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Bi-Pin |
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T-1&1/4 Bi-Pin and T-1&1/4 Integral Bi-Pin Lamps(Please click on the link below or scroll down the page)T-1&1/4 Bi-PinT-1&1/4 Integral Bi-Pin (IBP)T-1&1/4 Bi-Pin Helium Retardant
T-1&1/4 Bi-Pin |
Design Volts |
Average MSCP |
Design Amps |
Life (Hours) |
Filament Type |
Lumitron Part Number |
| 3.0 | 0.250 | 0.190 | 350 | C-2R | L-7637 |
| 5.0 | 0.030 | 0.060 | 60,000 | C-2R | L-7580 |
| 5.0 | 0.050 | 0.060 | 25,000 | C-2R | L-7583 |
| 5.0 | 0.090 | 0.075 | 25,000 | C-2R | L-4003/BP |
| 5.0 | 0.130 | 0.060 | 3,000 | C-2R | L-7309 |
| 5.0 | 0.150 | 0.115 | 40,000 | C-2R | L-7515 |
| 6.0 | 0.630 | 0.200 | 1,000 | C-2R | L-7628 |
| 6.3 | 0.550 | 0.200 | 5,000 | C-2F | L-7310 |
| 10.0 | 0.004 | 0.014 | 10,000 | C-2F | L-7311 |
| 12.0 | 0.150 | 0.060 | 16,000 | C-2F | L-8675 |
| 12.0 | 0.240 | 0.075 | 5,000 | C-2F | L-8678 |
| 14.0 | 0.150 | 0.065 | 12,000 | C-2F | L-8683 |
| 14.0 | 0.500 | 0.080 | 1,000 | C-2F | L-7646 |
| 28.0 | 0.320 | 0.040 | 1,000 | C-2F | L-7632 |
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.
Pins gold plated .00020 min. per MIL-G-45204, unless unfinished nickel pins are specified. For pins tinned per MIL-STD-202, Method 208, add TPL to part number.

Design Volts |
Average MSCP |
Design Amps |
Life (Hours) |
Filament Type |
Lumitron Part Number |
| 5.0 | 0.030 | 0.060 | 60,000 | C-2R | L-580/IBP |
| 5.0 | 0.050 | 0.060 | 25,000 | C-2R | L-583/IBP |
| 5.0 | 0.090 | 0.075 | 25,000 | C-2R | L-4003/IBP |
| 5.0 | 0.130 | 0.060 | 3,000 | C-2R | L-2114/IBP |
| 5.0 | 0.150 | 0.115 | 40,000 | C-2R | L-515/IBP |
| 6.0 | 0.630 | 0.200 | 1,000 | C-2R | L-634/IBP |
| 6.3 | 0.550 | 0.200 | 5,000 | C-2R | L-8610/IBP |
| 10.0 | 0.004 | 0.014 | 10,000 | C-2F | L-8608/IBP |
| 12.0 | 0.150 | 0.060 | 16,000 | C-2F | L-8672/IBP |
| 12.0 | 0.240 | 0.075 | 5,000 | C-2F | L-8676/IBP |
| 14.0 | 0.150 | 0.065 | 12,000 | C-2F | L-8680/IBP |
| 14.0 | 0.500 | 0.080 | 1,000 | C-2F | L-8640/IBP |
| 28.0 | 0.320 | 0.040 | 1,000 | C-2F | L-8627/IBP |
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.
Pins tinned per MIL-STD-202, Method 208. For gold plated .00020 min. per MIL-G-45204 add GPL to part number.

Design Volts |
Average MSCP |
Design Amps |
Life (Hours) |
Filament Type |
Lumitron Part Number |
| 5.0 | 0.030 | 0.060 | 60,000 | C-2R | L-1407 |
| 5.0 | 0.050 | 0.060 | 25,000 | C-2R | L-1409 |
| 5.0 | 0.090 | 0.075 | 16,000 | C-2R | L-1411 |
| 5.0 | 0.150 | 0.115 | 16,000 | C-2R | L-1413 |
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.
Pins gold plated .00020 min. per MIL-G-45204, unless unfinished nickel pins are specified. For pins tinned per MIL-STD-202, Method 208, add TPL to part number.