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DEM4514C Datasheet, PDF (1/1 Pages) TOKO, Inc – Inductance Range: 1.2~33H (DEM4514C), 1.2~22 H (DEM4518C) | |||
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Ferrite Inductors
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DEM4514C/DEM4518C
Inductance Range: 1.2~33ïH (DEM4514C), 1.2~22ïH (DEM4518C)
4.5
Ë
1.8
Recommended patterns
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DEM4514C
DEM4518C
FEATURES ç¹é·
(Unit: mm)
*DEM4514C: 1.4mm Max.
DEM4518C: 1.8mm Max.
3.3
5.3
(Unit: mm)
ï· Low profile (4.5ï´4.7mm square, 1.4 and 1.8mm Max.
height).
ï· Magnetically shielded construction and low DC resistance.
ï· Ideal for a variety of DC-DC converter inductor applications.
ï· RoHS compliant.
ï· å°åèå½¢æ§é (4.5ï´4.7mmè§, é«ã1.4ããã³1.8mm Max.)
ï· éç£è·¯æ§é 、ä½ç´æµæµæ
ï· å種æ©å¨ã®DC-DCã³ã³ãã¼ã¿ç¨ã¤ã³ãã¯ã¿ã«æé©
ï· RoHSæ令対å¿
TOKO STANDARD PART NUMBERS æ±å
æ¨æºåä¸è¦§
TYPE DEM4514C (Quantity/reel; 2,000 PCS)
æ±å
åçª
ã¤ã³ãã¯ã¿ã³ã¹(1)
許容差
TOKO
Part
Number
Inductance(1)
(ïH)
Tolerance
(%)
1234AS-H-1R2N
1.2
ï± 30
1234AS-H-1R8N
1.8
ï± 30
1234AS-H-2R4M
2.4
ï± 20
1234AS-H-3R3M
3.3
ï± 20
1234AS-H-4R7M
4.7
ï± 20
1234AS-H-6R8M
6.8
ï± 20
1234AS-H-100M
10
ï± 20
1234AS-H-120M
12
ï± 20
1234AS-H-150M
15
ï± 20
1234AS-H-220M
22
ï± 20
1234AS-H-330M
33
ï± 20
TYPE DEM4518C (Quantity/reel; 2,000 PCS)
æ±å
åçª
ã¤ã³ãã¯ã¿ã³ã¹(1)
許容差
TOKO
Part
Number
Inductance(1)
(ïH)
Tolerance
(%)
1235AS-H-1R2N
1.2
ï± 30
1235AS-H-1R8N
1.8
ï± 30
1235AS-H-2R4M
2.4
ï± 20
1235AS-H-3R3M
3.3
ï± 20
1235AS-H-4R3M
4.3
ï± 20
1235AS-H-6R8M
6.8
ï± 20
1235AS-H-100M
10
ï± 20
1235AS-H-150M
15
ï± 20
1235AS-H-220M
22
ï± 20
(1) Inductance is measured with a LCR meter 4284A (Agilent
Technologies) or equivalent.
Test frequency at 100kHz
(2) DC resistance is measured with 34420A (Agilent Technologies)
or 3541(HIOKI). (Reference ambient temperature 25°C)
(3) Maximum allowable DC current is that which causes a 30%
inductance reduction from the initial value, or coil temperature to
rise by 40°C, whichever is smaller. (Reference ambient
temperature 20°C)
ç´æµæµæ(2)
DC
Resistance(2)
(mï) Max. (Typ.)
60 (50)
72 (60)
84 (70)
96 (80)
120 (100)
156 (130)
192 (160)
228 (190)
276 (230)
444 (370)
648 (540)
ç´æµéç³è¨±å®¹é»æµ(3)
Inductance
Decrease Current(3)
(A) Max. (Typ.)
ïL
L
=30%
2.60 (3.45)
2.20 (2.95)
1.90 (2.55)
1.70 (2.25)
1.45 (1.90)
1.20 (1.55)
1.00 (1.35)
0.90 (1.20)
0.80 (1.05)
0.65 (0.89)
0.55 (0.75)
温度ä¸æ許容é»æµ(3)
Temperature
Rise Current(3)
ïT=40ï°C
(A) Max. (Typ.)
2.45 (2.85)
2.20 (2.60)
2.00 (2.35)
1.90 (2.25)
1.55 (1.85)
1.40 (1.65)
1.25 (1.50)
1.10 (1.30)
1.00 (1.20)
0.75 (0.89)
0.63 (0.75)
ç´æµæµæ(2)
DC
Resistance(2)
(mï) Max. (Typ.)
47 (39)
56 (47)
65 (54)
74 (62)
84 (70)
106 (88)
132 (110)
192 (160)
306 (255)
ç´æµéç³è¨±å®¹é»æµ(3)
Inductance
Decrease Current(3)
(A) Max. (Typ.)
ïL
L
=30%
3.50 (4.70)
3.00 (3.90)
2.60 (3.40)
2.30 (3.00)
2.00 (2.65)
1.70 (2.20)
1.30 (1.75)
0.98 (1.30)
0.91 (1.20)
温度ä¸æ許容é»æµ(3)
Temperature
Rise Current(3)
ïT=40ï°C
(A) Max. (Typ.)
2.90 (3.40)
2.70 (3.20)
2.30 (2.70)
2.10 (2.50)
2.00 (2.40)
1.90 (2.20)
1.70 (2.00)
1.10 (1.30)
1.00 (1.20)
(1) ã¤ã³ãã¯ã¿ã³ã¹ã¯LCRã¡ã¼ã¿4284Aï¼Agilent Technologiesï¼
ã¾ãã¯åçåã«ãã測å®ããã
測å®å¨æ³¢æ°ã¯100kHzã
(2) ç´æµæµæã¯æ¸¬å®å¨34420Aï¼Agilent Technologiesï¼ã¾ãã¯3541
ï¼HIOKIï¼ã¨åçåã«ãã測å®ãããï¼å¨å²æ¸©åº¦25°Cï¼
(3) æ大許容é»æµã¯ãç´æµéç³é»æµãæµããæã¤ã³ãã¯ã¿ã³ã¹ã®å¤ã
åæå¤ãã30ï¼
æ¸å°ããç´æµé»æµå¤ãã¾ãã¯ç´æµé»æµã«ããã
ã³ã¤ã«ã®æ¸©åº¦ã40°Cä¸æã®ä½ããå°ããå¤ãï¼å¨å²æ¸©åº¦20°Cã
åºæºã¨ãããï¼
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