VishayUnited States

1N4745A

DO-41

Vishay 1N4745A is a DO-41 package silicon planar power Zener diode with a nominal Zener voltage of 16 V and a maximum power dissipation of 1300 mW, suitable for high-power voltage stabilization and clipping circuits, compliant with RoHS and halogen-free requirements.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

18 items

Parameter	Value and test conditions	Source
Package	DO-41 (DO-204AL)
Operating Temperature	Junction temperature: 175 °C; Storage temperature range: -65 to +175 °C
RoHS	COMPLIANT
Halogen Free	FREE
Zener Voltage	16 V (NOM.) at I_ZT1 = 15.5 mA, T_amb = 25 °C
Test Current	I_ZT1 = 15.5 mA, I_ZT2 = 0.25 mA
Reverse Leakage Current	5 μA (MAX.) at V_R = 12.2 V
Dynamic Resistance	Z_ZT = 16 Ω (TYP.) at I_ZT1 = 15.5 mA, f = 1 kHz
Surge Current	I_ZM = 285 mA (MAX.)
Regulator Current	57 mA (MAX.)
Power Dissipation	1300 mW (Max.) at T_amb = 25 °C, t_p = 10 ms
Thermal Resistance	R_thJA = 110 K/W (Max.)
Forward Voltage	1.2 V (Max.) at I_F = 200 mA
Zener Voltage Tolerance	± 5 %
Package Weight	approx. 310 mg
Flammability Rating	UL 94 V-0
Moisture Sensitivity Level	MSL level 1 (according J-STD-020)
Soldering Conditions	Peak temperature max. 260 °C

All parameters (10)ExpandCollapse

Power
IR-最大反向漏电流	5uA
反向电流	5uA
工作电流	15.5mA
稳压电压容差	5V
额定稳压电压值	16V
AC and DC characteristics
最大动态阻抗	16Ω
Environment and package
封装类型1	DO41
Other
Pd-功率耗散	1300mW
引脚数量1	2
最大耗散功率	1000mW

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DatasheetDatasheet · 87.6 KB · 2026-11-04

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