ΔR≤±(2%R0+0.05Ω)

Load life in heat

Overload rated voltage or Max.working voltage (get the lower ) for 1000 hours (1.5 hours on and half-hour off) at the 70±2℃.

ΔR≤±(2%R0+0.05Ω)


Product Qualification



Certificates:



Means of Delivery:



Our Shipment:

1. We will ship the goods within 1-3 work days after payment confirmation.

2. We can ship goods via DHL/Fedex/UPS/TNT/EMS. Pls tell us which you prefer. We suggest DHL, because it is cheapest and fast in China.

3. We are not responsible for any accidents, delays or other situations related with shipping company. But we will keep focus on the package tracking.

4. Any import fees or charges are the buyer's responsibility.

 

FAQ:

Q1: How to guarantee the Quality of Industrial Parts?

A1: We have the integrated system for industrial parts quality control. We have IQC(income quality control), IPQCS(in process quality control section), FQC(final quality control) and OQC(out-going quality control) to control each process of industrial parts production.

 

Q2: What’s the Advantage of Your Parts for Industry Products?

A2: The advantage of our products is the competitive prices, fast delivery and high quality. Our employees are responsible-oriented, friendly-oriented and diligent-oriented. Our products are featured by strict tolerance, smooth finish and long service time.


Q3: Why Should Choose Us?

1. We have more than 20 years of experience in electronics industry and strictly follow the international standard in manufacturing.

2. We cooperate with a large number of high-quality suppliers.

3. We have a professional team, our customer concept is “customer first, excellent service”.


About Us



We are specializes in a great variety of resistors, (low, high resistance value supply by your request). It can be widely used in various kinds of industry line, such as TV, Audio, Monitor, New Energy, Lighting, Transducer, Power Supply, UPS, Digital Products, Charger, Household Appliances, Apparatus, Electric Welding Machine, Elevator and other industries.



PakHeng Electronics is one of the leading 1 ohm surge led metal film chip resistors with 0.1% tolerance manufacturers and suppliers in China, offering the free sample and competitive price. Welcome to wholesale the high quality bulk resistors made in China from us. It if of good performance and high safety.

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