
PRF957
NPN UHF wideband transistor
NPN transistor in a surface mount 3-pin SOT323 package. The transistor is primarily intended for wideband applications in the GHz-range in the RF front end of analog and digital cellular telephones, cordless phones, radar detectors, pagers and satellite TV-tuners.
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| VCEO | collector-emitter voltage | IB = 0 A | 10 | V | ||
| IC | collector current | 100 | mA | |||
| Ptot | total power dissipation | Tsp ≤ 60 °C | 270 | mW | ||
| fT | transition frequency | VCE = 6 V; IC = 30 mA; f = 1000 MHz | 8.5 | GHz | ||
| NF | noise figure | IC = 5 mA; VCE = 6 V; f = 1000 MHz; ΓS = Γopt | 1.3 | dB | ||
| NF | noise figure | IC = 5 mA; VCE = 6 V; f = 2000 MHz; ΓS = Γopt | 1.8 | dB | ||
| GUM | peak unilateral power gain | IC = 30 mA; VCE = 6 V; Tamb = 25 °C; f = 2000 MHz | 9.2 | dB | ||
| GUM | peak unilateral power gain | f = 1000 MHz; IC = 30 mA; VCE = 6 V; Tamb = 25 °C | 15 | dB |
| Type number | Orderable part number | Ordering code (12NC) | Product status | Package | Packing | Marking |
|---|---|---|---|---|---|---|
| PRF957 | PRF957,115 | 9340 430 90115 | Volume production | SOT323 (SC-70) | Tape reel smd | W2% |
| Pin | Symbol | Description | Simplified outline | Graphic symbol |
|---|---|---|---|---|
| 1 | B | base | ![]() | ![]() |
| 2 | E | emitter | ||
| 3 | C | collector |
| Type number | Orderable part number | Chemical content | RoHS | Leadfree conversion date | RHF | IFR (FIT) | MTBF (hours) | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|
| PRF957 | PRF957,115 | PRF957 | week 30, 2003 | NA | NA |
| Type | Format | Title | Date |
|---|---|---|---|
| Data sheet | UHF wideband transistor (v.3.0) | 1999-07-23 | |
| Brochure | Your partner in Mobile Communication Infrastructure design; High Performance RF for wireless infrastructure (v.1.0) | 2011-05-23 | |
| SPICE model | s2p | PRF957K SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957I SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957D SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957E SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957M SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957C SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957Q SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | prm | PRF957_SPICE SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957G SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957O SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957B SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957P SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957A SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957N SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957H SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957J SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957L SPICE model (v.1.0) | 2012-05-03 |
| SPICE model | s2p | PRF957R SPICE model (v.1.0) | 2012-05-03 |
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