Datasheets
BFR520 by:

L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, PLASTIC, SOT-23, 3 PIN

Part Details for BFR520 by NXP Semiconductors

Results Overview of BFR520 by NXP Semiconductors

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Applications Telecommunications

BFR520 Information

BFR520 by NXP Semiconductors is an RF Small Signal Bipolar Transistor.
RF Small Signal Bipolar Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Price & Stock for BFR520

Part # Distributor Description Stock Price Buy
Ameya Holding Limited   970
Buy Now RFQ
Win Source Electronics Trans RF BJT NPN 15V 0.07A 3-Pin TO-236AB / NPN 9 GHz wideband transistor 6950
  • 1,310 $0.0443
  • 2,790 $0.0415
  • 4,340 $0.0400
  • 6,215 $0.0372
  • 8,095 $0.0357
  • 10,105 $0.0343
$0.0343 / $0.0443 Buy Now

Part Details for BFR520

BFR520 CAD Models

BFR520 Part Data Attributes

BFR520 NXP Semiconductors
Buy Now Datasheet
Compare Parts:
BFR520 NXP Semiconductors L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, PLASTIC, SOT-23, 3 PIN
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer NXP SEMICONDUCTORS
Part Package Code SOT-23
Package Description PLASTIC, SOT-23, 3 PIN
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8541.21.00.75
Samacsys Manufacturer NXP
Additional Feature LOW NOISE, HIGH RELIABILITY
Collector Current-Max (IC) 0.07 A
Configuration SINGLE
DC Current Gain-Min (hFE) 60
Highest Frequency Band L BAND
JESD-30 Code R-PDSO-G3
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 175 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Polarity/Channel Type NPN
Power Dissipation Ambient-Max 0.3 W
Power Dissipation-Max (Abs) 0.3 W
Qualification Status Not Qualified
Reference Standard CECC
Surface Mount YES
Terminal Finish Tin (Sn)
Terminal Form GULL WING
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Transistor Application AMPLIFIER
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 9000 MHz

Alternate Parts for BFR520

This table gives cross-reference parts and alternative options found for BFR520. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BFR520, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
BFR520,215 NXP Semiconductors Check for Price BFR520 - NPN 9 GHz wideband transistor TO-236 3-Pin BFR520 vs BFR520,215
BFR520T/R NXP Semiconductors Check for Price TRANSISTOR L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, PLASTIC, SST, 3 PIN, BIP RF Small Signal BFR520 vs BFR520T/R
934018790215 NXP Semiconductors Check for Price L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, PLASTIC, SOT-23, 3 PIN BFR520 vs 934018790215
BFR520T NXP Semiconductors Check for Price L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, PLASTIC, SC-75, 3 PIN BFR520 vs BFR520T
934055892115 NXP Semiconductors Check for Price L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, PLASTIC, SC-75, 3 PIN BFR520 vs 934055892115
Part Number Manufacturer Composite Price Description Compare
BFS20R-TAPE-13 NXP Semiconductors Check for Price TRANSISTOR VHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, BIP RF Small Signal BFR520 vs BFS20R-TAPE-13
BF569 NXP Semiconductors Check for Price TRANSISTOR UHF BAND, Si, PNP, RF SMALL SIGNAL TRANSISTOR, BIP RF Small Signal BFR520 vs BF569
ZTX325STZ Diodes Incorporated Check for Price RF Small Signal Bipolar Transistor, 0.05A I(C), 1-Element, Ultra High Frequency Band, Silicon, NPN, TO-92 COMPATIBLE, E-LINE PACKAGE-3 BFR520 vs ZTX325STZ
BFY90 TT Electronics Resistors Check for Price RF Small Signal Bipolar Transistor, 0.025A I(C), 1-Element, Ultra High Frequency Band, Silicon, NPN, TO-72, TO-72, 4 PIN BFR520 vs BFY90
BFS17LT1 Motorola Mobility LLC Check for Price VHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-236AB BFR520 vs BFS17LT1
ZTX325STZ Zetex / Diodes Inc Check for Price RF Small Signal Bipolar Transistor, 0.05A I(C), 1-Element, Ultra High Frequency Band, Silicon, NPN, TO-92 COMPATIBLE, E-LINE PACKAGE-3 BFR520 vs ZTX325STZ
BF199 NXP Semiconductors Check for Price TRANSISTOR Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP RF Small Signal BFR520 vs BF199
ZTX325STOB Zetex / Diodes Inc Check for Price RF Small Signal Bipolar Transistor, 0.05A I(C), 1-Element, Ultra High Frequency Band, Silicon, NPN, TO-92 COMPATIBLE, E-LINE PACKAGE-3 BFR520 vs ZTX325STOB
BFS17T116 ROHM Semiconductor Check for Price RF Small Signal Bipolar Transistor, 0.05A I(C), 1-Element, Ultra High Frequency Band, Silicon, NPN, BFR520 vs BFS17T116
UZTX325STOA Zetex / Diodes Inc Check for Price RF Small Signal Bipolar Transistor, 0.05A I(C), 1-Element, Ultra High Frequency Band, Silicon, NPN, TO-92 COMPATIBLE, E-LINE PACKAGE-3 BFR520 vs UZTX325STOA

BFR520 Related Parts

BFR520 Frequently Asked Questions (FAQ)

  • The recommended operating voltage range for the BFR520 is 4.5V to 5.5V, with a typical voltage of 5V.

  • To ensure proper biasing, connect the VCC pin to a stable 5V power supply, and decouple it with a 100nF capacitor to ground. Also, ensure the input signal is properly terminated and matched to the device's input impedance.

  • The BFR520 can handle input powers up to +15dBm (31.6mW) without damage. However, for optimal performance, it's recommended to keep the input power below +10dBm (10mW).

  • To minimize noise and oscillations, ensure proper grounding and decoupling of the device, use a low-noise power supply, and keep the input signal well-matched to the device's input impedance. Additionally, use a shielded enclosure and keep the device away from other noise sources.

  • The typical current consumption of the BFR520 is around 10mA, but this can vary depending on the operating frequency, input power, and other factors.

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