
For Reference Only
Part Number | RSF1FB1R21 |
OEMstron Part # | RSF1FB1R21 |
Manufacturer | Stackpole Electronics |
Category | Passive Components › Resistors › Through Hole Resistors |
Description | RES 1.21 OHM 1W 1% AXIAL |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | RSF1FB1R21 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 16 - Mar 21 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
RSF1FB1R21 Specifications
Part Number | RSF1FB1R21 | |
Brand | Stackpole Electronics | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Passive Components | |
Category | Resistors | |
Subcategory | Through Hole Resistors | |
Manufacturer | Stackpole Electronics | |
Series | RSF | |
Resistance | 1.21 Ohms | |
Tolerance | ±1% | |
Power (Watts) | 1W | |
Composition | Metal Oxide Film | |
Features | Flame Retardant Coating, Safety | |
Temperature Coefficient | ±200ppm/°C | |
Operating Temperature | -55°C ~ 235°C | |
Package / Case | Axial | |
Supplier Device Package | Axial | |
Size / Dimension | 0.177" Dia x 0.433" L (4.50mm x 11.00mm) | |
Height - Seated (Max) | - | |
Number of Terminations | 2 | |
Failure Rate | - |
RSF1FB1R21 Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
RSF1FB1R21 D# RSF1FB1R21 SEI Stackpole Electronics Inc |
Res Metal Oxide 1.21 Ohm 1% 1W ±200ppm/°C Conformal AXL Thru-Hole Bulk - Bulk (Alt: RSF1FB1R21) RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
RSF1FB1R21 SEI Stackpole Electronics Inc |
RES METAL OXIDE 1.21 OHM 1% 1W 200PPM/ C AXL TH - Bulk |
Contact Us |
Part Number | Description | Stock |
RSF1FB1R21 D# RSF1FB1R21-ND SEI Stackpole Electronics Inc |
RES 1.21 OHM 1W 1% AXIAL |
Temporarily Out of Stock |
Part Number | Description | Stock |
RSF1FB1R21 SEI Stackpole Electronics Inc |
RoHS: Compliant
pbFree: Yes
|
0 |
Part Number | Description | Stock |
RSF1FB1R21 SEI Stackpole Electronics Inc |
RESISTOR, MO, 1W, 1.21 ohm, 1% - Metal Oxide Resistor RoHS: Compliant
|
0 in Stock 0 on Order |
Part Number | Description | Stock |
RSF1FB1R21 D# SEI000000057600 SEI Stackpole Electronics Inc |
RESISTOR, MO, 1W, 1.21 ohm, 1% - Metal Oxide Resistor |
0 |
Part Number | Description | Stock |
RSF1FB1R21 D# NS-RSF1FB1R21 SEI Stackpole Electronics Inc |
OEM/CM ONLY |
3617 |
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