Contents
p. 2

Applic.
pp. 4-8

Selection
pp. 9-11

Products
pp. 12-87

1409 Series

GenRadproducts
pp. 50-87

標準キャパシタ

Index
p. 89

Standard
Capacitance
常用参照標準及び実用標準

Reference or Working Standard

p. 1 of 2

Highlystable cost-effective capacitance standards with
低温度係数、低損失の非常に安定したコストパフォーマ
lowtemperature
coefficient, low losses and a wide range of
ンスの良い標準キャパシタンスで、幅広い範囲のキャパvalues.
シタンス値が揃っています。
0.001μF01000μF
0.001
μF to 1000 μF±安定度±0.01%/年
0.01%/year stability
測定器の検証と機器の校正
Verifymeter and instrumentation calibration
Two-to-five terminal configuration, depending
２～５端子（モデルによる）の構成
on modelModel 1409 Standard Capacitance

SPECIFICATIONS
仕 様Calibration
校正確度: Accuracy: 100 ppm for 1 nF; 0.01% for 1 μF and under;
0.04% for 100 μF and under; and 0.4% for 1000 μF;

大きさ:Dimensions:-F/L/T:

10.2 cm H x 8.3 cm W x 5.1 cm D
(4.0" x 3.3" x 2.0")-Y:
14.3 cm H x 8.3 cm W x 6.9 cm D
(5.6" x 3.2" x 2.7")-10 μF/100 μF: 86 cm H x 10.5 cm W x 12.7 cm D
(3.4" x 4.15" x 5.0")At test frequency of 1 kHz for up to 5 μF; 100 Hz for over 5 μF.
2-terminal and 3-terminal measurements are provided.
Stability: <0.01% per year.
安定度:
Temperature Coefficient:
温度係数:20 ppm/°C for 1 μF and under;-50 ppm/°C for capacitance to 190 μF;-150 ppm/°C for 1000 μF.

稼働温度:Operating Temperature: 10°C to 50°C.

-1000 μF:

8.6 cm H x 30.5 cm W x 8.9 cm D
(3.4" x 12" x 3.5")

Weight:
重さ:-F/L/T:~ 0.6 kg (1.25 lb.)-Y:
~ 1.1 kg (2.25 lb.)
-10 μF/100 μF: ~ 0.4 kg (0.8 lb.)
-1000 μF: ~ 2 kg (4.5 lb.)

Dissipation
Factor: 0.01 μF - 1 μF; 0.0003 at 1 kHz;
損失ファクター:
10 μF; 0.0005; 100 μF; 0.001;
1000 μF; 0.002 at 100 Hz and 120 Hz; 0.02 at 1 kHz.

Modelモデル

SeriesInductance: Typically < 0.06 μH, 0.01 μF - 1 μF.
直列インダクタンス:

Value値

Adjust調整
ment
確度Accuracy

損失ファクター
Factor（典型値）

Maximum
最大電圧**
Voltage**（V）(V)

Dissipation

SeriesResistance at 1 MHz: 0.02 Ω, 0.01 μF - 0.1 μF; 0.03 Ω, 1 μF.
直列抵抗値:−FrequencyCharacteristics: Varies as √ ƒf above 100 kHz. See figure 1.
周波数特性:

1409-F

1 nF±0.02%

0.0003

500

Leakage
Resistance: 5,000 ohm-Farads or 100 GΩ, whichever is less.
漏洩抵抗値:

1409-L

10 nF±0.02%

0.0003500

MaxVoltage: 右表を参照して下さい。
See table.
最大電圧:1409-T

100 nF±0.02%

0.0003500

テスト条件:
Test Conditions: (100 Hz, 120 Hz and 1 kHz at 23°C; < 1 μF; 5 - terminal
measurement for values 1 μF, 1 MHz or other available.

1409-Y

1 μF±0.02%0.0003

500

1409-10 μF

10 μF±0.04%0.0005

44 Vrms+

1409-100 μF

100 μF±0.05%0.001

22 Vrms+

1409-1000 μF

1000 μF±0.4%0.001

22 Vrms+

1409-X

Custom***Capacitor Type: Hermeticallysealed silvered mica for 100 pF to 1 μF; herキャパシタの種類:
密封シルバーマイカ（100pFキ1μF）
metically sealed polystyrene
for 10 μF; hermetically sealed polycarbonate
密封ポリスチレン（10μF）
for >10 μF.
密封ポリカーボネイト（>10μF）
Terminals:
Three binding posts, for values up to 1 μF;
端子:
３ボンディングポスト（1μFまで）
five binding posts, for values over 1 μF.
５ボンディングポスト（1μF以上）(typical)+ Maximum allowable Vrms; subject to maximum Vdc = 50 V andmax Vrms = (39000/f ) for C = 10 μF; (26000/f ) for C = 19 μF; (13000/f )for C ≥ 100 μF; (9500/f ) for C ≥ 1000 μF, where ƒ = frequency (in Hz).
* Depends on Custom value** Peak up to 10 kHz.

IET LABS, INC. in the GenRad Tradition
534 Main Street, Westbury, NY 11590
58

IET cat/1409 p1/07-19-05

www.ietlabs.com
TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988

Contentsp. 2Applic.
pp. 4-8

Selectionpp. 9-11

1409 Series

Products
pp. 12-87

GenRadproducts
pp. 50-87

標準キャパシタIndexp. 89

StandardCapacitance
常用参照標準及び実用標準

Reference or Working Standardp. 2 of 2

図１
Figure 11409キャパシタの周波数変化に伴うキャパシタンスの変
Change in capacitance as a function of frequency for typical1409 Capacitors. The 1-kHz value on the plot should be used
化（典型値）
as a basis of reference in estimating frequency errors.
周波数エラーの推定は1kHzでの値を基準にします。

Figure
図２ 2Dissipation
factor as a function of frequency.
損失ファクターの周波数特性

ORDERING
INFORMATION
オーダー情報1409-9706

1409-F,0.001 μF

1409-9730

1409,

10 μF

1409,

100 μF

1409-9712

1409-L,0.01 μF

1409-9735

1409-9720

1409-T,

0.1 μF

1409-9740

1409,

1000 μF

1409-9725

1409-Y,

1.0 μF

1409-9740

1409,

Custom ValueIET LABS, INC. in the GenRad Tradition
534 Main Street, Westbury, NY 11590

www.ietlabs.com
TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988
59