Seven Fold SMD Signal Transformer Modules Features • Low profile (5.8mm) and light weight (4.0 g) these 7 fold modules facilitate pick and place compatability and speed of placement • Consistent and reliable coplanarity • Excellent quality at extremely competitive price due to high volume production • Manufactured in an ISO-9001:2000, TS-16949:2002 and ISO-14001:2004 certified Talema facility • Fully RoHS compliant and meets lead free reflow level J-STD-020C Electrical Specifications Ratings@ 25°C ambient Operating Temperature Range: -10°C to +85°C Storage Temperature: -40°C to +125°C Standard packing in tape and reel Quality and consistency is guaranteed through 100% testing of the specified parameters for primary inductance, turns ratio, DC resistance and dielectric strength. Seven Fold SMD Signal Transformer Modules Part Number 82224 82225 OCL -45% +35% Turns Ratio 1.238:1 ±1.5% 3.727:1 ±2% 1:1 ±1.5% 3.727:1 ±2% Pins 40-38:1-2, etc. (7 coils) Pins 40-39:39-38, etc. ( 7 coils) Pins 40-38:1-2, etc. (7 coils) Pins 40-39:39-38, etc. (7 coils) 4.41mH Pins 40-38, etc. 4.41mH Pins 40-38, etc. Dielectric Strength Schematic 350Vrms/50Hz A 350Vrms/50Hz B DCR (Ohms max) 1.5 Ohms Pins 40-38, etc. 1.3 Ohms Pins 1-2, etc. 1.5 Ohms Pins 40-38, etc. 1.5 Ohms Pins 1-2, etc. Test Conditions Inductance (OCL): Turns Ratio Tolerance: Windings 40-38 = 37-35 = 34-32 = 31-29 = 28-26 = 25-23 = 22-20 = 4.41mH (-45%+35%) @ 10kHz, 10mV Windings 40-38:1-2; 37-35:4-5; 34-32:7-8; 31-29:10-11; 28-26:13-14; 25-23:15-16; 22-20:17-18 = ±1.5% @ 10kHz Windings 40-39:39-38; 37-36:36-35; 34-33:33-32; 31-30:30-29; 28-27:27-26; 25-24:24-23; 22-21:21-20 = ±2% @ 10kHz Primary to Secondary winding - 350Veff; 1s @ 50/60Hz UPULSE Primary windings to Seconary windings, 10 surges each of positive and negative polarity, measured at 2,5kVOP for 1,2µs/50µs wave form Windings 40-38 = 37-35 = 34-32 = 31-29 = 28-26 = 25-23 = 22-20 = Max. as noted in above table Windings 40-39:39-38; 37-36:36-35; 34-33:33-32; 31-30:30-29; 28-27:27-26; 25-24:24-23; 22-21:21-20 = Max - see table Dielectric Strength: Surge Voltage: Resistance (DCR): Package Schematics 31 30 Surface coplanarity will be <0.004 (0.10) 19 x 0.050 (19 x 1,27) 11 0.030 (0,77) 1 : 1.238 13 29 28 27 0.091 (2,30) 0.661 0.480 (16,80) (12,20) 14 15 26 1 : 1.238 25 24 16 0.950 (24,13) Dimensions: Inches (Millimeters) Tolerance: ±0.010 (0.25) unless specified otherwise 17 23 1 : 1.238 22 21 18 20 4 3 38 1:1 37 36 5 6 35 1:1 8 7 9 33 32 1:1 8 1:1 13 1:1 16 17 18 28 26 25 13 15 29 27 12 14 31 30 10 11 34 24 1:1 23 22 21 1:3.727 1:1 1:1 2 1:3.727 1 : 1.238 40 39 1:3.727 10 Suggested Pad Layout 1:1 1:3.727 8 33 32 1 3 1:3.727 34 1:1 7 1:1 0.189 (4.80) 35 1 : 1.238 1:1 0.236 (6.00) 5 1:1 1.102 (28.00) 37 36 1:1 19 x 0.05 (1,27) 38 1 : 1.238 1:3.727 0.076 (1.93) 4 0° - 8° 0.020 (0.50) 2 1:3.727 TALEMA IN WK / YR Part Number 40 39 1:3.727 1 TALEMA IN WK/YR Part Number 1:3.727 0.575 (14.60) 1:3.727 0.638 (16.20) 1:3.727 1:3.727 1 : 1.238 1:3.727 1:3.727 B A 20 Germany: Int.+49 89 - 841THE 00-0 •TALEMA Ireland: Int.+35 374 - 954•8666World • Czech Wide Rep: Int.+420 377 -Specialists 338 351 • India: Int.+91 427 - 244 1325 GROUP Toroidal http://www.talema-nuvotem.com (10-06)Communications \ 7 Fold Signal Trafo