RCD Series BC resistors are designed for precision high-
megohm requirements where space is at a premium.
Operating temperature range is -55°C to +175°C. Type
BC632 features the smallest body size. Type BC630
features an increased voltage rating, wider resistance range,
and the lowest cost. BC633 features two resistors within
single package. Units are epoxy encapsulated for superior
environmental protection.
OPTIONS
Option P: increased pulse capability
Option H: increased voltage rating
Option G: gullwing SM lead forming (avail. on 24mm T&R)
Option EQ: 24 hour burn in (or ER -100 hour burn in)
Numerous additional options available including custom
marking, matched sets, military screening, etc.
SPECIFICATIONS
RCD
Type
B C 630
B C 632
B C 633
Wattage
.75W
.75W
Max.
Dielectric
Voltage* Strength**
500V
400V
400V
400V
400V
Resistance
Range***
300K to 1000M
300K to 100M
300K to 100M
A ±.015 [.38] B ±.015 [.38] C ±.01 [.25] D ±.002 [.05] E ±.015 [.38]
.310 [7.87]
.290 [7.37]
.290 [7.37]
.330 [8.38]
.290 [7.37]
.290 [7.37]
.118 [3.0]
.095 [2.41]
.095 [2.41]
.024 [.6]
.024 [.6]
.024 [.6]
.150 [3.81]
.200 [5.08]
.100 [5.08]
.25W
400V
per resis. per resis.
* Maximum working voltage is determined by E = PR, E should not exceed value listed. ** Increased dielectric strength available *** Lower and higher values available on custom basis, consult factory.
TYPICAL PERFORMANCE CHARACTERISTICS
Overload (1.5x rated voltage, 5 sec)
Load Life (1000 hours)
Dielectric Strength
Resistance to Solder Heat
Moisture Resistance
Insulation Resistance (dry)
Operating Temperature Range
Shelf Life at 25°C
Temperature
Coefficient
Voltage Coefficient
(tightened VC levels
available)
300K -100M
Ω
>100M
Ω
300K - 1M
Ω
1M
Ω
- 100M
Ω
100M - 500M
Ω
500M - 1G
Ω
±0.5%
∆R
±0.5%
∆R
400V A C
±0.1%
∆R
±0.5%
∆R
10,000 Megohms Min.
-55°C to 175°C
±0.2%
∆
R (1 Yr.)
100ppm/°C std (25, 50,
80ppm avail)
350ppm/°C std
(100,200ppm avail)
-20ppm/ V Typ.
-30ppm/ V Typ.
-50ppm/ V Typ.
-80ppm/ V Typ.
BC630 & BC632
(single resistor)
|
←
BC633
(dual resistor)
|
←
A
→
|
→
|
C
|
←
A
→
|
→
|
C
|
←
↑
B
↑
B
↑
.75
[19]
Min.
↓
←
E
→
→
←
↑
D
.75
[19]
Min.
E
E
E
↓
→
←
D
↓
↓
OPT. G GULLWING DESIGN
.075
BC630G
.075
.15
.15
BC632G
.075
.15
BC633G
←
←
→
.100
→
.200
.07 .08
.07 .13
.07 .03
P/N DESIGNATION:
RCD Type
BC630
- 1005 - F B 101 W
Options:
P, H, G, ER, EQ (leave blank if std)
DERATING
% OF RATED POWER
100
75
50
25
Resis.Code 0.1%-1%:
3 signif. figures & multiplier,
(e.g. 3003=300KΩ, 1004=1MΩ, 1006=100MΩ)
Resis.Code 2%-5%:
2 signif. figures & multiplier,
(e.g. 304=300KΩ, 105=1MΩ, 107=100MΩ).
When BC633 is comprised of 2 values, separate with /, e.g. 905/105
Tol. Code:
J=5%, G=2%, F=1%, D=0.5%, C=0.25%, B=0.1%
Packaging:
B = Bulk, T = Tape & Reel
Temp. Coefficient:
25 = 25ppm, 50 = 50ppm, 80 = 80ppm,
101 = 100ppm, 201=200ppm, 351=350ppm
Termination:
W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable,
in which case RCD will select based on lowest price and quickest delivery
0
25
50
75
100
125
AMBIENT TEMPERATURE (°C)
150
175
RCD Components Inc.,
520 E. Industrial Park Dr., Manchester, NH, USA 03109
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