This document specifies power resistors manufactured by CHIAN CHIA ELECTRONIC(SHENZHEN)CO.,LTD. These resistors are available in wirewound and ribbon wirewound types, designed for various power applications. The product adheres to ROHS standards.
Type Designation Example: DR 100W 100 J MHZ
Type Breakdown:
The power derating curves illustrate the relationship between ambient temperature and rated load percentage for both Wirewound and Ribbon Wirewound resistors.
The following table details external dimensions, power ratings, nominal resistance values, tolerances, and type designations for various models.
| Product Name | Power Rating | Nominal Resistance Value (E-24 Series) | Tolerance | Type (MHZ, MC, MZ, MZG, MG, RMHZ, RMC, RMZ) | Dimension A (mm) | Dimension B (mm) | Dimension C (mm) | Dimension D (mm) | Dimension E (mm) |
|---|---|---|---|---|---|---|---|---|---|
| DR / DQ | 15W | 45 | 5% (G) | MHZ | 6 | 3.5 | 4.5 | - | - |
| DR / DQ | 20W | 50 | 5% (H) | MHZ | 6 | 3.5 | 4.5 | - | - |
| DR / DQ | 25W | 50 | 1% (A) | MHZ | 6 | 3.5 | 5 | - | - |
| DR / DQ | 30W | 70 | 3% (J) | MHZ | 6 | 3.5 | 5 | - | - |
| DR / DQ | 40W | 87 | 1% (E) | MHZ | 6 | 3.5 | 5 | - | - |
| DR / DQ | 50W | 100 | 1% (D) | MHZ | 9 | 4.5 | 6 | - | - |
| DR / DQ | 70W (Segmented) | 230 | 1% (K) | MHZ | 8 | 4.5 | 7 | - | - |
| DR / DQ | 80W | 140 | 1% (K) | MHZ | 9 | 4.5 | 6 | - | - |
| DR / DQ | 100W | 180 | 1% (K) | MHZ | 9 | 4.5 | 6 | - | - |
| DR / DQ | 150W | 230 | 1% (K) | MHZ | 7 | 4.5 | 7 | - | - |
| DR / DQ | 200W | 280 | 1% (K) | MHZ | 7 | 4.5 | 7 | - | - |
| DR / DQ | 250W | 267 | 1% (K) | MHZ | 6 | 4.5 | 6 | - | - |
| DR / DQ | 300W | 267 | 1% (K) | MHZ | 6 | 4.5 | 6 | - | - |
| DR / DQ | 350W | 200 | 1% (K) | MHZ | 8 | 6 | 8 | - | - |
| DR / DQ | 450W | 345 | 1% (K) | MHZ | 7 | 5.5 | 7 | - | - |
| DR / DQ | 500W | 330 | 1% (K) | MHZ | 8 | 6 | 8 | - | - |
| DR / DQ | 600W | 330 | 1% (K) | MHZ | 8 | 6 | 8 | - | - |
| DR / DQ | 700W | 400 | 1% (K) | MHZ | 8 | 4.5 | 8 | - | - |
| DR / DQ | 800W | 400 | 1% (K) | MHZ | 8 | 4.5 | 8 | - | - |
| DR / DQ | 1000W | 300 | 1% (K) | MHZ | 8 | 8 | 8 | - | - |
| DR / DQ | 1300W | 420 | 1% (K) | MHZ | 8 | 8 | 8 | - | - |
| DR / DQ | 1500W | 415 | 1% (K) | MHZ | 8 | 8 | 8 | - | - |
| DR / DQ | 2000W | 510 | 1% (K) | MHZ | 8 | 8 | 8 | - | - |
| DR / DQ | 2500W | 600 | 1% (K) | MHZ | 8 | 8 | 8 | - | - |
| DR / DQ | 3000W | 600 | 1% (K) | MHZ | 8 | 8 | 8 | - | - |
| DR / DQ | 4000W | 430 | 1% (K) | MHZ | 8 | 8 | 8 | - | - |
| DR / DQ | 5000W | 500 | 1% (K) | MHZ | 8 | 8 | 8 | - | - |
The type designation is determined by Product Name, Rated Power, Nominal Resistance Value, Tolerance, and Type.