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Product Detailed Parameters
- Description：XFRMR 4PORT 1:2 1.2MH SMD
- Series：-
- Mfr：Pulse Electronics
- Package：Tube
- Transformer Type：T1/E1 (Quad)
- Inductance：1.2mH
- ET (Volt-Time)：-
- Turns Ratio - Primary:Secondary：1:2 Transmitter, 1:2 Receiver
- Mounting Type：Surface Mount
- Size / Dimension：1.125" L x 0.485" W (28.58mm x 12.32mm)
- Height - Seated (Max)：0.285" (7.24mm)
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
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Overview
The TX9023NL is a quad-port surface mount pulse transformer manufactured by Pulse Electronics. Designed for T1/E1 and ISDN-PRI applications, this component features an inductance of 1.2mH with a turns ratio of 1:2 for both transmitter and receiver channels. It operates within a temperature range of -40°C to 85°C and includes IC side protection circuits on each channel to suppress low voltage transients. The package dimensions are 1.125 inches in length and 0.485 inches in width, with a maximum height of 0.285 inches.
Feature Summary
- Quad-port configuration supporting four independent signal channels
- Integrated IC side protection circuitry for transient suppression
- Patented interlock base construction ensuring high reliability
- Surface mount design compatible with automated assembly processes
Applications
- T1 network interface equipment
- E1 digital transmission systems
- ISDN-PRI terminal adapters
- CEPT standard communication devices
Procurement Notes
Verify the obsolete status of this specific part number before initiating procurement activities. Confirm that the manufacturer has officially discontinued production or that existing stock is limited. Ensure that any alternative sourcing channels provide genuine components with traceable history. Check for valid RoHS compliance documentation if required by regulatory standards. Validate that the replacement strategy aligns with long-term supply chain stability requirements.
Selection Notes
Select this component specifically for T1/E1 quad-port applications requiring integrated transient protection. The 1.2mH inductance value must match the line side requirements of the target circuit design. Consider the physical footprint constraints as the package measures 1.125 inches by 0.485 inches. Verify thermal compatibility with the operating environment given the -40°C to 85°C rating. Ensure the surface mount termination style fits the PCB layout specifications.
Part Context
This transformer belongs to the T1/CEPT/ISDN-PRI series from Pulse Electronics. It is designed for use in digital subscriber line interfaces and telecommunications infrastructure. The product utilizes a low-profile surface mount package to facilitate compact board designs. It serves as a critical isolation component between the network line and the integrated circuit.
Replacement Considerations
- TX9023NLST
FAQ
What is the primary function of the internal circuitry?
The component includes IC side protection circuits on each channel to suppress low voltage transients.
What is the minimum isolation voltage specification?
The minimum isolation voltage is 1500 Vrms.
