PULSE TRANSFORMER Designed for use with Maxim "MAX250" Turns Ratio ( + 5% ) 1CT : 1 Parameter Min. Max. Units Open Circuit Inductance 1.0 2.5 mH 30 µH 100 pF Primary DC Resistance 2.0 ohms Secondary DC Resistance 2.0 ohms Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. Oscillation Voltage = 20mV Oscillation Frequency = 100.0 KHz Leakage Inductance Oscillation Level = 20mV Oscillation Frequency = 100.0 KHz Interwinding Capacitance (CW/W) Parts shipped in anti-static tubes. 31 pieces per tube Oscillation Frequency = 100.0 KHz Isolation (HI-POT) ET 2000 V RMS 50 VµS Physical Dimensions in inches (mm) Note: Unused Pins Omitted Primary measured Pins 1-3. .558 .400 (10.16) MAX. (14.2) MAX. 1 6 2 5 3 4 Surface mount version of this part available. Part# T-1378G .400 (10.16) .120 (3.05) MIN. .200 (5.08) TYP. .558 (14.2) MAX. Schematic 6 1 Leads are # 22 AWG Solderable Pri 2 Sec 3 4 Primary Pins 1 - 3 Rhombus Industries Inc. Transformers & Magnetic Products RHOMBUS P/N: T-1378 CUST P/N: DATE: 11/15/00 www.rhombus-ind.com NAME: SHEET: 1 OF 1 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 FAX: (714) 896-0971