uClamp1211P
PROTECTION PRODUCTS
Typical Characteristics
Non-Repetitive Peak Pulse Power vs. Pulse Time
10
1
0.1
110
100
90
80
70
60
50
40
30
20
10
Power Derating Curve
0.01
0.1
1
10
100
1000
0
0
25
50 75 100
Ambient Temperature - T A ( o C)
125
150
Pulse Duration - t p (μs)
30
Clamping Voltage vs. Peak Pulse Current
Normalized Junction Capacitance vs. Reverse Voltage
1.1
1
f = 1 MHz
25
20
15
10
Waveform
0.9
0.8
0.7
0.6
0.5
0.4
0.3
5
Parameters:
tr = 8μs
0.2
0
td = 20μs
0.1
0
0
1
2
3 4 5
Peak Pulse Current - I PP (A)
6
7
8
0
1
2 3
Reverse Voltage - V R (V)
4
5
Insertion Loss (S21)
ESD Clamping
CH1 S21
LOG
6 dB / REF 0 dB
(8kV Contact per IEC 61000-4-2)
1: -3.0028 dB
334MHz
0 dB
-6 dB
4
2: -11.453 dB
900 MHz
3: -17.015 dB
1.8 GHz
-12 dB
-18 dB
1
3
4: -10.370 dB
2.5 GHz
2
-24 dB
-30 dB
-36 dB
-42 dB
-48 dB
1
MHz
START . 030 MHz
? 2007 Semtech Corp.
10
MHz
100
MHz
1 3
GHz GHz
STOP 3 000. 000000 MHz
3
Note: Data is taken with a 10x attenuator
www.semtech.com
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