DM03 KEL | Alldatasheet

Document overview

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Technical content

▶Conforms to JEDEC standards. ▶Easy insertion and withdrawal of Memory Module Board. ▶Metal latches are highly reliable. ▶TSOP DRAM or other components can be mounted be- neath DM03/04 series. DM03／04 SERIES SO-DIMM CONNECTOR DM0 -144 B -F

FEATURES

*Please order in multiples of the quantity per package. ①ʲTypeʳDM03： 4.0mm(0.157") for mounted heightɹDM04： 5.2mm(0.205") for mounted height ②ʲNumber of contactsʳ144： 144pin ③ʲContact platingʳB： Gold plating ④ʲKey typeʳ1： For 5.0Vɹ2： For 3.3V ⑤ʲRoHSʳ F： RoHS compliant ② ④ ⑤③① Material and plating Insulator material Glass-filled LCP(UL94V-0) Contact material Copper alloy Contact plating Gold over Nickel Retention clip material Copper alloy Retention clip plating Tin copper over Nickel

Electrical Characteristics

Current rating 0.5A per contact Contact resistance 50mΩ max. Dielectric withstanding voltage 250V AC for 1 minute Insulation resistance 500MΩ min. at 250V DC Operating temperature -55℃ to +85°C SPECIFICATIONS Recommended Memory Module Board Layout Finish for recommended contact pad Gold plating(0.76μm min.) over Nickel Plating(2μm min.) for 5.0V Type for 3.3V Type COMPONENT AREA FRONT COMPONENT AREA BACK 2.5±0.05 (0.098±0.002) 32.8±0.05 (0.913±0.002) 67.6(2.661) 63.6(2.504) 33.8(1.331) FULL R 67.6(2.661) 2(0.079)min 4.8(0.189) 29±0.05 (1.142±0.002) 2.55 (0.100) 0.25(0.010)max. 4(0.157) B C A 6±0.05 (0.236±0.002) 20±0.05 (0.787±0.002) 0.8±0.03 (0.031±0.001) 1±0.1 (0.039±0.004) 1.5±0.1 (0.059±0.004) 4±0.1 (0.157±0.004) TYPE B VOLTAGE KEY CENTER LINE 0.75(0.030) 25.4(1.000) TYPE B VOLTAGE KEY CENTER LINE 4±0.1 (0.157±0.004) 1.5±0.1 (0.059±0.004) 0.15 OPTIONAL HOLE φ2(φ0.079) 4(0.157)min. 3.2(0.126) 3.8(0.150)max.3(0.118) PATTERN PROHIBITION AREA Unit：mm(inch) "A"detail "B"detail "C"detail

Unit：mm(inch)DM0˘-144B˘-F Printed Circuit Board Layout (Compornent Side View) Product Table Packaging style Tray No. of contacts Part Number Number of packaging

144 DM03-144B˘-F 20

144 DM04-144B˘-F 20

X-X' Cross Section φ0.85 31.5(1.240) 69.6(2.740) 4.8(0.189) 4.6(0.181) 2.5(0.098) A 2.1(0.083) 4.6(0.181) 23.2(0.913) 3(0.118) 70.6(2.780) Ref.1.5 (0.059) 32.8(1.291) Lot No. DM03 DM03 DM04 4(0.157) 0.7(0.028) 5.2(0.205) 0.7(0.028) 4.8 (0.189) 29.1(1.146) 16.1(0.634) 4.8 (0.189) 29.1(1.146) 16.1(0.634) X 63(2.480) 1.7(0.067) 0.5(0.020) 3.3V VOLTAGE KEY CENTER LINE 3.3V VOLTAGE KEY CENTER LINE DM04 X X 63(2.480) 0.5(0.020) 1.7(0.067) 3.3V VOLTAGE KEY CENTER LINE DM0 □-144B1-F DM0□-144B2-F 0.25 (0.010) DM03 DM04 Ref.25 Ref.25 Ref 2.1(0.083) Ref3.3(0.130) 0.75 (0.030) 0.75 (0.030) 4.5 (0.177) 4.5 (0.177) 0.75 (0.030) 0.75 (0.030) 4.5 (0.177) 4.5 (0.177) 23.2±0.03 (0.913±0.001) 4.6±0.1 (0.181±0.004) 32.8±0.03 (1.291±0.001) 0.8±0.03 (0.031±0.001) 23.2±0.03 (0.055±0.002) 4.5±0.1 (0.177±0.004) 1±0.05 (0.039±0.002) 31.5(1.240) 2.5(0.098) 2.1(0.083) 4.8(0.189) 4.6±0.03 Ref 29.4(1.157) 16.1(0.634) 1.2(0.047) φ1.1±0.05 (φ0.043±0.002) φ1.6±0.05 (φ0.063±0.002) "A"detail