MHL — Metal Clad Wirewound Resistor
- Mounting
- Metal Clad (Chassis / Heatsink)
- Power
- 60–1000 W
- Options
- Non-Inductive versions available
- Range
- 0.1 Ω – 100 kΩ
WW — General Purpose & Precision Wirewound (Axial)
- Mounting
- Axial, Conformal Coated
- Power
- 0.4–10 W
- Use
- General purpose / precision
WWS — Miniature Wirewound (Higher Power in Small Size)
- Mounting
- Axial, Conformal Coated
- Notes
- Mini size at higher power rating
MWW — Molded Precision Wirewound (Axial)
- Mounting
- Axial, Molded
- Power
- 1–10 W
- Use
- General purpose & precision
NWW — Non-Inductive Wirewound (Axial)
- Mounting
- Axial, Conformal Coated
- Power
- 0.4–10 W
- Feature
- Non-inductive winding
WWP — Pulse Withstanding Wirewound
- Mounting
- Axial, Conformal Coated
- Power
- 3–10 W
- Capability
- Energy handling up to 583 J
WRC — Conformal Coated Welded Wirewound
- Mounting
- Axial, Conformal Coated
- Power
- 1–5.5 W
- Range
- 0.01 – 680 Ω
SP — Conformal Coated Fusing Wirewound
- Series
- SP3A
- Power
- 4 W
- TCR
- 20 ppm/°C
- Range
- 10 – 100 Ω
WWF — General Purpose Fusing Wirewound
- Mounting
- Axial, Conformal Coated
- Power
- 0.5–13 W
- Feature
- Fuses quickly under overload
- Range
- 10 – 150 kΩ
RWT — Thermal Fusing Vertical Mount Wirewound
- Mounting
- Vertical (Ceramic housed)
- Power
- 2–7 W
- Fuse Point
- 142 °C, 2 A
- Range
- 1 – 470 Ω
WCB — Ceramic Housed with Axial Leads (Wirewound)
- Mounting
- Ceramic Housed, Axial
- Power
- 5–25 W
- Range
- 0.1 – 20 kΩ
WCBF — Ceramic Housed Axial Wirewound with Standoffs
- Mounting
- Ceramic Housed, Axial + Standoffs
- Power
- 5–25 W
- Notes
- Standoffs for elevated mounting
NCB — Non-Inductive Ceramic Housed Axial (Ayrton-Perry)
- Mounting
- Ceramic Housed, Axial
- Power
- 5–25 W
- Feature
- Non-inductive winding
VM — Ceramic Housed Vertical Mount Wirewound
- Mounting
- Vertical (Ceramic housed)
- Power
- 2–10 W
- Range
- 0.056 – 680 Ω
WVM — Vertical Mount Precision Wirewound
- Mounting
- Vertical (Ceramic housed)
- Power
- 5–10 W
- Range
- 0.1 – 8 kΩ
TR — TO-220 / TO-247 Style Power Leaded
- Package
- TO-220 / TO-247
- Power
- 30–100 W
- Range
- 0.05 Ω – 100 kΩ
- Notes
- See application notes
SM — Surface Mount Wirewound (Discontinued)
- Mounting
- Surface Mount
- Power
- 1–4 W
- Status
- Discontinued — not for new designs