Panasonic PNZ155 (PN155) User's Manual
Summary
Designed for reliable optical control in demanding environments, this high-sensitivity silicon NPN phototransistor excels at detecting light from sources like GaAs LEDs due to its wide spectral sensitivity and low dark current. This manual provides comprehensive technical data, including absolute maximum ratings, detailed electro-optical characteristics, response times, and performance curves. It is essential for electrical engineers and hardware designers developing general electronic equipment, communication systems, or precise instrumentation requiring accurate and dependable optical measurement capabilities.
Page 1 Text Content
查询PN155供应商 Phototransistors
PNZ155 (PN155) Silicon NPN Phototransistor
Unit : mm
For optical control systems
Features High sensitivity Wide spectral sensitivity, suited for detecting Ga As LEDs Low dark current Flat type plastic package
Absolute Maximum Ratings (Ta = 25˚C) Parameter Symbol Ratings Unit 1: Emitter
2: Collector
Collector to emitter voltage VCEO Emitter to collector voltage VECO
Collector current IC m A .8 in 3. 9± 0. (2 .9 5) 1. 5± 0.
Collector power dissipation PC m W Operating ambient temperature Topr –25 to +85 ˚C Storage temperature Tstg –30 to +100 ˚C
ot ol de re 0. ax
Electro-Optical Characteristics (Ta = 25˚C) Parameter Symbol Conditions min typ max Unit Dark current ICEO VCE = 10V 0.01 µA
Collector photo current ICE(L) VCE = 10V, L = 100 lx 0.05 0.2 m A Peak sensitivity wavelength λP VCE = 10V nm Acceptance half angle Measured from the optical axis to the half power point deg. Response time tr, tf*2 VCC = 10V, ICE(L) = 1m A, RL = 100Ω µs
Collector saturation voltage VCE(sat) ICE(L) = 1m A, L = 1000 lx 0.2 0.5 *1 Measurements were made using a tungsten lamp (color temperature T = 2856K) as a light source. *2 Switching time measurement circuit
Sig.IN VCC
(Input pulse) td : Delay time 90% tr : Rise time (Time required for the collector photo current to Sig.OUT 10% increase from 10% to 90% of its final value)
(Output pulse)
td tf : Fall time (Time required for the collector photo current to
50Ω RL
tr tf
decrease from 90% to 10% of its initial value)
Note) The part number in the parenthesis shows conventional part number.
Page Summary Contents For Panasonic PNZ155 (PN155) User's Manual
Manual Details
| Brand | Panasonic |
|---|---|
| Pages | 3 |
| File Size | 42.62 KB |
| Published | July 15, 2026 |
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Frequently Asked Questions
What types of applications should be considered before using this phototransistor?
Consult our sales staff for specialized applications such as aerospace, automobiles, or traffic control equipment; the product is generally intended for standard domestic electronics.
What are the recommended environmental limits for operation and storage?
The operating ambient temperature ranges from –25°C to +85°C, while the physical storage temperature range is –30°C to +100°C.
Is this phototransistor suitable for specialized light sources like GaAs LEDs?
Yes, it features wide spectral sensitivity and is specifically suited for detecting GaAs LEDs, in addition to having low dark current.
If I design a circuit with this part, must I adhere to the maximum ratings?
Compliance with guaranteed values, especially maximum ratings and operating power supply voltage range, is mandatory. Using it outside these limits voids manufacturer liability.