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China Telecom Interface Transformer PULSE PE-68678NLT with RoHS Compliance and 1544 Mbps Data Rate Support for sale

Telecom Interface Transformer PULSE PE-68678NLT with RoHS Compliance and 1544 Mbps Data Rate Support

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

Product Overview

This series of T1/CEPT/ISDN-PRI transformers are designed for use in 1.544 Mbps (T1), 2.048 Mbps (CEPT), and ISDN Primary Rate (PRI) interface applications. They are matched to leading transceiver ICs, ensuring compliance with ITU-T G.703 and other relevant standards for pulse waveform, return loss, and balance. Available in various package types including Dual SMT, Single Through Hole, and Dual Through Hole, these transformers offer isolation voltages of 1500 Vrms (with some models offering 3 kVrms reinforced insulation) and are RoHS-6 compliant. They are suitable for EMI reduction when used in conjunction with common mode chokes.

Product Attributes

  • Brand: Pulse Electronics
  • Certifications: UL recognized (some parts pending approval), UL94-VO approved materials, IEC 695-2-2 (Needle Flame Test) compliance. Reinforced Insulation models certified by TUV and UL.
  • RoHS Compliance: RoHS-6 Compliant
  • Peak Reflow Temperature: 245C

Technical Specifications

Part Number Turns Ratio (Pri:Sec %) OCL @ 25C (mH MIN) L (H MAX) w/w (pF MAX) DCR Pri ( MAX) DCR Sec ( MAX) Package/Schematic Primary Pins Operating Temp Range Weight
PE-68841NL 1CT:2CT & 1CT:2CT (2%) 1.20 & 1.20 0.80 & 0.80 50 & 50 1.00 & 1.00 1.70 & 1.70 AN/2 12-10, 4-6 0C to +70C 4.0 grams
PE-68822NL 1CT:2CT & 1:1.36CT (2%) 1.60 & 1.60 1.00 & 0.80 60 & 55 1.70 & 1.70 2.00 & 1.70 AN/1 12-10, 4-6 0C to +70C 4.0 grams
PE-68826NL 1:1/1.26 & 1:2CT (2%) 1.20 & 1.20 0.80 & 0.80 50 & 60 1.00 & 1.00 1.10 & 1.70 AN/4 12-10, 4-6 0C to +70C 4.0 grams
PE-68828NL 1CT:1CT & 1CT:1CT (2%) 1.20 & 1.20 0.80 & 0.80 50 & 50 1.00 & 1.00 1.00 & 1.00 AN/2 1-3, 4-6 0C to +70C 4.0 grams
PE-68874NL 1CT:1.15CT & 1CT:1.15CT (2%) 1.20 & 1.20 0.80 & 0.80 50 & 50 1.20 & 1.20 1.40 & 1.40 AN/2 1-3, 4-6 0C to +70C 4.0 grams
PE-68877NL 1CT:1CT & 1CT:2CT (2%) 1.20 & 1.20 0.80 & 0.80 50 & 50 1.00 & 1.00 1.00 & 1.80 AN/2 1-3, 4-6 0C to +70C 4.0 grams
PE-68884NL 1CT:1.36CT & 1CT:1.36CT (2%) 1.20 & 1.20 0.80 & 0.80 50 & 50 1.20 & 1.20 1.40 & 1.40 AN/2 1-3, 4-6 0C to +70C 4.0 grams
PE-68664NL 1CT:2CT & 1:1 (2%) 1.20 & 1.20 0.30-0.55 & 0.80 30 & 30 0.70 & 0.70 1.20 & 0.70 AN/3 1-3, 5-6 0C to +70C 4.0 grams
PE-68836NL 1:1/1.26 & 1:1/1.26 (2%) 1.50 & 1.50 0.40 & 0.40 45 & 35 0.80 & 0.80 1.00 & 1.00 AN/5 12-10, 9-7 0C to +70C 4.0 grams
PE-65861NL 1CT:2CT & 1CT:2CT (5%) 1.20 & 1.20 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/1 16-14, 6-8 0C to +70C 1.0 grams
T1090NL 1CT:2CT & 1CT:2CT (5%) 1.20 & 1.20 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/1 16-14, 6-8 0C to +70C 1.0 grams
T1076NL 1:1.15CT & 1CT:2CT (5%) 1.20 & 1.20 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/2 16-14, 6-8 0C to +70C 1.0 grams
PE-65870NL 1CT:1.15CT & 1CT:1.15CT (5%) 1.20 & 1.20 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/1 1-3, 6-8 0C to +70C 1.0 grams
PE-68678NL 1CT:1CT & 1CT:2CT (5%) 1.20 & 1.20 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/1 16-14, 6-8 0C to +70C 1.0 grams
T1094NL 1CT:1CT & 1CT:2CT (5%) 1.20 & 1.20 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/1 16-14, 6-8 0C to +70C 1.0 grams
PE-68786NL 1CT:1.4CT & 1CT:1.41CT (5%) 1.00 & 1.00 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/1 16-14, 11-9 0C to +70C 1.0 grams
T1023NL 1CT:1.4CT & 1CT:1.41CT (5%) 1.00 & 1.00 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/1 1-3, 11-9 0C to +70C 1.0 grams
T1021NL 2CT:1/1.26CT & 2CT:1/1.26CT (5%) 1.50 & 1.50 0.50 & 0.50 40 & 40 0.70 & 0.70 - BH/1 1-3, 11-9 0C to +70C 1.0 grams
T1137NL 1CT:2.42CT & 1CT:2.42CT (5%) 1.20 & 1.20 0.60 & 0.60 25 & 25 0.70 & 0.70 - BH/1 1-3, 6-8 0C to +70C 1.0 grams
TX1287NL 1CT:2.42CT & 1CT:2.42CT (5%) 1.20 & 1.20 0.60 & 0.60 25 & 25 0.70 & 0.70 - BH/1 1-3, 6-8 0C to +70C 1.0 grams
T1146NL 1:2/2.4 & 1CT:2CT (5%) 1.00 & 1.00 1.00 & 1.00 35 & 35 0.80 & 0.80 - BH/4 1-3, 6-8 0C to +70C 1.0 grams
TX1188NL 1CT:2CT & 1CT:2CT (5%) 1.20 & 1.20 0.60 & 0.60 30 & 30 0.70 & 0.70 - BH/1 1-3, 6-8 0C to +70C 1.0 grams
TX1089NL 1CT:1CT & 1CT:1CT (5%) 1.20 & 1.20 0.80 & 0.80 30 & 30 0.70 & 0.70 - BH/1 1-3, 6-8 0C to +70C 1.0 grams
TX1467NL 1CT:1CT & 1CT:2CT (5%) 1.20 & 1.20 0.80 & 0.80 30 & 30 1.00 & 1.00 - BH/3 16-14, 11-9 0C to +70C 1.0 grams
PE-65830NL 1.27CS:1 (5%) 1.800 0.60 15 0.70 0.50 IS/3 1-5 0C to 70C 4 grams
PE-65832NL 1:1.36CT (5%) 1.20 0.60 35 0.70 0.90 IS/4 10-6 0C to 70C 4 grams
PE-65833NL 1CT:2CT (5%) 1.20 0.30-0.55 20 0.50 0.90 IS/1 1-5 0C to 70C 4 grams
PE-65834NL 1:1 (5%) 1.20 0.50 20 0.50 0.50 IS/2 1-5 0C to 70C 4 grams
PE-65835NL 1CT:2CT (5%) 1.20 0.80 15 0.70 1.10 IS/1 1-5 0C to 70C 4 grams
PE-65838NL 1:1.14CT (5%) 1.50 1.00 30 0.70 0.90 IS/4 10-6 0C to 70C 4 grams
PE-65839NL 1:1/1.26 (5%) 1.50 0.60 35 0.70 1.10 IS/4 10-6 0C to 70C 4 grams
PE-68646NL 1:1.58/2 (5%) 1.50 0.70 20 0.70 1.20 IS/4 10-6 0C to 70C 4 grams
PE-64931NL 1:1:1 (1:2CS) (2%) 1.20 0.50 25 0.70 0.70 & 0.70 HC/2 1-2 0C to +70C 2 grams
PE-64934NL 1:1w (2%) 1.20 0.50 25 0.70 0.70 HC/1 1-2 0C to +70C 2 grams
PE-64936NL 1CT:1 (2%) 1.20 0.80 25 0.70 0.70 HC/3 1-5 0C to +70C 2 grams
PE-64937NL 1:1.36 (2%) 1.20 0.80 35 0.70 0.80 HC/1 5-6 0C to +70C 2 grams
PE-65351NL 1:2CT (2%) 1.20 0.50 - 0.70 1.30 HC/3 2-6 0C to +70C 2 grams
PE-65363NL 1:4CT (2%) 0.50 1.00 40 0.70 1.50 HC/5 1-5 0C to +70C 2 grams
PE-65388NL 1:1.15CT (2%) 1.50 0.60 35 0.70 0.90 HC/3 2-6 0C to +70C 2 grams
PE-65389NL 1:1/1.26 (2%) 1.50 0.40 40 0.70 0.90 HC/3 2-6 0C to +70C 2 grams
PE-65415NL 1CT:2CT (2%) 1.20 0.50 30 0.70 1.20 HC/4 1-5 0C to +70C 2 grams
PE-68644NL 1CT:1 (2%) 0.70 0.70 20 0.20 0.80 HC/3 1-5 0C to +70C 2 grams
PE-65770NL 1:1.15CT (2%) 1.50 0.80 40 0.90 1.00 HC/3 2-6 0C to +70C 2 grams
PE-65771NL 1CT:2CT (2%) 1.20 0.60 50 1.00 2.00 HC/4 2-6 0C to +70C 2 grams
PE-65778NL 1CT:1CT (2%) 1.20 1.00 40 1.00 1.00 HC/4 1-5 0C to +70C 2 grams
TX1252NL 1CT:1 (2%) 1.20 1.00 40 1.00 1.00 HC/3 1-5 0C to +70C 2 grams
PE-64952NL 1:2CT & 1:1.36 (5%) 1.20 & 1.20 0.50 & 0.80 35 & 35 0.80 & 0.80 1.20 & 1.00 HD/2 14-12, 5-7 0C to +70C 2.3 grams
PE-65565NL 1:1.15CT & 1:2CT (5%) 1.50 & 1.20 0.60 & 0.50 35 & 40 0.70 & 0.70 1.10 & 1.30 TD/1 14-12, 5-7 0C to +70C 2.6 grams

Additional Information

Isolation Voltage: 1500 Vrms (Standard), 3 kVrms (Reinforced Insulation models)

Operating Temperature Ranges:

  • Standard: 0C to +70C
  • Extended: -40C to +85C

Common Mode Chokes: Available for EMI reduction, providing high-frequency attenuation.

Packaging: Available in Tape & Reel (add 'T' suffix to part number) or Tube.


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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changsha Purple Horn E-Commerce Co., Ltd.
Location 2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
Contact Person Sellina

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