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RXE Selection Guide and Product Data
This section has two parts: * A Selection Guide that walks you through the process of selecting the correct RXE device for a circuit. * Product Data that outlines electrical characteristics, physical characteristics, agency recognitions, environmental specifications, component layouts, tape and reel specifications, and ordering information for RXE devices.
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RXE Selection Guide
Follow these seven steps to select a PolySwitch RXE device for a circuit: 1. Define the operating parameters for the circuit. These include: * Maximum ambient operating temperature * Normal operating current * Maximum operating voltage (RXE is 60 V maximum) * Maximum interrupt current 2. Select the RXE device that accommodates the circuit's maximum ambient operating temperature and normal operating current. 3. Compare the RXE device's maximum operating voltage and maximum interrupt current with the circuit's to be sure the circuit does not exceed the device ratings. 4. Check the RXE device's time-to-trip to be sure it will protect the circuit. 5. Verify that the circuit's ambient operating temperatures are within the RXE device's operating temperature range. 6. Verify that the RXE device's dimensions fit the application's space considerations. 7. Independently evaluate and test the suitability and performance of the RXE device in the application.
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1. Define the circuit's operating parameters.
Fill in the following information about the circuit: Maximum ambient operating temperature Normal operating current Maximum operating voltage (RXE is 60 V max.) Maximum interrupt current ________________ ________________ ________________ ________________
2. Select the PolySwitch RXE device that will accommodate the
circuit's maximum ambient operating temperature and mal operating current. norLook across the top of the table on the next page to find the temperature that most closely matches the circuit's maximum ambient operating temperature. Look down that column to find the value equal to or greater than the circuit's normal operating current. Now look to the far left of that row to find the part number for the RXE device that will best accommodate the circuit. The thermal derating curve located on the next page is a normalized representation of the data in the table located on the same page.
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RXE
IHold vs. temperature
Maximum ambient -40 -20 0.16 0.14 0.26 0.23 0.31 0.27 0.39 0.34 0.47 0.41 0.62 0.54 0.78 0.68 1.01 0.88 1.16 1.02 1.40 1.22 1.71 1.50 2.09 1.84 2.48 2.18 2.87 2.52 3.88 3.40 4.65 4.08 5.81 5.10 operating temperatures (C) 0 20 40 50 0.12 0.10 0.08 0.07 0.20 0.17 0.14 0.12 0.24 0.20 0.16 0.14 0.30 0.25 0.20 0.18 0.36 0.30 0.24 0.22 0.48 0.40 0.32 0.29 0.60 0.50 0.41 0.36 0.77 0.65 0.53 0.47 0.89 0.75 0.61 0.54 1.07 0.90 0.73 0.65 1.31 1.10 0.89 0.79 1.61 1.35 1.09 0.97 1.90 1.60 1.30 1.15 2.20 1.85 1.50 1.33 2.98 2.50 2.03 1.80 3.57 3.00 2.43 2.16 4.46 3.75 3.04 2.70
Radial Leaded
Part number RXE010 RXE017 RXE020 RXE025 RXE030 RXE040 RXE050 RXE065 RXE075 RXE090 RXE110 RXE135 RXE160 RXE185 RXE250 RXE300 RXE375
60 0.06 0.11 0.13 0.16 0.19 0.25 0.32 0.41 0.47 0.57 0.69 0.85 1.01 1.17 1.58 1.89 2.36
70 0.05 0.09 0.11 0.14 0.16 0.22 0.27 0.35 0.41 0.49 0.59 0.73 0.86 1.00 1.35 1.62 2.03
85 0.04 0.07 0.08 0.10 0.12 0.16 0.20 0.26 0.30 0.36 0.44 0.54 0.64 0.74 1.00 1.20 1.50
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Thermal derating curve
200
Percent of rated hold and trip current
150
100
50
0 -40
-20
0
20
40
60
80
Device's ambient temperature (C)
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3. Compare maximum operating voltages and maximum
interrupt currents. Look down the first column of the table below to find the part number you selected in Step 1. Look to the right in that row to find the device's maximum operating voltage (V max.) and maximum interrupt current (I max.). Compare both ratings with the circuit's to be sure the circuit's ratings do not exceed those of the RXE device.
Maximum device voltages and currents Part number
RXE010 RXE017 RXE020 RXE025 RXE030 RXE040 RXE050 RXE065 RXE075 RXE090 RXE110 RXE135 RXE160 RXE185 RXE250 RXE300 RXE375
V max. (volts)
60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60
I max.* (amps)
40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40
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* Devices may withstand higher interrupt current at lower voltages. Each application will need to be individually qualified.
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RXE 4. Determine time-to-trip.
Radial Leaded
Time-to-trip is the amount of time it takes for a device to switch to a high-resistance state once a fault current has been applied across the device. Identifying the RXE device's time-to-trip is important in order to provide the desired protection capabilities. If the device you choose trips too fast, undesired or nuisance tripping will occur. If the device trips too slowly, the components being protected may be damaged before the device switches to a high-resistance state. The chart below shows the typical time-to-trip at 20C for each PolySwitch RXE device. For example, the chart indicates that the typical time-to-trip for RXE050 at 5 A is 0.3 second. On the chart below, find the typical time-to-trip for the RXE device you selected. If the RXE device's time-to-trip is too fast or too slow for the circuit, go back to Step 2 and choose an alternate device.
Typical time-to-trip at 20C
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A= B= C= D= E= F= G= H= I= J= K= L= M= N= O= P= Q= RXE010 RXE017 RXE020 RXE025 RXE030 RXE040 RXE050 RXE065 RXE075 RXE090 RXE110 RXE135 RXE160 RXE185 RXE250 RXE300 RXE375
1000
A
B CDE F G H I J K L M N OPQ
100
10 Time-to-trip (s)
1
0.1
0.01
0.001 0.1
1 Fault current (A)
10
100
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5. Verify ambient operating conditions.
Ensure that your application's minimum and maximum ambient temperatures are within the operating temperature range of -40C and 85C. Maximum device surface temperature in the tripped state is 125C.
6. Verify the RXE device's dimensions.
Using dimensions from the table below, compare the dimensions of the RXE device you selected with the application's space considerations.
Product dimensions (millimeters/inches)
Part A B C D E F
number
RXE010 RXE017 RXE020 RXE025 RXE030 RXE040 RXE050 RXE065 RXE075 RXE090 RXE110 RXE135 RXE160 RXE185 RXE250 RXE300 RXE375
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max. 7.4 (0.29) 7.4 (0.29) 7.4 (0.29) 7.4 (0.29) 7.4 (0.29) 7.6 (0.30) 7.9 (0.31) 9.7 (0.38) 10.4 (0.41) 11.7 (0.46) 13.0 (0.51) 14.5 (0.57) 16.3 (0.64) 17.8 (0.70) 21.3 (0.84) 24.9 (0.98) 28.5 (1.12)
max. 12.7 (0.50) 12.7 (0.50) 12.2 (0.48) 12.7 (0.50) 13.0 (0.51) 13.5 (0.53) 13.7 (0.54) 14.5 (0.57) 15.2 (0.60) 15.8 (0.62) 18.0 (0.71) 19.6 (0.77) 21.3 (0.84) 22.9 (0.90) 26.4 (1.04) 30.0 (1.18) 33.5 (1.32)
typ. 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 10.2 (0.40) 10.2 (0.40) 10.2 (0.40)
min. 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30)
max. 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12) 3.1 (0.12)
1.1 1.6 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.4 1.4 1.4 1.4 1.4 1.4 1.4
typ. (0.04) (0.06) (0.04) (0.04) (0.04) (0.04) (0.04) (0.04) (0.04) (0.04) (0.06) (0.06) (0.06) (0.06) (0.06) (0.06) (0.06)
Lead size RXE010-RXE090
RXE010-RXE090* O 0.51 (0.020) 24 AWG O 0.81 (0.032) 20 AWG
A Marking B E
RXE110-RXE375**
A Marking B E
RXE110-RXE375
D * Straight leads are available. ** Kinked leads are available. C L C L
D
C CC LL
F C L C L
C CC LL
F
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RXE RXE Product Data
Now that you have selected your RXE device, please review the device's characteristics in this section to verify that the device will perform as required.
Radial Leaded
Electrical characteristics (20C)
Part Number RXE010 RXE017 RXE020 RXE025 RXE030 RXE040 RXE050 RXE065 RXE075 RXE090 RXE110 RXE135 RXE160 RXE185 RXE250 RXE300 RXE375
IH (A) 0.10 0.17 0.20 0.25 0.30 0.40 0.50 0.65 0.75 0.90 1.10 1.35 1.60 1.85 2.50 3.00 3.75
IT (A) 0.20 0.34 0.40 0.50 0.60 0.80 1.00 1.30 1.50 1.80 2.20 2.70 3.20 3.70 5.00 6.00 7.50
Max. time to trip (s) at 5 x IH 4.0 3.0 2.2 2.5 3.0 3.8 4.0 5.3 6.3 7.2 8.2 9.6 11.4 12.6 15.6 19.8 24.0
Pd (W) 0.38 0.48 0.41 0.45 0.49 0.56 0.77 0.88 0.92 0.99 1.50 1.70 1.90 2.10 2.50 2.80 3.20
Initial resistance R min. R max. () () 2.50 4.50 3.30 5.21 1.83 2.75 1.25 1.95 0.88 1.33 0.55 0.86 0.50 0.77 0.31 0.48 0.25 0.40 0.20 0.31 0.15 0.25 0.12 0.19 0.09 0.14 0.08 0.12 0.05 0.08 0.04 0.06 0.03 0.05
Post-trip resistance R1 max . () 7.50 8.00 4.40 3.00 2.10 1.29 1.17 0.72 0.60 0.47 0.38 0.30 0.22 0.19 0.13 0.10 0.08
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IH = Hold current--maximum current at which the device will not trip at 20C. IT = Trip current--minimum current at which the device will always trip at 20C. Pd = Typical power dissipation--typical amount of power dissipated by the device when in tripped state in 20C still air. R min. = Minimum device resistance at 20C prior to tripping. R max. = Maximum device resistance at 20C prior to tripping. R1 max. = Maximum device resistance at 20C measured 1 hour post trip.
Physical characteristics
Lead material
Soldering characteristics Insulating material
RXE010: Tin coated nickel-copper alloy, 24 AWG, 0.51 mm/0.020 in RXE017-040: Tin/lead-plated copper-clad steel, 24 AWG, 0.51 mm/0.020 in RXE050-090: Tin/lead-plated copper, 24 AWG, 0.51 mm/0.020 in RXE110-375: Tin-plated copper, 20 AWG, 0.81 mm/0.032 in Solderability per MIL-STD-202, Method 208E Solder heat withstand per MIL-STD-202, Method 210, Condition B Cured, flame-retardant epoxy polymer; meets UL 94V-O requirements
Note: Devices are not designed to be placed through a reflow process.
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Agency recognitions
UL CSA TUV
File # E74889 File # CA78165C Certificate # R9477354
Environmental specifications
Test Passive aging Humidity aging Thermal shock Solvent resistance
Test method Raychem PS300 Raychem PS300 Raychem PS300 Raychem PS300, Method 215
Conditions 70C, 1000 hours 85C, 1000 hours 85C, 85% R.H., 1000 hours 125C, -55C (10 times) MIL-STD-202, Method 215F
Resistance change 5% 5% 5% 5% No change
Component layouts
4
B
The dimensions in the table below provide the component layout for each RXE device.
Component layout dimensions (millimeters/inches)
A B Device RXE010 RXE017 RXE020 RXE025 RXE030 RXE040 RXE050 RXE065 RXE075 RXE090 RXE110 RXE135 RXE160 RXE185 RXE250 RXE300 RXE375 A nom. 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 5.1 (0.20) 10.2 (0.40) 10.2 (0.40) 10.2 (0.40) B max. 1.0 (0.04) 1.7 (0.07) 1.0 (0.04) 1.0 (0.04) 1.0 (0.04) 1.2 (0.05) 1.2 (0.05) 1.5 (0.06) 1.5 (0.06) 1.5 (0.06) 1.2 (0.05) 1.2 (0.05) 1.5 (0.06) 1.5 (0.06) 1.7 (0.07) 2.0 (0.08) 2.0 (0.08)
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Tape and reel specifications (dimensions in millimeters)
Radial Leaded
Product availability: RXE010-RXE185 Devices taped using EIA468-B/IEC286-2 standards. See table below and Figures 1 and 2 for details. Dimension description Carrier tape width Hold down tape width Top distance between tape edges Sprocket hole position Sprocket hole diameter* Abscissa to plane (straight lead) Abscissa to plane (kinked lead) Abscissa to top: RXE010-RXE090 Abscissa to top: RXE110-RXE185* Overall width w/lead protrusion: RXE10-RXE90 Overall width w/o lead protrusion: RXE135-RXE185* Lead protrusion Protrusion of cutout Protrusion beyond hold-down tape Sprocket hole pitch: RXE010-RXE090 Sprocket hole pitch* Pitch tolerance Device pitch: RXE010-RXE090 Device pitch: RXE110-RXE185 Tape thickness Tape thickness with splice Splice sprocket hole alignment Body lateral deviation Body tape plane deviation Ordinate to adjacent component lead* Lead spacing* Reel width: RXE090-RXE135* Reel width: RXE160-RXE185* Reel diameter Space between flanges less device* Arbor hole diameter Core diameter* Box Consecutive missing places Empty places per reel
* Differs from EIA specification.
EIA mark W W4 W6 W5 D0 H H0 H1 H1 C1 C2 L1 L l2 P0 P0
IEC mark W W0 W2 W1 D0 H H0 H1 H1
I1 L l2 P0 P0
t t1
h p P1 F w2 w2 a w1 c n
t
h p P1 F w w d
f h
Dimensions Dim. (mm) 18 11 3 9 4 18.5 16 32.2 37.6 43.2 46.6 1.0 11 Not specified 12.7 25.5 20 consec. 12.7 25.4 0.9 2.0 0 0 0 3.81 5.08 56 63.5 370 4.75 26 91 56/372/372 None 0.1% max.
Tol. (mm) -0.5/+1.0 min. max. -0.5/+0.75 -0.32/+0.2 3.0 0.5 max. max. max. max. max. max. 0.3 0.5 1
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max. max. 0.3 1.0 1.3 1.0 0.8 max. max. max. -3.25/+9.25 12.0 max. max.
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h
Radial Leaded
Figure 1: EIA Referenced Taped Component Dimensions
h p p
Reference plane
H1 L
P1 F
A B
H1 C1 H C2 H0 W4 W5 W
I2 L1 P0 D0
Direction of unreeling Cross section A - B t
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Figure 2: Reel Dimensions
Reel
n
a
Direction of unreeling
Upper side
Tape
Lower side
c
w1 w2
Cross section Optional shape: Circular or polygonal
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Ordering information
Product description
RXE010 RXE010-2 RXE010-AP RXE017 RXE017-2 RXE017-AP RXE020 RXE020-2 RXE020-AP RXE025 RXE025-2 RXE025-AP RXE030 RXE030-2 RXE030-AP RXE040 RXE040-2 RXE040-AP RXE050 RXE050-2 RXE050-AP RXE065 RXE065-2 RXE065-AP RXE075 RXE075-2 RXE075-AP RXE090 RXE090-2 RXE090-AP RXE0110 RXE110-2 RXE110-AP RXE135 RXE135-2 RXE135-AP RXE160 RXE160-2 RXE160-AP RXE185 RXE185-2 RXE185-AP RXE250 RXE300 RXE375
* Consult factory
Radial Leaded
Bag quantity
500
Tape and reel quantity
3000
AMMO pack
Standard package
10000 15000 10000 10000 12500 7500 10000 15000 10000 10000 15000 10000 10000 15000 10000 10000 15000 10000 10000 15000 10000 10000 15000 10000 10000 15000 10000 10000 15000 10000 10000 7500 5000 10000 7500 5000 10000 7500 5000 10000 7500 5000 10000 10000 10000
RXE Devices
2000 500 2500 1500 500 3000 2000 500 3000 2000 500 3000 2000 500 3000 2000 500 3000 2000 500 3000 2000 500 3000 2000 500 3000 2000 500 1500 1000 500 1500 1000 500 1500 1000 500 1500 500 500 500 * * * 1000 * * *
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Part numbering system
RXE
suffix Blank -2 - AP -1 K S = Bulk packaged = Tape and reel = AMMO pack = 25.4-mm (1.0 inch) minimum lead length = Kinked leads = Straight leads
Current rating
Part marking system
V 60 X185 NK8C
V
X
4
Example
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V
60
Part description Voltage rating RXE010 RXE017 Raychem symbol RXE020 RXE025 RXE030 Part ID RXE040 RXE050 RXE065 Product family (RXE) RXE075 RXE090 Lot number/Date code RXE110 (may be on the back) RXE135 RXE160 RXE185 RXE250 RXE300 RXE375
Part ID 010 017 020 025 030 040 050 065 075 090 110 135 160 185 250 300 375
V
WARNING:
* Operation beyond maximum ratings or improper use may result in device damage and possible electrical arcing and flame. * These devices are intended for protection against occasional overcurrent or overtemperature fault conditions, and should not be used when repeated fault conditions are anticipated.
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