MS520RFA Datasheet, PDF (1/2 Pages) Coilcraft lnc. – High Reliability Wideband Transformers

WIDEBAND TRANSFORMERS
High Reliability Wideband Transformers
■ Small wideband transformer: 7.2 × 6.43 × 4.45 mm high
■ 300 V interwinding isolation, 1/4 Watt RF input power
■ 250 mA max current rating
■ Tin-lead terminations for the best possible board adhesion
Core material Ferrite
Terminations  tin-lead over tin over nickel over phos bronze.
Ambient temperature  –55°C to +125°C
Storage temperature  Component: –55°C to +125°C.
Tape and reel packaging: –55°C to +80°C
Resistance to soldering heat  Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C /
85% relative humidity)
Enhanced crush-resistant packaging  750/7″reel
Plastic tape:  12 mm wide, 0.3 mm thick, 8 mm pocket spacing,
2.9 mm pocket depth
Impedance Insertion   ^{  P  ins 1– 3 (primary)      Pins 6– 4 (secondary)
 } ratio¹
Bandwidth loss max
  _{L min}2   _{DCR max}3
  _{L min}2   _{DCR max}3
Part number
Schematic pri : sec
(MHz)
(dB)
(µH) (mOhm)
(µH) (mOhm)
MS520RFA01A1SZ
A
MS520RFA01B1SZ
B
MS520RFA02B1SZ
B
MS520RFA03B1SZ
B
MS520RFA04B1SZ
B
1 : 1
0.045 – 365
0.25
1  : 1 0.045 – 365
0.25
1  : 2 0.045 – 495
0.25
1  : 3 0.075 – 425
0.35
1  : 4 0.120 – 440
0.60
60
130
60
130
60
130
40
120
25
90
60
130
60
130
140
180
140
180
100
160
MS520RFA08B1SZ
B
MS520RFA09B1SZ
B
MS520RFA16B1SZ
B
1  : 8 0.105 – 300
0.60
1  : 9 0.075 – 200
0.30
1  : 16 0.105 – 135
0.60
25
90
40
120
25
90
200
180
500
250
500
250
1. Impedance ratio is for the full primary winding to the full secondary winding.
2. Inductance measured at 100 kHz, 0.1 V, 0 Adc on an Voltech AT3600 or
equivalent.
3. DCR measured on a Voltech AT3600 or equivalent.
4. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Schematics
A
1
Pri
3
B
1
Pri
6
Sec
4
6
5 Sec
3
4
1
6
Pri 2
5 Sec
3
4
© Coilcraft, Inc. 2012
®
Specifications subject to change without notice.
Please check our website for latest information. Document MS099-1  Revised 06/23/11
1102 Silver Lake Road
Cary IL 60013
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