BAS321-QF

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BAS321-QF

DIODE GEN PURP 200V 250MA SOD323

  • Manufacturer
  • Mfr. Part #BAS321-QF
  • Package SC-76, SOD-323
  • Datasheet
  • In Stock3634

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Specifications

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

Overview

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.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

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2. Credit/ Debit Card

3. Wire Transfer

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