BZT52 Series
Vishay Semiconductors
for merly General Semiconductor
www.vishay.com Document Number 88314
226-Apr-02
Electrical Characteristics(TA= 25°C unless otherwise noted)
Dynamic Resistance Temp. Coeff. Reverse Admissible Zener current(4)
y = C for ± 5% at IZ= 5mA at IZ= 1mA
of Zener Voltage
Voltage at at
y = B for ± 2% Marking f = 1 kHz f = 1kHz at IZ= 5mA at IR= 100nA Tamb = 45°C Tamb = 25°C
Type Code rZj (Ω)r
Zj (Ω)αVZ (10–4/°C) VR(V) IZ(mA) IZ(mA)
BZT52-y2V4 W1 85 600 – 9 … – 4 –– –
BZT52-y2V7 W2 75 (< 83) < 500 – 9 … – 4 –113 134
BZT52-y3 W3 80 (< 95) < 500 – 9 … – 3 –98 118
BZT52-y3V3 W4 80 (< 95) < 500 – 8 … – 3 –92 109W5
BZT52-y3V6 W5 80 (< 95) < 500 – 8 … – 3 –85 100
BZT52-y3V9 W6 80 (< 95) < 500 – 7 … – 3 –77 92
BZT52-y4V3 W7 80 (< 95) < 500 – 6 … – 1 –71 84
BZT52-y4V7 W8 70 (< 78) < 500 – 5 … +2 –64 76
BZT52-y5V1 W9 30 (< 60) < 480 – 3 … +4 > 0.8 56 67
BZT52-y5V6 WA 10 (< 40) < 400 – 2 … +6 > 1 50 59
BZT52-y6V2 WB 4.8 (< 10) < 200 – 1 … +7 > 2 45 54
BZT52-y6V8 WC 4.5 (< 8) < 150 +2 … +7 > 3 41 49
BZT52-y7V5 WD 4 (< 7) < 50 +3 … +7 > 5 37 44
BZT52-y8V2 WE 4.5 (< 7) < 50 +4 … +7 > 6 34 40
BZT52-y9V1 WF 4.8 (< 10) < 50 +5 … +8 > 7 30 36
BZT52-y10 WG 5.2 (< 15) < 70 +5 … +8 > 7.5 28 33
BZT52-y11 WH 6 (< 20) < 70 +5 … +9 > 8.5 25 30
BZT52-y12 WI 7 (< 20) < 90 +6 … +9 > 9 23 28
BZT52-y13 WK 9 (< 25) < 110 +7 … +9 > 10 21 25
BZT52-y15 WL 11 (< 30) < 110 +7 … +9 > 11 19 23
BZT52-y16 WM 13 (< 40) < 170 +8 … +9.5 > 12 17 20
BZT52-y18 WN 18 (< 50) < 170 +8 … +9.5 > 14 15 18
BZT52-y20 WO 20 (< 50) < 220 +8 … +10 > 15 14 17
BZT52-y22 WP 25 (< 55) < 220 +8 … +10 > 17 13 16
BZT52-y24 WR 28 (< 80) < 220 +8 … +10 > 18 11 13
BZT52-y27 WS 30 (< 80) < 250 +8 … +10 > 20 10 12
BZT52-y30 WT 35 (< 80) < 250 +8 … +10 > 22.5 9 10
BZT52-y33 WU 40 (< 80) < 250 +8 … +10 > 25 8 9
BZT52-y36 WW 40 (< 90) < 250 +8 … +10 > 27 8 9
BZT52-y39 WX 50 (< 90) < 300 +10 … +12 > 29 7 8
BZT52-y43 WY 60 (< 100) < 700 +10 … +12 > 32 6 7
BZT52-y47 WZ 70 (< 100) < 750 +10 … +12 > 35 5 6
BZT52-y51 X1 70 (< 100) < 750 +10 … +12 > 38 5 6
BZT52-y56 X2 < 135(2) < 1000(3) typ. +10(2) –– –
BZT52-y62 X3 < 150(2) < 1000(3) typ. +10(2) –– –
BZT52-y68 X4 < 200(2) < 1000(3) typ. +10(2) –– –
BZT52-y75 X5 < 250(2) < 1500(3) typ. +10(2) –– –
Notes: (1) Tested with pulses tp= 5 ms
(2) at IZ= 2.5 mA
(3) at IZ= 0.5 mA
(4) Valid provided that electrodes are kept at ambient temperature