
provided for reference only. The capacitance CO is the static (nonmotional) capacitance between the two terminals mea-
sured at low frequency (10 MHz) with a capacitance meter. The measurement includes parasitic capacitance with “NC”
pads unconnected. Case parasitic capacitance is approximately 0.05 pF. Transducer parallel capacitance can be calcu-
lated as: CP ≈ CO - 0.05 pF.
9b)
This equivalent RLC model approximates RO TO39 resonator performance near the resonant frequency and is provided
for reference only. The capacitance CO is the static (nonmotional) capacitance between the two terminals measured at
low frequency (10 MHz) with a capacitance meter. The measurement includes parasitic capacitance with a floating case.
For usual grounded case applications (with ground connected to either pin 1 or pin 2 and to the case), add approximately
0.25 pF to CO.
9c)
This equivalent RLC model approximates RP TO39 resonator performance near the resonant frequency and is provided
for reference only. The capacitance CO is the measured static (nonmotional) capacitance between either pin 1 and
ground or pin 2 and ground. The measurement includes case parasitic capacitance.
10)
The typical FTC for TO-39 resonators is 0.037 ppm/°C2 and the typical FTC for SMRs is 0.032 ppm/°C2.
11)
The DC insulation resistance between any two pins is a minimum of 1 M
.
12)
The DC voltage between any two pins (observe ESD precautions) is ±30 VDC.
13)
The case temperature is rated between -40° to +85°C.
14)
Soldering temperature is +250°C.
15)
Maximum nominal insertion phase shift at resonance is 180° for the RP series.
Part
Number
(Cont).
RF Equivalent RLC Model
Packaging
Lid
Symbol
Application -
For Reference Only
Motional Res.
Rm (
)
Motional
Cap.
Cm (fF)
Motional
Ind.
Lm (H)
Shunt Static Cap.
CO (pF)
Case Style
Typ. Circuit
and Freq.
(MHz)
Nom. Radio
Freq. (MHz)
Typ.
Max
Typ.
Min.
Typ.
Max.
Notes
5, 6, 7, 9
RP1234
352
695
0.127215
2.31659
1.0
1.3
1.6
TO39
P1234
293.125 LO
303.825
RP1098
256
695
0.134251
1.99801
1.0
1.3
1.6
TO39
P1098
307.25 LO
318
RP1053
352
695
0.125
2100
1.0
1.3
1.6
TO39
334-A025
310.0TX
310.0
RP1239
84
167
0.336771
758.027
1.9
2.2
2.5
TO39
P1239
315.00 TX
315.00
RP1238
86
152
0.330391
462.150
2.1
2.4
2.7
TO39
P1238
407.30 LO
418.00
RP1237
93
152
0.303334
477.932
2.0
2.3
2.6
TO39
P1237
418.00TX
418.00
RP1237-1
93
152
0.305206
474.887
2.0
2.3
2.6
TO39
1237-1
418.00 TX
418.00
RP1298
82
152
0.297547
475.283
2.2
2.5
2.8
TO39
P1298
423.22 LO
433.92
RP1207-5
157
216
0.183245
734.159
1.4
1.7
2.0
TO39
1207-5
433.92 TX
433.92
RP1308
107
152
0.279470
481.378
1.4
1.7
2.0
TO39
P1308
433.92 TX
433.92
RP1102
198
463
0.106865
289.086
1.0
1.3
1.6
TO39
P1102
905.5 TX
905.5
RP1286
126
216
0.208528
147.985
1.6
1.9
2.2
TO39
P1286
905.80 LO
916.50
RP1261
157
217
0.171332
177.124
1.4
1.7
2.0
TO39
P1261
913.50 TX
913.50
RP1094
166
463
0.158119
191.3434
1.1
1.4
1.7
TO39
P1094
914.95 TX
915
RP1285
137
217
0.194528
155.005
1.7
2.0
2.3
TO39
P1285
916.50 TX
916.50
RP1103
259
463
0.118860
249.340
1.1
1.4
1.7
TO39
P1103
924.5 TX
924.5
RP Series
RP Two-Port 180° SAW Resonators
(All parameters measured in 50
system)
25