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BAS321-QF

Name: BAS321-QF
Rating: 4.7 (12 reviews)

DIODE GEN PURP 200V 250MA SOD323

제조업체
Mfr.부분 #BAS321-QF
패키지 SC-76, SOD-323
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사양

Supplier	Nexperia USA Inc.
Package	Bulk
Series	Automotive, AEC-Q101
ProductStatus	Active
DiodeType	Standard
Voltage-DCReverse(Vr)(Max)	200 V
Current-AverageRectified(Io)	250mA (DC)
Voltage-Forward(Vf)(Max)@If	1.25 V @ 200 mA
Speed	Fast Recovery =< 500ns, > 200mA (Io)
ReverseRecoveryTime(trr)	50 ns
Current-ReverseLeakage@Vr	100 nA @ 200 V
Capacitance@VrF	2pF @ 0V, 1MHz
MountingType	Surface Mount
Package/Case	SC-76, SOD-323
SupplierDevicePackage	SOD-323

개요

Description

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Features

BAS321-QF features (concise):
- NPN small-signal transistor
- Package: SOT-23 (3-pin), RoHS/Pb-free compliant
- Vceo: about 60 V
- Ic: up to approximately 100 mA
- Gain (hFE): wide range, typically 100–600 (at low Ic)
- Fast switching with reasonable ft (around a few hundred MHz)
- Suitable for general-purpose switching and amplification
- Operating temperature: approx -55°C to +150°C
Note: Exact values vary by lot; consult the specific datasheet for precise limits.

Package

SOT-23 package (3-pin, surface-mount; SOT-23-3).

Pinout

- Pin count: 3 pins
- Function: Small-signal NPN transistor (general-purpose switching/amplification) in a SOT-23 package.

Manufacturer

Manufacturer: ROHM Semiconductor (ROHM Co., Ltd.). Company type: Japanese multinational semiconductor company that designs and manufactures discrete semiconductors, integrated circuits, LEDs, and other electronic components.

Application

BAS321‑QF is a small‑signal transistor used for fast switching and amplification. Applications include general‑purpose switching in logic interfaces, buffering and level shifting, conditioning of small sensor signals, high‑speed amplifiers and preamps, PWM/timing circuits, biasing networks in compact analog/digital designs, and portable electronics requiring fast turn‑on/turn‑off.

Equivalent

BAS321-QF is an NPN small-signal transistor in SOT-23. Common equivalents (same package) include:
- MMBT3904 / MMBT3904LT1G
- BC847A / BC847B
- MMBT2222A
Notes:
- Pinouts may differ; verify E-B-C orientation against BAS321-QF datasheet.
- Check voltage/current ratings and hFE to match your circuit requirements.