Metal Strip Chip Resistor Specs

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Dimensions

                

Size Code	Resistance (mW)	Coating	L (mm)	W (mm)	T (mm)	D (mm)
2512	0.5 to 0.75	Green	6.35±0.25	3.18±0.35	1.00±0.20	1.93±0.75
2512	1.0 to 20	Green	6.35±0.25	3.18±0.35	0.60±0.20	1.93±0.75
2512	0.50	Black	6.35±0.25	3.18±0.25	1.40±0.20	1.30±0.30
2512	0.75	Black	6.35±0.25	3.18±0.25	1.00±0.20	1.30±0.30
2512	1.00	Black	6.35±0.25	3.18±0.25	0.80±0.20	1.30±0.30
2512	1.50	Black	6.35±0.25	3.18±0.25	0.65±0.20	1.30±0.30
2512	2.00	Black	6.35±0.25	3.18±0.25	0.50±0.20	1.30±0.30
2512	2.50	Black	6.35±0.25	3.18±0.25	1.00±0.20	1.30±0.30
2512	3.00	Black	6.35±0.25	3.18±0.25	0.70±0.20	1.30±0.30
2512	3.50	Black	6.35±0.25	3.18±0.25	0.71±0.20	1.30±0.30
2512	4.00	Black	6.35±0.25	3.18±0.25	0.60±0.20	1.30±0.30
2512	4.50	Black	6.35±0.25	3.18±0.25	0.58±0.20	1.30±0.30
2512	5.00	Black	6.35±0.25	3.18±0.25	0.50±0.20	1.30±0.30
2512	5.50	Black	6.35±0.25	3.18±0.25	0.47±0.20	1.30±0.30
2512	6.00	Black	6.35±0.25	3.18±0.25	0.50±0.20	1.30±0.30
2512	6.50	Black	6.35±0.25	3.18±0.25	0.47±0.20	1.30±0.30
2512	7.00	Black	6.35±0.25	3.18±0.25	0.45±0.20	1.30±0.30
2512	10.0	Black	6.50±0.35	3.20±0.25	0.80±0.15	1.90±0.15

 

Performance Characteristic

Item	Condition of test	Performance of requirement
		Black Coating	Green Coating
Temperature Coefficient of Resistance	(According to JIS C 5202 item 5.2) Measure resistance at +25¢J as R0, then measure at -55¢J and +125 ¢Jrespectively as R. Determine the temperature characteristic of resistance by the following formula.      T.C.R.= (ppm/¢J) Where t0=+25¢Jor specified room temperature  t = -55¢J  or  +125¢J ± 3¢J	As Specification Table
Short-time Overload	(According to JIS C 5202 item 5.5) Apply 2.5 times of rated voltage for 5 seconds. Have the specimen stabilized at room temperature for 30 minutes. Measure£GR/R(%).	±0.5%	±1%
Resistance to Soldering heat	(According to JIS C 5202 item 6.4) Immerse the specimen in the solder pot at 260±5¢J for 10 ±1 seconds. Have the specimen stabilized at room temperature for 30 minutes minimum. Measure£GR/R(%).	±0.5%	±1%
Resistance to Dry Heat	(According to JIS C 5202 item 7.2) Place the specimen in the oven at 155±2¢J for 96 hours After the test,have the specimen stabilized at room temperature for one hour minimum. Measure£GR/R(%).	±1%	±1%
Solderability	(According to JIS C 5202 item 6.5) Dipping the specimen in the solder pot at 245±5¢Jfor 5±1 seconds. (Solder : Sn 96.5 / Ag 3 / Cu 0.5 )	At least 95% coverage  (245±5¢J, 3sec)
Thermal Shock	(According to MIL STD 202F Method 107G) In sequence, place the specimen in the chamber at -55¢J / 25min., 155¢J/ 25 min. as a cycle, The transfer time shall not exceed 5 minutes. After 100 cycles the specimen shall be stabilized at room temperature for one hour minimum and then measure the £G R/R(%).	±0.5%	±1%
Load Life	(According to JIS C 5202 item 7.10) Place the specimen in the oven at 70±2¢J. Apply the rated voltage to the specimen at the 1.5 hours ¡§ON¡¨ and 0.5 hour ¡§OFF¡¨ cycle. The total time of test is 1000 hours. After the test,have the specimen stabilized at room temperature for one hour minimum and Measure£GR/R(%).	±1%	±1%

 

Standard Electrical Specifications

	Power Rating at 80¢J	Operating Temp. Range	Resistance Tolerance (±%)	Resistance  (m£[)	TCR (PPM/¢J)
2512	1W	-55¢J ~ +170¢J	1,3,5	0.5¡ã2.0	50
2512	1W	-55¢J ~ +170¢J	1,3,5	2.5¡ã3.0	150
2512	1W	-55¢J ~ +170¢J	1,3,5	4.0¡ã5.5	100
2512	1W	-55¢J ~ +170¢J	1,3,5	6.0¡ã7.0	75
2512	1W	-55¢J ~ +170¢J	1,3,5	10	100
2512	1W	-55¢J ~ +170¢J	1,3,5	8.0¡ã20	50

¡° Operating voltage is determined by 

¡° Operating current is determined by 

 

High Power Rating Electrical Specifications

	Power Rating at 80¢J	Operating Temp. Range	Resistance Tolerance (±%)	Resistance  (m£[)	TCR (PPM/¢J)
2512	2.0W	-55¢J ~ +170¢J	1,3,5	0.5¡ã2.0	50
2512	2.0W	-55¢J ~ +170¢J	1,3,5	7.0¡ã10.0	50
2512	2.5W	-55¢J ~ +170¢J	1,3,5	4.0¡ã6.0	50
2512	3.0W	-55¢J ~ +170¢J	1,3,5	3.0	75
2512	3.0W	-55¢J ~ +170¢J	1,3,5	1.0¡ã2.0	50
2512	3.0W	-55¢J ~ +170¢J	1,3,5	0.5¡ã0.75	100

¡° Operating voltage is determined by 

¡° Operating current is determined by 

 

Derating curve

Power rating or current rating is in the case based

on continuous full-load at ambient temperature of

80¢J.

For operation at ambient temperature in excess of

80¢J, the load should be derated in accordance with

figure of Derating Curve.

 

 

 

 

 

Packaging

Emboss Plastic Tape Specifications

         

                                                                                                                                                                                 Unit: mm

Resistance (m£[)	A	B	W	E	F	P0	P1	P2	£rD0	T
0.50	3.40±0.1	6.70±0.1	12.0±0.1	1.75±0.1	5.5±0.05	4.0±0.05	4.00±0.1	2.0±0.05	1.50+0.1	1.40±0.1
0.75	3.50±0.1	6.80±0.2	12.0±0.1	1.75±0.1	5.5±0.05	4.0±0.05	4.00±0.1	2.0±0.05	1.50+0.1	1.35±0.1
1¡ã20	3.40±0.1	6.70±0.1	12.0±0.1	1.75±0.1	5.5±0.05	4.0±0.05	4.00±0.1	2.0±0.05	1.50+0.1	0.80±0.1

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