Fusible Metal Film Resistor
This specification is available for Fusible Metal Film Resistors manufactured by CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD. These resistors are designed to meet RoHS environmental requirements. They are constructed with a ceramic core, metal film resistor element, tinned iron terminal caps, and lead wires. The finishing paint is silicon resin, conforming to UL-94V-0 nonflammable specifications. Indication is by color code.
Product Attributes
- Brand: CHIAN CHIA ELECTRONIC (HU BEI) CO.,LTD
- Product Name: Fusible Metal Film Resistor
- Origin: Shenzhen, China (implied by company name)
- Material: Ceramic core, Metal Film resistor element, Tinned iron terminal caps, Silicon resin finishing paint
- Certifications: UL-94V-0 (Nonflammable specification)
Technical Specifications
| Type | Rated Power | Nominal Resistance Value | Resistance Tolerance | Max. Open Voltage | Dielectric Withstanding Voltage | Operating Temperature Range | Resistance Range () | Body Color (Normal) | Body Color (Small) |
| FR1/4W | 0.25W | E-24 Series | J (5%) | 150V | 200V | -55+155 | 0.1~1K | Gray | |
| FR1/2W | 0.5W | E-24 Series | J (5%) | 250V | 300V | -55+155 | 0.1~1K | Gray | |
| FR1W | 1W | E-24 Series | J (5%) | 250V | 350V | -55+155 | 0.1~1K | Gray | |
| FR2W | 2W | E-24 Series | J (5%) | 250V | 350V | -55+155 | 0.1~1K | Gray | |
| FR3W | 3W | E-24 Series | J (5%) | 300V | 400V | -55+155 | 0.1~1K | Gray | |
| FR5W | 5W | E-24 Series | J (5%) | 300V | 400V | -55+155 | 0.1~1K | Gray | |
| FR1/2WS | 0.5W | E-24 Series | J (5%) | 250V | 200V | -55+155 | 0.1~1K | Pink | |
| FR1WS | 1W | E-24 Series | J (5%) | 250V | 300V | -55+155 | 0.1~1K | Pink | |
| FR2WS | 2W | E-24 Series | J (5%) | 250V | 350V | -55+155 | 0.1~1K | Pink | |
| FR3WS | 3W | E-24 Series | J (5%) | 300V | 350V | -55+155 | 0.1~1K | Pink | |
| FR5WS | 5W | E-24 Series | J (5%) | 300V | 400V | -55+155 | 0.1~1K | Pink |
Performance Characteristics
| Item | Performance Specification | Test Method (Conform to JIS C 5202) |
| Temperature Coefficient | 200PPM/ (500PPM/1) | Comply with 5.2 |
| Short Time Overload | Within (1%+0.05). No evidence of mechanical damage. | Comply with 5.5 (Rated voltage2.5 times, 5s) |
| Dielectric Withstanding Voltage | No evidence of flashover, arcing or insulation breakdown. | Comply with 5.7 (Constant pressure, V-block method, AC potential for 60 seconds) |
| Terminal Strength | No evidence of mechanical damage. | Comply with 6.1 (Tensile strength, Torsion strength) |
| Resistance to Soldering Heat | Within (1%+0.05). No evidence of mechanical damage. | Comply with 6.4 (35010, 30.5s) |
| Solderability | Covered with new solder by 95% at least. | Comply with 6.5 (Test temperature of solder: 2555, Dipping time: 31.0s) |
| Resistance to Solvent | No deterioration of protective coating and markings. | Comply with 6.9 (Immersed in isoproalcohol for 3 minutes with ultrasonic) |
| Temperature Cycle | Within (5%+0.05). No evidence of mechanical damage. | Comply with 7.4 (5 cycles: -55/30min to +80/30min) |
| Load Life in Humidity | Within (5%+0.05). | Comply with 7.9 (402, 90 to 95%RH, 1000h, Rated voltage) |
| Load Life | Within (5%+0.05). | Comply with 7.10 (703, 1000h, Rated voltage) |
Fusing Characteristics
| Type | Resistance Range () | Times Rated Power | Fusing Time | Resistance Change after Fusing Test |
| 1/4W | 10.1~1K | 12 | Under 60 sec. | Resistance value >100 times |
| 1/4W | 2.1~10 | 16 | Under 60 sec. | |
| 1/4W | 1.1~2 | 25 | Under 60 sec. | |
| 1/4W | 0.1~1 | 32 | Under 60 sec. | |
| 1/2W | (Implied, specific values not listed for 1/2W and above in this section) | |||
| 1W | (Implied) | |||
| 2W | (Implied) | |||
| 3W | (Implied) |
Note: Fusing Voltage = (Power rating Resistance value Times)
Color Code (Indication)
| Color | 1st Figure | 2nd Figure | Multiplier | Tolerance | Distinguish |
| 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 | 'White' indicates FUS type. | ||
| Gold | 10-1 | 5% (J) | |||
| Silver | 10-2 | ||||
| Plain | 5% | 5-Band code |
External Dimensions (P Type - Bulk Packaging)
| Type | L1.0 (mm) | D (mm) | d0.05 (mm) | H2.0 (mm) | I2.0 (mm) |
| FR1/4W | 6.0 | 2.30.5 | 0.43 | 26 | |
| FR1/2WS | 6.0 | 2.30.5 | 0.43 | 26 | |
| FR1/2W | 9.0 | 3.20.5 | 0.50 | 26 | |
| FR1WS | 9.0 | 3.20.5 | 0.50 | 26 | |
| FR1W | 11.5 | 4.51.0 | 0.68 | 25 | |
| FR2WS | 11.5 | 4.51.0 | 0.68 | 25 | |
| FR2W | 11.5 | 4.51.0 | 0.68 | 31 | 73 |
| FR3WS | 15.5 | 5.01.0 | 0.68 | 33 | 81 |
| FR3W | 15.5 | 5.01.0 | 0.68 | 33 | 81 |
| FR5WS | 17.5 | 6.01.0 | 0.68 | 38 | 94 |
| FR5W | 24.5 | 8.01.0 | 0.68 | 35 | 94 |
Note: The 5th color band is 'White' for FUS type.
2410121228_CCO-Chian-Chia-Elec-FR1WS-10R-5--T_C145951.pdf
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