2.5 gb/s smqw pigtailed laser modules technical data features ? strained multi quantum well (smqw) fabry perot laser chip ? low threshold and operating current ? wide operating temperature range ? optical power up to 1 mw ? modulation capability up to 2.5 gb/s ? no tec required applications ? telecommunications ? fiber in the l oop ? inter/lntra office ? sonet/sdh ? data communications ? switches description the HFCT-3024 consists of an 8 pin dil package laser transmitter operating in the 1300 nm wavelength region and coupling light to single mode fiber. it is designed for use in short (<2 km) networks with bit rates up to 2.5 gb/s the product features a high reliability smqw fabry perot laser diode and rear facet monitor photodiode. environmental performance is designed to be compatible with the requirements of bellcores ta-nwt-000983 document. laser safety warning this device is a class iiia (3a) laser product. it may emit invisible laser radiation if operated with the fiber pigtail discon nected. to avoid possible eye damage do not look into an unconnected fiber pigtail during laser operation. do not exceed specified oper ating limits. HFCT-3024 smqw mini dil if the specific arrangement or performance you require is not listed, please contact your local representative, as our highly flexible design and manufacturing processes allow both physical and electro-optical customization to meet your needs. a reference transmitter design board hfct-3000 is available for evaluating the basic performance of the 8 pin dil package.
2 absolute maximum ratings absolute limiting (maximum) ratings mean that no catastrophic damage will occur if the product is subjected to these ratings fo r short periods, provided that each limiting parameter is in isolation and all other parameters have values within the performance specification . it should not be assumed that limiting values of more than one parameter can be applied to the product at the same time. performance specifications note: 1. power shown is standard product. other o/p powers are available, contact your local hp sales office for details. parameter symbol test condition limits unit min. max. laser forward current if dc 120 ma laser reverse voltage vlr dc 2 v photodiode reverse voltage vr dc 20 v photodiode forward current ipf dc 1 ma operating temperature (smqw) tc temperature measured at case -40 +85 c storage temperature ts -40 +85 c relative humidity rh noncondensing %rh fiber pull strength three times; 10 sec. 10 n mechanical shock mil-std-883e, method 2002, condition a 500 g vibration mil-std-883e, method 2007, condition a 20 g parameter symbol test condition smqw unit min. max. laser cw (peak), tc = over operating temperature range, po as noted below unless otherwise stated and -20 db orl rated optical power (1) po tc = over operating temperature range, cw 1 mw threshold current ith tc = +25c 3.5 10 ma threshold current ith over operating temperature range 1.5 30 ma coupled power in "off" state pth if = ith - 2 ma 0 10 w slope efficiency h tc = +25c 28 43 w/ma drive current above ith, for im = im (po, +25c) id tc = +25c 23 35 ma tc = over operating temperature range 10 60 ma forward voltage vf 3.6 v centre wavelength l tc = +25c 1290 1330 nm tc = over operating temperature range 1260 1360 nm wavelength/temperature coefficient dl/dt 0.45 nm/c spectral width s one sigma, rms 2.5 nm eye mask stm16/oc48 compliant
3 performance specifications (continued) fiber pigtail reliability other documentation smqw laser diode reliability datasheet publication number 5965-1293e hfct-3xxx application note 1169 publication number 5968-4808e characterization report available april, 1999 interim qualification report publication number 5968-3019e lst282x/lst292x/lst3821/lst3921 qualification report publication number 5965-8894e parameter minimum maximum unit fiber pigtail length 1000 mm spot size (mode radius) 4.5 5.5 m cladding diameter 122 128 m core/cladding concentricity 1 m secondary jacket diameter 0.8 1 mm effective cutoff wavelength 1150 1240 nm parameter condition minimum maximum unit median life 50% inc. in total drive current, tc = +25c 2 x 10^5 hours parameter symbol test condition smqw unit min. max. monitor photodiode tc = +25c vr = 5 v, po = rated power photocurrent im vr = 5 v 200 1000 a dark current id po = 0 w 20 na capacitance c 1 mhz 10 pf tracking error d r im = im (po, +25c) tc + -40c to +85c 1 db
4 p q n all dimensions shown 'nominal' c e d h f g m j k l pin 1 b a pin 1 ?=:k$*')+8 pppppp&qq HFCT-3024 specification - all dimensions in mm. note: these dimensions are subject to minor changes. HFCT-3024 dimension typical dimension typical dimension typical a 16.2 f 6.7 l 0.9 b 18.2 g 4.6 m 3.6 c 7.62 h 0.5 n 10.0 d 0.5 j 1000 p 0.25 e 2.75 k 5.3 q 7.62 8 7 6 5 1 2 3 4 pin function 1 not connected/reserved 2 case ground 3 not connected/reserved 4 photodiode cathode (-) 5 photodiode anode (+) 6 laser diode anode (+) 7 laser rf input cathode (-) 8 case ground
5 ordering information HFCT-3024axx connector: blank = no connector fp = fc/pc sc = sc st = st ? dn = din (4106.66) available options: HFCT-3024a HFCT-3024afp HFCT-3024asc HFCT-3024ast HFCT-3024adn st ? is a registered trademark of at&t
www.hp.com/go/fiber for technical assistance or the location of your nearest hewlett-packard sales office, distributor or representative call: americas/canada: 1-800-235-0312 or 408-654-8675 far east/australasia: call your local hp sales office. japan: (81 3) 3335-8152 europe: call your local hp sales office. data subject to change. copyright ? 1999 hewlett-packard co. 5968-4789e (4/99) ,19,6,%/(/$6(55$',$7,21 '212767$5(,172%($0259,(: ',5(&7/<:,7+237,&$/,167580(176 &/$66$/$6(5352'8&7 3hdn3rzhup: :dyhohqjwkqp ,(& if the drive current is limited to less than 90 ma then the product is class 1 (iec825-1) invisible laser radiation - avoid direct exposure to beam peak power 15 mw wavelength 1300 nm class iii a laser product laser warning danger cdrh certification hewlett-packard ltd. whitehouse road ipswich, suffolk ip1 5pb england manufactured: serial no: model no: this product conforms to the applicable requirements of 21 cfr 1040 at the date of manufacture.
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