4© 2013 Semtech Corporation
www.semtech.com
PRELIMINARY
PROTECTION PRODUCTS
RClamp1255P
Typical Characteristics
Non-Repetitive Peak Pulse Power vs. Pulse Time
Clamping Voltage vs. Peak Pulse Current
VBus Pin (Pin 1)
Clamping Voltage vs. Peak Pulse Current
D+, D-. ID Pins (Pins 2, 3, 4)
Non-Repetitive Peak Pulse Power vs. Pulse Time
D+, D-. ID Pins (Pins 2, 3, 4)
Forward Voltage vs. Peak Pulse Current
VBus Pin (Pin 1)
Capacitance vs. Reverse Voltage
D+, D-. ID Pins (Pins 2, 3, 4)
VBus Pin (Pin 1)
0.1
1
10
100
0.1 1 10 100 1000
Pulse Duration - tp (µs)
Peak Pulse Power - P
PP
(kW)
T
A
= 25
O
C
0
2
4
6
8
10
12
14
16
18
20
0 20406080100120
Peak Pulse Current - I
pp
(A)
Clamping Voltage - V
C
(V)
Waveform
Parameters:
tr = 8µs
td = 20µs
0
1
2
3
4
5
6
7
8
9
10
00.511.522.533.5
Peak Pulse Current - I
pp
(A)
Clamping Voltage - V
C
(V)
Waveform
Parameters:
tr = 8µs
td = 20µs
0
0.5
1
1.5
2
2.5
3
3.5
0 20406080100120
Peak Pulse Current - I
pp
(A)
Forward Clamping Voltage - V
C
(V)
Waveform
Parameters:
tr = 8µs
td = 20µs
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
012345
Reverse Voltage - V
R
(V)
Capacitance - C
j
(pF)
f = 1MHz
1
10
100
1000
0.1 1 10 100 1000
Pulse Duration - tp (µs)
Peak Pulse Power - P
PP
(W)
DR040412-40
T
A
= 25
O
C
5
© 2013 Semtech Corporation
www.semtech.com
PRELIMINARY
PROTECTION PRODUCTS
RClamp1255P
Typical Characteristics
ESD Clamping (+8kV Contact per IEC 61000-4-2)
D+, D-. ID Pins (Pins 2, 3, 4)
ESD Clamping (-8kV Contact per IEC 61000-4-2)
D+, D-. ID Pins (Pins 2, 3, 4)
ESD Clamping (+8kV Contact per IEC 61000-4-2)
VBus Pin (Pin 1)
ESD Clamping +30kV Contact per IEC 61000-4-2)
VBus Pin (Pin 1)
ESD Clamping (-8kV Contact per IEC 61000-4-2)
VBus Pin (Pin 1)
ESD Clamping -30kV Contact per IEC 61000-4-2)
VBus Pin (Pin 1)
0
5
10
15
20
25
30
35
40
-10 0 10 20 30 40 50 60 70 80
Time (ns)
Clamping Voltage (V)
Measuredwith50Ohmscopeinput
impedance,2GHzbandwidth.Correctedfor
50Ohm,20dBattenuator.ESDgunreturn
pathconnectedtoESDgroundplane
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
-10 0 10 20 30 40 50 60 70 80
Time (ns)
Clamping Voltage (V)
Measuredwith50Ohmscopeinput
impedance,2GHzbandwidth.Correctedfor
50Ohm,20dBattenuator.ESDgunreturn
pathconnectedtoESDgroundplane
-10
0
10
20
30
40
50
60
-10 0 10 20 30 40 50 60 70 80
Time (ns)
Clamping Voltage (V)
Measuredwith50Ohmscopeinput
impedance,2GHzbandwidth.Correctedfor
50Ohm,20dBattenuator.ESDgunreturn
pathconnectedtoESDgroundplane
-70
-60
-50
-40
-30
-20
-10
0
10
-10 0 10 20 30 40 50 60 70 80
Time (ns)
Clamping Voltage (V)
Measuredwith50Ohmscopeinput
impedance,2GHzbandwidth.Correctedfor
50Ohm,20dBattenuator.ESDgunreturn
pathconnectedtoESDgroundplane
-50
0
50
100
150
200
-10 0 10 20 30 40 50 60 70 80
Time (ns)
Clamping Voltage (V)
Measuredwith50Ohmscopeinputimpedance,2GHz
bandwidth.Correctedfor50Ohm,40dBattenuator.
ESDgunreturnpathconnected toESDgroundplane
AR_2G+8kV
-200
-150
-100
-50
0
50
-10 0 10 20 30 40 50 60 70 80
Time (ns)
Voltage (V)
Measuredwith50Ohmscopeinputimpedance,2GHz
bandwidth.Correctedfor50Ohm,40dBattenuator.
ESDgunreturnpathconnectedtoESDgroundplane
AR_2G8kV
6© 2013 Semtech Corporation
www.semtech.com
PRELIMINARY
PROTECTION PRODUCTS
RClamp1255P
Typical Characteristics
TLP Characteristic (Positive Pulse)
D+, D-. ID Pins (Pins 2, 3, 4)
TLP Characteristic (Negative Pulse)
D+, D-. ID Pins (Pins 2, 3, 4)
Non-Repetitive Peak Pulse Power Derating Curve
Typical Insertion Loss S21
D+, D-. ID Pins (Pins 2, 3, 4)
Analog Crosstakk
D+, D-. ID Pins (Pins 2, 3, 4)
0
20
40
60
80
100
120
0 25 50 75 100 125 150
Ambient Temperature - T
A
(
O
C)
% of Rated Power or I
PP
DR040512:25:125:150
0
5
10
15
20
25
0 5 10 15 20 25 30
TLP Voltage (V)
TLP Current (A)
Transmission Line Pulse Test (TLP)
Settings:
t
p
= 100ns, t
r
= 0.2ns,
I
TLP
and V
TLP
averaging window:
t
1
= 70ns to t
2
= 90ns
-25
-20
-15
-10
-5
0
-30 -25 -20 -15 -10 -5 0
TLP Voltage (V)
TLP Current (A)
Transmission Line Pulse Test (TLP)
Settings:
t
p
= 100ns, t
r
= 0.2ns,
I
TLP
and V
TLP
averaging window:
t
1
= 70ns to t
2
= 90ns
1 2
3
4
5
START
.
030 MHz
3
STOP 000
.
000 000 MHz
CH1 S21 LOG 6 dB / REF 0 dB
1: - .05230 dB
800 MHz
2: - .05140 dB
900 MHz
3: - .01000 dB
1.8 GHz
4: - .09570 dB
2.5 GHz
5: - .01300 dB
2.7 GHz
0 dB
-6 dB
-12 dB
-18 dB
-24 dB
-30 dB
-36 dB
1
GHz
100
MHz
3
GHz
10
MHz
1
MHz
-42 dB
-48 dB
START
.
030 MHz
3
STOP 000
.
000 000 MHz
CH1 S21 LOG 20dB / REF 0 dB
0 dB
-20 dB
-40 dB
-60 dB
-80 dB
-100 dB
-120 dB
-140 dB
-160 dB

SRV08-4.TCT

Mfr. #:
Manufacturer:
Semtech
Description:
TVS DIODE 5V 17.5V SOT23-6
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet