RL-2444 [RENCO]
NATIONAL SEMICONDUCTOR SIMPLE SWITCHER APPLICATIONS;
| 型号： | RL-2444 |
| 厂家： | 
RENCO ELECTRONICS, INC. |
| 描述： | NATIONAL SEMICONDUCTOR SIMPLE SWITCHER APPLICATIONS |
| 文件： | 总3页 (文件大小：1167K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NATIONAL SEMICONDUCTOR
SIMPLE SWITCHER APPLICATIONS
DESCRIPTION
FEATURES & APPLICATIONS
•ꢀꢀ HighꢀCurrentꢀChokes
•ꢀ Usesꢀhighꢀsaturationꢀfluxꢀdensityꢀmaterialꢀidealꢀforꢀuseꢀ
ꢀ
ꢀ
inꢀswitchingꢀregulatedꢀpowerꢀsuppliesꢀandꢀsmall-sizedꢀ ꢀ
currentꢀchokes
ꢀ
ENVIRONMENTAL DATA
•ꢀꢀ Storageꢀtemperatureꢀrange:ꢀꢀ
•ꢀ Inductanceꢀrangesꢀfromꢀ47µHꢀtoꢀ2200ꢀµHꢀwithꢀDCꢀsaturationꢀ
currentsꢀupꢀtoꢀ20ꢀA
ꢀ
-55°Cꢀtoꢀ+130°C
•ꢀꢀ Operatingꢀtemperatureꢀrange:ꢀ
-40°Cꢀtoꢀ+130°C
ꢀ
ꢀ
PACKAGING INFORMATION
•ꢀ ContactꢀCustomerꢀSupportꢀ800.645.5828
Verify operation with sample in actual circuit. Order samples at www.rencousa.com.
FRONT VIEW
SIDE VIEW
SCHEMATIC
D
F
ST
G
E
A
C
H
CLEARANCE
HOLE FOR
4/40 SCREW
FN
B
RENCO ELECTRONICS INC.
595 International Place, Rockledge, FL 32955-4200 USA • www.rencousa.com • ISO 9001 Certified
Toll Free Engineering Hot Line: 800.645.5828 • P: 321.637.1000 • F: 321.637.1600
NATIONAL SEMICONDUCTOR SIMPLE SWITCHER APPLICATIONS
MECHANICAL DIMENSIONS
U.S. Standard (mm)
PART NUMBER
RL-1954
RL-1956
RL-1957
RL-1958
RL-1959
RL-1960
RL-1961
RL-1962
RL-1963
RL-1964
RL-1965
RL-2442
RL-2443
RL-2444
RL-2445
RL-2446
RL-2447
RL-2448
A (MAX.)
B (MAX.)
C (REF.)
D (MIN.)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
0.5 (12.7)
PART WEIGHT
27.0g (0.95oz)
23.9g (0.84oz)
43.8g (1.54oz)
21.2g (0.74oz)
24.6g (0.87oz)
28.6g (1.00oz)
46.8g (1.65oz)
44.1g (1.56oz)
42.5g (1.50oz)
110.1g (3.90oz)
111.2g (3.92oz)
22.1.0g (0.78oz)
25.4g (0.90oz)
24.4g (0.86oz)
26.5g (0.93oz)
43.4g (1.53oz)
47.5g (1.65oz)
contact factory
0.825 (20.96)
0.825 (20.96)
1.100 (27.94)
0.825 (20.96)
0.825 (20.96)
0.825 (20.96)
1.100 (27.94)
1.100 (27.94)
1.100 (27.94)
1.600 (40.64)
1.600 (40.64)
0.825 (20.96)
0.825 (20.96)
0.825 (20.96)
0.825 (20.96)
1.100 (27.94)
1.100 (27.94)
0.825 (20.96)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
1.100 (27.94)
1.100 (27.94)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.850 (21.59)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.290 (7.37)
0.290 (7.37)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
0.195 (4.95)
U.S. Standard (mm)
PART NUMBER
RL-1954
RL-1956
RL-1957
RL-1958
RL-1959
RL-1960
RL-1961
RL-1962
RL-1963
RL-1964
RL-1965
RL-2442
RL-2443
RL-2444
RL-2445
RL-2446
RL-2447
RL-2448
E
F
G
H
0.593 (15.06)
0.656 (16.66)
0.750 (19.05)
0.590 (14.97)
0.590 (14.97)
0.590 (14.97)
0.750 (19.05)
0.812 (20.62)
0.781 (19.84)
1.125 (28.59)
1.140 (28.97)
0.625 (15.88)
0.656 (16.66)
0.593 (15.06)
0.593 (15.06)
0.781 (19.84)
0.812 (20.62)
0.590 (14.97)
0.032 (0.813)
0.036 (0.914)
0.052 (1.320)
0.016 (0.406)
0.018 (0.457)
0.023 (0.584)
0.032 (0.813)
0.036 (0.914)
0.042 (1.830)
0.058 (1.470)
0.065 (1.650)
0.042 (1.830)
0.036 (0.914)
0.032 (0.813)
0.032 (0.813)
0.042 (1.830)
0.036 (0.914)
0.016 (0.406)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.015 (0.38)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
0.05 (1.27)
RENCO ELECTRONICS INC.
595 International Place, Rockledge, FL 32955-4200 USA • www.rencousa.com • ISO 9001 Certified
Toll Free Engineering Hot Line: 800.645.5828 • P: 321.637.1000 • F: 321.637.1600
NATIONAL SEMICONDUCTOR SIMPLE SWITCHER APPLICATIONS
Inductance
(µH)
DCR Max.
(Ohms)
Isat
(A)
PART NUMBER
Irms
(A)
RL-1954
RL-1956
RL-1957
RL-1958
RL-1959
RL-1960
RL-1961
RL-1962
RL-1963
RL-1964
RL-1965
RL-2442
RL-2443
RL-2444
RL-2445
RL-2446
RL-2447
RL-2448
150.0
68.0
0.098
0.053
0.024
1.260
0.818
0.430
0.187
0.122
0.080
0.040
0.025
0.035
0.053
0.080
0.098
0.080
0.122
1.540
8.6
12.7
18.1
2.4
4.0
4.8
9.0
0.8
1.0
1.6
4.0
4.5
5.5
11.4
14.4
5.5
4.8
4.0
4.0
5.5
4.5
0.8
47.0
1500.0
1000.0
680.0
470.0
330.0
220.0
150.0
100.0
47.0
3.1
3.7
6.0
7.1
8.7
16.4
20.0
15.0
12.7
10.4
8.6
68.0
100.0
150.0
220.0
330.0
2200.0
8.7
7.1
2.0
NOTES:
1. ELECTRICAL SPECIFICATIONS
MEASURED AT 25ºC
2. Isat - DC CURRENT THAT WILL CAUSE INDUCTANCE TO DROP BY 5%
3. Irms - CURRENT THAT CAUSES THE TEMPERATURE TO RISE APPROX. 40ºC
ABOVE AMBIENT OF 25ºC
4. INDUCTANCE TESTED AT 10 kHz, 0.1 Vrms
RENCO ELECTRONICS INC.
595 International Place, Rockledge, FL 32955-4200 USA • www.rencousa.com • ISO 9001 Certified
Toll Free Engineering Hot Line: 800.645.5828 • P: 321.637.1000 • F: 321.637.1600
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