speci cations which provide more details for the proper and safe use of the described product are available upon request. all speci cations are subject to change without notice. 6513_r_l (1/2) transformers r-l series r20-l, r40-l types for el-display lighting smd features these low-pro?e inverter transformers feature a mounting height of 3 and 3.7mm. they are ideal for small liquid crystal displays with thin el panels. the winding terminations and soldering terminals are physically separate. this prevents wire breakage or pin lifting during the mounting process. applications for electroluminescent back lighting. shapes and dimensions/terminal connections/ recommended pc board pattern recommended reflow soldering conditions electrical characteristics these specifications were measured using the tdk standard el panel (6.5cm 2 ) refer to ?easuring circuit for the measurement conditions. be aware that characteristics may be different depending on the el panel. tdk r l 12max. t max. 11max. 8.2 0.3 0.1 * 0.55 0.05 0.6 0.05 4 3 1 2 terminal flatness * standard: at the bottom of the product 10.45 0.3 series r20-l r40-l t max. 3 3.7 weight(g)typ. 0.9 1.1 10.2 8.2 4 3 1 2 dimensions in mm 1 1.5 30s max. 120s preheating: 120s 9s max. 240? 100? 150? 200? 230? time ( s ) part no. input voltage edc(v) ?0% input current (ma)typ. luminance (cd/m 2 ) output voltage erms(v) frequency (khz) typ. display panel area (cm 2 ) applicable el panel area (cm 2 ) r26-l 1.4 35 24 34 1.8 20 6 to 22 r27-l 2.1 38 24 34 1.8 20 6 to 22 r28-l 3 32 24 34 1.8 20 6 to 22 r40-l 3 39 23 37 1.1 32 22 to 40 r41-l 1.4 78 21 36 1 32 22 to 40 R42-L 2.1 49 25 37 1.1 32 22 to 40
6513_r_l 990730 speci cations which provide more details for the proper and safe use of the described product are available upon request. all speci cations are subject to change without notice. 6513_r_l (2/2) transformers r-l series r20-l, r40-l types for el-display lighting smd typical electrical characteristics input/output characteristics r20-l type r26-l?r27-l?r28-l? recommended operating range: recommended operating range: recommended operating range: dc.1 to 2v dc.1.5 to 3.2v dc.2.4 to 4.5v r40-l type r40-l r41-l R42-L recommended operating range: recommended operating range: recommended operating range: dc.2 to 4.5v dc.0.9 to 1.6v dc.1.4 to 2.8v measuring circuit 70 0.5 1 1.5 2 2.5 3 3.5 4 4.5 1 2 3 4 10 20 40 30 60 50 luminance ( cd/m 2 ) input current ( ma ) output voltage erms ( v ) input voltage ( v ) oscillating frequency ( khz ) 1.5v 3.2v rating 2.1v erms l f iin 70 0.5 1 1.5 2 2.5 3 3.5 4 4.5 1 2 3 4 10 20 40 30 60 50 luminance ( cd/m 2 ) input current ( ma ) output voltage erms ( v ) input voltage ( v ) oscillating frequency ( khz ) 1v 2v rating 1.4v erms iin l f 0.5 1 1.5 2 2.5 3 3.5 4 4.5 1 2 3 4 70 10 20 40 30 60 50 luminance ( cd/m 2 ) input current ( ma ) output voltage erms ( v ) input voltage ( v ) oscillating frequency ( khz ) 2.4v 4.5v rating 3v iin l f erms 70 1 2 3 4 10 20 40 30 60 50 luminance ( cd/m 2 ) input current ( ma ) output voltage erms ( v ) 0.5 1 1.5 2 2.5 3 3.5 4 4.5 input voltage ( v ) oscillating frequency ( khz ) 2v 4.5v rating 3v iin l f erms 0.5 1 1.5 2 2.5 3 3.5 4 4.5 1 2 3 4 90 10 20 50 40 30 80 70 60 luminance ( cd/m 2 ) input current ( ma ) output voltage erms ( v ) input voltage ( v ) oscillating frequency ( khz ) 0.9v 1.6v rating 1.4v iin l f erms 70 0.5 1 1.5 2 2.5 3 3.5 4 4.5 1 2 3 4 10 20 40 30 60 50 luminance ( cd/m 2 ) input current ( ma ) output voltage erms ( v ) input voltage ( v ) oscillating frequency ( khz ) 1.4v 2.8v rating 2.1v l f erms iin a v c 2 c 1 rc 1 43 2 c 2 :10 m f rb: 30 w q: 2sc3265y c 1 :0.047 m f rc:1200 w oscillo- scope el panel rb
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