BAS521-7

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BAS521-7

+Nomenclature

DIODE GEN PURP 300V 250MA SOD523

  • FabricantLa société diodes

  • Pièce fabricant #BAS521-7

  • Package SOD-523

  • En stock2916

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Spécifications

Attribut Valeur
Supplier Diodes Incorporated
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Diode Type Standard
Voltage - DC Reverse (Vr) (Max) 300 V
Current - Average Rectified(Io) 250mA (DC)
Voltage - Forward (Vf) (Max) @ If 1.1 V @ 100 mA
Speed Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr) 50 ns
Current - Reverse Leakage @ Vr 150 nA @ 250 V
Capacitance @ Vr F 5pF @ 0V, 1MHz
Mounting Type Surface Mount
Supplier Device Package SOD-523

Présentation

Description

BAS521-7 is a small, surface‑mount switching device in the BAS521 family. It’s used as a fast, low‑power signal switch or amplifier in compact circuits. The exact type (BJT or MOSFET) and electrical specs depend on the manufacturer, and the “-7” suffix denotes a specific variant with a particular pinout and ratings. For precise details (device type, Vds, Id or Rds(on), Vgs(th) or hFE, package), consult the vendor’s datasheet.

Equivalent

BAS521‑7 is an NPN small-signal transistor in SOT‑23. Common substitutes (SOT‑23, similar Ic and Vceo) include:
- MMBT4401 (60 V, ~600 mA)
- MMBT3904 (40 V, ~200 mA)
- BC847B (45 V, ~100–200 mA)
- BC846B (65 V, ~100–200 mA)
Note: check pinout and gain in datasheets for exact cross‑reference.

Pinout

3 pins. BAS521-7 is an N-channel enhancement-mode MOSFET (small-signal switch) in a SOT-23 package, used as a low-power switching element (drain-source path controlled by the gate).

Manufacturer

The BAS521-7 is a small-signal/switching diode sold under that part number by several semiconductor suppliers (notably Diodes Incorporated and Nexperia). Diodes Incorporated (and Nexperia) are global semiconductor manufacturers — companies that design, fabricate and supply discrete semiconductor components (diodes, transistors, MOSFETs), logic and analog ICs for consumer, computing, industrial and automotive markets.

Application

BAS521-7 is a small-signal N-channel MOSFET. Common application areas include:
- General-purpose low-side switching for loads (LEDs, relays, sensors) driven by microcontrollers.
- PWM/fast-switching tasks in DC–DC converters and power-management circuits.
- Level shifting and gate driving between different logic domains (e.g., 3.3/5 V to higher rails).
- Signal conditioning and routing in analog/digital front-ends.
- Portable, automotive, and industrial electronics for compact switching and protection circuitry.

Package

BAS521-7 is a small-signal NPN transistor packaged in a SOT-23 (three-pin) surface-mount package.

Produits liés à BAS521-7

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