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R-12 & IR-12R
| ● Voltage: 5 Volts （AC or DC） ● Temperature: 900℃ ● Current: 2 Amps ● Power: 10.0 Watts ● Active area: 3.5 mm x 3.5 mm ● Emissivity: 0.80 ● Lifetime: 30,000 hours at 5V, typical ● The IR-12 part uses a high stability wire whereas the IR-12K uses Kanthal resistance wire for operation at higher temperatures. Apart from the wire used, the IR-12 and IR- 12K are identical. ● The IR-12R is a standard IR-12 fabricated with the header flange in the reverse direction. |   |
IR-21 and IR-21V
| ● Voltage: 5 Volts （AC or DC） ● Temperature: 800℃ ● Current: 0.8 Amps ● Power: 4.0 Watts ● Active area: 1.5 mm x 3.5 mm ● Emissivity: 0.80 ● Lifetime: 3+ years at 800℃, typical |   |
IR-22 and IR-22V
| ● Voltage: 4.5 Volts （AC or DC） ● Temperature: 800℃ ● Current: 0.75 Amps ● Power: 3.4 Watts ● Active area: 1.5 mm x 3.5 mm ● Emissivity: 0.80 ● Lifetime: 3+ years at 800℃, typical ● The header is available in two sizes. The larger, IR-21, has an 8.6 mm diameter base. Thesmaller, IR-22, has a 4 mm diameter base. The support pins, which are also the power leads,are hermetically sealed in glass. ● The IR-20 Series is offered in two configurations: the IR-21 and IR-22 have the element mounted horizontally and the IR-21V and IR-22V which have the element mounted vertically. |  |
IR-30 Series
| ● Active area: 1.8 mm x 1.8 mm ● Emissivity: ~0.75 ● Temperature: 950℃ ● Voltage: 2.5 Volts （AC or DC） ● Current: 1.7 Amps ● Lifetime: ~25,000 hours ● IR-35 Normalized On-Axis Output:11x the output of the IR-30 ● The IR-35 is the IR-30 with a parabolic reflector to collimate the energy. |   |
IR-40
| ● Voltage: 35 Volts （AC or DC） ● Temperature: 600℃ ● Current: 115 mA ● Power: 4.0 Watts ● Active area: 3.5 mm x 2.5 mm ● Emissivity: 0.80 ● Lifetime: 3+ years at 600℃, typical ● The IR-40 unit is attached to a TO-5 header with high temperature cement. This unit is also offered without a cap （as an IR-40NC） and with a cap and sapphire window （as an IR-40S）. |  |
IR-43
| ● Voltage: 14 Volts （AC or DC） ● Temperature: 600℃ ● Current: 90 mA ● Power: 1.3 Watts ● Active area: 1.5 mm x 1.5 mm ● Emissivity: 0.80 ● Lifetime: 3+ years at 600℃, typical ● The IR-43 unit is free standing on a TO-5 header. It requires less power to achieve the same temperature as the IR-40. Without a directly connected mass to draw of heat, it is more responsive. |  |
IR-50, IR-55 and IR-56
| ● Voltage: 6.4 Volts （AC or DC） ● Temperature: 750℃ ● Resistance in the Hot state*: 50 ohms ● Current: 135 mA ● Power: 0.9 Watts ● Cooling Time Constant: 11.5ms ● Heating Time Constant: 35 ms ● Modulation Depth: 50% at 63 Hz, 50% Duty Cycle ● Active area: 1.7mm x 1.7mm ● IR-55: Lamp mounted in parabolic reflector （no window） ● IR-56:As per the IR-55 but with a smaller parabolic reflector allowing operation in a smaller envelope. 9.1mm x 10.2mm diameter ● Lifetime（constant operation is approximay half these figures）: ● 6+ months at 750℃ 10Hz 50% Duty Cycle, typical ● 3+ years at 600℃ 10Hz 50% Duty Cycle, typical ● 8+ years at 450℃ 10Hz 50% Duty Cycle, typical ● * Measured at 5 Hz frequency, 50% duty cycle. |   |
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