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BD4939G-TR The BD4939G-TR is a 3.9V voltage detector from ROHM Semiconductor. It features an active low push-pull output and is housed in a surface mount 5-SSOP package.
Mfr Part #:

BD4939G-TR

Available from 1 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
The BD4939G-TR is a 3.9V voltage detector from ROHM Semiconductor. It features an active low push-pull output and is housed in a surface mount 5-SSOP package.
✓ Total Stock: 948 pcs
$ Price Range: $0.75

BD4939G-TR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
948 pcs
On Request
948 pcs On Request 1 On Request On Request 1419+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BD4939G-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Reset
Supplier Device Package
Type
Voltage
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BD4939G-TR Description

Short technical summary and product information.

The BD4939G-TR is a voltage detector IC from ROHM Semiconductor designed for monitoring a single voltage rail. It monitors a threshold of 3.9V and provides an active low reset output signal. The output type is push-pull, totem pole, making it suitable for direct interface with logic inputs without requiring an external pull-up resistor.

 

This device is offered in a compact 5-SSOP package, also known as SC-74A or SOT-753, and supports surface mount mounting. It is specified for an operating temperature range of -40°C to 105°C, allowing use in industrial and automotive environments. The part is RoHS3 compliant and has an MSL rating of 1 (unlimited).

BD4939G-TR Quick Information

Product Type: Voltage Detector
Canonical Name: BD4939G-TR Voltage Detector with Active Low Push-Pull Output
Subcategory: Voltage Detector

BD4939G-TR Compliance

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

BD4939G-TR Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

BD4939G-TR Features

  • Monitors a single 3.9V voltage rail.
  • Provides an active low reset output.
  • Push-pull, totem pole output type.
  • Surface mount 5-SSOP package.
  • Operates from -40°C to 105°C.

BD4939G-TR Applications

  • Used in microprocessor power supply monitoring.
  • Ideal for battery-powered equipment supervision.
  • Suitable for industrial control systems.
  • Applicable in automotive electronics.

BD4939G-TR FAQs

4 frequently asked questions generated from this part’s specifications.
What is the monitoring voltage of the BD4939G-TR?

The monitoring voltage is 3.9V.

What is the output type of the BD4939G-TR?

The output type is push-pull, totem pole with an active low reset.

What is the operating temperature range of the BD4939G-TR?

The operating temperature range is -40°C to 105°C.

What package is the BD4939G-TR available in?

The BD4939G-TR is available in a 5-SSOP package, also known as SC-74A or SOT-753.

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