MZ3 PTC Thermistor 800-1200 Ohm 800V 75°C Current Limiter for Energy Saving Lamps

Price Negotiable

Price: TBA

MOQ: 1000 Pieces

Delivery Time: 2 Weeks

Brand: AMPFORT

Product Description

Product Overview

The MZ3 PTC Thermistor is a high-performance current limiting device designed for preheating starting applications in energy-saving lamps and electronic ballasts. With a resistance range of 800-1200Ω and voltage rating of 800V, this thermistor provides reliable thermal protection and current restriction in various electronic circuits.

Key Specifications

Resistance Range: 800-1200Ω

Rated Voltage: 800V

Curie Temperature: 75°C

Operating Temperature: -10°C to +125°C

Lead Spacing: 5.0±0.5mm

Physical Dimensions

MZ3 PTC Thermistor dimensional diagram showing component measurements

Parameter	Specification	Lead Configuration
Diameter (D)	4.8mm max	In-Forming
Thickness (T)	4.8mm max	-
Lead Length (L)	Min 20mm	-
Lead Spacing (W)	5.0±0.5mm	-
Lead Diameter (d)	0.5±0.05mm	-

Coating Details

Coating	Material	Color
Coated	PF Resin	Yellow

Electrical Performance

Parameter	Specification	Test Conditions
Zero Power Resistance	800-1200Ω	25±2°C, Accuracy ±0.5%
Over Voltage Withstanding	≥800V ΔR/Rn≤20%	Starting current ≥200mA, voltage 220VAC for 7s, then 800VAC for 6s
Over Current Withstanding	≥200mA ΔR/Rn≤20%	220VAC, 1 minute on/5 minutes off for 20 cycles
Curie Temperature	75°C	Measured at 2 times Rn

Application Circuit

Additional Performance Characteristics

Parameter	Specification	Test Conditions
Appearance	No visible defects, bubbles, or micro holes; clear symbols	Visual inspection
Welding	Evenly tinned with smooth welds, 95% coverage	230°C tin solution, 5mm from PTC body for 3-5s
Heat Resistance	ΔR/Rn≤20%	255°C±10°C, 6mm from body for 3±0.5s
Terminal Strength	ΔR/Rn≤20%, no breakage	10N force for 10s, 90° bend at 5N