Vishay 25 W 100 Ω Wirewound Rheostat 500A
- RS Stock No.:
- 788-7794
- Mfr. Part No.:
- RT025AS1000KB
- Brand:
- Vishay
Bulk discount available
Subtotal (1 unit)*
£222.26
(exc. VAT)
£266.71
(inc. VAT)
FREE delivery for orders over £60.00
In Stock
- Plus 9 unit(s) shipping from 04 May 2026
- Plus 10 unit(s) shipping from 30 July 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 1 | £222.26 |
| 2 + | £211.15 |
*price indicative
- RS Stock No.:
- 788-7794
- Mfr. Part No.:
- RT025AS1000KB
- Brand:
- Vishay
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Vishay | |
| Product Type | Wirewound Rheostat | |
| Maximum Resistance | 100Ω | |
| Tolerance ± | 10% | |
| Power Rating | 25W | |
| Packaging | Bulk | |
| Number of Turns | 1 | |
| Mount Type | Panel Mount | |
| Shaft Diameter | 6mm | |
| Mounting Hole Diameter | 10.5 mm | |
| Termination Style | Solder Lug | |
| Maximum Voltage | 300V | |
| Minimum Operating Temperature | -55°C | |
| Maximum Operating Temperature | 320°C | |
| Length | 50mm | |
| Diameter | 38mm | |
| Standards/Approvals | RoHS | |
| Series | RT25 | |
| Height | 25mm | |
| Current Rating | 500A | |
| Core Type | Open | |
| Actuator Type | Linear Shaft | |
| Shaft Length | 22mm | |
| Select all | ||
|---|---|---|
Brand Vishay | ||
Product Type Wirewound Rheostat | ||
Maximum Resistance 100Ω | ||
Tolerance ± 10% | ||
Power Rating 25W | ||
Packaging Bulk | ||
Number of Turns 1 | ||
Mount Type Panel Mount | ||
Shaft Diameter 6mm | ||
Mounting Hole Diameter 10.5 mm | ||
Termination Style Solder Lug | ||
Maximum Voltage 300V | ||
Minimum Operating Temperature -55°C | ||
Maximum Operating Temperature 320°C | ||
Length 50mm | ||
Diameter 38mm | ||
Standards/Approvals RoHS | ||
Series RT25 | ||
Height 25mm | ||
Current Rating 500A | ||
Core Type Open | ||
Actuator Type Linear Shaft | ||
Shaft Length 22mm | ||
RT Series Wirewound Rheostats - 12 W and 500 W
The Vishay RT Series of linear wire wound rheostats are designed for use in professional and industrial equipment. Particularly in equipment where transients, repeated overloads, impacts and vibrations characterise everyday operation.Suggested accessories for these rheostats include control buttons and displays.
Features & Benefits
Vitreous enamel construction provides exceptional reliability
Linear wire wound track
Compact size per dissipation rating
Wide operating temperature range
Designed for heavy-duty applications such as repeated overloads, transients and conditions where shock and vibrations occur
Rheostats supplied with mounting hardware
1000 Vrms dielectric strength for 25 W models
±10% tolerance
Note
Mounting surface must be earthed.
Related links
- Vishay 25 W 100 Ω Wirewound Rheostat 500 A, RT025AS1000KB
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- Vishay 25 W 220 Ω Wirewound Rheostat 337 mA
- Vishay 25 W 2.2 kΩ Wirewound Rheostat 107 mA
- Vishay 25 W 2.2 Ω Wirewound Rheostat 3.37 kA, RT025AS2R20KB
- Vishay 25 W 1.5 kΩ Wirewound Rheostat 2.13 A, RT025AS1501KB
- Vishay 25 W 4.7 Ω Wirewound Rheostat 2.3 kA, RT025AS4R70KB