1.5K OHM± 5% 1/4W Through Hole Resistance

1.5K OHM ±5% 1/4W Through Hole Resistor – Complete Specifications & Applications

This 1.5K ohm 1/4W carbon film axial leaded through hole resistor with 5% tolerance ProtoSupplies is engineered for both hobbyist prototyping and commercial electronics manufacturing. Featuring strong leads with a 0.55 mm diameter constructed of tin and copper plated over steel wire ProtoSupplies, this component delivers exceptional reliability across diverse circuit applications.

Why Choose This Resistor:

The 1.5K ohm resistor represents the optimal balance for mid-range circuit applications. With a resistance value of 1,500 ohms (1.5kΩ), this component provides ideal current limiting, voltage division, and impedance matching without excessive power dissipation. The ±5% tolerance ensures reliable performance in general-purpose circuits, while the 1/4 watt (250mW) power rating handles standard electronic applications.

Full Technical Specifications:

• Resistance Value: 1,500 ohms (1.5kΩ)
• Power Rating: 1/4 watt (0.25W / 250mW)
• Tolerance: ±5% (acceptable deviation range: 1,425Ω – 1,575Ω)
• Type: Carbon film axial-leaded through-hole resistor
• Lead Diameter: 0.55mm (optimized for breadboard insertion)
• Voltage Rating: 350V maximum working voltage
• Temperature Coefficient: ±200ppm/°C
• Flame Retardant: Yes (meets safety standards)
• RoHS Compliant: Yes
• Lead-Free: Yes
• Color Code: Brown-Green-Red-Gold (1-5-×100-±5%)

Ideal Applications for 1.5K OHM Resistors

Arduino & Microcontroller Projects The 1.5K resistor is standard in Arduino-based prototypes. Use in pull-up resistors, signal conditioning, and sensor interfacing. Many Arduino tutorials specify 1.5K for optimal GPIO voltage levels.

LED Current Limiting Pair with 5V or higher voltage supplies to safely limit LED current. A 1.5K resistor on a 5V supply provides approximately 2.3mA through a standard LED, protecting from overcurrent damage while maintaining brightness.

Breadboard Prototyping With strong leads and easy to read color coding, these through hole resistors are ideal for breadboarding because they have stout leads that hold up well with repeated insertions into solderless breadboards ProtoSupplies.

PCB Assembly & Manufacturing Standard for both single and multi-layer PCB applications. Compatible with all board design software (Eagle, KiCAD, Altium, OrCAD).

Voltage Divider Networks Create precise voltage division ratios. Two 1.5K resistors in series divide voltage by half – useful for analog-to-digital converter reference signals.

Audio Circuit Applications Used for biasing in amplifier circuits and impedance matching in audio equipment.

Sensor Circuits & Signal Conditioning Bridge resistance in temperature sensor circuits and signal adaptation for measurement systems.

Power Supply & Filtering Filter components in regulated power supplies and voltage regulation circuits.

 Physical Characteristics & Build Quality

Robust Construction for Longevity:

• Tan cylindrical body with easy to read color-coding on a tan (5%) background so you don’t have to keep dragging out the multimeter to figure out values ProtoSupplies
• Tinned copper leads (0.55mm diameter) provide excellent solderability and mechanical strength
• Flame-retardant coating meets UL standards for safety in critical applications
• Industry-standard form factor – 6.3mm body length fits all standard PCB layouts
• Color Code: Brown (1) – Green (5) – Red (×100) – Gold (±5%)

 Why Carbon Film Resistors?

Unlike outdated carbon composition resistors, our carbon film construction provides:

1. Superior Temperature Stability – Maintains accuracy across -55°C to +155°C operating range
2. Lower Noise Characteristics – Critical for sensitive audio and measurement circuits
3. Better High-Frequency Performance – Suitable for RF and digital applications
4. Long-Term Reliability – Tested for 10,000+ hours without drift
5. Standard Compliance – RoHS compliant, lead-free construction

Performance Advantages Over Competitors

How to Identify Your 1.5K Resistor

Color Code Reading (Left to Right):

• Band 1 (Brown): First digit = 1
• Band 2 (Green): Second digit = 5
• Band 3 (Red): Multiplier = ×100
• Band 4 (Gold): Tolerance = ±5%

Calculation: 1 5 × 100 = 1,500 ohms (1.5K)

The gold band on the right indicates 5% tolerance, meaning actual resistance could be anywhere from 1,425Ω to 1,575Ω – still acceptable for most applications.

 Quality Assurance & Testing

Each batch undergoes rigorous testing: ✓ Resistance value verification ±5% ✓ Power rating confirmation at rated voltage ✓ Temperature coefficient stability (-55°C to +155°C) ✓ Solderability assessment on actual PCBs ✓ Mechanical strength (lead pull strength test) ✓ RoHS compliance certification ✓ Flame retardant property validation

Packaging & Availability

Individual Components:

• Single unit with specification sheet
• Ideal for emergency replacements
• Full technical documentation included

Bulk Packaging Options:

• 50-piece pack (popular for makers)
• 100-piece pack (perfect for small production runs)
• 1,000-piece reel (industrial manufacturing)
• Custom packaging available for B2B orders

Delivery Guarantee:

• In-stock inventory ensures rapid fulfillment
• Same-day shipping available (select locations)
• Nationwide delivery across India
• Secure packaging prevents damage during transit

 Price Comparison & Value Proposition

While we maintain competitive pricing, our value extends beyond cost:

✓ Quality First: No compromised materials or manufacturing corners ✓ Instant Availability: No waiting for international shipping ✓ Technical Support: Expert guidance on resistor selection ✓ Bulk Discounts: Tiered pricing for larger orders ✓ Fast Delivery: Ship within 24 hours of order

Comparison with Related Resistor Values

The 1.5K resistor provides the Goldilocks solution – not too restrictive, not too permissive.

 Customer Reviews & Trust Signals

“Perfect for my Arduino projects. Leads are strong and hold up great in breadboard” – Rajesh M.

“Bulk order arrived fast. Quality is excellent” – Priya S.

“These are exactly as described. Bought 100 pieces, no defects” – Amit K.

 FAQ – Common Questions About 1.5K Resistors

Q: Can I use a 1.5K resistor in place of 1K? A: Mostly yes. The 1.5K will limit more current (1.5x), so LEDs will be dimmer and circuits will have higher impedance. Test in your specific application first.

Q: What’s the difference between ±5% and ±1% tolerance? A: ±5% means actual value can vary ±75 ohms from 1,500. Most general-purpose circuits don’t need tighter tolerance.

Q: Are these RoHS compliant? A: Yes, all our through-hole resistors are lead-free and RoHS compliant.

Q: How do I read the color code? A: Brown-Green-Red-Gold = 1-5-×100-±5% = 1,500 ohms with 5% tolerance.

Q: What’s the maximum voltage I can apply? A: 350V maximum working voltage. Most hobby circuits are 5V-12V, so well within limits.

Q: Can I use in SMD/surface-mount applications? A: No, these are through-hole only. For SMD, choose 0402/0603 packages.