H
H. Dixon
Guest
Stupid question probably but what does the (T1) specification for
LED's mean?
H. Dixon
LED's mean?
H. Dixon
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J
John Popelish
Guest
H. Dixon wrote:
sized by eighths of an inch diameter. The number of eighths
of an inch diameter is preceded by the letter T. T1=1/8th
inch diameter T1 3/4=1.75/8th inch diameter (~.219 inch).
T2=2/8th = 1/4 inch diameter, etc. The same diameter
standard was carried over for many LED lamps, though mm
diameters are also very common. 3mm is about a T1. 5mm is
about a T1 1/2.
--
Regards,
John Popelish
Diameter. For a long time, small electric lamps have beenStupid question probably but what does the (T1) specification for
LED's mean?
sized by eighths of an inch diameter. The number of eighths
of an inch diameter is preceded by the letter T. T1=1/8th
inch diameter T1 3/4=1.75/8th inch diameter (~.219 inch).
T2=2/8th = 1/4 inch diameter, etc. The same diameter
standard was carried over for many LED lamps, though mm
diameters are also very common. 3mm is about a T1. 5mm is
about a T1 1/2.
--
Regards,
John Popelish
H
H. Dixon
Guest
On Jul 27, 11:55 pm, John Popelish <jpopel...@rica.net> wrote:
Thank you!H. Dixon wrote:
Stupid question probably but what does the (T1) specification for
LED's mean?
Diameter. For a long time, small electric lamps have been
sized by eighths of an inch diameter. The number of eighths
of an inch diameter is preceded by the letter T. T1=1/8th
inch diameter T1 3/4=1.75/8th inch diameter (~.219 inch).
T2=2/8th = 1/4 inch diameter, etc. The same diameter
standard was carried over for many LED lamps, though mm
diameters are also very common. 3mm is about a T1. 5mm is
about a T1 1/2.
--
Regards,
John Popelish
D
Don Klipstein
Guest
On Jul 27, 11:55 pm, John Popelish <jpopel...@rica.net> wrote:
LEDs.
- Don Klipstein (don@misty.com)
The common 5 mm size bullet shape LEDs are the ones known as T1-3/4H. Dixon wrote:
Stupid question probably but what does the (T1) specification for
LED's mean?
Diameter. For a long time, small electric lamps have been
sized by eighths of an inch diameter. The number of eighths
of an inch diameter is preceded by the letter T. T1=1/8th
inch diameter T1 3/4=1.75/8th inch diameter (~.219 inch).
T2=2/8th = 1/4 inch diameter, etc. The same diameter
standard was carried over for many LED lamps, though mm
diameters are also very common. 3mm is about a T1. 5mm is
about a T1 1/2.
LEDs.
- Don Klipstein (don@misty.com)
J
John Popelish
Guest
Don Klipstein wrote:
that big.
--
Regards,
John Popelish
On Jul 27, 11:55 pm, John Popelish <jpopel...@rica.net> wrote:
(snip)
.... even though only the flange around the base of them is...The number of eighths
of an inch diameter is preceded by the letter T. T1=1/8th
inch diameter T1 3/4=1.75/8th inch diameter (~.219 inch).
T2=2/8th = 1/4 inch diameter, etc. The same diameter
standard was carried over for many LED lamps, though mm
diameters are also very common. 3mm is about a T1. 5mm is
about a T1 1/2.
The common 5 mm size bullet shape LEDs are the ones known as T1-3/4
LEDs.
that big.
--
Regards,
John Popelish