Midget LED bulbs sx4s base with center pin negative (buttom of socket is negative) as replacement of Eiko 685, #22 #32 #718 #685 #682 #8022 #7234, 28V 6839 T-1 Sub Midget Flange Light Bulb

Midget LED bulbs sx4s base with center pin negative (buttom of socket is negative) as replacement of Eiko 685, #22 #32 #718 #685 #682 #8022 #7234, 28V 6839  T-1 Sub Midget Flange Light Bulb.

With center pin positive (buttom positive electrode) is acceptable, But MOQ is 100 pcs. Please make a comments when you order it.
T1  Miniature lamp aircraft lighting, #6839 LED Aviation indicator light bulb, Industrial instrument panel LED light, T1 Midget Flange LED bulbs, 6839 LED indicator bulb.  28 Volt LED light bulbs,  Midget Flange LED Bulb.
 T-1 Sub-Midget Flanged (SX4s) Base, 1 led chip 3~5 lumens Design. 0.38" Maximum Overall Length (M.O.L.), 0.12" (3mm) Maximum Outer Diameter (M.O.D.), 0.19" (4.83mm) Light Center Length (L.C.L.). 50,000 Average Rated Hours.

This led bulb can be as replacement of below bulb part number:  
DC 5V Midget Flange Based #8022, #7234, #682, $685, $6180, #714, #718. The current of our led bulb just 3 mA when 5V operation
DC 10V Midget Flange Based #7240, 
DC 12V Midget Flange Based #32. The current of our led bulb just 6 mA when 12V operation
DC 14V Midget Flange Based #22, #8112
DC 18V Midget Flange Based #7241
DC 28V Midget Flange Based #6839, 28V 6839 bulb led replacement, The current of our led bulb just 12 mA when 28V operation

Input voltage: Between 3v and 30V as Midget Flange 3V, 4.5V, 5V, 6V, 12V, 24V, 28V, 30V replacement. It is LED Midget Flange Based aircraft light bulbs.
LEDs: 
Colors: cool white 6000k~6500k. Warm white 3000K is acceptable, But MOQ is 100 pcs. Please make a comments when you order it.
Lumen: from 1 lumens on 5 voltageto 5 Lumens on 28 voltage
Amps: 12mA when 28V operation, Less than EIKO 6839, GE LIGHTING 6839 Miniature Incandescent Bulb T1 28v,  JKL 6839. The Amps of these incandescent bulb are 24mA. 
Dimension:  SX4S base. Base Diameter 4.5mm, Bulb diameter 3mm, MOL 8.2mm
Lifespan: 50000 hours
Vibration resistant
Immediate response on/off
Available in a range of colours to add style 
This MF4 LED bulb as replacement of incandescent bulb for example EIKO 6839, GE LIGHTING 6839 Miniature Incandescent Bulb T1 28v,  JKL 6839 0.67W, 28V, T-1, Sub-Midget Flange Base, 0.13 in.
Type: #6819 Miniature Light Bulb
Bulb Shape: T1 MF4
Bulb: T-1
Base: SX4S Based Sub-Midget Flanged (MF4)

Midget LED bulbs vs midget Incandescent bulb
They are in same size and operation voltage: Eiko 685, 5V .06A T-1 Sub Midget Flange Base Light Bulb, 5 Voltage Rating, , Sub-Midget Flanged (SX4s) Base, T-1 Bulb, C-2R Filament, 0.38/9.7 mm MOL, 0.13/3.2 mm MOD, 
5 Voltage Rating, 
LED is less current at 3mA when 5V, And Eiko 685 is at 0.06 Amps
Sub-Midget Flanged (SX4s) Base, T-1 Bulb
C-2R Filament
0.38/9.7 mm MOL, 0.13/3.2 mm MOD
LED have mosre brightness at 3~5 lumens when operation on 5V, and Eiko 685 is 0.63 Lumens.
LED has more lifespan time at 100000H, And Eiko 685 has 25000 Rated Life.