UN521D Datasheet. Specs and Replacement

Type Designator: UN521D  📄📄 

SMD Transistor Code: 8M

Material of Transistor: Si

Polarity: Pre-Biased-NPN

Built in Bias Resistor R1 = 47 kOhm

Built in Bias Resistor R2 = 10 kOhm

Typical Resistor Ratio R1/R2 = 4.7

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.15 W

Maximum Collector-Base Voltage |Vcb|: 50 V

Maximum Collector-Emitter Voltage |Vce|: 50 V

Maximum Collector Current |Ic max|: 0.1 A

Max. Operating Junction Temperature (Tj): 150 °C

Electrical Characteristics

Transition Frequency (ft): 150 MHz

Forward Current Transfer Ratio (hFE), MIN: 30

Noise Figure, dB: -

Package: SOT323 SC70

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UN521D datasheet

 9.1. Size:230K  motorola

mun5211t1rev2.pdf pdf_icon

UN521D

MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by MUN5211T1/D Bias Resistor Transistor MUN5211T1 NPN Silicon Surface Mount Transistor with SERIES Monolithic Bias Resistor Network Motorola Preferred Devices This new series of digital transistors is designed to replace a single device and its external resistor bias network. The BRT (Bias Resistor Transistor) contains a sing... See More ⇒

 9.2. Size:179K  motorola

mun5211d.pdf pdf_icon

UN521D

MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by MUN5211DW1T1/D MUN5211DW1T1 Dual Bias Resistor Transistors SERIES NPN Silicon Surface Mount Transistors with Monolithic Bias Resistor Network Motorola Preferred Devices The BRT (Bias Resistor Transistor) contains a single transistor with a monolithic bias network consisting of two resistors; a series base resistor and a ba... See More ⇒

 9.3. Size:89K  onsemi

nsvmun5215dw1t1g.pdf pdf_icon

UN521D

MUN5215DW1, NSBC114TDXV6, NSBC114TDP6 Dual NPN Bias Resistor Transistors http //onsemi.com R1 = 10 kW, R2 = 8 kW PIN CONNECTIONS NPN Transistors with Monolithic Bias Resistor Network (3) (2) (1) This series of digital transistors is designed to replace a single R1 R2 device and its external resistor bias network. The Bias Resistor Transistor (BRT) contains a single transistor with... See More ⇒

 9.4. Size:191K  onsemi

nsvmun5212dw1t1g.pdf pdf_icon

UN521D

MUN5211DW1T1G, SMUN5211DW1T1G, NSVMUN5211DW1T1G Series Dual Bias Resistor Transistors http //onsemi.com NPN Silicon Surface Mount Transistors with Monolithic Bias Resistor Network The Bias Resistor Transistor (BRT) contains a single transistor with SOT-363 a monolithic bias network consisting of two resistors; a series base CASE 419B STYLE 1 resistor and a base-emitter resistor. The... See More ⇒

Detailed specifications: UN5216Q, UN5216R, UN5216S, UN5217Q, UN5217R, UN5217S, UN5218, UN5219, TIP122, UN521E, UN521F, UN521K, UN521L, UN521M, UN521N, UN521T, UN521V

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