hzk-ll series silicon epitaxial planar zener diodes for hard knee low noise ade-208-128a (z) rev. 1 jun. 1994 features low dynamic impedance and low noise in the low current region (approximately 1/10 lower than the current zeners). lld package is suitable for high density surface mounting and high speed assembly. ordering information type no. mark package code hzk-ll series color code lld outline 1. cathode 2. anode 12 cathode band 3rd. band 2nd. band 12 cathode band 3rd. band 2nd. band absolute maximum ratings (ta = 25c) item symbol value unit power dissipation pd 250 mw junction temperature tj 175 c storage temperature tstg C55 to +175 c
hzk-ll series 2 electrical characteristics (ta = 25c) v z (v)* 1 i r (na) z zt (?) z zk * 2 (k?) * 3 d d v z1 (v) * 4 d d v z2 (v) type grade min max i z (ma) max v r (v) max i zt (ma) typ i zk (a) max max hzk2ll a 1.6 2.0 0.5 100 0.5 350 0.5 (1.2) 50 0.5 0.6 b 1.9 2.3 c 2.2 2.6 hzk3ll a 2.5 2.9 0.5 100 1.0 360 0.5 (1.2) 50 0.5 0.6 b 2.8 3.2 c 3.1 3.5 hzk4ll a 3.4 3.8 0.5 100 2.0 370 0.5 (1.5) 50 0.5 0.6 b 3.7 4.1 c 4.0 4.4 hzk5ll a 4.3 4.7 0.5 100 3.0 380 0.5 (1.5) 50 0.5 0.6 b 4.6 5.0 c 4.9 5.3 notes: 1. tested with dc. 2. reference only 3. d v z1 = v z (i z = 0.5ma) C v z1 (i z = 0.05ma) 4. d v z2 = v z1 (i z = 0.05ma) C v z2 (i z = 0.001ma) type no. is as follows; hzk2all, hzk2bll, ??? hzk5cll. mark color code type cathode band second band third band hzk2all verdure yellow ocher pink hzk2bll verdure yellow ocher blue hzk2cll verdure yellow ocher light blue hzk3all verdure pink pink hzk3bll verdure pink blue HZK3CLL verdure pink light blue hzk4all verdure orange pink hzk4bll verdure orange blue hzk4cll verdure orange light blue hzk5all verdure yellow pink hzk5bll verdure yellow blue hzk5cll verdure yellow light blue
hzk-ll series 3 10 012 34 5 6 7 8 zener voltage v (v) z zener current i (a) z
hzk2ll hzk3ll hzk4ll hzk5ll ? 10 ? 10 ? 10 ? 10 ? 10 ? 10 ? fig.1 zener current vs. zener voltage 1 2 3 4 5 6 zener voltage v (v) zener voltage temperature coefficient (%/ c) z g 0.5 1.0 1.5 ?.02 ?.03 ?.04 zener voltage temperature coefficient (mv/ c) z g z ?.01 ?.05 0 2.0 %/ c mv/ c fig.2 temperature coefficient vs. zener voltage
hzk-ll series 4 250 200 150 100 50 200 150 100 50 0 ambient temperature ta ( c) power dissipation p (mw) d 0 2.5mm 3mm printed circuit board 15 20 1.6t mm material: glass epoxy fig.3 power dissipation vs. ambient temperature package dimensions (0.35typ) 1.35 0.1 f 3.5 +0.1 ?.2 12 cathode band 3rd. band 2nd. band ( ) : reference only (0.35typ) 1.35 0.1 f 3.5 +0.1 ?.2 12 cathode band 3rd. band 2nd. band hitachi code jedec code eiaj code weight (g) lld 0.027 1 2 cathode anode unit: mm
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