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MIL DASH #
TOLERANCE
SERIES1025R, 1026R10251026
Molded Unshielded RF Coils
SRF MINIMUM (MHz)
DASH NUMBER*
INDUCTANCE (µH)
Q MINIMUM
TEST FREQUENCY (MHz)
DC RESISTANCE
MAXIMUM (OHMS)
CURRENT RATING
MAXIMUM (mA)
Military Specifications (1025 Series Only)MS75083 (LT4K); MS75084 (LT10K); MS75085 (LT10K)
Physical Parameters Inches MillimetersLength 0.250 ± 0.010 6.35 ± 0.25Diameter 0.095 ± 0.010 2.41 ± 0.25Lead SizeAWG #24 TCW 0.020 ± 0.0015 0.508 ± 0.038
Lead Length 1.5 ± 0.12 38.1 ± 3.05
Current Rating at 90°C AmbientLT4K 35°C RiseLT10K 15°C Rise
Operating Temperature RangeLT4K –55°C to +125°CLT10K –55°C to +105°C
Maximum Power Dissipation at 90°CPhenolic: LT4K 0.21 W Iron: LT10K 0.09 W Ferrite: LT10K 0.073 W
Weight Max. (Grams) 0.3
• For in-between values see Series 1782 (page 41)
Note (1026 Series only) Self Resonant Frequency (SRF)values are calculated and for reference only.
Marking DELEVAN; inductance with units and tolerance;date code (YYWWL). Note: An R before the date codeindicates a RoHS component.
Example: 1025R-16K
Front: Reverse: DELEVAN 2.2uH±10% 2.2uH±10% R 0850B
RF Inductors
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
Optional Tolerances: J = 5% H = 3% G = 2% F = 1%
*Complete part # must include series # PLUS the dash #
For surface finish information, refer to www.delevanfinishes.com
MIL I TARY
AP P R O V E D
MS75083– SERIES 1025 PHENOLIC CORE (LT4K) -94K -96K -00K -02K -04K -06K -08K -10K -12K -14K -16K -18K -20K
MS75084– SERIES 1025 IRON CORE (LT10K) -22K -24K -26K -28K -30K -32K -34K -36K -38K -40K -42K -44K -46K -48K -50K -52K -54K
MS75085– SERIES 1025 FERRITE CORE (LT10K) -56K -58K -60K -62K -64K -66K -68K -70K -72K -74K -76K -78K -80K -82K -84K -86K -88K -90K -92K
SERIES 1026 PHENOLIC CORE (LT4K) -00M -02K -04K -06K -08K -10K -12K -14K
13801300123011201040975830710660550500420390
620560480415355285263239195185160144160157149144140
130125110100928884666157524745403635302928
38002200200019001800170015001400
0.08 0.09 0.10 0.12 0.14 0.16 0.22 0.30 0.35 0.50 0.60 0.85 1.00
0.18 0.22 0.30 0.40 0.55 0.85 1.00 1.20 1.80 2.00 2.70 3.30 2.70 2.80 3.10 3.30 3.50
3.40 3.60 4.50 5.70 6.70 7.30 8.00 13.00 15.00 17.00 21.00 25.00 28.00 35.00 42.00 46.00 60.00 65.00 72.00
0.010 0.030 0.035 0.040 0.045 0.050 0.060 0.070
680.0 640.0 600.0 550.0 510.0 430.0 410.0 365.0 330.0 300.0 275.0 250.0 230.0
150.0 140.0 125.0 115.0 100.0 90.0 80.0 75.0 65.0 60.0 55.0 50.0 40.0 35.0 30.0 25.0 20.0
24.0 22.0 20.0 18.0 15.0 14.0 13.0 12.0 11.0 10.0 9.0 8.0 7.0 6.5 6.0 5.0 4.2 3.8 3.4
900.0 875.0 850.0 825.0 800.0 775.0 750.0 725.0
25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 2.5 2.5 2.5 2.5 2.5
2.5 2.5 2.5 2.5 2.5 2.5 2.5 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79
50.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
40403835333330303030282825
2528303037454545505055554545505050
45454545505050303030303030303030303030
5040404040404040
12345678910111213
1234567891011121314151617
12345678910111213141516171819
±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%
±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%
±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%±10%
±20%±10%±10%±10%±10%±10%±10%±10%
0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 1.0
1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 27.0
33.0 39.0 47.0 56.0 68.0 82.0 100.0 120.0 150.0 180.0 220.0 270.0 330.0 390.0 470.0 560.0 680.0 820.0 1000.0
0.022 0.027 0.033 0.039 0.047 0.056 0.068 0.082
Packaging Tape & reel: 12" reel, 3500 pieces max.; 14" reel,6000 pieces max.
Made in the U.S.A.
1/2009
API_newlayouts_single:APIcatalog_newlayouts 8/24/10 11:31 AM Page 38
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