1 www.johansondielectrics.com 1 www.johansondielectrics.com t ip & r ing c hip c apacitors c apacitance s election -1812-2225 s ize k ey f eatures blocks off-hook dc voltage passes ac ring signal 250 vdc & 300 vdc ratings for telecom interface choice of smd chip sizes low esr versus frequency stable temperature performance (x7r) the tip & ring mlcc series are designed specifically for telecom ringer circuit applications where it is necessary to provide a block of the line voltage (typically -48 vdc) while passing the ac ringing voltage. these compact ceramic smd chips replace bulky leaded film caps saving board space and stream-lining the assembly process. please contact the factory for capacitance, voltage, case size combinations not shown. .047 f .056 f .068 f .082 f 0.10 f 0.12 f 0.15 f 0.18 f 0.22 f 0.27 f 0.33 f 0.39 f 0.47 f 0.56 f 0.68 f 0.82 f 1.00 f 1.20 f 1.50 f inches (mm) .175 .010 (4.45 .25) .125 .010 (3.17 .25) .085 max. (2.16) .025 .015 (0.64.38) l w t e/b 250 vdc 300 vdc 250 vdc 300 vdc 250 vdc 300 vdc 250 vdc 300 vdc inches (mm) .225 .010 (5.72 .25) .250 .010 (6.35 .25) .110 max. (2.80) .025 .015 (0.64.38) l w t e/b inches (mm) .225 .010 (5.72 .25) .200 .010 (5.08 .25) .110 max. (2.80) .025 .015 (0.64.38) l w t e/b inches (mm) .180 .010 (4.57 .25) .250 .010 (6.35 .25) .110 max. (2.80) .025 .015 (0.64.38) l w t e/b s43 / 1812 s47 / 2220 s49 / 1825 s48 / 2225 dielectric x7r z5u
2 www.johansondielectrics.com t ip & r ing c hip c apacitors h ow to o rder t ip & r ing p/n written: 251s43z474mv4e marking 4 = unmarked 6 = eia ?j? code* tape modifier code ty p e reel e plastic 7? u plastic 13? tape specifications conform to eia rs481 e 4 termination v = ni barrier w/ 100% sn plating v dielectric w = x7r z = z5u z case size see chart s43 voltage 251 = 250 v 301 = 300 v 251 capacitance 1st two digits are significant; third digit denotes number of zeros. 474 = 0.47 f 105 = 1.00 f 474 tolerance k = 10% m = 20% z = +80% -20% m c apacitance s election - 0805-1808 s ize please contact the factory for capacitance, voltage, case size combinations not shown. 1000 pf 1200 pf 1500 pf 1800 pf 2200 pf 2700 pf 3300 pf 3900 pf 4700 pf 5600 pf 8200 pf .010 f .012 f .015 f .018 f .022 f .027 f .033 f .039 f .047 f .056 f .068 f .082 f 0.10 f 0.22 f 0.27 f 250 vdc 300 vdc 250 vdc 300 vdc 250 vdc 300 vdc 250 vdc 300 vdc inches (mm) .080 .010 (2.03 .25) .050 .010 (1.27 .25) .050 max. (1.27) .020 .010 (0.51.25) l w t e/b inches (mm) .180 .010 (4.57 .25) .080 .010 (2.41 .25) .065 max. (1.65) .020 .010 (0.51.25) l w t e/b inches (mm) .125 .010 (3.18 .25) .095 .010 (2.41 .25) .065 max. (1.65) .020 .010 (0.51.25) l w t e/b inches (mm) .125 .010 (3.17 .25) .062 .010 (1.57 .25) .055 max. (1.40) .020 .010 (0.51.25) l w t e/b r15 / 0805 r18 / 1206 r29 / 1808 s41 / 1210 dielectric x7r
3 www.johansondielectrics.com x7r d ielectric c haracteristics x7r c ap . vs t emperature temperature coefficient: 15%, -55 to +125c dissipation factor: for 50 volts: 2.5% max for 25 volts: 3.0% max for 16 volts: 3.5% max aging: 2.5% / decade hour insulation resistance: 1000 ? f or 100 g ? , whichever is less @ 25c, wvdc (500 ? f or 10 g ? for tanceram ? capacitors) 125c ir is 10% of 25c rating. dielectric strength: 2.5 x rated voltages of 6 to 200 vdc 2.0 x rated voltages of 201 to 499 vdc 1.5 x rated voltages of 500 to 999 vdc 1.2 x rated voltages of 1000 vdc or higher. test parameters: 1khz 50hz, 1.00.2 vrms, 25c -55 c -25 c0 c25 c50 c75 c 100 c 125 c -80% -60% -40% -20% 0% 20% z5u d ielectric c haracteristics z5u c ap . vs t emperature -55 c -25 c0 c25 c50 c75 c 100 c 125 c -80% -60% -40% -20% 0% 20% temperature coefficient: + 22% - 56% , +10 to +85c dissipation factor: for 25 volts: 4.0% max for 16 volts: 5.0% max aging: 5% / decade hour insulation resistance: 100 ? f or 10 g ? , whichever is less @ 25c,wvdc; dielectric strength: 2.5 x rated voltages of 6 to 200 vdc 2.0 x rated voltages of 201 to 499 vdc test parameters: 1khz 50hz, 0.50.2 vrms, 25c t ip & r ing c hip c apacitors johanson dielectrics, inc. reserves the right to make design and price changes without notice. all sales are subject to the terms and conditions printed on the back side of our sales order acknowledgment forms, including a limited warranty and remedies for non-conforming goods or defective goods. we will be pleased to provide a copy of these terms and conditions for your review.
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