Precision Resistor Metal Film- Direct Electronics

Ultra Precision Resistors Index
EE Series - PPM 5~50, Moulding Ultra Precision Resistor
RJ Series - 5~100 PPM, Metal Film Precision
NE Series - Tolerance 5.00%~0.05%, High Precision Low ohmic Resistors
RE Series - Coating Precision Low TCR PPM 5~50, Tolerance 1.00%~0.02%
RN Series - MIL-PRF-55182 Moulding Precision PPM 25~100
UAR Series - Moulding High Precision Low TCR PPM 3~15
UPR Series - Radial Precision Network Low TCR PPM 2~25
RJM Series - Precision Coating MELF Type
UPSC Series - Tolerance 0.10%~0.01%, PPM 2~25, Precision Network
UPRND Series - Parellel Dip Precision Network PPM 2~50
UPRNS Series - Serial Dip Precision Network PPM 2~50

Token EE Series meets MIL-PRF-55182 and GJB244A-2001 quality standards.
Moulding Type
High precision
High stability
High reliability
Low temperature coefficient PPM.
Covers all general type resistors

Metal Film Precision

precision,metal,film,ppm

Technical Characteristics

Type		EE1/20	EE1/10	EE1/8	EE1/4	EE1/2
Rated Wattage (W)	70 °C	0.125	0.25	0.5	0.75	1.0
Rated Wattage (W)	125 °C	0.05	0.10	0.125	0.25	0.5
Max. Working Voltage (V)		200	200	250	300	350
Dimensions (mm)	L ± 0.3	4.30	6.80	10.2	14.5	18.4
	D ± 0.4	1.90	2.50	3.80	4.50	6.50
	A ± 0.05	0.40	0.60	0.60	0.60	0.80
Resistance Range (Ω)		20 ~ 200K	10 ~ 3M	10 ~ 5M	10 ~ 10M	10 ~ 15M
Working Temperature Range		-55°C ~ +175°C
Nominal Resistance Tolerance		B(±0.10%), C(±0.25%), D(±0.50%), F(±1.00%) between 5Ω to 3MΩ can be reached to A5(±0.05%) and A2(±0.02%)
Temperature Coefficient PPM Normal test range(+25°C ~ +85°C) Special require range(-10°C ~ +50°C)		C6(±10PPM/°C), C5(±15PPM/°C), C3(±25PPM/°C), C2(±50PPM/°C) between 5Ω to 3MΩ can be reached to C7(±5PPM/°C)


Remark	Please contact Token's Representatives if your requirement is not in above range.

Periodical Inspection Items and Methods

Type	Item	Method	Requirement
Long Period	Life time	GJB244A (MIL-PRF-55182) 4.8.18 Rated Wattage,125°C,2000h 10000h	GJB244A (MIL-PRF-55182) 3.24 ΔR≤±(0.5%R+0.01Ω) ΔR≤±(2%R+0.01Ω)
	Humidity	GJB244A (MIL-PRF-55182) 4.8.18 -10°C ~ +65°C, RH<90% Rated Wattage, Cycle 240h.	GJB244A (MIL-PRF-55182) 3.21 ΔR≤±(0.4%R+0.01Ω)
	High temp exposed	GJB244A 4.8.19 175°C 2000h	GJB244A (MIL-PRF-55182) 3.25 ΔR≤±(2.0%R+0.01Ω)
Short Period	Dielectric voltage	GJB244A (MIL-PRF-55182) 4.8.12/4.8.23/4.8.10	GJB244A (MIL-PRF-55182) 3.18/3.29/3.16 ΔR≤±(0.15%R+0.01Ω) no physical damage, arc, isolation break through
	Lead strength Impact High frequency vibration	GJB244A (MIL-PRF-55182) 4.8.11/4.8.16/4.8.17	GJB244A (MIL-PRF-55182) 3.17/3.22/3.23 ΔR≤±(0.20%R+0.01Ω) no physical damage
	Solderability	GJB244A (MIL-PRF-55182) 4.8.14	GJB244A (MIL-PRF-55182) 3.20 ΔR≤±(0.10%R+0.01Ω) no physical damage

Power - Temperature Curve

Moulding Ultra Precision Resistor

How to Order

EE1/8	0.5W		10R	B	C6	P

Product type	Rated Power (W)		Resistance Value (Ω)	Resistance Tolerance (%)	Temperature coefficient (PPM/°C)	Packaging
EE1/20 EE1/10 EE1/8 EE1/4 EE1/2	70°C	0.125 0.25 0.5 0.75 1.0	20 ~ 200K 10 ~ 3M 10 ~ 5M 10 ~ 10M 10 ~ 15M	B(±0.10) C(±0.25) D(±0.50) F(±1.00)	C6 ( ±10 ) C5 ( ±15 ) C3 ( ±25 ) C2 ( ±50 )	P (Bulk)
EE1/20 EE1/10 EE1/8 EE1/4 EE1/2	125°C	0.05 0.10 0.125 0.25 0.5	20 ~ 200K 10 ~ 3M 10 ~ 5M 10 ~ 10M 10 ~ 15M	B(±0.10) C(±0.25) D(±0.50) F(±1.00)	C6 ( ±10 ) C5 ( ±15 ) C3 ( ±25 ) C2 ( ±50 )	P (Bulk)

Direct Electronics Tech. Co., Ltd.
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