Product Class : Fixed Resistor·SMT Resistor
★Standard:
GB/T9546(IEC115-8) Fixed chip resistors
★Main Specification Type | Rated power at 70℃
(W) | Operation voltage max
(V) | Over-load voltage max
(V) | Resistance Tolerance
±(%) | Resistance
(Ω) | Nominal resistance series | Regular | Rise power(S) | (min) | (max) | RI1005(S) (RI0402) | 0.031 | 0.063 | 50 | 100 | 5、2、1 | 10 | 1M | E24 | RI1608(S) (RI0603) | 0.063 | 0.1 | 50 | 100 | 5、2、1 | 1 | 10M | E24 | RI2125(S) (RI0805) | 0.1 | 0.125 | 150 | 200 | 5、2、1 | 1 | 10M | E24 | RI3216(S) (RI1206) | 0.125 | 0.25 | 200 | 400 | 5、2、1 | 1 | 10M | E24 | RI3225(S) (RI1210) | 0.25 | 0.5 | 200 | 400 | 5、2、1 | 1 | 10M | E24 | RI5025(S) (RI2010) | 0.5 | 1 | 200 | 400 | 5、2、1 | 1 | 10M | E24 | RI6332(S) (RI2512) | 1 | 1.5 | 200 | 400 | 5、2、1 | 1 | 10M | E24 |
★Main lnspection ltems, methods & requirements Ltems | Requirement | Method | Chip resistors | 0Ω | Dc resistance | nominal resistance value of resistance tolerance | 50mΩmax | By the 4.5 clause | TCR | ±250×10-6/℃±500×10-6/℃ | ─── | By the 4.8 clause | Short-time over load | ±(1%R+0.05Ω) | 50mΩmax | 2.5times RCWV or 2 times max RCWV ,whichever;2 seconds | Terminal strength | ±(1%R+0.05Ω) | 50mΩmax | By the 4.33 clause | Resistance to soldering heat | ±(1%R+0.05Ω) | 50mΩmax | 260℃:10S | Thermal shock | ±(1%R+0.05Ω) | 50mΩmax | -55℃～+125℃5cycles | Steady damp-heat | ±(5%R+0.1Ω) | 50mΩmax | By the 4.24 clause | Climate category | ±(5%R+0.1Ω) | 50mΩmax | By the 4.23 clause | Endurance under rated | ±(5%R+0.1Ω) | 50mΩmax | 70℃ RV，1000h | Solderability | Coverage area of new soldering material≥90% | 235℃ 2S |
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