50 watt 680 ohm wirewound power resistor with 5 percent tolerance CCO Chian Chia Elec 50W 680Ω±5%
Product Overview
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.
Product Attributes
- Company Name: CHIAN CHIA ELECTRONIC(SHENZHEN)CO.,LTD
- Product Type: Power (Wirewound & Ribbon Wirewound) Resistors
- Version: B1
- Enactment Date: September 03, 2003
- Compliance: ROHS
Technical Specifications
Type Designation Example: DR 100W 100 J MHZ
Type Breakdown:
- Type R: Ribbon wirewound
- Type (unspecified): Wirewound
Power Derating Curve
The power derating curves illustrate the relationship between ambient temperature and rated load percentage for both Wirewound and Ribbon Wirewound resistors.
External Dimensions and Ratings
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 | - | - |
Type Designation Structure
The type designation is determined by Product Name, Rated Power, Nominal Resistance Value, Tolerance, and Type.
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