Pulse Engineering's Isolation Transformers are designed for 10Base-T and Ethernet AUI applications, providing essential isolation for adapter cards, MAUs, hubs, and motherboard integration. These transformers meet IEEE 802.3 specifications and are available with common mode chokes for EMI suppression. They are offered in both surface mount and through-hole, auto-insertable 16-pin DIP packages, catering to diverse design requirements.
| Part Number | Type | Turns Ratio (Primary) | Common Mode Choke | OCL (H MIN) | Cww (pF MAX) | LL (H MAX) | DCR ( MAX) | Hipot (Vrms) | Schem. | Mech. | Pins | Operating Temperature (C) | ET-Constant (V-s MIN) | Rise Time (ns MAX) | Weight (grams) | Tube/Tube Qty | Tape & Reel Qty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 23Z128SM | Surface Mount | 1CT:1.414CT | - | 6-8 | 15 | 0.5 | 0.4 | 2000 | T4 | SMT5 | - | 0C to 70C | - | - | 0.22 | 60/tube | 1500/reel |
| 23Z356SM | Surface Mount | 1CT:1.414CT | 6-8 | 12 | 0.5 | 0.6 | 2000 | T7 | SMT5 | - | 0C to 70C | - | - | 0.22 | 60/tube | 1500/reel | |
| 23Z467SM | Surface Mount | 1CT:2CT | 6-8 | 12 | 0.2 | 0.6 | 2000 | T7 | SMT5 | - | 0C to 70C | - | - | 0.22 | 60/tube | 1500/reel | |
| E2023 | Surface Mount | 1CT: 2.5CT | 6-8 | 15 | 0.5 | 0.4 | 2000 | T10 | SMT4 | - | 0C to 70C | - | - | 0.82 | 40/tube | 900/reel | |
| E4001 | Surface Mount | 1CT:2CT | 6-8 | 8 | 0.3 | 0.8 | 3000 | T5 | SMT4 | - | 0C to 70C | - | - | 0.82 | 40/tube | 900/reel | |
| EX2024 | Surface Mount | 1CT: 2.5CT | 6-8 | 30 | 0.8 | 0.6 | 2000 | T10 | SMT4 | - | -40C to 85C | - | - | 0.82 | 40/tube | 900/reel | |
| PE-65454 | Surface Mount | 1:1.414 | - | 3-4 | 12 | 0.2 | 0.4 | 2000 | T1 | SMT2 | - | 0C to 70C | - | - | 0.22 | 60/tube | 1500/reel |
| PE-65745 | Surface Mount | 1CT: 1.414CT | - | 6-8 | 12 | 0.2 | 0.3 | 1500 | T4 | SMT4 | - | 0C to 70C | - | - | 0.82 | 40/tube | 900/reel |
| PE-68023 | Surface Mount | 1CT:2CT | 1-3 | 12 | 0.3 | 1.0 | 1500 | T6 | SMT4 | - | 0C to 70C | - | - | 0.82 | 40/tube | 900/reel | |
| PE-68048 | Surface Mount | 1CT: 1.414CT | 6-8 | 15 | 0.4 | 1.0 | 1500 | T5 | SMT4 | - | 0C to 70C | - | - | 0.82 | 40/tube | 900/reel | |
| PE-68052 | Surface Mount | 2CT:1CT | 1-3 | 12 | 0.3 | 1.0 | 1500 | T6 | SMT4 | - | 0C to 70C | - | - | 0.82 | 40/tube | 900/reel | |
| PE-68810 | Surface Mount | 1:1 (4X) | - | 1-2/3-4 | 12 | 0.2 | 0.4 | 2000 | T3 | SMT4 | - | 0C to 70C | - | - | 0.82 | 40/tube | 900/reel |
| PE-68820 | Surface Mount | 1:1.414 (4X) | - | 1-2/3-4 | 12 | 0.2 | 0.4 | 2000 | T3 | SMT4 | - | 0C to 70C | - | - | 0.82 | 40/tube | 900/reel |
| 23Z128 | Through Hole | 1CT: 2CT | - | 6-8 | 15 | 0.5 | 0.4 | 2000 | T4 | TH3 | - | 0C to 70C | - | - | 2.18 | 20/tube | - |
| 23Z90SM | Surface Mount | 1:1 | - | 1-2/4-5/7-8 | 10 | 0.20 | 0.20 | 2000 | T2 | SMT5 | - | 0C to 70C | 75 | 2.4 | 0.85 | 50/tube | 750/reel |
| 23Z91SM | Surface Mount | 1:1 | - | 1-2/4-5/7-8 | 10 | 0.20 | 0.30 | 2000 | T2 | SMT5 | - | 0C to 70C | 100 | 2.4 | 0.85 | 50/tube | 750/reel |
| 23Z108SM | Surface Mount | 1:1 | - | 1-2/4-5/7-8 | 16 | 0.30 | 0.35 | 2000 | T2 | SMT5 | - | 0C to 70C | 350 | 2.5 | 0.85 | 50/tube | 750/reel |
| PE-65723 | Surface Mount | 1:1 | - | 1-2/4-5/7-8 | 8 | 0.20 | 0.30 | 2000 | T2 | SMT4 | - | 0C to 70C | 75 | 1.8 | 0.82 | 40/tube | 900/reel |
| PE-65727 | Surface Mount | 1:1 | - | 1-2/4-5/7-8 | 12 | 0.20 | 0.30 | 2000 | T2 | SMT4 | - | 0C to 70C | 150 | 1.2 | 0.82 | 40/tube | 900/reel |
| PE-65728 | Surface Mount | 1:1 | - | 1-2/4-5/7-8 | 9 | 0.20 | 0.30 | 2000 | T2 | SMT4 | - | 0C to 70C | 100 | 1.8 | 0.82 | 40/tube | 900/reel |
| PE-64108 | Through Hole | 1:1 | - | 1-2/4-5/7-8 | 10 | 0.25 | 0.40 | 2000 | T2 | TH2 | - | 0C to 70C | 100 | 2.1 | 2.17 | 20/tube | - |
| PE-64109 | Through Hole | 1:1 | - | 1-2/4-5/7-8 | 15 | 0.20 | 0.45 | 2000 | T2 | TH2 | - | 0C to 70C | 150 | 3.0 | 2.17 | 20/tube | - |