Electrochem QTC85PC3 3.6V Lithium Battery

Description

The Electrochem QTC85PC3 is a non-rechargeable 3.6V Lithium-Thionyl Chloride (Li-SOCl₂) wafer battery designed for long-term memory backup and other low-drain industrial applications.

Its stable operating voltage, 1,000mAh capacity, low self-discharge, and three-pin PCB connection make it well suited to industrial control boards, PLCs, oil meters, and embedded electronic equipment.

Compatible With / Replaces

• 34-1054
• 3B0880
• 3B6880
• 3B880
• QTC85
• QTC85 PC
• LIT2730
• COMP-112

Key Features

• Stable 3.6V output
• 1,000mAh nominal capacity
• Low self-discharge of approximately 3% per year at 25°C
• Wide operating temperature range from −40°C to +85°C
• Three PCB pins for board mounting
• Compact wafer-cell construction
• Designed for long-term, low-drain applications

Typical Applications

• PLC memory backup
• CMOS and industrial memory backup
• Industrial control boards
• Oil meters
• Measurement and monitoring equipment
• Animal telemetry equipment
• Embedded electronic systems

Specifications

• Manufacturer: Electrochem
• Model: QTC85PC3
• Chemistry: Lithium-Thionyl Chloride (Li-SOCl₂)
• Cell type: Primary/non-rechargeable
• Nominal voltage: 3.6V
• Nominal capacity: 1 Ah (1,000mAh)
• Maximum continuous current: 1mA
• Terminal style: Three PCB pins
• Diameter: 25.4 mm (1″)
• Height: Approximately 7.5 mm (0.30″)
• Typical weight: Approximately 17 g
• Operating temperature: −40°C to +85°C
• Data Sheet: Electrochem QTC85 Data Sheet (PDF)

Compatibility Note: Wafer-battery terminal configurations are not interchangeable. Confirm the number, location, polarity, and spacing of the pins before ordering.

Important: This is a non-rechargeable lithium battery. Do not attempt to recharge.