Datasheet Summary
Surface Mounted Thermistors
PTCR Series
Welwyn ponents
- TCR’s up to +3500 ppm
- Custom designs available
- Solder terminations have a nickel barrier layer
- Resistance range 10 ohms to 800 ohms
- Tolerances down to 2%
- Available in 0805 and 1206 sizes
Electrical Data mercial Power rating at 70°C Resistance range Limiting element voltage TCR -55°C to 155°C Resistance tolerance at 20°C Ambient temperature range Values Thermal impedance watts ohms volts ppm/°C % °C ohms °C/watt 360 2, 5, 10 -55 to 155 E24 & E96 preferred 200 Any value to order For 10 devices mounted on a 50 x 25mm p.c.b. area PTCR 0805 0.1 10R to 400R 100 PTCR 1206 0.25 10R to 800R 200 See table below...