Overview
The Airco Speer Electronics CF 1/2 330 ohm carbon film resistor is a standard through-hole passive component designed for general-purpose circuit applications. Housed in an axial lead package, these resistors provide precise resistance values with proven long-term stability. This bulk box of 1000 units is ideal for technicians, engineers, and manufacturers who require consistent, cost-effective resistor inventory.
Key Features
- Resistance: 330 Ohms
- Power Rating: 0.5W (1/2W)
- Tolerance: ±5% (standard J-grade)
- Package Style: Axial Leads — compatible with breadboards and through-hole PCB layouts
- Construction: Carbon Film — stable, reliable performance in industrial and consumer applications
- Quantity: 1000 units per box — significant cost savings for bulk orders
Technical Specifications
| Resistance | 330 Ohms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±5% |
| Package Type | Axial Leads (Through-Hole) |
| Maximum Working Voltage | 250V |
| Temperature Coefficient | ±350 ppm/°C (typical) |
| Operating Temperature Range | -55°C to +155°C |
| Composition | Carbon Film |
| Quantity per Box | 1000 units |
| Color Coding | Standard EIA resistor color bands |
Typical Applications
- Signal conditioning and biasing circuits
- Pull-up and pull-down resistors in digital logic circuits
- Current-limiting networks for LEDs and indicators
- Frequency-setting networks in oscillators and timers
- General-purpose prototyping and breadboard circuits
- Repair and replacement in vintage and legacy equipment
Compatibility & Replacements
Compatible With
- Standard through-hole PCB layouts and breadboards
- Analog and digital circuit designs
- General-purpose 250V rated applications
- Industrial control and instrumentation circuits
- Consumer electronics repair and refurbishment
Replaces / Drop-In Replacement For
- KOA Speer CFS1/2CT52R330J — 330 Ohm 0.5W 5% carbon film resistor (equivalent part)
- Other 330Ω 0.5W ±5% tolerance axial carbon film resistors from standard manufacturers
- Verify compatibility with your circuit specification sheet before ordering
Works With
- Standard PCB assembly equipment and hand-soldering processes
- Standard breadboard and prototype layouts
- Any 250V or lower circuit application requiring 330Ω resistance
- Compatible with standard EIA color-code identification systems













