chip antenna page 1 of 4 r ca - 1204 - a - tr r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n .w . 3 3 rd s t r e e t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . telephone: 305 - 593 - 6033 ? fax: 305 - 594 - 3973 ? e - mail: sales@raltron.com ? web: http://www.raltron.com ? electrical specification ? mechanical specification unit: mm l w t a b dimension 12.0 0.2 5 4.0 0. 25 1.50 0.1 5 0. 85 0.1 5 0.15 0.10 specifications specifications unit frequency range 428 ~ 437 mhz gain , typical - 3.3 dbi vswr (max) 3 .0 -- impedance 50 ? polarization linear -- operating temperature - 40 ~ 125 c feed termination solder termination
chip antenna page 2 of 4 r ca - 1204 - a - tr r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n .w . 3 3 rd s t r e e t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . telephone: 305 - 593 - 6033 ? fax: 305 - 594 - 3973 ? e - mail: sales@raltron.com ? web: http://www.raltron.com return loss radiation pattern s theta
chip antenna page 3 of 4 r ca - 1204 - a - tr r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n .w . 3 3 rd s t r e e t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . telephone: 305 - 593 - 6033 ? fax: 305 - 594 - 3973 ? e - mail: sales@raltron.com ? web: http://www.raltron.com phi total
chip antenna page 4 of 4 r ca - 1204 - a - tr r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n .w . 3 3 rd s t r e e t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . telephone: 305 - 593 - 6033 ? fax: 305 - 594 - 3973 ? e - mail: sales@raltron.com ? web: http://www.raltron.com reflow profile reflow profile temperature min preheat t smin 150c temperature max preheat t smax 200c time (t smin to t smax ) t s 60 - 180 sec. temperature t l 217c peak temperature t p 2 5 0c ramp - up rate r up 3c/sec max. ramp - down rate r down 6c/sec max. time within 5c of peak temperature t p 10 sec. time t[25c] to peak temperature t[25c] to peak 480 sec. time t l 60 - 150 sec. ? environmental parameter value m oisture s ensitivity level 1 rohs 2 6/6 compliant & lead free reach - svhc compliant halogen - free compliant terminat i on finish au may, 2016 temp. [c] time [sec] t p t l t smax t smin ramp - up ramp - down critical zone t l to t p t[25c] to peak t s preheat t l t p
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