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CP Series
Data Sheet July 1999 File Number 2188.5
Tubular Metal-Oxide Varistors [ /Title (CP Series) /Subject (Tubular MetalOxide Varistors) /Autho r () /Keywords (Littelfuse, Inc., Suppression Products, TVS, Transient Suppression, Protection, Highreliability, High Reliability, Mil, Hi-rel,
The CP Series of transient voltage surge suppressors are metal-oxide varistors (MOVs) of tubular construction. These varistors are intended for mounting within a multipin connector assembly. This series is available in a wide range of voltage ratings from 6V to 150V VM(AC)RMS. Their internal dimensions allow them to be used with 16, 20, or 22 gauge connector pins. The unique coaxial mounting arrangement of these tubular varistors allow them to become part of a transmission line itself. Added inductive lead effects are eliminated. Varistor action takes place between the inside and outside diameters of the tube. Typically, data or signal lines make electrical connection to the inside of the tube. The outside tube surface is then connected to ground or common. The CP Series is supplied in Bulk Pack.
Features
* Unique Coaxial Design and Mounting Arrangement in Tubular Form * Designed to be Integrated Within Standard Connector Assemblies * Wide Operating Voltage Range VM(AC)RMS . . . . 6V to 150V * Can be Used with 16, 20, or 22 Gauge Standard Connector Pins * No Derating up to 125oC Ambient
Packaging
CP SERIES
OBSOLETE PART
4-82
1-800-999-9445 or 1-847-824-1188 | Copyright
(c) Littelfuse, Inc. 1999
CP Series
Absolute Maximum Ratings
For ratings of individual members of a series, see Device Ratings and Specifications chart CP SERIES Continuous: Steady State Applied Voltage: AC Voltage Range (VM(AC)RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC Voltage Range (VM(DC)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transient: Peak Pulse Current (ITM) For 8/20s Current Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single Pulse Energy Range For 10/1000s Current Wave (WTM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Ambient Temperature Range (TA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature Range (TSTG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Temperature Coefficient (V) of Clamping Voltage (VC) at Specified Test Current . . . . . . . . . . . . . . . . . . UNITS
6 to 150 8 to 150
V V
250 to 500 1.5 to 5 -55 to 125 -55 to 150 <0.01
A J
oC oC
%/oC
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Device Ratings and Specifications
MODEL NUMBER V8CP22 V14CP22 V31CP22 V38CP22 V130CP22 V150CP22 V31CP20 V38CP20 V130CP20 V150CP20 V38CP16 V130CP16 V150CP16
OBSOLETE PART
CONTINUOUS TRANSIENT VRMS VDC ENERGY (10/1000s) WTM (J) PEAK CURRENT (8/20s) ITM (A) VARISTOR VOLTAGE AT 1mA DC TEST CURRENT MIN (V) VN(DC) (V) MAX (V) MAX. CLAMPING VOLTAGE VC AT TEST CURRENT (8/20s) VC IP PART SIZE 22B VM(AC) (V) VM(DC) (V) (V) (A) 10 6.0 8.0 1.5 250 12.5 16.0 19.5 34.0 22B 22B 22B 10.0 25.0 30.0 14.0 31.0 38.0 1.5 1.5 1.5 250 250 250 18.5 35.0 42.0 22.0 39.0 47.0 25.5 48.0 58.0 42.0 85.0 10 5 100.0 5 22A 22A 130.0 150.0 25.0 30.0 130.0 150.0 30.0 130.0 150.0 130.0 150.0 31.0 38.0 130.0 150.0 38.0 130.0 150.0 2.4 2.4 300 300 184.0 212.0 35.0 42.0 184.0 212.0 42.0 184.0 212.0 200.0 240.0 39.0 47.0 200.0 240.0 47.0 200.0 240.0 228.0 268.0 48.0 58.0 228.0 268.0 58.0 228.0 268.0 375.0 430.0 85.0 100.0 375.0 430.0 100.0 375.0 430.0 5 5 20B 20B 20A 20A 16A 16A 16A 2.0 2.0 3.0 3.0 3.0 5.0 5.0 300 300 400 400 350 500 500 10 10 10 10 20 20 20
MAXIMUM RATINGS (125oC)
SPECIFICATIONS (25oC)
CAPACITANCE AT f = 1MHz MAX (pF) 2950 2950 1950 1950 350 300 2200 1950 400 350 2750 700 650
MIN
(pF)
1600
1600 450
450
150 100 700 650
150 100 1000 250 200
NOTE: Average power dissipation of transients not to exceed 250mW, 300mW and 350mW for sizes 22AWG, 20AWG and 16AWG, respectively.
4-83
CP Series
Device Leakage Current
LEAKAGE CURRENT AT VT(DC) 25oC MODEL NUMBER V8CP22 V14CP22 V31CP22 V38CP22 V130CP22 V150CP22 V31CP20 V38CP20 V130CP20 V150CP20 V38CP16 V130CP16 V150CP16 IL TYP PART SIZE 22B 22B 22B 22B 22A 22A 20B 20B (A) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 IL MAX (A) 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 IL TYP (A) 5.0 5.0 5.0 5.0 25.0 25.0 5.0 5.0 125oC IL MAX (A) 50 50 50 50 100 100 50 50 VT(DC) (V) 8 14 28 36 130 150 28 36 130 150 36 130 150
Power Dissipation Ratings
Should transients occur in rapid succession, the average power dissipation required is simply the energy (wattseconds) per pulse times the number of pulses per second. The power so developed must be within the specifications shown on the Device Ratings and Specifications table for the specific device. Furthermore, the operating values need to be derated at high temperatures as shown in Figure 1. Because varistors can only dissipate a relatively small amount of average power they are, therefore, not suitable for repetitive applications that involve substantial amounts of average power dissipation.
PERCENT OF RATED VALUE
OBSOLETE PART
20A 20A 0.5 0.5 5.0 5.0 25.0 25.0 5.0 100 100 50 16A 0.5 5.0 16A 16A 0.5 0.5 5.0 5.0 25.0 25.0 100 100
1.
100 90 80 70 60 50 40 30 20 10
0 -55
50
60
70
80
90
100
110
120
130
140 150
AMBIENT TEMPERATURE (oC)
FIGURE 1. CURRENT, ENERGY AND POWER DERATING CURVE
PERCENT OF PEAK VALUE 100 90
50
O1 = Virtual Origin of Wave T = Time From 10% to 90% of Peak T1 = Virtual Front time = 1.25 * t T2 = Virtual Time to Half Value (Impulse Duration) Example: For an 8/20s Current Waveform: 8s = T1 = Virtual Front Time 20s = T2 = Virtual Time to Half Value
10 O1 T T1 T2 TIME
FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM
4-84
CP Series Transient V-I Characteristics Curves
300 200 MAXIMUM PEAK VOLTS (V) MAXIMUM CLAMPING VOLTAGE MODEL SIZE 16 GAUGE 38VM(DC) RATING TA = -55oC TO 125oC 3,000 2,000 MAXIMUM PEAK VOLTS (V) MAXIMUM CLAMPING VOLTAGE MODEL SIZE 16 GAUGE 130 TO 150VM(AC) RATING TA = -55oC TO 125oC
100 90 80 70 60 50 40 30 20 10-3
V38CP16
1,000 900 800 700 600 500 400 300 V130CP16 200 10-3 V150CP16
10-2
FIGURE 3. CLAMPING VOLTAGE FOR V38CP16
300 200 MAXIMUM PEAK VOLTS (V)
100 90 80 70 60 50 40 30
MAXIMUM PEAK VOLTS (V)
MAXIMUM CLAMPING VOLTAGE MODEL SIZE 20 GAUGE 31 TO 38VM(DC) RATING TA = -55oC TO 125oC
V38CP20 V31CP20
OBSOLETE PART
3,000 2,000 MAXIMUM CLAMPING VOLTAGE MODEL SIZE 20 GAUGE 130 TO 150VM(AC) RATING TA = -55oC TO 125oC 1,000 900 800 700 600 500 400 300 V150CP20 V130CP20 10-2 10-1 100 101 PEAK AMPERES (A) 102 103 200 10-3 10-1 100 101 PEAK AMPERES (A) 102 3,000 2,000 MAXIMUM PEAK VOLTS (V) MAXIMUM CLAMPING VOLTAGE MODEL SIZE 22 GAUGE 130 TO 150VM(AC) RATING TA = -55oC TO 125oC 1,000 900 800 700 600 500 400 300 V130CP22 200 10-3 V150CP22
10-1 100 101 PEAK AMPERES (A)
102
103
10-2
10-1 100 101 PEAK AMPERES (A)
102
103
FIGURE 4. CLAMPING VOLTAGE FOR V130CP16 - V150CP16
20 10-3
10-2
103
FIGURE 5. CLAMPING VOLTAGE FOR V31CP20 - C38CP20
FIGURE 6. CLAMPING VOLTAGE FOR V130CP20 - V150CP20
300 200 MAXIMUM PEAK VOLTS (V) MAXIMUM CLAMPING VOLTAGE MODEL SIZE 22 GAUGE 31 TO 38VM(DC) RATING TA = -55oC TO 125oC
100 90 80 70 60 50 40 30 20 10-3
V38CP22 V31CP22
10-2
10-1 100 101 PEAK AMPERES (A)
102
103
10-2
10-1 100 101 PEAK AMPERES (A)
102
103
FIGURE 7. CLAMPING VOLTAGE FOR V31CP22 - V38CP22
FIGURE 8. CLAMPING VOLTAGE FOR V130CP22 - V150CP22
4-85
CP Series Transient V-I Characteristics Curves
100
(Continued)
100
V14CP22 MAXIMUM PEAK VOLTS (V) MAXIMUM PEAK VOLTS (V) V8CP22
10
10
MAXIMUM CLAMPING VOLTAGE MODEL SIZE 22 GAUGE 14VM(DC) RATING TA = -55oC TO 125oC 1 10-3 10-2 10-1 100 101 PEAK AMPERES (A) 102 103
MAXIMUM CLAMPING VOLTAGE MODEL SIZE 22 GAUGE 8VM(DC) RATING TA = -55oC TO 125oC 1 10-3 10-2 10-1 100 101 PEAK AMPERES (A) 102 103
FIGURE 9. CLAMPING VOLTAGE FOR V14CP22
FIGURE 10. CLAMPING VOLTAGE FOR V8CP22
Pulse Rating Curves
500 1 200 SURGE CURRENT (A) 100 50 103 20 10 5 2 1 0.5 20 2 102 10
INDEFINITE
OBSOLETE PART
MODEL SIZE 16 GAUGE V38CP16 1,000 500 200 100 50 20 10 5 2 1 1 2 105 6 10 SURGE CURRENT (A) 104 10 102 103 4 10 5 10 6 10 INDEFINITE 0.5 0.2 0.1 100 1,000 IMPULSE DURATION (s) 10,000 20 100 1,000 IMPULSE DURATION (s) 2 MODEL SIZE 20 GAUGE V31CP20 - V38CP20 10 SURGE CURRENT (A) 104 5 10 6 10 1,000 500 200 100 50 20 10 5 2 1 0.5 0.2 100 1,000 IMPULSE DURATION (s) 10,000 0.1 20 100 1,000 IMPULSE DURATION (s) INDEFINITE 1 2 10 102 3 10 4 10 5 10 6 10
MODEL SIZE 16 GAUGE V130CP16 - V150CP16
10,000
FIGURE 11. SURGE CURRENT RATING CURVES FOR V38CP16
FIGURE 12. SURGE CURRENT RATING CURVES FOR V130CP16 - V150CP16
500 1 200 100 SURGE CURRENT (A) 50 20 10 5 2 1 0.5 20 INDEFINITE 102 103
MODEL SIZE 20 GAUGE V130CP20 - V150CP20
10,000
FIGURE 13. SURGE CURRENT RATING CURVES FOR V31CP20 - V38CP20
FIGURE 14. SURGE CURRENT RATING CURVES FOR V130CP20 - V150CP20
4-86
CP Series Pulse Rating Curves
500 1 200 100 SURGE CURRENT (A) 103 104 5 10 6 10 SURGE CURRENT (A) 50 102 20 10 5 2 1 0.5 0.2 20 INDEFINITE 2 10 MODEL SIZE 22 GAUGE V8CP22 - V38CP22
(Continued)
1,000 500 1 200 100 50 20 10 5 2 1 0.5 0.2 INDEFINITE 2 10 102 3 10 4 10 5 10 6 10
MODEL SIZE 22 GAUGE V130CP22 - V150CP22
FIGURE 15. SURGE CURRENT RATING CURVES FOR V8CP22 - V38CP22
NOTE: If pulse ratings are exceeded, a shift of VN(DC) (at specified current) of more than 10% could result. This type of shift, which normally results in a decrease of VN(DC), may result in the device not meeting the original published specifications, but it does not prevent the device from continuing to function, and to provide ample protection.
Mechanical Dimensions
OBSOLETE PART
EXTERNAL ELECTRODE INTERNAL ELECTRODE PASSIVATION
100
1,000 IMPULSE DURATION (s)
10,000
0.1 20 100 1,000 IMPULSE DURATION (s) 10,000
FIGURE 16. SURGE CURRENT RATING CURVES FOR V130CP22 - V150CP22
PART SIZE 22A
INTERNAL DIAMETER (D1) MIN MAX
EXTERNAL DIAMETER (D2) MIN MAX
PASSIVATION DIAMETER (D3) MIN MAX 1.98 (0.078) 1.98 (0.078) 2.54 (0.100) 2.54 (0.100) 3.56 (0.144)
D2
D3
0.86 (0.034)
1.02 (0.040)
1.73 (0.068)
1.88 (0.074)
1.83 (0.072)
22B
0.86 (0.034)
1.25 (0.049)
1.73 (0.068)
1.88 (0.074)
1.83 (0.072)
D1 0.200 MIN (0.008)
(0.200) 4.89 MIN 11.0 (0.433) MAX 10.0 (0.394) MIN 0.200 MIN (0.008)
20A 20B 16A
1.09 (0.043) 1.09 (0.043) 2.27 (0.090)
1.25 (0.049) 1.83 (0.072) 2.41 (0.095)
2.08 (0.082) 2.08 (0.082) 3.40 (0.134)
2.39 (0.094) 2.39 (0.094) 3.56 (0.140)
2.18 (0.086) 2.18 (0.086) 3.50 (0.138)
NOTE: Dimensions in millimeters and (inches)
Ordering Information
The CP Series is supplied in bulk pack. Note that this series receives no branding on the device itself.
V XXX CP XX
VARISTOR PIN GAUGE SIZE
MAXIMUM DC WORKING VOLTAGE (One, Two or Three Digits)
SERIES DESIGNATOR
4-87

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