The AZ947 is a 20 Amp SPST and SPDT subminiature PCB power relay produced by ZETTLER Electronics. It has low cost, 20 Amp contact rating, low profile, small footprint, high operating temperature (85 °C) and is suitable for automotive use.
The AZ947 is a 20 A subminiature PCB power relay designed for automotive applications. It features a low profile, small footprint, high operating temperature (up to 85 °C), and is available in SPST (1 Form A) and SPDT (1 Form C) contact configurations.
Technical data include a maximum switched power of 280 W (1250 VA), switching voltages up to 50 VDC/125 VAC, coil power of 222 mW at pickup, and a compact 6‑gram weight. Ordering codes differentiate coil voltage and contact form, and a sealed epoxy version is available with an “E” suffix. This manual is written in Chinese.
| Contact rating | 20 A at 14 VDC |
|---|---|
| Maximum switched power | 280 W (1250 VA) |
| Maximum switched voltage | 50 VDC / 125 VAC |
| Operating temperature range | -40 °C to 85 °C |
| Storage temperature range | -40 °C to 105 °C |
| Coil power at pickup | 222 mW (typical) |
| Maximum continuous coil power | 1.09 W at 20 °C |
| Dielectric strength | 500 VAC coil to contact |
| Insulation resistance | ≥100 MΩ at 20 °C, 500 VDC |
| Operate time (max) | 10 ms |
| Release time (max) | 5 ms |
| Weight | 6 g |
The relay can switch up to 280 W (1250 VA).
It operates from –40 °C to 85 °C.
The coil is rated for 14 VDC.
Both SPST (1 Form A) and SPDT (1 Form C) are offered.