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Fairchild Bav99 Data Handbook

Summary

This comprehensive datasheet for the BAV99 small signal diode provides critical technical specifications for reliable circuit design. It details operational parameters, including absolute maximum electrical ratings, thermal coefficients, and detailed performance curves for forward voltage, reverse current, and power dissipation. This manual is essential for electronics engineers and designers who need precise performance data to integrate the diode safely and efficiently into various low-power electronic systems.

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BAV99

Connection Diagram

SOT-23

Small Signal Diode Absolute Maximum Ratings* TA = 25°C unless otherwise noted Symbol Parameter Value Units VRRM Maximum Repetitive Reverse Voltage 70 V IF(AV) Average Rectified Forward Current 200 m A IFSM Non-repetitive Peak Forward Surge Current

Pulse width = 1.0 second 1.0 Pulse width = 1.0 microsecond 2.0

Tstg Storage Temperature Range -55 to +150 °C TJ Operating Junction Temperature 150 °C

*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. NOTES: 1) These ratings are based on a maximum junction temperature of 150 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.

Thermal Characteristics Symbol Parameter Value Units PD Power Dissipation 350 m W RθJA Thermal Resistance, Junction to Ambient 357 °C/W

Electrical Characteristics TA = 25°C unless otherwise noted Symbol Parameter Test Conditions Min Max Units VR Breakdown Voltage IR = 100 µA 70 V

VF Forward Voltage IF = 1.0 m A m V IF = 10 m A m V

IF = 50 m A 1.0 IF = 150 m A 1.25

IR Reverse Current VR = 70 V 2.5 µA

VR = 25 V, TA = 150°C µA VR = 70 V, TA = 150°C µA

CT Total Capacitance VR = 0, f = 1.0 MHz 1.5 p F

trr Reverse Recovery Time IF = IR = 10 m A, IRR = 1.0 m A, 6.0 ns

RL = 100Ω

2001 Fairchild Semiconductor Corporation BAV99, Rev. B

Page Summary Contents For Fairchild Bav99 Data Handbook

Page 1 BAV99 Connection Diagram SOT-23 Small Signal Diode Absolute Maximum Ratings* TA = 25°C unless otherwise noted Symbol Parameter Value Units VRRM Maximum Repetitive Reverse Voltage 70 V IF(AV) Average R...
Page 2 Small Signal Diode (continued) Fo rw ar ol ta ge , V Fo rw ar ol ta ge , V [m ev er se ol ta ge , V [V Typical Characteristics Ta= 25 C Ta= 25 C Reverse Current, IR [u A] Reverse Voltage, VR [V] Figur...
Page 3 Small Signal Diode (continued) ev er se ec ov er Ti [n Typical Characteristics (continued) 4.0 Ta= 25 C ow er is si pa tio n, [m 2.5 F(AV) - AVERAGE RECTIFIED CURRENT - m A Ambient Temperature, TA [ o...
Page 4 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ FAST...

Manual Details

Brand Fairchild
Pages 4
File Size 47.46 KB
Published July 07, 2026
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Frequently Asked Questions

What is the maximum allowable repetitive reverse voltage (RRMV)?

The absolute maximum rating for RRMV is 70 V.

How does power dissipation change with ambient temperature?

Power derating occurs; at 25°C, P can reach 350 mW, but this value decreases as the ambient temperature rises (Figure 9).

What are the typical forward voltage ratings (VF)?

At 1.0 mA, the characteristic forward voltage is 715 mV.

What should be considered when using the device for pulsed operations?

Steady state limits apply; factory consultation is advised for applications involving pulsed or low duty cycle operations.