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PRF957
UHF wideband transistor
Philips Semiconductors Product specification
UHF wideband transistor PRF957
FEATURES Small size Low noise Low distortion High gain Gold metallization ensures excellent reliability.
APPLICATIONS Communication and instrumentation systems.
DESCRIPTIONSilicon NPN transistor in a surface mount 3-pin SOT323
package. The transistoris primarily intendedfor wideband
applicationsin the GHz-range intheRF front endof analog
and digital cellular telephones, cordless phones, radar
detectors, pagers and satellite TV-tuners.
PINNING
QUICK REFERENCE DATA
Note Ts is the temperature at the soldering point of the collector pin.
Philips Semiconductors Product specification
UHF wideband transistor PRF957
LIMITING VALUESIn accordance with the Absolute Maximum Rating System IEC 134.
Note Ts is the temperature at the soldering point of the collector pin.
THERMAL CHARACTERISTICS
Note Ts is the temperature at the soldering point of the collector pin.
Philips Semiconductors Product specification
UHF wideband transistor PRF957
CHARACTERISTICS =25 °C unless otherwise specified.
Note GUM is the maximum unilateral power gain, assuming s12 is zero.UM 10 s212112– () 1s222– ()-------------------------------------------------------- dBlog=
Philips Semiconductors Product specification
UHF wideband transistor PRF957
Philips Semiconductors Product specification
UHF wideband transistor PRF957
Philips Semiconductors Product specification
UHF wideband transistor PRF957
Philips Semiconductors Product specification
UHF wideband transistor PRF957
