Details

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BUY 1N751A https://www.utsource.net/itm/p/12608724.html

Parameter	Value	Unit
Type	Zener Diode
Zener Voltage (Vz)	5.1	V
Zener Tolerance	卤5%	%
Maximum Zener Current (Izmax)	200	mA
Test Current (Izt)	5	mA
Power Dissipation (Pd)	500	mW
Operating Temperature Range (Tamb)	-65 to +150	掳C
Storage Temperature Range (Tstg)	-65 to +150	掳C
Capacitance (Cj0)	4	pF
Reverse Current (Ir) at 5V, 25掳C	100	nA
Forward Voltage (Vf) at 1mA, 25掳C	1.0	V
Package Type	DO-35 (SOD-323)

Instructions for Use:

1. Mounting:

   • Ensure that the diode is mounted in a way that allows for proper heat dissipation if operating near maximum power.
   • Follow standard PCB mounting guidelines to avoid mechanical stress on the leads.

2. Biasing:

   • The diode should be reverse-biased to operate in the Zener region.
   • Apply the test current (Izt) or a current within the specified range to achieve the desired Zener voltage.

3. Temperature Considerations:

   • Operate the diode within the specified temperature range to ensure reliable performance.
   • Be aware that the Zener voltage can vary with temperature; refer to the datasheet for temperature coefficients if precise regulation is required.

4. Current Limiting:

   • Use a series resistor to limit the current through the diode to prevent damage from excessive current.
   • Calculate the resistor value based on the supply voltage, Zener voltage, and desired operating current.

5. Storage:

   • Store the diode in a dry environment within the specified storage temperature range to prevent degradation.

6. Handling:

   • Handle the diode with care to avoid damage to the leads and body.
   • Use appropriate ESD protection when handling to prevent damage from static electricity.

(For reference only)