Product Overview
This document specifies the requirements for Nonflammable Metal Oxide Film Resistors manufactured by CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD. These resistors are designed to meet environmental substance requirements, including RoHS testing. They are suitable for various applications requiring reliable resistance values and nonflammable properties.
Product Attributes
- Brand: CHIAN CHIA ELECTRONIC
- Manufacturer: CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD
- Origin: Shenzhen, China (implied from company name)
- Material: Metal Oxide Film (Resistor element), High alumina ceramic (Core), Tinned iron (Terminal caps), Silicon resin (Finishing painting)
- Certifications: UL-94V-0 (Nonflammable specification)
- Color: Gray (Normal size), Gray or Pink (Small size)
Technical Specifications
| Type | Rated Power | Nominal Resistance Range | Resistance Tolerance | Max. Working Voltage | Max. Overload Voltage | Dielectric Withstanding Voltage | Operating Temperature Range | Temperature Coefficient |
| MOF1/4W | 0.25W | 0.1 ~100K | J (5%), G (2%) | 250V | 400V | 200V | -55+235 | 350PPM/ (500PPM/1) |
| MOF1/2W | 0.5W | 0.1 ~100K | J (5%), G (2%) | 250V | 400V | 300V | -55+235 | 350PPM/ (500PPM/1) |
| MOF1W | 1W | 0.1 ~100K | J (5%), G (2%) | 350V | 600V | 350V | -55+235 | 350PPM/ (500PPM/1) |
| MOF2W | 2W | 0.1 ~100K | J (5%), G (2%) | 350V | 600V | 350V | -55+235 | 350PPM/ (500PPM/1) |
| MOF3W | 3W | 0.1 ~100K | J (5%), G (2%) | 500V | 800V | 400V | -55+235 | 350PPM/ (500PPM/1) |
| MOF5W | 5W | 0.1 ~100K | J (5%), G (2%) | 750V | 1000V | 400V | -55+235 | 350PPM/ (500PPM/1) |
| MOF1/2WS | 0.5W | 0.1 ~100K | J (5%), G (2%) | 250V | 400V | 200V | -55+235 | 350PPM/ (500PPM/1) |
| MOF1WS | 1W | 0.1 ~100K | J (5%), G (2%) | 350V | 600V | 300V | -55+235 | 350PPM/ (500PPM/1) |
| MOF2WS | 2W | 0.1 ~100K | J (5%), G (2%) | 350V | 600V | 350V | -55+235 | 350PPM/ (500PPM/1) |
| MOF3WS | 3W | 0.1 ~100K | J (5%), G (2%) | 350V | 600V | 350V | -55+235 | 350PPM/ (500PPM/1) |
| MOF5WS | 5W | 0.1 ~100K | J (5%), G (2%) | 500V | 800V | 400V | -55+235 | 350PPM/ (500PPM/1) |
Key Characteristics & Tests
| Item | Performance Specification | Test Method (Conform to JIS C 5202) |
| Short time overload | Within (1%+0.05). No evidence of mechanical damage. | Rated voltage2.5 times, 5s. Not to exceed maximum overload voltage. |
| Insulation Resistance | 104M or more. | V-block method. Apply DC 500V for 60 seconds. |
| Dielectric Withstanding Voltage | No evidence of flashover, arcing or insulation breakdown. | Constant pressure, V-block method. Apply AC potential respectively for 60 seconds. |
| Pulse overload | Within (2%+0.05). | Rated voltage X 4 times, 10000 cycles (1s ON, 25s OFF). Not to exceed maximum pulse voltage. |
| Terminal strength | No evidence of mechanical damage. | Tensile strength and Torsional strength tests as specified. |
| Resistance to soldering heat | Within (1%+0.05). No evidence of mechanical damage. | 35010, 31.0s. Leave for 0.5h after test. |
| Solderability | Covered with new solder by 95% at least. | Solder temperature: 2555. Dipping time: 31.0s. |
| Resistance to solvent | No deterioration of protective coating and markings. | Immerse in isopropanol for 3 minutes with ultrasonic. |
| Temperature cycle | Within (2%+0.05). No evidence of mechanical damage. | -55/30min, Room temp. (10-15min) to 80/30min, Room temp. (10-15min), 5 cycles. |
| Load life in humidity | Within (5%+0.05). | 402, 90-95%RH, 1000h. Rated voltage (90 min ON, 30 min OFF). |
| Load life | Within (5%+0.05). | 703, 1000h. Rated voltage (90 min ON, 30 min OFF). |
2410121231_CCO-Chian-Chia-Elec-MOF2WS-0-1R-5--T_C121564.pdf
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