Metal Film Fixed Resistor

This specification covers Metal Film Fixed Resistors manufactured by CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD, complying with RoHS environmental substance requirements. These resistors are designed for various applications requiring precise resistance values and stable performance.

Product Attributes

Brand: CHIAN CHIA ELECTRONIC
Manufacturer: CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD
Origin: Shenzhen, Hubei Province, China
Material: Metal film resistor element, High alumina ceramic core, Tinned iron cap terminals, Epoxy resin finishing paint
Color: Sky blue (for both Normal and Small size types)
Certifications: RoHS

Technical Specifications

Type	Rated Power	Resistance Range ()	Tolerance	Max. Working Voltage (V)	Max. Overload Voltage (V)	Dielectric Withstanding Voltage (V)	Operating Temperature Range ()
MF1/8W	0.125W	1 ~1M	J (5%), G (2%), F (1%), D (0.5%)	150	300	300	-55 ~ +155
MF1/4W	0.25W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	250	500	350	-55 ~ +155
MF1/2W	0.5W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	300	700	400	-55 ~ +155
MF1W	1W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	350	800	450	-55 ~ +155
MF2W	2W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	800	450	-55 ~ +155
MF3W	3W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	800	500	-55 ~ +155
MF5W	5W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	1000	500	-55 ~ +155
MF1/4WS	0.25W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	150	300	300	-55 ~ +155
MF1/2WS	0.5W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	250	700	350	-55 ~ +155
MF1WS	1W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	300	800	400	-55 ~ +155
MF2WS	2W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	350	800	450	-55 ~ +155
MF3WS	3W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	1000	450	-55 ~ +155
MF5WS	5W	1 ~10M	J (5%), G (2%), F (1%), D (0.5%)	500	1000	500	-55 ~ +155

Key Characteristics

Item	Performance Specification	Test Method (JIS C 5202)
Temperature Coefficient	Within 100PPM/	5.2
Short Time Overload	Within (0.5%+0.05). No mechanical damage.	5.5 (Rated voltage2.5 times, 5s)
Insulation Resistance	10⁴M or more.	5.6 (DC 500V for 60s)
Dielectric Withstanding Voltage	No flashover, arcing, or insulation breakdown.	5.7 (AC potential as per Table-1 for 60s)
Terminal Strength	No breakage or looseness.	6.1 (Tensile and Torsion strength)
Resistance to Soldering Heat	Within (0.5 %+0.05). No mechanical damage.	6.4 (35010, 31.0s)
Solderability	Covered with new solder by 95% at least.	6.5 (Solder temp: 2555, Dipping time: 31.0s)
Resistance to Solvent	No deterioration of protective coating and markings.	6.9 (Ultrasonic in alcohol solvent for 3 minutes)
Temperature Cycle	Within (1%+0.05). No mechanical damage.	7.4 (5 cycles: -55/30min to +80/30min)
Load Life in Humidity	Within (2%+0.05).	7.9 (402, 90-95%RH, 1000h, Rated voltage)
Load Life	Within (2%+0.05).	7.10 (703, 1000h, Rated voltage)

Indication (Color Code)

Color	1st Figure	2nd Figure	3rd Figure (Multiplier)	Tolerance
Black	0	0	10⁰
Brown	1	1	10¹	1% (F)
Red	2	2	10²	2% (G)
Orange	3	3	10³
Yellow	4	4	10⁴
Green	5	5	10⁵
Blue	6	6	10⁶
Violet	7	7	10⁷
Gray	8	8
White	9	9
Gold			10^-1	5% (J)
Silver			10^-2

External Dimensions (P Type)

Type	I 2.0 (mm)	L 1.0 (mm)	D (mm)	d 0.05 (mm)	H 2.0 (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-MF1-2W-0-1R-1--T_C119393.pdf

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