Document ID: chunk:federal_register_of_legislation:F2023C00165:reg:12v
Version: federal_register_of_legislation:F2023C00165
Segment Type: reg
Provision Reference: reg 12V
Character Range: 186773–192283

12V  d+0.50  d+0.70  0.25  4.6  3.5

d = diameter of filament
The ends of the filaments as defined on sheet H8/3, note 11/, shall lie between lines Z1 and Z2 and between lines Z3 and Z4.
The filament position is checked solely in directions (1) and (2) as shown on sheet H8/1, figure 1.
The filament shall lie entirely within the limits shown.
CATEGORY W16W

Sheet W16W/1

DIMENSIONS in mm                                                                                                            Standard
                                                                            Filament lamps of normal production             filament

min.                                                                 Nom.                                                     max.       lamp
e                                                                    18.3                                        20.6                    22.9                         20.6 +/- 0.3
Lateral deviation 1/                                                                                                                     1.0                      0.5 max.

beta                                                                 -15 degrees                                 0 degrees  +15 degrees  0 degrees +/- 5 degrees
 Cap W 2.1 x 9.5d in accordance with IEC Publ. 61 (sheet 7004-91-3)
ELECTRICAL AND PHOTOMETRIC CHARACTERISTICS
 Rated values                                                        V                                                      12                                    12

W                                                                                                                16                      16
 Test voltage                                                        V                                                      13.5
Objective
values                                                               W
                                                                         +/-%                                               19.4                                      19.4 at 13.5V

                                                                     10                                                     10
Luminous
flux lm                                                                                                          310
    +/-%
                                                                     20

 Reference luminous flux: 310lm at approx. 13.5V

1/ Maximum lateral deviation of filament centre from two mutually
    2/ perpendicular planes both containing the reference axis and one containing axis x-x. See paragraph 3.5.3.
CATEGORY HIR1/1

Sheet HIR1/1
 The drawings are only to illustrate the essential dimensions of the filament lamp.

    1/ The reference plane is the plane defined by the three supporting bosses on the cap flange.
    2/ The reference axis is perpendicular to the reference plane and passes through the center of the reference diameter of the cap.
    3/ Glass bulb and supports shall not exceed the envelope. The envelope is concentric to the reference axis.
4/ The keyway is mandatory.
    5/ The filament lamp shall be rotated in the measuring holder until the reference lug contacts plane C of the holder.
    6/ Glass bulb periphery shall be optically distortion-free axially within the angles gamma1 and gamma2. This               requirement applies to the whole bulb circumference within the angles gamma1 and gamma2.
CATEGORY HIR1/1

                                                 Sheet HIR1/2

Dimensions in mm
11/                                                                     Tolerances

Filament lamps of normal                                                Standard filament lamp
production
 e 8/                                                                   29                      9/           +/- 0.16
10/                                                                     5.1                     9/           +/- 0.16
f 8/
10/                                                                     0                             + 0.7  + 0.4
g 8/                                                                                                  - 0.0  - 0.0

 h1, h2                                                                 0                       9/

 d                                                                      1.6 max                 -            -
 gamma1                                                                 50 degrees              -            -
                                                                        min.
 gamma2                                                                 50 degrees              -            -
                                                                        min.
Cap PX 20d in accordance with IEC Publ. 61 (sheet 7004-...-..)
ELECTRICAL AND PHOTOMETRIC CHARACTERISTICS
 Rated values                                                           V                       12           12

W                                                                       65                      65
 Test voltage                                                           V                       13.2         13.2
Objective
values                                                                  W                       73 max.      73 max.

Luminous
flux lm
+/- %                                                                         2,500