3. T5 VHO and HO Extreme Temperature
lamp specifications
3.1. Product offerings
The T5 ExtremeTemperature range consists of the following types:
T5 VHO 95W ExtremeTemperature (46 in)
T5 HO 54W ExtremeTemperature (46 in)
3.2. Mechanical characteristics
The lamps fulfill the safety regulations found in IEC 61195 —
Double-capped fluorescent lamps—Safety specifications.
The nominal diameter of T5 lamps is 0.63 in; the maximum lamp
outline (including the bending) is 0.67 in.
3.3. T5VHO and HO ExtremeTemperature
publication values
T5 ExtremeTemperature lamps are amalgam lamps with a very
broad temperature range.The lumen output is above 90% of the
maximum lumen output between 65°F and 170 °F. In table 3.1.the
nominal values are given.
Lamp type Color Lamp
Voltage
(V)
Discharge
Current
(A)
Resistance Lamp
power
(W)
Luminous
flux
(lm)
T5VHO 95W
ExtremeTemperature
835 / 841 123 800 mA 154 95 7200
T5 HO 54W
ExtremeTemperature
835 / 841 118 460 mA 255 54 5000
Lamp type Color Lamp
Power
(W)
Luminous
flux
(lm)
Luminous
efficacy
(lm/W)
Luminance
cd/cm
T5VHO 95W
ExtremeTemperature
835 / 841 95 7200 76 4.4·10
4
T5 HO 54W
ExtremeTemperature
835 / 841 54 5000 93 2.9·10
4
Table 3.1.Electrical and photometrical data ofT5VHO and HO ExtremeTemperature lamps
Note: All data after 100 operating hours
8 OEM Design Guide PhilipsT5VHO and HO ExtremeTemperature Lamps and Ballasts
