AC857BQ-7 The AC857BQ-7 is a PNP small signal transistor from Diodes Incorporated, rated for 45V collector-emitter voltage and 100mA collector current in a surface-mount SOT23-3 package.
Mfr Part #:

AC857BQ-7

Available from 1 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
The AC857BQ-7 is a PNP small signal transistor from Diodes Incorporated, rated for 45V collector-emitter voltage and 100mA collector current in a surface-mount SOT23-3 package.
✓ Total Stock: 90,000 pcs
$ Price Range: $0.04 - $0.24

AC857BQ-7 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
90,000 pcs
90000 pcs On Request 1 On Request On Request 18+ On Request On Request

AC857BQ-7 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Halogen Free
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
Weight

AC857BQ-7 Description

Short technical summary and product information.

The AC857BQ-7 is a PNP small signal bipolar junction transistor designed by Diodes Incorporated for automotive and general-purpose switching and amplification applications. It features a maximum collector-emitter voltage of 45V and a continuous collector current rating of 100mA, with a peak current capability of 200mA. The device offers a DC current gain (hFE) of 220 minimum at 2mA and 5V, and a typical transition frequency of 100MHz, making it suitable for AF amplifier and switching circuits.

 

This transistor is housed in a surface-mount SOT23-3 package with molded plastic case material rated UL 94V-0. It is fully RoHS compliant, lead-free, and halogen and antimony free. The device is qualified to AEC-Q101 standards for high reliability and is PPAP capable, ensuring suitability for automotive environments. Moisture sensitivity is Level 1 per J-STD-020, allowing unlimited floor life.

 

The AC857BQ-7 is supplied on 7-inch reels with a standard package quantity of 3,000 units. Its matte tin plated leads are solderable per MIL-STD-202, Method 208. Complementary NPN types are the AC847BQ-AC847CQ series.

AC857BQ-7 Quick Information

Product Type: Bipolar Junction Transistor
Series: AC857BQ
Canonical Name: AC857BQ-7 PNP Small Signal Transistor
Subcategory: Single PNP

AC857BQ-7 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): Level 1 - Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead Free

AC857BQ-7 Estimated Pricing

Qty Low High
1+ $0.24 $0.24
10+ $0.14 $0.14
100+ $0.09 $0.09
500+ $0.07 $0.07
1,000+ $0.06 $0.06
3,000+ $0.04 $0.04

Estimated market price range - modelled values for guidance only, not live distributor offers.

AC857BQ-7 Features

  • PNP small signal bipolar junction transistor.
  • Rated for 45V collector-emitter voltage.
  • 100mA continuous collector current capability.
  • AEC-Q101 qualified for automotive reliability.
  • Surface-mount SOT23-3 package.

AC857BQ-7 Applications

  • Used in automotive electronic control modules.
  • Suitable for AF amplifier circuits.
  • Ideal for low-power switching applications.
  • Works in general-purpose signal amplification.

AC857BQ-7 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the AC857BQ-7?

The maximum collector-emitter voltage (VCEO) is 45V.

What is the maximum collector current rating?

The maximum continuous collector current is 100mA, with a peak current of 200mA.

What package does the AC857BQ-7 come in?

It comes in a surface-mount SOT23-3 package (also known as TO-236-3 or SC-59).

What is the operating temperature range?

The operating junction temperature range is -65°C to 150°C.

Is the AC857BQ-7 RoHS compliant?

Yes, it is fully RoHS3 compliant and lead-free.

What is the DC current gain (hFE) of this transistor?

The minimum DC current gain is 220 at a test condition of Ic=2mA and Vce=5V.

What is the transition frequency of the AC857BQ-7?

The typical transition frequency is 100MHz.

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