May 15, 2008

MELF Carbon Film Resistor

Dimension

                                            

                                                                                                                                                                        Unit: mm

Size Code

L

C

D1

D2 Max

D3 Max

0204

3.5±0.2

0.5

14.0±0.15

1.55

1.25

0207

5.9±0.2

0.5

2.2±0.1

2.4

2.1

0309

8.5±0.2

0.5

3.2±0.2

3.4

3.2

            Coating color: Ivory                             

         Marking: Color code (3 color band)

 

Performance Characteristic

Item

Condition of test

Performance of requirement

Short Time Overload

According to JIS C 5202 item 5.5

£GR±1%

Resistance to Soldering heat

According to JIS C 5202 item 6.4

£GR±1%

Intermittent

According to JIS C 5202 item 5.8

£GR±1%

Moisture Resistance

According to JIS C 5202 item 7.9

£GR±5%

Load Life

According to JIS C 5202 item 7.10

£GR±3%

Solderability

According to JIS C 5202 item 6.5

At least 95% coverage

 (245±5¢J, 3sec)

Temperature Coefficient of Resistance

According to JIS C 5202 item 5.2

As Specification Table

 

Standard Electrical Specifications

Size Code

Power Rating

@70¢J

Resistance Range(£[)

Resistance Tolerance

Max. Working Voltage (V)

Max. Overload Voltage (V)

TCR

(PPM/¢J)

0204

1/8W

1£[ ~ 1M£[

±2%

±5%

200

400

<1K : 0 to ¡V350

1K1 to 47K : 0 to -600

51K to 470K : 0 to ¡V1000

510K to 1M : 0 to -1500

0207

1/4W

300

600

<10K : 0 to ¡V350

11K to 150K : 0 to -600

160K to 1M : 0 to ¡V1000

0309

1/2W

350

700

<10K : 0 to ¡V350

11K to 150K : 0 to -600

160K to 1M : 0 to ¡V1000

Max. working voltage is determined by  or Max. working voltage listed above, whichever is lower.

 

High Power Rating Electrical Specifications

Size Code

Power Rating

@70¢J

Resistance Range(£[)

Resistance Tolerance

Max. Working Voltage (V)

Max. Overload Voltage (V)

TCR

(PPM/¢J)

0204

1/4W

1£[ ~ 1M£[

±2%

±5%

250

500

<1K : 0 to ¡V350

1K1 to 47K : 0 to -600

51K to 470K : 0 to ¡V1000

510K to 1M : 0 to -1500

0207

1/2W

300

600

<10K : 0 to ¡V350

11K to 150K : 0 to -600

160K to 1M : 0 to ¡V1000

0309

1W

350

700

<10K : 0 to ¡V350

11K to 150K : 0 to -600

160K to 1M : 0 to ¡V1000

Max. working voltage is determined by  or Max. working voltage listed above, whichever is lower.

 

Ultra High Power Rating Electrical Specifications

Size Code

Power Rating

@70¢J

Resistance Range(£[)

Resistance Tolerance

Max. Working Voltage (V)

Max. Overload Voltage (V)

TCR

(PPM/¢J)

0207

1W

1£[ ~ 1M£[

±2%

±5%

350

700

<10K : 0 to ¡V350

11K to 150K : 0 to -600

160K to 1M : 0 to ¡V1000

0309

2W

350

700

<10K : 0 to ¡V350

11K to 150K : 0 to -600

160K to 1M : 0 to ¡V1000

Max. working voltage is determined by  or Max. working voltage listed above, whichever is lower.

 

Deratingcurve

Power rating or current rating is in the case based on continuous full-load at ambient temperature of 70¢J. for operation at ambient temperature in excess of 70¢J, the load should be derated in accordance with figure of Derating Curve