Small Signal Switching Diodes

A ‌Small Signal Switching Diode‌ is a semiconductor device engineered for ‌low-voltage, low-current logic circuits‌. Its core functions include high-speed switching (nanosecond-level) of weak signals (typically ≤100 mA) and rectification. By ‌minimizing junction area‌, it achieves ultra-low capacitance (pF-level) and extremely short reverse recovery times (as low as 6 ns), making it ideal for precision digital circuits or high-frequency signal processing.

Comparison vs. Rectifier Diodes‌:

‌Characteristic

‌Small Signal Switching Diodes

‌Rectifier Diodes

‌Operating Current

0.15–0.5 A

≥0.5 A

‌Voltage Rating

80–200 V

200–1000 V

‌Reverse Recovery Time

<6 ns (e.g., BAV99)

>100 ns

‌Primary Application

Logic switching, signal detection

AC/DC conversion

 

Part Number

Package

VBR(V)

IF(mA)

VF(V)

@IF(mA)

IRM(μA)

@VR(V)

Trr(ns)

DO-35
100
150
1
10
1
75
4
LL-34
100
150
1
10
1
75
4
SOD-123
100
150
1
10
1
75
4
SOD-323
75
150
1
10
1
75
4
SOD-323
80
150
1.2
100
0.1
80
80
SOD-523
100
150
0.85
10
1
75
4
SOD-123
100
250
1
100
0.2
75
4
SOD-323
75
250
0.72
5
0.2
75
4
SOD-523
75
250
1.25
150
2.5
75
4
SOD-323
80
150
1.2
100
0.1
80
4
SOD-523
80
100
1.2
100
0.1
80
4
SOT-23
75
200
1.25
150
2.5
75
4
SOT-23
250
200
1.1
100
0.15
250
50
SOT-23
100
200
1.25
150
0.005
75
3000
SOT-23
75
200
1.25
200
1
75
4
Total 55 < 1234 > proceed page OK

Nantong JUXIN Semiconductor Co., Ltd.

Contact: Mr.Jacky

Address: No.196, East Qingyu Road‌, Rucheng Street, Rugao-226500, Jiangsu Province, China.

Phone(Wechat): +86-15190885420

Email: info@rectifier-diode.com

 

Anhui JUXIN Semiconductor Co., Ltd.

Address: No.99,Shuanglong Road,Chizhou Economic Technology Development Zone,Anhui Province,China.


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