VPR220SZ is an ultra-high precision Z-Foil surface mount power resistor in TO-220 configuration with a TCR of ±0.05 ppm/°C, tolerance of ±0.01%, and power rating of up to 8W. Made from Vishay Bulk Metal® Z-Foil, this resistor offers very low TCR, high stability, tight tolerance, low PCR, and fast response time. It is designed to provide a high degree of stability and accuracy in fixed resistor applications.
The VPR220SZ is a Vishay Z‑Foil surface‑mount power resistor in a TO‑220 package. It offers an ultra‑low temperature coefficient of ±0.05 ppm/°C, tight tolerance of ±0.01 %, and an 8 W power rating, making it suitable for high‑precision fixed‑resistor applications.
The document provides detailed specifications, dimensional drawings, part‑numbering information, and a legal disclaimer. It also includes a power‑derating curve and trimming process illustrations for designers.
| Temperature Coefficient of Resistance (TCR) | ± 0.05 ppm/°C typical (0 °C to +60 °C) |
|---|---|
| Tolerance | ± 0.01 % |
| Power Rating | 8 W (chassis mounted) |
| Resistance Range | 5 Ω to 10 kΩ |
| Load Life Stability | ± 0.005 % (25 °C, 2000 h at rated power) |
| Operating Temperature Range | -55 °C to +150 °C |
| Maximum Working Voltage | 300 V |
| Dimensions (L × W × H × T) | 6.00 in × 4.00 in × 2.00 in × 0.04 in |
The VPR220SZ has a typical TCR of ± 0.05 ppm/°C from 0 °C to +60 °C.
It is rated for 8 W when mounted on a chassis according to MIL‑PRF‑39009.
The resistor is offered in a range from 5 Ω to 10 kΩ.
It can operate from –55 °C up to +150 °C.