Document 311 -1
RFID Transponder Coils – 5315TC
The 5315TC is Coilcraft’s most rugged and lowest cost
antenna coil designed for RFID applications at 125 kHz.
The wrap-around terminals have large mounting sur-
faces to ensure excellent board adhesion. The coil is
wound on a plastic base, providing great durability and
allowing this part to withstand harsh mechanical shock.
Their robust construction and 125°C rating make these
parts suitable for use in the most severe environments.
They were developed for automotive applications, in-
cluding tire pressure monitoring systems.
In addition to the standard models shown, Coilcraft can
design transponder coils to operate at other frequencies.
Coilcraft
Designer’s Kit C369
contains four samples
each of the standard parts shown. To order, contact
Coilcraft or visit
http://order.coilcraft.com.
Part number
1
5315TC-374XGL_
5315TC-404XGL_
5315TC-704XGL_
5315TC-904XGL_
5315TC-105XGL_
5315TC-115XGL_
5315TC-205XGL_
5315TC-245XGL_
5315TC-335XGL_
5315TC-415XGL_
5315TC-495XGL_
5315TC-685XGL_
5315TC-715XGL_
5315TC-725XGL_
Inductance
2
at 125 kHz
±2% (mH)
0.37
0.40
0.70
0.90
1.00
1.08
1.97
2.38
3.30
4.15
4.90
6.80
7.10
7.20
Q min
2
8
8
12
12
12
13
14
12
14
15
15
13
14
17
Read
distance
3
(inches/cm)
16 / 40.6
17 / 43.2
21 / 53.3
21 / 53.3
23 / 58.4
23 / 58.4
25 / 63.5
26 / 66.0
27 / 68.6
29 / 73.7
28 / 71.1
30 / 76.2
30 / 76.2
30 / 76.2
Sensitivity
4
(mV/µT)
8.32
8.67
11.43
13.35
14.07
14.65
21.28
23.97
29.70
34.95
40.00
53.87
55.41
56.74
Matching
capacitor
5
(pF)
4380
4050
2320
1800
1600
1500
820
680
490
390
330
240
220
220
DCR max
6
(Ohms)
24
25
33
38
40
40
70
80
95
103
150
180
176
165
SRF typ
7
(kHz)
7100
7300
4500
3800
2500
2300
2300
2400
1800
1260
1550
1350
890
880
1. When ordering, please specify
packaging
code:
5315TC-715XGLD
Packaging: D
= 13″ machine-ready reel. EIA-481 embossed plastic
tape (3000 parts per full reel).
B
= Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge), use
code letter D instead.
2. Inductance and Q measured using Agilent/HP 4192A impedance
analyzer at 125 kHz. For recommended test procedures, contact
Coilcraft.
3. Read distance measured using the KEELOQ
®
Transponder Evaluation
Kit part number DM303005 from Microchip. Distance was recorded as
the voltage across the resonant circuit dropped below 10 mV.
4. Sensitivity measured in accordance with Coilcraft application note
“Measuring Sensitivity of Transponder Coils.”
5. Matching capacitor value required for parallel resonant circuit operating
at 125 kHz.
6. DCR measured on micro-ohmmeter.
7. SRF measured using Agilent/HP 8753D network analyzer.
8.
Ambient temperature range:
–40°C to +125°C
9.
Storage temperature range:
Component: –40°C to +125°C
Packaging: –40°C to +80°C
10.
Resistance to soldering heat:
Three reflows at >217°C for 90 seconds
(+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room
temperature between.
11. Electrical specifications at 25°C.
12. Temperature coefficient of inductance: +300 to +1100 ppm/°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Specifications subject to change without notice.
Please check our website for latest information.
Document 311-1
Revised 02/19/09
© Coilcraft, Inc. 2009
Document 311-2
RFID Transponder Coils – 5315TC
Typical L vs Frequency
14
12
Dimensions
0.536
13,61
0.15
3,81
Inductance (mH)
10
8
-725
XXX
0.10 ±0.002
2,54 ±0,05
-415
6
4
2
0
10
100
1000
10000
0.089
max
2,26
0.10
2,54
0.33
8,38
-115
-404
Unless specified, tolerance is ±0.010 (±0,25).
0.56
14,22
Frequency (kHz)
0.16
4,06
0.12
3,05
0.32
8,13
Recommended
Land Pattern
Terminations
Gold over nickel over phos bronze
Weight
260 – 300 mg
Packaging
3000/13″ reel; Plastic tape: 24 mm wide, 0.3 mm thick,
8 mm pocket spacing, 2.74 mm pocket depth
Specifications subject to change without notice.
Please check our website for latest information.
Document 311-2
Revised 02/19/09
© Coilcraft, Inc. 2009
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