Metal Film Fixed Resistor

This specification applies to Metal Film Fixed Resistors manufactured by CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD, conforming to RoHS environmental substance requirements. These resistors are distinguished by type, rated power, nominal resistance value, tolerance, and form.

Product Attributes

Brand: CHIAN CHIA ELECTRONIC
Origin: CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD
Material: Metal Film (Resistor element), High alumina ceramic (Core), Tinned iron (Terminal caps), Epoxy resin (Finishing painting)
Color: Sky blue (for both Normal and Small sizes)
Certifications: RoHS

Technical Specifications

Type	Rated Power (W)	Nominal Resistance Range ()	Tolerance	Max. Working Voltage (V)	Max. Overload Voltage (V)	Dielectric Withstanding Voltage (V)
MF1/8W	0.125	1 ~1M	J (5%), G (2%), F (1%), D (0.5%)	150	300	300
MF1/4W	0.25	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	250	500	350
MF1/2W	0.5	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	300	700	400
MF1W	1	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	350	800	450
MF2W	2	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	800	450
MF3W	3	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	800	500
MF5W	5	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	1000	500
MF1/4WS	0.25	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	150	300	300
MF1/2WS	0.5	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	250	700	350
MF1WS	1	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	300	800	400
MF2WS	2	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	350	800	450
MF3WS	3	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	1000	450
MF5WS	5	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	1000	500

Construction

NO	Item	Material
1	Core	High alumina ceramic
2	Resistor element	Metal film
3	Terminal caps	Tinned iron
4	Connection	Welding process
5	Lead wire	Soldered or tinned annealed wire
6	Undercoat painting	Electric insulation resin
7	Finishing painting	Epoxy resin
8	Indication	Color code

Characteristics

Item	Performance	Test methods(Conform to JIS C 5202)
Temperature Coefficient	Within 100PPM/	Comply with 5.2
Short time overload	Within (0.5%+0.05 ). No evidence of mechanical damage.	Comply with 5.5
Insulation Resistance	10⁴M or more.	Comply with 5.6
Dielectric Withstanding Voltage	No evidence of flashover, arcing or insulation breakdown.	Comply with 5.7
Terminal strength	No evidence of mechanical damage.	Comply with 6.1
Soldering heat resistance	Within (0.5 %+0.05 ). No evidence of mechanical damage.	Comply with 6.4
Solderability	Covered with new solder by 95% at least.	Comply with 6.5
Resistance to solvent	No deterioration of protective coating and markings.	Comply with 6.9
Temperature cycle	Within (1%+0.05 ). No evidence of mechanical damage.	Comply with 7.4
Load life in humidity	Within (2%+0.05 )	Comply with 7.9
Load life	Within (2%+0.05 )	Comply with 7.10

Indication (Color Code)

Color	1st figure	2nd figure	3RD figure	Multiplier	Tolerance
Black	0	0	0	10⁰
Brown	1	1	1	10¹	1% (F)
Red	2	2	2	10²	2% (G)
Orange	3	3	3	10³
Yellow	4	4	4	10⁴
Green	5	5	5	10⁵
Blue	6	6	6	10⁶	0.5% (D)
Violet	7	7	7	10⁷	0.25% (C)
Gray	8	8	8		0.1% (B)
White	9	9	9		0.05% (A)
Gold				10^-1	5% (J)
Silver				10^-2
Plain					0.1%, 0.25%, 0.5%, 1% (5-Band code)

External Dimensions (P Type)

Type	I 2.0 (mm)	L 1.0 (mm)	D (mm)	d0.05 (mm)	H2.0 (mm)
MF1/8W, MF1/4WS	60	3.2	1.80.5	0.40	27
MF1/4W, MF1/2WS	60	6.5	2.30.5	0.43	26
MF1/2W, MF1WS	60	9.0	3.20.5	0.50	26
MF1W, MF2WS	60	11.5	4.51.0	0.68	25
MF2W	73	11.5	4.51.0	0.68	31
MF3WS	60	15.5	5.01.0	0.68	23
MF3W	81	15.5	5.01.0	0.68	33
MF5WS	94	17.5	6.01.0	0.68	38
MF5W	94	24.5	8.01.0	0.68	35

2410121228_CCO-Chian-Chia-Elec-MF2WS-20KR-1--T_C119609.pdf

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