Beijing Silk Road Enterprise Management Services Co., Ltd.
| Type | Metal Film Resistor |
| Resistance | 680Ω |
| Voltage-Supply(Max) | 250V |
| Power(Watts) | 250mW |
| Temperature Coefficient | ±100ppm/℃ |
| Tolerance | ±1% |
| Operating Temperature | -55℃~+155℃ |
| Description | Metal Film Resistor 680Ω 250mW ±100ppm/℃ ±1% Through Hole,D2.3xL6.5mm Through Hole Resistors RoHS |
| Mfr. Part # | MF1/4W-680Ω±1% T |
| Package | Through Hole,D2.3xL6.5mm |
| Model Number | MF1/4W-680Ω±1% T |
View Detail Information
Explore similar products
Futaba Elec RSS02J4700A520NH fixed resistor with UL94 V0 flameproof coating and
Wirewound Power Resistor BOURNS W5M15R0J with Low Thermal Resistant Ceramic Core
High voltage precision resistor RESI HVLR1905J1M80K9 with low voltage coefficien
Lead Free Metal Film Fixed Resistors UNI ROYAL MFR0W4F1001A50 Series Precise
Product Specification
| Type | Metal Film Resistor | Resistance | 680Ω |
| Voltage-Supply(Max) | 250V | Power(Watts) | 250mW |
| Temperature Coefficient | ±100ppm/℃ | Tolerance | ±1% |
| Operating Temperature | -55℃~+155℃ | Description | Metal Film Resistor 680Ω 250mW ±100ppm/℃ ±1% Through Hole,D2.3xL6.5mm Through Hole Resistors RoHS |
| Mfr. Part # | MF1/4W-680Ω±1% T | Package | Through Hole,D2.3xL6.5mm |
| Model Number | MF1/4W-680Ω±1% T |
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 reliability.
| Type | Rated Power | Max. Working Voltage | Max. Overload Voltage | Dielectric Withstanding Voltage | Resistance Range () | Operating Temperature Range |
| MF1/8W (Normal) | 0.125W | 150V | 300V | 300V | 1 ~1M | -55+155 |
| MF1/4W (Normal) | 0.25W | 250V | 500V | 350V | 1 ~10M | -55+155 |
| MF1/2W (Normal) | 0.5W | 300V | 700V | 400V | 1 ~10M | -55+155 |
| MF1W (Normal) | 1W | 350V | 800V | 450V | 1 ~10M | -55+155 |
| MF2W (Normal) | 2W | 500V | 800V | 450V | 1 ~10M | -55+155 |
| MF3W (Normal) | 3W | 500V | 800V | 500V | 1 ~10M | -55+155 |
| MF5W (Normal) | 5W | 500V | 1000V | 500V | 1 ~10M | -55+155 |
| MF1/4WS (Small) | 0.25W | 150V | 300V | 300V | 1 ~10M | -55+155 |
| MF1/2WS (Small) | 0.5W | 250V | 700V | 350V | 1 ~10M | -55+155 |
| MF1WS (Small) | 1W | 300V | 800V | 400V | 1 ~10M | -55+155 |
| MF2WS (Small) | 2W | 350V | 800V | 450V | 1 ~10M | -55+155 |
| MF3WS (Small) | 3W | 500V | 1000V | 450V | 1 ~10M | -55+155 |
| MF5WS (Small) | 5W | 500V | 1000V | 500V | 1 ~10M | -55+155 |
| Item | Performance | Test Methods (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 (Rated voltage2.5 times, 5s) |
| Insulation Resistance | 104M or more. | Comply with 5.6 (DC 500V for 60 seconds) |
| Dielectric Withstanding Voltage | No evidence of flashover, arcing or insulation breakdown. | Comply with 5.7 (AC potential respectively for 60 seconds) |
| Terminal strength | No evidence of mechanical damage. | Comply with 6.1 (Tensile and Torsion strength tests) |
| Resistance to soldering heat | Within (0.5%+0.05). No evidence of mechanical damage. | Comply with 6.4 (35010, 31.0s) |
| Solderability | Covered with new solder by 95% at least. | Comply with 6.5 (Solder temp: 2555, Dipping time: 31.0s) |
| Resistance to solvent | No deterioration of protective coating and markings. | Comply with 6.9 (Ultrasonic bath in alcohol solvent for 3 minutes) |
| Temperature cycle | Within (1%+0.05). No evidence of mechanical damage. | Comply with 7.4 (5 cycles of -55 to +80) |
| Load life in humidity | Within (2%+0.05). | Comply with 7.9 (402, 90-95%RH, 1000h) |
| Load life | Within (2%+0.05). | Comply with 7.10 (703, 1000h) |
| 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 | |
| Violet | 7 | 7 | 7 | 107 | 0.1% (B) |
| Gray | 8 | 8 | 8 | 108 | 0.05% (A) |
| White | 9 | 9 | 9 | 109 | |
| Gold | 10-1 | 5% (J) | |||
| Silver | 10-2 |
| Type | I 2.0 | L 1.0 | D | d 0.05 | H 2.0 |
| 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 |
| MF3W / MF3WS | 60 | 15.5 | 5.01.0 | 0.68 | 23 |
| MF3W / MF3WS | 81 | 15.5 | 5.01.0 | 0.68 | 33 |
| MF5W / MF5WS | 94 | 17.5 | 6.01.0 | 0.68 | 38 |
| MF5W | 94 | 24.5 | 8.01.0 | 0.68 | 35 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
>>300
Ecer Certification：
Verified Supplier
Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an... Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an...
Get in touch with us
Leave a Message, we will call you back quickly!