1. Purpose:
good temperature characteristics, high pressure resistance, good pulse resistance, used in DC, AC, pulse circuits.
2. Packaging form:
coated with gray insulating paint.
3. External size

| power (W) | ΦDmax (mm) | Lmax(mm) | Φd(mm) | l(mm) |
| 1/4 | 2.7 | 7.0 | 0.5±0.1 | 28±3 |
| 1/2 | 4.0 | 10.0 | 0.56±0.1 | 28±3 |
| 1 | 5.5 | 13.0 | 0.7±0.1 | 28±3 |
| 2 | 6.5 | 16.0 | 0.7±0.1 | 28±3 |
| 3 | 7.5 | 18.5 | 0.7±0.1 | 30±5 |
| 5 | 9.5 | 26.0 | 0.7±0.1 | 32±3 |
4. Main technical indicators:
| Rated power (W) at 70℃ | temperature coefficient ppm/℃ | Resistance range (Ω) | Resistance tolerance deviation | Component limit voltage (V) | Insulation voltage (V) |
| 1/4 | ±250 | 1K-10M | ±1% ±5% | 350 | 500 |
| 1/2 | 1K-33M | 500 | 750 | ||
| 1 | 1K-56M | 700 | 800 | ||
| 2 | 1K-56M | 700 | 1000 | ||
| 3 | 1K-100M | 1000 | 1000 | ||
| 5 | 1K-100M | 1000 | 1000 |