LED55B Datasheet | Fairchild Semiconductor

DESCRIPTION The LED55B/LED55C/LED56 are 940 nm LEDs in a narrow angle, TO-46 package. FEATURES - Good optical to mechanical alignment - Mechanically and wavelength matched to the TO-18 series phototransistor - Hermetically sealed package - High irradiance level  2001 Fairchild Semiconductor Corporation DS300312 6/05/01 1 OF 4 .fairchildsemi. Ga As INFRARED EMITTING DIODE ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Soldering Temperature (Iron)(3,4,5 and 6) Soldering Temperature (Flow)(3,4 and 6) Continuous Forward Current Forward Current (pw, 1µs; 200Hz) Reverse Voltage Power Dissipation (TA = 25°C)(1) Power Dissipation (TC = 25°C)(2) (TA = 25°C unless otherwise specified) Symbol TOPR TSTG TSOL-I TSOL-F IF IF VR PD PD LED55C Rating -65 to +125 -65 to +150 240 for 5 sec 260 for 10 sec 100 10 3 170 1.3 LED56 Unit °C °C °C °C m A A V m W W NOTE: 1. Derate power dissipation linearly 1.70 m W/°C above 25°C ambient. 2. Derate power dissipation linearly 13.0 m W/°C above 25°C case. 3. RMA flux is remended. 4. Methanol or isopropyl alcohols are remended as cleaning agents. 5. Soldering iron tip 1/16” (1.6mm) minimum from housing. 6. As long as leads are not under any stress or spring tension 7. Total power output, PO, is the total power radiated by the device into a solid angle of 2 # steradians. ELECTRICAL / OPTICAL CHARACTERISTICS PARAMETER TEST CONDITIONS (TA =25°C) (All measurements made under pulse conditions) SYMBOL MIN TYP MAX UNITS Peak Emission Wavelength Emission Angle at 1/2 Power Forward Voltage Reverse Leakage Current Total Power LED55B(7) Total Power LED55C(7) Total Power LED56(7) Rise Time 0-90% of output Fall Time 100-10% of output IF = 100 m A IF = 100 m A IF = 100 m A VR = 3 V IF = 100 m A IF = 100 m A IF = 100 m A !P " VF IR PO PO PO tr tf - - - - 3.5 5.4 1.5 - - 940 ±8 - - - - - 1.0 1.0 - - 1.7 10 - - - - - nm Deg. V µA m W m W m W µs µs .fairchildsemi. 2 OF 4 6/05/01 DS300312...