UDZS

UDZS Series Diodes Zener diode UDZS Series !Applications Constant voltage control !External dimensions (Units : mm) CATHODE MARK 2.5±0.2 !Features 1) Compact, 2-pin mini-mold type for high-density mounting. (UMD2) 2) Non-wire bonding structure improves. 3) High demand voltage range (5.1V-10V) is manufactured on high-efficient non-wire bonding production line. 1.7±0.1 0.3±0.05 1.25±0.1 +0.2 −0.1 0.1 +0.1 −0.05 (All leads have the same dimensions.) 0.7 * Type No. stamped on body in digital marking. ROHM : UMD2 EIAJ : SC-76 JEDEC : SOD-323 !Construction Silicon epitaxial planar !Absolute maximum ratings (Ta = 25°C) Parameter Power dissipation Junction temperature Storage temperature Operating temperature Symbol P Tj Tstg Topr Limits 200 150 −55~+150 −55~+150 Unit mW °C °C °C !Markings (Type No.) Product name UDZS 5.1B UDZS 5.6B UDZS 6.2B UDZS 6.8B (Ex.) UDZS 5.1B A 2 Type No. A C E F 2 2 2 2 Product name UDZS 7.5B UDZS 8.2B UDZS 9.1B UDZS 10B Type No. H J L 0 2 2 2 5 UDZS Series Diodes !Electrical characteristics (Ta = 25°C) Zener voltage Type Min. UDZS 5.1B UDZS 5.6B UDZS 6.2B UDZS 6.8B UDZS 7.5B UDZS 8.2B UDZS 9.1B UDZS 10B 4.980 5.490 6.060 6.650 7.280 8.020 8.850 9.770 VZ (V) Max. 5.200 5.730 6.330 6.930 7.600 8.360 9.230 10.210 IZ (mA) 5 5 5 5 5 5 5 5 Operating resistance Rising operating resistance ZZ (Ω) Max. 80 60 60 40 30 30 30 30 IZ (mA) 5 5 5 5 5 5 5 5 ZZk (Ω) Max. 500 200 100 60 60 60 60 60 IZ (mA) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Reverse current IR (µA) Max. 2 1 1 0.5 0.5 0.5 0.5 0.1 VR (V) 1.5 2.5 3.0 3.5 4.0 5.0 6.0 7.0 Notes) 1. The Zener voltage (Vz) is measured 40ms after power is supplied. 2. The operating resistances (Zz, Zzk) are measured by superimposing a minute alternating current on the regulated current (Iz). !Electrical characteristic curves (Ta = 25°C) 100m 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 TEMP. COEFFICIENT CHARACTERISTICS (% / ˚C) 300 POWER DISSIPATION : Pd (mW) 0.10 Iz=5mA 10m 0.08 0.06 0.04 0.02 0.00 −0.02 −0.04 −0.06 −0.08 2 10 20 Iz=500µA ZENER CURRENT : IZ (A) 1m 100µ 10µ 1µ 100n 10n 0 5 10 15 ZENER VOLTAGE : VZ (V) 200 30 100 ZENER VOLTAGE : Vz (V) 0 0 25 50 100 150 AMBIENT TEMPERATURE : Ta (°C) Fig.1 Zener voltage characteristics Fig.2 Derating curve Fig.3 Zener voltage-temp. coefficient characteristics ∗UDZS series : VZ = 5.1V~10V