BLF178XR NXP Semiconductors, BLF178XR Datasheet - Page 6

• Manufacturer Part Number: BLF178XR
• Description: A 1400 W extremely rugged LDMOS power transistor for broadcast and industrial applications in the HF to 128 MHz band
• Manufacturer: NXP Semiconductors

NXP Semiconductors
7. Package outline
Fig 3.
BLF178XR_BLF178XRS
Objective data sheet
Flanged balanced LDMOST ceramic package; 2 mounting holes; 4 leads
DIMENSIONS (millimetre dimensions are derived from the original inch dimensions)
Note
1. millimeter dimensions are derived from the original inch dimensions.
2. recommended screw pitch dimension of 1.52 inch (38.6 mm) based on M3 screw.
inches
UNIT
mm
VERSION
OUTLINE
SOT539A
Package outline SOT539A
H
0.185
0.165
4.7
4.2
A
U 2
A
11.81
11.56
0.465
0.455
A
L
b
0.007
0.004
0.18
0.10
c
31.55
30.94
1.242
1.218
IEC
D
31.52
30.96
1.241
1.219
D 1
3
1
13.72
0.540
e
All information provided in this document is subject to legal disclaimers.
JEDEC
0.374
0.366
9.50
9.30
E
U 1
H 1
D 1
D
q
e
REFERENCES
0.375
0.365
9.53
9.27
Rev. 1 — 30 January 2012
E 1
0.069
0.059
1.75
1.50
0
F
b
scale
17.12
16.10
0.674
0.634
EIAJ
2
4
H
5
25.53
25.27
1.005
0.995
10 mm
H 1
BLF178XR; BLF178XRS
0.137
0.117
3.48
2.97
w 2
w 3
5
L
M
M
C
0.130
0.120
3.30
3.05
C
p
F
p
M
B
0.089
0.079
2.26
2.01
Q
w 1
M
35.56
1.400
A
q
PROJECTION
EUROPEAN
M
41.28
41.02
1.625
1.615
B
U 1
Power LDMOS transistor
M
10.29
10.03
0.405
0.395
E 1
U 2
c
© NXP B.V. 2012. All rights reserved.
0.010 0.020
0.25
Q
w 1
ISSUE DATE
00-03-03
10-02-02
0.51
w 2
SOT539A
E
0.010
0.25
w 3
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