Scharnberger 21961 28V 40mA MG5.7/S9 Incandescent Indicator Lamp T 1 3/4 5.7x15.87mm

This incandescent indicator lamp delivers reliable, low-power illumination for signal and status applications. With a compact T 1 3/4 tubular glass envelope and an MG5.7/S9 miniature grooved base, it provides a bright, warm-white light at 28 V and 40 mA, making it ideal for precise visual indication in control panels, instrumentation, and electronic devices.

Advantages

The lamp's clear glass finish ensures maximum light transmission, while its single-coil filament offers stable performance and long service life. Its miniature size (5.7 mm diameter, 15.87 mm length) allows easy integration into tight spaces, and the dimmable design supports adjustable brightness for different ambient conditions.

Suitable for

• Indicator lights on industrial control panels
• Signal lamps in electronic equipment
• Status displays in automotive and marine dashboards
• Warning and alarm systems
• Model making and hobby electronics

Key specifications

• Operating voltage: 28 V
• Operating current: 40 mA
• Power consumption: 1.12 W
• Bulb shape: Tubular (T 1 3/4)
• Base type: MG5.7/S9
• Bulb diameter: 5.7 mm
• Overall length: 15.87 mm
• Light output color: Warm white
• Glass finish: Clear
• Filament design: Single coil
• Dimmable: Yes

Recommendations

For optimal performance, ensure the lamp is operated within its rated voltage and current. Use a suitable socket for MG5.7/S9 base to guarantee secure contact and prevent vibration-induced failures. This lamp is a direct replacement for many standard miniature indicator bulbs.