Midget Groove

Midget Groove

T-1&3/4 Midget Groove

(Click here for T-1&3/4 Midget Groove Helium Retardant)

Dimensions in inches (mm).

Design Volts	Average MSCP	Design Amps	Life (Hours)	Filament Type	Lumitron Part Number
2.5	0.220	0.200	500	C-2R	L-8699
2.7	0.040	0.060	6,000	C-2R	L-8704
3.0	0.003	0.015	10,000	C-6	L-390
5.0	0.030	0.060	60,000	C-2R	L-7346
5.0	0.050	0.060	25,000	C-2R	L-7347
5.0	0.150	0.060	5,000	C-2R	L-3152
5.0	0.150	0.115	40,000	C-2R	L-7348
6.0	0.030	0.040	10,000	C-2V	L-8705
6.0	0.600	0.200	1,000	C-2R	L-337
6.3	0.020	0.040	20,000	C-2V	L-7351
6.3	0.230	0.075	1,000	C-2R	L-8708
6.3	0.400	0.200	20,000	C-2F	L-379
6.3	0.550	0.200	5,000	C-2R	L-398
10.0	0.004	0.014	10,000	C-2F	L-709
10.0	0.080	0.040	5,000	C-2F	L-397
12.0	0.120	0.040	10,000	C-2F	L-7354
14.0	0.300	0.080	40,000	C-2F	L-386
14.0	0.500	0.080	1,500	C-2F	L-336
14.0	0.500	0.100	10,000	C-2F	L-393
18.0	0.150	0.040	10,000	C-2F	L-346
28.0	0.150	0.024	4,000	CC-2F	L-6035
28.0	0.150	0.040	10,000	C-2F	L-7355
28.0	0.300	0.040	7,000	C-2F	L-388
28.0	0.340	0.040	4,000	C-2F	L-334

Aged & Selected (AS) Lamp Option: These Lamps are aged a minimum of 16 hours at rated voltage and selected for MSCP (Brightness) tolerance prior to shipping. Please designate your selection of this option by adding AS, and the MSCP tolerance, to the part number. Example: an L-715 aged and selected to a plus-or-minus brightness tolerance of 15 percent becomes an L-715-AS15.

Finish: Nickel plated brass shell with black phenolic insulation.

T-1&3/4 Midget Groove Helium Retardant

Notes: 1) .021 +/- .003 (0,5 +/- 0,1) minimum wall thickness. 2) .025 (0,6) minimum clearance throughout glass envelope.

Dimensions in inches (mm).

Design Volts	Average MSCP	Design Amps	Life (Hours)	Filament Type	Lumitron Part Number
5.0	0.340	0.200	15,000	C-2R	L-341 (1)

(1) MS27569-341-AS15

Aged & Selected (AS) Lamp Option: These Lamps are aged a minimum of 16 hours at rated voltage and selected for MSCP (Brightness) tolerance prior to shipping. Please designate your selection of this option by adding AS, and the MSCP tolerance, to the part number. Example: an L-715 aged and selected to a plus-or-minus brightness tolerance of 15 percent becomes an L-715-AS15.

Finish: Nickel plated brass shell with black phenolic insulation.

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