HZ-LL Series Silicon Epitaxial Planar Zener Diodes for Hard Knee Low Noise Features * Vz-Iz characteristics are semilogarithmic linear from I7z=1nA to ImA and have sharper breakdown knees in a low current region, and also lower V7 temperature coefficients . Low dynamic impedance and low noise in the low current region (approximately 1/10 lower than the current zeners). Ordering Information Outline \ Body color is Verdure Type No. Cathode band Type No. Mark Package Code 1. Cathode HZ-LL Series Type No. DO-35 2. Anode Absolute Maximum Ratings (Ta = 25C) item Symbol Value Unit Power dissipation Py 250 mW Junction temperature Tj 175 i Storage temperature Tstg -55 to +175 C Electrical Characteristics (Ta = 25C) *** V2, ** AN 29 Vz(V)" In (NA) Zzr (Q) ZzK** (kQ) (Vv) (V) lz Ve Izr lx Type Grade Min Max (mA) Max (V) Max (mA) Typ (A) Max Max HZ2LL A 1.6 2.0 0.5 100) (0.5 350 0.5 (1.2) 50 0.5 0.6 B 19 23 Cc 22 2.6 HZ3LL A 25 29 0.5 100 = 1.0 360 0.5 (1.2) 50 0.5 0.6 B 28 3.2 Cc 3.1 3.5 153 HZ-LL Series *AV2, *** AV 70 Vz(Vv)* In (NA) Zzz (2) 22x" (kQ) (V) () iz VR Izy lax Type Grade Min Max (mA) Max (V) Max (mA) Typ (uA) Max Max HZ4LL A 34 38 O85 100 2.0 370 0.5 (1.5) 50 0.5 0.6 B 3.7 4d Cc 40 44 HZ5LL A 43 47 O58 100 3.0 380 0.5 (1.5) 50 0.5 0.6 B 46 5.0 Cc 49 53 " Tasted with OC. ** Reference only *** AZ, = Vz (Iz = 0.5 mA) Vz, (lz = 0.05 mA) *** AV70 = Vz, (Iz = 0.05 mA) Vz (Iz = 0.001 mA) Note: Type No. is as follows; HZ2ALL, HZ2BLL, HZ5CLL. 10 10 _ , a A Zener Current tz (A) a , 10 10 0 1 2 3 4 5 6 Zener Voltage Vz (V) Fig.1 Zener current Vs. Zener voltage & b Temperature Coefficient Yz (%/C) b 2 Zener Voltage & 2 8 2 3 4 5 Zener Voltage Vz (V)} Fig.2 Temperature Coefficient Vs. Zener voltage S in Oo a Temperature Coefficient yz (mV/C) in Zener Volt 2.0 154 HZ-LL Series Power Dissipation Pa (mW) 250 200 s an Oo _ Q Oo n OQ \ Printed circuit board 1001801 .6t mm \ Quality: paper phenol \ \ \ 50 100 150 Ambient Temperature Ta (C) Fig.3 Power Dissipation Vs. Ambient Temperature 200 155