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Plastic Fiber Optic Phototransistor
IF-D92
Low-Speed Digital Data Links Motor Controller Triggering Audio Links Medical Instruments Automotive Electronics Robotics Communications EMC/EMI Signal Isolation Electronic Games Process Control
MAXIMUM RATINGS
(TA =25C)
Operating and Storage Temperature Range (TOP,TSTG)......................-40 to 85C Junction Temperature (TJ) .............85C
Soldering Temperature (2 mm from case bottom) (TS) t 5s..................................240C Collector Emitter Voltage (VCEO)....30 V Emitter Collector Voltage (VECO) .....5 V
Collector Current (IC)..................50 mA
Collector Peak Current (ICM) t =1ms ..........................100 mA Power Dissipation (PTOT) TA =25C ...................100 mW De-rate Above 25C ..........1.33 mW/C
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The IF-D92 is suitable for digital data links at rates up to 25 kbps. Analog bandwidths greater than 15 kHz are possible making the IF-D92 usable for high frequency audio transmission. Phototransistor operation provides high internal gain - reducing the amount of post-amplification required in many circuits. The integrated design of the IF-D92 makes it a simple, cost-effective solution in a variety of analog and digital applications.
The IF-D92 is a high-sensitivity phototransistor detector housed in a "connectorless" style plastic fiber optic package. Optical response of the IF-D92 extends from 400 to 1100 nm, making it compatible with a wide range of visible and near-infrared LEDs and laser diode sources. This includes 650 nm visible red LEDs used for optimum transmission in PMMA plastic optic fiber. The detector package features an internal micro-lens and a precision-molded PBT housing to ensure efficient optical coupling with standard 1000 m core plastic fiber cable.
FEATURES
x High Optical Sensitivity
x Mates with Standard 1000 um Core Jacketed Plastic Fiber Optic Cable x No Optical Design Required x Inexpensive but Rugged Plastic Connector Housing x Internal Micro-Lens for Efficient Optical Coupling x Connector-Less Fiber Termination
x Light-Tight Housing provides Interference Free Transmission
CHARACTERISTICS (TA=25C)
Parameter
Wavelength for Maximum Photosensitivity Spectral Bandwidth (S=10% of SMAX) Switching Times (10% to 90% and 90% to 10%) (RL=1 k, IC =1.0 mA, VCE =5 V, =950 nm) Responsivity min. @ 880 nm @ 632 nm Collector Dark Current (VCE =15 volts) Breakdown Voltage (I C=100 A) Breakdown Voltage (I C=100 A) Saturation Voltage (IC=250 A, H=100 W)
Symbol
PEAK
Min
- 400 -
Typ
870 - 20
Max
- 1100 -
Unit
nm nm s
t r, tf R
ICEO BVCEO BVECO VCE sat
- - - 30 5 -
100 50 - - - 0.15
- - 100 - - -
A/W A/W nA V V V
.D w w w
I N D U S T R I A L FIBER O P T I C S , I N C .
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35
IF-D92
Plastic Fiber Optic Phototransistor
FIGURE 1.
FIGURE 3. Cross-section of fiber optic device.
Typical detector response versus wavelength.
FIBER TERMINATION INSTRUCTIONS
1. Cut off the ends of the optical fiber with a singleedge razor blade or sharp knife. Try to obtain a precise 90-degree angle (square). 2. Insert the fiber through the locking nut and into the connector until the core tip seats against the internal micro-lens. 3. Screw the connector locking nut down to a snug fit, locking the fiber in place.
FIGURE 2.
Rise and fall times of phototransistor.
PACKAGE IDENTIFICATION:
x
Black housing w/ White dot * PIN 1. Emitter * PIN 2. Collector
FIGURE 4. 36
Case outline.
I N D U S T R I A L FIBER O P T I C S , I N C .
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