Carbon Resistor 150kΩ 0.125W Through Hole
150 kΩ axial carbon-film resistor, 0.125 W (1/8 W), through-hole, 100 kΩ-999 kΩ TCR band, –55°C to +155°C, RoHS compliant.
0.10 EGP
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The 150 kΩ resistor in the CF/CFM axial-lead carbon film family is engineered as a compact, economical passive component for low power signal and biasing applications. Rated for 0.125 W at ambient 70 °C, this device integrates a carbon-film resistive element with axial lead terminations and a flame-retardant protective coating, allowing seamless incorporation into circuit boards or hand-wired assemblies. Its value of 150 kΩ makes it well-suited for higher-impedance networks, such as pull-ups, divider legs, or timing circuits, where moderate current flow and low dissipation are required.
Mechanically designed for simplicity and reliability, the resistor adopts the size 18 body within the CF series (typical for 0.125 W class) and standard lead spacing for through-hole mounting. The axial lead format facilitates soldering, wave or hand assembly, and the carbon film construction offers cost-effective performance in commercial and industrial electronics. The flame-retardant coating and standard termination (copper-plated steel with tin overplate) ensure durability and compatibility with automated insertion where needed.
Environmentally and electrically, the resistor supports long-term stability across typical ambient and operating ranges (-55 °C to +155 °C), and meets relevant JIS/IEC process test methods (overload, soldering heat, temperature cycling, damp heat) to ensure predictable behaviour in general-purpose circuits. While not intended for high-power or pulse-stress applications, the 150 kΩ, 0.125 W carbon film resistor is a dependable and economical choice for moderate-impedance tasks in consumer, industrial or instrumentation electronics.
Features:
- General-purpose resistor suited for commercial and industrial applications.
- Flame-retardant protective coating standard; flame-proof version available.
- Compatible with automated insertion / sequencing in selected sizes.
- Mini (CFM) version available when size constraints are critical.
- Standard lead wire: copper-plated steel with 100 % tin overplate (CF/CFM); tin-on-copper lead option available (CFQ/CFQM).
- RoHS-compliant, lead-free and halogen-free.
Specifications:
| Parameter | Value for 150 kΩ, 0.125 W class (CF size 18) |
|---|---|
| Series / Type: | CF (carbon film axial), size 18 (0.125 W) |
| Nominal resistance: | 150 kΩ (user-selected nominal) |
| Power rating (@ 70 °C): | 0.125 W (1/8 W) |
| Maximum working voltage (series value): | 250 V (size 18) |
| Maximum working voltage (specific value): | Lesser of 250 V or √(P×R) = √(0.125 × 150,000) ≈ 136.9 V |
| Maximum overload voltage: | 500 V (size 18) |
| Dielectric withstanding voltage: | 350 V (size 18) |
| Temperature coefficient (TCR): | For 100 kΩ to 999 kΩ band: 0 ~ –850 ppm/°C |
| Operating / Storage temperature: | –55 °C to +155 °C |
| Body dimensions (size 18 approx.): | Length ~3.30 mm ±0.30, diameter ~1.70 mm ±0.30 |
Applications:
- USB Data Line Termination.
- CAN-Bus Network Termination.
- Current Limiting for Low-Power LEDs.
- RS-485 Communication Line Termination.
- In-Circuit Serial Programming (ICSP) Damping.
- Audio Line Input/Output Impedance Matching.
- Pull-Up/Pull-Down for Digital Logic Circuits.
- Voltage Division in Low-Current Sensor Circuits.
- Feedback Resistor in Low-Power Op-Amp Circuits.
- General Purpose PCB Prototyping and Repair.
Package Contents:
- 1x Carbon Resistor 150kΩ 0.125W Through Hole
Datasheet
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