May 15, 2008

MELF Metal 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 (4 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

Resistance Range(£[)

Resistance Tolerance

TCR

(PPM/¢J)

Max. Working Voltage (V)

Max. Overload Voltage (V)

0204

1/8W

10 to 1M

±5%

±200

150

300

10 to 1M

±2%

±100

10 to 1M

±1%

±50

0207

1/4W

10 to 1M

±5%

±200

250

500

10 to 1M

±2%

±100

10 to 1M

±1%

±50

0309

1/2W

10 to 1M

±5%

±200

350

700

2.2 to 1M

±2%

±100

51.1 to 1M

±1%

±50

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

 

High Power Rating Electrical Specifications

Size Code

Power Rating

Resistance Range(£[)

Resistance Tolerance

TCR

(PPM/¢J)

Max. Working Voltage (V)

Max. Overload Voltage (V)

0204S

1/4W)

10 to 1M

±5%

±200

200

400

10 to 1M

±2%

±100

10 to 1M

±1%

±50

0207S

1/2W

10 to 1M

±5%

±200

250

500

2.2 to 1M

±2%

±100

10 to 1M

±1%

±50

0309S

1W

10 to 1M

±5%

±200

350

700

2.2 to 1M

±2%

±100

51.1 to 1M

±1%

±50

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

 

High Precision Electrical Specifications

Size Code

Power Rating

Resistance Range(£[)

Resistance Tolerance

TCR

(PPM/¢J)

Max. Working Voltage (V)

Max. Overload Voltage (V)

0204

1/8W

100 to 100K

±0.1%

±15

150

300

51.1 to 330K

±0.25%

±25

10£[ ~ 1M£[

±0.5%

±50

0207

1/4W

100£[ ~ 100K£[

±0.1%

±15

250

500

51.1£[ ~ 330K£[

±0.25%

±25

10 to 1M

±0.5%

±50

0309

1/2W

100£[ ~ 100K£[

±0.1%

±15

350

700

51.1£[ ~ 511K£[

±0.25%

±25

10 to 1M

±0.5%

±50

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

 

High Precision, High Power Rating Electrical Specifications

Size Code

Power Rating

Resistance Range(£[)

Resistance Tolerance

TCR

(PPM/¢J)

Max. Working Voltage (V)

Max. Overload Voltage (V)

0204S

1/4W

100£[ ~ 100K£[

±0.1%

±15

200

400

51.1£[ ~ 330K£[

±0.25%

±25

10 to 1M

±0.5%

±50

0207S

1/2W

100£[ ~ 100K£[

±0.1%

±15

250

500

51.1£[ ~ 330K£[

±0.25%

±25

10 to 1M

±0.5%

±50

0309S

1W

100£[ ~ 100K£[

±0.1%

±15

350

700

51.1£[ ~ 330K£[

±0.25%

±25

10£[ ~ 1M£[

±0.5%

±50

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

 

 

Derating curve

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