BZT52

Part: BZT52-B2V4 to BZT52-C75 — Nexperia B.V.

Type: General-purpose Zener Diode

Description: General-purpose Zener diodes in an SOD123 package, offering a wide working voltage range from 2.4 V to 75 V with ±2 % and approximately ±5 % tolerance series, and a total power dissipation up to 590 mW.

Operating Conditions:

• Working voltage range: nominal 2.4 V to 75 V
• Ambient temperature: -55 to +150 °C
• Junction temperature: up to 150 °C

Absolute Maximum Ratings:

• Max forward current: 250 mA
• Max total power dissipation: 590 mW (T amb ≤ 25 °C, mounting pad for cathode 1 cm²)
• Max junction/storage temperature: 150 °C

Key Specs:

• Forward voltage (V F): 0.9 V (I F = 10 mA)
• Total power dissipation (P tot): 350 mW (T amb ≤ 25 °C, standard footprint)
• Working voltage (V Z): 2.2 V to 79.0 V (depending on variant and tolerance, at I Z = 5 mA or 2 mA)
• Reverse current (I R): 0.05 μA to 85 μA (depending on variant and V R)
• Diode capacitance (C d): 35 pF to 450 pF (f = 1 MHz; V R = 0 V)
• Non-repetitive peak reverse power dissipation (P ZSM): 40 W
• Non-repetitive peak reverse current (I ZSM): 0.20 A to 6.0 A (t p = 100 μs; T amb = 25 °C)

Features:

• Total power dissipation: ≤ 590 mW
• Two tolerance series: ±2 % and approximately ±5 %
• Wide working voltage range: nominal 2.4 V to 75 V (E24 range)
• Small plastic package suitable for surface-mounted design
• Low differential resistance

Applications:

• General regulation functions

Package:

• SOD123 (plastic surface-mounted package; 2 leads)

• Total power dissipation: ≤ 590 mW
• Two tolerance series: ±2 % and approximately ±5 %
• Wide working voltage range: nominal 2.4 V to 75 V (E24 range)
• Small plastic package suitable for surface-mounted design
• Low differential resistance

Voltage regulator diodes

Fig. 11. Package outline SOD123

Fig. 10. Reverse current as a function of reverse voltage; typical values (BZT52-B/C27 to -B/C75)