Beijing Silk Road Enterprise Management Services Co., Ltd.
| Type | Wirewound Resistor |
| Resistance | 680mΩ |
| Power(Watts) | 3W |
| Temperature Coefficient | ±75ppm/℃ |
| Tolerance | ±5% |
| Operating Temperature | -55℃~+200℃ |
| Description | 680mΩ ±5% 3W Through Hole,D5.6xL12.7mm Wirewound Resistor |
| Mfr. Part # | W21-R68JI |
| Package | Through Hole,D5.6xL12.7mm |
| Model Number | W21-R68JI |
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Product Specification
| Type | Wirewound Resistor | Resistance | 680mΩ |
| Power(Watts) | 3W | Temperature Coefficient | ±75ppm/℃ |
| Tolerance | ±5% | Operating Temperature | -55℃~+200℃ |
| Description | 680mΩ ±5% 3W Through Hole,D5.6xL12.7mm Wirewound Resistor | Mfr. Part # | W21-R68JI |
| Package | Through Hole,D5.6xL12.7mm | Model Number | W21-R68JI |
The W20 Series Vitreous Enamelled Wirewound Resistors are designed for harsh environments and offer high stability, reliability, and power dissipation for their size. They are IECQ-CECC approved and feature an impervious lead-free vitreous enamel coating, making them ideal for protection circuits. These resistors are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3).
| Type | L max (mm) | D max (mm) | f min (mm) | d nom (mm) | Wt.nom (g) | Power Rating (W @ 25C) | Resistance Range (Ohms) | Tolerance (%) | TCR (C/ppm) |
|---|---|---|---|---|---|---|---|---|---|
| W21 | 12.7 | 5.6 | 22.75 | 0.8 | 1 | 1 | 1 to 100K | 1, 2, 5 | -55 to +200 / 200 |
| W22 | 22.0 | 8.0 | 23.1 | 0.8 | 2 | 2 | 1 to 100K | 1, 2, 5 | -55 to +200 / 200 |
| W23 | 38.0 | 8.0 | - | 0.8 | 3.5 | 3.5 | 1 to 100K | 1, 2, 5 | -55 to +200 / 200 |
| W24 | 53.5 | 8.0 | - | 0.8 | 5 | 5 | 1 to 100K | 1, 2, 5 | -55 to +200 / 200 |
| Test | Condition | R% (5) | R% (2) | R% (1) |
|---|---|---|---|---|
| Actual Performance Requirements | Maximum Typical Load at commercial rating: 1000 hrs at 25C | 3.5 | - | - |
| Load at CECC rating: 1000 hours at 25C | 5 | - | - | |
| Dry heat | 1000 hours at 200C | 5 | 2 | 1 |
| Shelf life | 12 months at room temperature | Not specified | Not specified | Not specified |
| Short term overload | - | 1 | 1.0 | 0.2 |
| Climatic | - | 5 | 0.5 | 0.2 |
| Climatic category | 55/200/56 | - | - | - |
| Long term damp heat | - | 5 | 0.05 | 0.02 |
| Temperature rapid change | - | 1 | 0.5 | 0.2 |
| Resistance to solder heat | - | 1 | 0.25 | 0.03 |
| Vibration and bump | - | 1 | 0.25 | 0.05 |
| Robustness | - | 1 | 0.4 | 0.05 |
Example: W22-3K3JI (W22, 3.3 kilohms 5%, Pb-free)
| Component | Options |
|---|---|
| Type | W21, W22, W23, W24 |
| Value | E24 series, R = ohms, K = kilohms |
| Tolerance | F = 1%, G = 2%, J = 5% |
| Packing & Termination Finish | I = Standard packing & Pb-free |
For CECC released product, follow the MPN with text indicating the relevant release and style. Example: W22-3K3JI IECQ-CECC40201-002 KB
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...
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