Model 
8903B 
Replaceable 
Parts 
Table 
63. 
Replaceable 
Parts 
Reference 
Designation 
A4 
WRl 
8 
WR17 
A4CR18 
A4CR19 
WR20 
A4cR21 
WR22 
WFa3 
WFU4 
MCW5 
A4CR26 
A4cR27 
A4CR28 
A4CB 
A4CR30 
A4cR31 
A4CRJ2 
A4CFt33 
A4CR34 
A4K1 
A4L1 
A4L2 
A413 
A414 
A4L5 
A4MP1 
A4MP2 
A4MP3 
A401 
* 
Ma? 
A4a3 
A404 
Ma5 
A4Q6 
A407 
Ma3 
A4Q9 
Malo 
Ma1 
2 
A401 1 
A4R1 
A4FQ 
A4w 
A4m 
MR5 
A4R6 
HPPart 
Qty. 
Number 
D 
Description 
Mfr- 
Mfr. 
Part 
Number 
Code 
08903-60283 
- 
SERIAL 
PREFIX 
2816A AND 
ABOVE 
(HP8903B) 
19014050 
3 
DIODESWTTCHINQ 
8OV 
MOW 
2NS 
0035 
19010880  7  DIODEGEN PRP 125MA 
DO35 
19014880 
7 
DIODE-QEN PRP 125MA 
0035 
19010B80  7  DDDEOEN PRP 125MA 
Do35 
19010880 
7  DIODEGEN PRP 125MA 
DO35 
19010880  7  DIODEQEN PRP 125MA 
DO35 
1901.0880 
7  DIODEQEN  PRP 125MA 
0035 
19010880 
7  DIODEQEN  PRP 125MA 
DO35 
19014880 
7 
DKX)EQEN 
PRP 
125MA 
D(235 
1901-oO40 
1  DIODE-SWITCHINQ 
30V 
50MA 2NS 
DO35 
19014880 
7  DIODEGEN PRP 125MA 
Do35 
19010050  3  DIODE-SWITCHINQ 8OV 
20OMA 
2NS 
DO35 
1901-0050 
3 
DIODE-SWITCHINQ 8OV  200MA 2NS 
DO35 
19014880 
7  DIODEQEN  PRP 125MA 
DO35 
19014880 
7  DIODEGW PRP 125MA 
Do35 
19014680 
7  DIODEQEN 
PRP 
125MA 
DO35 
19014880 
7  DIODEGEN PRP 125MA 
Do35 
19010050  3  DIODE-SWITCHINQ 
8OV 
2OOMA2NS 
DO45 
19014880 
7  DIODEGEN PRP 125MA 
DO35 
28480  19014050 
28480 
19014880 
28480  19014880 
28480  19010880 
28480  19014680 
28480  19010880 
28480  19010880 
28480  19014680 
28480  19010880 
28480  19014040 
28480  19014880 
28480  19010050 
28480  19014050 
28480  19010880 
28480  19010880 
28480  19014880 
28480  19010880 
28480 
19014050 
28480  19014880 
0490-1423  2  1  REIAY-REED 1C 250MA 28VDC 5VDCCOIL 3VA  28480  0490-1423 
91404210 
1  10  INDUCTOR 
RF-CH-MLD 
1OOUH 5% .166DX.385LQ 
91404210 
1  INDUCTOR 
FiFCH-MLD 
lOOUH 5% .166DX.385LQ 
91000539 
3 
3 
lNDLJCTOR(MISClEM) 
91000539  3 
INDUCTOR 
@tlSC 
mM) 
91004539 
3 
INDUCTOR 
(MISC 
ITEM) 
40404748  3  MTRPC 
BD 
BLK 
POLYC .0628D-MNS 
40404752  9  1 
MTRPC 
BD 
YEL POLYC 
.0628DTW<Ns 
14804116 
8 
PINGRV 
.0624NDIA 
251KLQ 
STL 
04034026  6 
PLUOHOLE BDRHD FOR .187D-HoLE 
NYL 
0890380069  3  2 
TRANSISTORDUAL 
NPN TO-71 PD 
- 
50OMW 
12054202 
1 
2  lHERMALUbKDUALT(I18CS 
1654-0753  2 
TRANSISTORDUAL NPN TO71 PD-50OMW 
12050202  1 
THERMAL 
LINK 
DUAL TOl8CS 
18550420 
2  36 
TRANSISTOR 
JIET 
2N4391 WHAN D-MODE 
18544830  6  1 
TRANSISTORDUAL NPN PD-500MW 
18550420  2 
TRANSISTOR 
JSET 
2N4391 WHAN 
MODE 
18550420  2 
iRANslSTOR 
J-FET 
2N4391 WHAN D-MODE 
16550420  2  TRANSISTOR 
J-FET 
2N4391 
WHAN 
DMODE 
18550420  2 
TRANSISTOR 
JSET 
2N4391 WHAN D-MODE 
18550420  2  TRANSISTOR 
JSET 
2N4391 WHAN 
D-MODE 
18544071  7  1 
TRANSISTOR NPNSI PD-300W 
FT-200MHZ 
18530281 
9 
4  TRANSISTOR PNP 2N2907A 
SI 
TO18 PD-400W 
18530281  9 
TRANSISTOR PNP 2N2907A 
SI 
TO-18 PD -4OOMW 
14804116 
8 
PIKGRV 
.OB~-INDIA 
.~~IKLQ 
sn 
28460  91404210 
28480  91404210 
28480  91004539 
28480  91ooo539 
28480  91000539 
28480  40404748 
28480  14804116 
28480  40404752 
28480  14800116 
02768  207-1 20241034101 
28480 
0890380069 
28480  12054202 
28480  18544753 
28480  12054202 
01295  2N4391 
27014  LM394 
01295  2N4391 
01295  2W91 
01295  2N4391 
01295  2N4391 
01295  2N4391 
28480  18544071 
04713  2N2907A 
04713  2N2907A 
07570279 
0 
RESISTOR 3.1 
6K 
1%.125W F TC 
- 
0 
+ 
-100  24546  C4-ll8-TO3161-F 
07574441 
8 
RESlSTOR8.25K lab .125W  FTC-0+-100 
0698-6343 
5  7 
RESlSTOR9K.l%.l25WFTC-0+-25 
0698-6362 
8 
7 
RESISTOR 
1K .l% .125Wf TC-0+-25 
0757-0441 
8 
RESlSTOR8.25K1%.125WFTC-0+-100 
0757.0422 
5  4  RESISTOR909 1% .125W FTC-0+-100 
tRefer to Section 
7 
for update information. 
rev. 
2OJUN91 
'Factory  Selected Component (Refer to Section 
5). 
24546  C4-118-TO4251-F 
28480 
06986343 
28480  0698-6362 
24546  C4-118-TO4251-F 
24546  C4-118-TO-909RF 
A 
Errata part  change. 
6-45