BSR57 BSR57 is an N-Channel JFET from On Semiconductor with 40V drain-gate voltage rating, 20-100mA drain current, and 40Ω maximum on-resistance in a SOT-23-3 surface mount package.
Mfr Part #:

BSR57

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
BSR57 is an N-Channel JFET from On Semiconductor with 40V drain-gate voltage rating, 20-100mA drain current, and 40Ω maximum on-resistance in a SOT-23-3 surface mount package.
✓ Total Stock: 6,135 pcs
$ Price Range: $0.24 - $0.57

BSR57 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,730 pcs
5730 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
405 pcs
405 pcs On Request 1 On Request On Request On Request On Request On Request

BSR57 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Delay Time
FET Type
Junction Temperature
Lead Style
Medical Grade
Mounting Type
Operating Temperature
Power
Power Dissipation
Resistance
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Turn Off Time
Voltage

BSR57 Description

Short technical summary and product information.

The BSR57 is an N-Channel JFET designed for low-power chopper or switching applications. It features a maximum drain-gate voltage of 40V and a gate-source voltage rating of -40V. The device offers a zero-gate voltage drain current range of 20 to 100 mA at VDS = 15V, with a maximum drain-source on-resistance of 40Ω at VGS = 0V and ID = 1mA. The gate-source cutoff voltage is between 2.0V and 6.0V. Switching performance includes a maximum delay time of 6.0ns, rise time of 4.0ns, and turn-off time of 50ns. The reverse transfer capacitance is 5.0pF maximum. The BSR57 is housed in a Pb-free SOT-23-3 surface mount package and is supplied in tape and reel packaging with 3000 units per reel. Maximum power dissipation is 250mW at 40°C ambient, with a junction temperature rating of 150°C and storage temperature range of -55°C to +150°C.

BSR57 Quick Information

Product Type: JFET
Canonical Name: BSR57 N-Channel JFET
Subcategory: N-Channel JFET

BSR57 Compliance

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

BSR57 Estimated Pricing

Qty Low High
1+ $0.57 $0.57
10+ $0.35 $0.35
500+ $0.24 $0.24
3,000+ $0.24 $0.24

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

BSR57 Features

  • N-Channel JFET for low-power switching.
  • Maximum drain-gate voltage of 40V.
  • Drain current range 20 to 100 mA.
  • Maximum on-resistance of 40 ohms.
  • Surface mount SOT-23-3 package.

BSR57 Applications

  • Low-power chopper and switching circuits.
  • Low-frequency low-noise amplifier stages.
  • Analog switch and multiplexer applications.

BSR57 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum drain-gate voltage of the BSR57?

The maximum drain-gate voltage is 40V.

What is the drain current range of the BSR57?

The zero-gate voltage drain current (IDSS) is 20 to 100 mA at VDS = 15V.

What is the package type of the BSR57?

The BSR57 is available in a SOT-23-3 surface mount package (also known as TO-236-3, SC-59).

What is the maximum operating junction temperature?

The maximum junction temperature is 150°C.

Is the BSR57 RoHS compliant?

The BSR57 is marked as RoHS3 Compliant in the database, but this is unverified. The datasheet confirms the package is Pb-Free.

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