Resistor 0.25W 3.9K ohm (10 pcs)

The Resistor 0.25W 3.9K ohm is a through-hole fixed resistor with a resistance of 3.9 kΩ and a power rating of 0.25 W (1/4 W), sold in a pack of 10. It is a common E12 value used for transistor biasing, voltage dividers and pull-up resistors. It is a practical part for Arduino projects, repairs and electronics classes.

Resistor 0.25W 3.9K ohm Specifications

• Resistance: 3.9 kΩ (3,900 ohms)
• Power rating: 0.25 W (1/4 W)
• Type: fixed resistor, axial leads, through-hole
• Colour code: orange, white, red (4-band) or orange, white, black, brown (5-band), followed by the tolerance band
• Standard value: E12 and E24 series
• Fits: breadboards, perfboards and PCBs
• Pack size: 10 pieces

Resistor 0.25W 3.9K ohm Applications

• Transistor base and bias resistors
• Voltage dividers for analog inputs
• Pull-up resistors for logic inputs
• RC filters and timing circuits
• Electronics education and prototyping

What's in the Box

• 10 × 3.9 kΩ 0.25 W resistors

Tip: Resistors have no polarity, so they can be fitted either way round. With 3.9 kΩ, the 0.25 W limit is reached at about 31 V across the resistor, so it is very safe for 3.3 V, 5 V and 12 V circuits.

Orders placed before 14:00 are ready for pickup the same day. Delivery across Lebanon usually takes 1–3 working days.