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Your Current Location :Home » Products » Metal Glazed Resistors  » RI40 METAL GLAZED RESISTORS
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RI40 METAL GLAZED RESISTORS

FEATURES

■ Excellent anti- surge characteristics.
■ Stable characteristics of moisture resistance up to high resistance range.
■ Products meet EU-RoHS requirements.EU-RoHS regulation is not intended for Pb-glass contained in resistor element.
■ Automatic mounting machine is applicable by surface mounted device style lead forming.
■ Approved to UL、CQC、VDE.
■ Applications:TVs、CRT displays Copy machines LBP LBPs VTR VTRs
   Switching power supplies AC adapters Induction cooker 、Electric pressure cooker

DERATING CURVE

For resistors operated at an ambient temperature of 70ºC or above, a power rating shall be derated in accordance with the above derating curve.

DIMENSIONS

Type

Rtated power

L±1

ΦD±0.5

φd±0.05

Remark 

RI40

0.25W

6.8

2.4

0.5

 

0.5W

9.8

3.5

0.55

 

1W

11.0

4.0

0.65

Φ3*9

1W

11.5

4.0

Φ3*10

1W

11.5

4.5

Φ3510

1W

12.5

4.0

0.75

Φ3*11

2W

15.5

5.0

Φ4014

2W

15.5

5.6

Φ4514

3W

17.0

7.0

 

5W

24.0

8.0


RATINGS

Type

Rtated power(W)

Resistance Range

Resistance tolerance

Max. Working
Voltage

Max. Overload
Voltage

Voltage Proof

 

RI40

 

0.25W

1K~1000MΩ

±1%(F)
±2%(G)
±5%(J)

1500V

2500V

500

0.5W

2500V

3500V

600

1W

3500V

5000V

800

2W

5000V

7000V

3W

6000V

8000V

5W

10000V

15000V

Rated Ambient Temperature :+70℃
Operating Temperature Range:-55℃~+155℃
Rated voltage = √Power Rating×Resistance value or Max. working voltage, whichever is lower.

ELECTRICAL PERFORMANCE

Test Items

Performance Requirements

Test Methods

Voltage Proof

No,breakdown or flashover

Wrapping foil method、applied voltage see above ratings table、1 min±5S

Short Time Overload

△R≤±(0.5%R+0.05Ω)

2.5 times rated voltage or Max. overload  voltage , whichever is lower, for 5s.

Solderability

Over 95% of area wire covered with solder

260±10℃、2±0.5S

Robustness of Terminations

△R≤±(0.5%R+0.05Ω)

Tensile:10N、10±1S Bending:2×90° Torsion:2×180°

Resistance to soldering heat

△R≤±(0.5%R+0.05Ω)

260±10℃、10±1S or 350±5℃  3.5±0.5S

Rapid change temperature

△R≤±(0.5%R+0.05Ω)

-55±3℃、30min; 155±3℃、30min 5 cycles

Intermittent overload

△R≤±(5%R+0.1Ω)

2.5 times of rated voltage for 1S ON,25S OFF;10000 cycles.

Temperature Coefficient

TCR≤±200PPM/℃

Room Temperature +100℃、and keep on 30~40min

Endurance

△R≤±(5%R+0.1Ω)

70±2℃、1000h,Rated direct voltage 1.5h ON、0.5h OFF  cycles.

Unexpected overload

Net-shaped tube dose not catch fire

16、25 rated power voltage,keep on 5±0.5min;

Damp Heat Steady State

△R≤±(5%R+0.1Ω)

40±2℃、90~95%RH、56 days.

Anti-surge  characteristics

△R≤±(5%R+0.1Ω)

Discharge test : According to the following table applied voltage, Charging  for 4.5 S and  discharge for 0.5 S, for 50 times impact test.


Rtated Power

Resistance Range

Applied voltage

0.25W

100K<R

3KV

0.5W

10K≤R<100K

3KV

100K≤R<470K

5KV

470K≤R<1M

7KV

1M≤R

10KV

>0.5W

480K≤R

10KV


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