SM75057EL The Bourns SM75057EL is a power transformer designed for telecom applications. It features dual primary and secondary windings and a low profile.
Mfr Part #:

SM75057EL

Available from 1 distributors
Mfr Name: Bourns
Bourns
The Bourns SM75057EL is a power transformer designed for telecom applications. It features dual primary and secondary windings and a low profile.
Total Stock: 5,390 pcs
$ Price Range: $3.00

SM75057EL Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,390 pcs
5390 pcs On Request 1 On Request On Request 1236+ On Request On Request

SM75057EL Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Center Tap
DC Resistance
Height
Mounting Type
Operating Temperature
Primary Winding(s)
Secondary Winding(s)
Storage Temperature
Tape & Reel
Termination Style

SM75057EL Description

Short technical summary and product information.

The Bourns SM75057EL is a surface mount power transformer suitable for telecom applications. It offers a low height of 5.65 mm and operates within a temperature range of -40 °C to +85 °C.

 

Key electrical specifications include a minimum OCL of 1.2 mH at 10 kHz for both primary (1-3) and secondary (6-8) windings. Leakage inductance is a maximum of 0.6 µH. The winding-to-winding capacitance is 30 pF max. It features dual primary and secondary windings with a turns ratio of 1:2 ±2% for both sets. DC resistance ranges from 0.5 to 0.8 ohm for the primary and secondary windings, and 0.9 to 1.6 ohm for the other windings. The device has a HIPOT rating of 2000 VAC between windings.

 

This transformer is RoHS3 compliant and has an MSL of 1. It is supplied in tape and reel packaging with 700 pieces per reel. The termination style is surface mount.

SM75057EL Quick Information

Product Type: Power Transformer
Canonical Name: SM75057EL T1/E1 Transformer
Subcategory: Power Transformer

SM75057EL Compliance

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

SM75057EL Estimated Pricing

Qty Low High
1+ $3.00 $3.00

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

SM75057EL Features

  • Low height of 5.65 mm.
  • Operating temperature from -40 °C to +85 °C.
  • Dual primary and secondary windings.
  • Surface mount termination style.
  • RoHS3 compliant.

SM75057EL Applications

  • Used in power supply circuits
  • Suitable for isolated power conversion
  • Ideal for compact electronic modules
  • Supports high-temperature environments

SM75057EL FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the SM75057EL?

The operating temperature range is -40 °C to +85 °C.

What is the OCL for the SM75057EL transformer?

The OCL is 1.2 mH minimum at 10 kHz, 0.1 V for windings (1-3) and (6-8). At -40 °C to +85 °C, the OCL is 600 µH minimum.

What is the turns ratio of the SM75057EL?

The turns ratio for (1-3) : (16-14) is 1:2 ±2%, and for (6-8) : (11-9) is 1:2 ±2%.

What is the DC resistance of the SM75057EL windings?

The DCR for windings (1-3) and (6-8) is 0.5 to 0.8 ohm. The DCR for windings (16-14) and (11-9) is 0.9 to 1.6 ohm.

How is the SM75057EL packaged?

The SM75057EL is supplied in tape and reel packaging with 700 pieces per reel.

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